75000 - Document - Document and Entity Information
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75010 - Statement - Consolidated Balance Sheets
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75020 - Statement - Consolidated Balance Sheets (Parenthetical)
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75030 - Statement - Consolidated Statements of Operations
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75040 - Statement - Consolidated Statements of Comprehensive Income
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75050 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical)
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75060 - Statement - Consolidated Statements of Equity
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75070 - Statement - Consolidated Statements of Cash Flows
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75080 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance
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995457 - Disclosure - Nature of Business and Summary of Significant Accounting Policies
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995467 - Disclosure - Earnings Per Share
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995477 - Disclosure - Property and Equipment
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995487 - Disclosure - Leases
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995497 - Disclosure - Accrued Expenses
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995507 - Disclosure - Long-Term Debt
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995517 - Disclosure - Fair Value Measurements
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995527 - Disclosure - Income Taxes
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995537 - Disclosure - Share-Based Compensation
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995547 - Disclosure - Revenue
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995557 - Disclosure - Retirement Plans
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995567 - Disclosure - Commitments and Contingencies
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995577 - Disclosure - Segment Information
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995587 - Disclosure - Schedule II-Valuation and Qualify Accounts
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995597 - Disclosure - Nature of Business and Summary of Significant Accounting Policies (Policies)
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995607 - Disclosure - Nature of Business and Summary of Significant Accounting Policies (Tables)
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995617 - Disclosure - Earnings Per Share (Tables)
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995627 - Disclosure - Property and Equipment (Tables)
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995637 - Disclosure - Leases (Tables)
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995647 - Disclosure - Accrued Expenses (Tables)
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995657 - Disclosure - Long-Term Debt (Tables)
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995667 - Disclosure - Fair Value Measurements (Tables)
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995677 - Disclosure - Income Taxes (Tables)
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995687 - Disclosure - Share-Based Compensation (Tables)
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995697 - Disclosure - Revenue (Tables)
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995707 - Disclosure - Business Dispositions (Tables)
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995717 - Disclosure - Segment Information (Tables)
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995727 - Disclosure - Nature of Business and Summary of Significant Accounting Policies (Estimated Useful Lives By Class of Assets) (Details)
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995737 - Disclosure - Nature of Business and Summary of Significant Accounting Policies (Narrative) (Details)
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995747 - Disclosure - Earnings Per Share - (Computations for Basic and Diluted Earnings (Loss) Per Share) (Details)
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995757 - Disclosure - Earnings Per Share - (Narrative) (Details)
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995767 - Disclosure - Property and Equipment (Details)
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995777 - Disclosure - Property and Equipment (Narrative) (Details)
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995787 - Disclosure - Leases - Additional Information (Details)
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995797 - Disclosure - Leases - (Schedule of Lease Costs) (Details)
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995807 - Disclosure - Leases - (Schedule of Maturity Analysis of Operating Lease and Financing Lease Liabilities) (Details)
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995817 - Disclosure - Leases - (Schedule of Maturity Analysis of Operating Lease and Financing Lease Liabilities) (Details) 3
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995827 - Disclosure - Leases - (Schedule of Maturity Analysis of Operating Lease and Financing Lease Liabilities) (Details) 4
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995837 - Disclosure - Leases - (Schedule of Maturity Analysis of Operating Lease and Financing Lease Liabilities) (Details) 2
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995847 - Disclosure - Leases - (Schedule of Additional Information Related to Leases) (Details)
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995857 - Disclosure - Leases - (Supplemental Balance Sheet Information Related to Finance Leases) (Details)
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995867 - Disclosure - Leases - (Supplemental Cash Flow Information Related to Leases) (Details)
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995877 - Disclosure - Accrued Expenses (Details)
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995887 - Disclosure - Long-Term Debt (Schedule of Long-Term Debt) (Details)
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995897 - Disclosure - Long-Term Debt (Narrative) (Details)
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995907 - Disclosure - Long-Term Debt (Maturities of Long-Term Debt) (Details)
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995917 - Disclosure - Fair Value Measurements (Schedule of Fair Values of Financial Instruments and Nonfinancial Assets and Liabilities Measured at the Reporting Date) (Details)
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995927 - Disclosure - Fair Value Measurements (Narrative) (Details)
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995937 - Disclosure - Fair Value Measurements (Changes in Components of Accumulated Other Comprehensive Income (Loss)) (Details)
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995947 - Disclosure - Fair Value Measurements (Adjustments Reclassified from Accumulated Balances Other Comprehensive Income (Loss) to Earnings) (Details)
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995957 - Disclosure - Income Taxes (Income Tax Provision) (Details)
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995967 - Disclosure - Income Taxes (Income before Income Tax from Domestic and Foreign Operations) (Details)
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995977 - Disclosure - Income Taxes (Provision for Income Taxes) (Details)
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995987 - Disclosure - Income Taxes (Narrative) (Details)
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995997 - Disclosure - Income Taxes (Income Tax Provision Reconciliation) (Details)
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996007 - Disclosure - Income Taxes (Income Tax Provision Reconciliation) (Details) 2
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996017 - Disclosure - Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details)
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996027 - Disclosure - Income Taxes (Deferred Tax Assets (Liabilities) (Details)
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996037 - Disclosure - Income Taxes - Schedule of Income Taxes Paid Net of Refunds Received (Details)
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996047 - Disclosure - Share-Based Compensation (Narrative) (Details)
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996057 - Disclosure - Share-Based Compensation (Summary of Non-Vested Restricted Stock Units) (Details)
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996067 - Disclosure - Revenue (Narrative) (Details)
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996077 - Disclosure - Revenue (Summary of Type of Work, Contract Revenues) (Details)
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996087 - Disclosure - Revenue (Summary of Type of Customer, Contract Revenues) (Details)
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996097 - Disclosure - Revenue (Schedule of Accounts Receivable) (Details)
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996107 - Disclosure - Revenue (Components of Contracts in Progress) (Details)
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996117 - Disclosure - Revenue (Components of Contracts in Progress) (Details) 2
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996127 - Disclosure - Revenue (Summary of Gross Profit from Foreign Operations) (Details)
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996137 - Disclosure - Retirement Plans (Narrative) (Details)
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996147 - Disclosure - Commitments and Contingencies (Narrative) (Details)
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996157 - Disclosure - Segment Information (Narrative) (Details)
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996167 - Disclosure - Segment Information - Summary of Net Income from Company's Reportable Segment (Details)
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996177 - Disclosure - Business Dispositions (Narrative) (Details)
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996187 - Disclosure - Business Dispositions - (Schedule of Discontinued Operations) (Details)
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996197 - Disclosure - Schedule II-Valuation and Qualifying Accounts (Details)
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Percentage of income taxes paid (net of refunds received)
Percentage of Income Taxes Paid (Net of Refunds Received)
Percentage of income taxes paid (net of refunds received).
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Weighted-average grant-date fair value, vested
Proceeds from Sale of Property, Plant, and Equipment
Proceeds from dispositions of property and equipment
Proceeds from Sale of Property, Plant, and Equipment, Total
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
Change in fair value of derivatives—net of tax
Segments [Domain]
Segments
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Foreign operations
Concentration Risk Type [Axis]
Concentration Risk Type
Schedule of Revenues from External Customers and Long-Lived Assets [Table]
Present value of minimum lease liabilities
Finance lease liabilities
Present value of minimum lease liabilities
Finance Lease, Liability
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Statement of Financial Position Location, Balance [Domain]
Balance Sheet Location
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Non-cash Investing and Financing Activities
Long-Term Debt, Excluding Current Maturities
LONG-TERM DEBT
Long-Term Debt, Excluding Current Maturities, Total
Schedule of Long-Term Debt Instruments [Table Text Block]
Schedule of Long-Term Debt
Plan Name [Axis]
Plan Name
Entity Current Reporting Status
Entity Current Reporting Status
Loss Contingency, Damages Sought, Value
Aggregate demolition surety performance bond
Derivative, Swap Type, Fixed Price
Fixed price range
Fair Value, Inputs, Level 2 [Member]
Significant Other Observable Inputs (Level 2) [Member]
Level 2 [Member]
Deferred Tax Assets, Net of Valuation Allowance
Total deferred tax assets
Commitments and Contingencies Disclosure [Text Block]
Commitments and Contingencies
Common Stock, Shares Authorized
Common stock, shares authorized
Capitalized Contract Cost, Gross
Costs to fulfill contract customers recognized as asset
Accounts Receivable, after Allowance for Credit Loss
Total accounts receivable—net
Option Indexed to Issuer's Equity, Type [Axis]
Option Indexed to Issuer's Equity, Type
Product and Service [Axis]
Product and Service
Amorization Of Capitalized Contract Costs
Amorization of capitalized contract costs.
Amortization of capitalized contract costs
Document Fiscal Period Focus
Document Fiscal Period Focus
Minimum lease payments
Finance Lease, Liability, to be Paid
Finance lease liabilities:
LIABILITIES
Finance Lease, Liability [Abstract]
Debt Instrument, Interest Rate, Stated Percentage
Debt instrument, interest rate, stated percentage
Revenue from Contract with Customer [Abstract]
Entity Shell Company
Entity Shell Company
Operating loss carryforwards expiration amount.
Operating Loss Carryforwards Expiration Amount
Operating loss carryforwards expiration amount
Other Accrued Liabilities, Current
Other
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type
Cash and Cash Equivalent
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value, Total
Schedule of Maturities of Long-Term Debt [Table Text Block]
Maturities of Long-Term Debt
Deferred tax assets operating lease assets.
Deferred Tax Assets Operating Lease Assets
Operating lease assets
Receivable Type [Axis]
Receivable Type
Cybersecurity Risk Management, Strategy, and Governance [Abstract]
Common Stock, Shares, Issued
Common stock, shares issued
TEXAS
Texas [Member]
Cybersecurity Risk Board of Directors Oversight [Text Block]
Statement [Table]
Statement [Table]
Energy [Axis]
Energy
NEW JERSEY
New Jersey [Member]
Revenue value remaining from outstanding performance bonds.
Revenue Value Remaining From Outstanding Performance Bonds
Revenue value remaining from outstanding performance bonds
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Gross increases — current period tax positions
Lease liabilities arising from obtaining new operating lease assets
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Revenue and Cost Recognition on Contracts
Revenue And Cost Recognition On Contracts Policies [Text Block]
Revenue and Cost Recognition on Contracts
Statement [Line Items]
Statement [Line Items]
Federal Government Agencies [Member]
Federal government agencies.
Federal Government Agencies [Member]
Entity Filer Category
Entity Filer Category
Reclassification, Comparability Adjustment [Policy Text Block]
Reclassifications
Federal government.
Federal Government [Member]
Federal Government [Member]
Liabilities and Equity
TOTAL
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Payables and Accruals [Abstract]
Long-Term Debt, Maturity, Year Three
2028
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Fair Value, by Balance Sheet Grouping [Table Text Block]
Schedule of Fair Value of Fuel Hedge Contracts Balance Sheet Location
Hedging Relationship [Axis]
Hedging Relationship
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]
Number of sponsored 401(k) plans
Number Of Sponsored401 K Plans
Number of sponsored 401(k) plans
Capital [Member]
Capital.
Call Premium On Repayment of Debt
Call premium on repayment of debt.
Call premium
Deferred Tax Assets, Valuation Allowance
Deferred tax assets valuation allowance
Valuation allowance
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
U.S. federal statutory income tax rate
Tax provision at statutory U.S. federal income tax rate
Cybersecurity Risk Management Third Party Engaged [Flag]
Anti-dilutive Due to Treasury Stock Method [Member]
Anti-dilutive Due to Treasury Stock Method [Member]
Anti-dilutive due to treasury stock method.
Documents Incorporated by Reference [Text Block]
Documents Incorporated by Reference
Goodwill
GOODWILL
Goodwill, Total
Goodwill, Beginning Balance
Goodwill, Ending Balance
Income tax provision
Income tax provision
Effective Income Tax Rate Reconciliation, Percent
Treasury Stock, Common, Value
Treasury stock; 1,312 and zero shares at December 31, 2025 and December 31, 2024, respectively.
Income Tax Jurisdiction [Axis]
Income Tax Authority
Indemnification commitment member.
Indemnification Commitment [Member]
Indemnification Commitment [Member]
Geographical [Domain]
Geographical
Income Tax, Examination [Table]
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Schedule II-Valuation and Qualifying Accounts
Gain (Loss) on Disposition of Assets for Financial Service Operations, Total
Gain (Loss) on Disposition of Assets for Financial Service Operations
Gain on sale of assets
Accounts Receivable, Allowance for Credit Loss
Accounts Receivable, Allowance for Credit Loss, Beginning Balance
Accounts Receivable, Allowance for Credit Loss, Ending Balance
Allowance for credit losses
Valuation allowances and reserves additions.
Valuation Allowances And Reserves Additions
Additions
Additional Paid in Capital, Common Stock
Additional paid-in capital
Debt Issuance Costs, Net
Debt Issuance Costs, Net, Total
Debt issuance costs
Debt instruments, interest rate
Debt Instrument, Interest Rate During Period
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation
Amount related to shares used for tax withholding obligations
Line of Credit, Remaining Borrowing Capacity, Period
Line of credit, remaining borrowing capacity, period.
Line of credit, remaining borrowing capacity, period
Bids bond range.
Bids Bond Range
Bids bond range
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Restricted Cash Equivalent
Restricted cash included in other long-term assets
Restricted Cash Equivalents, Total
Disaggregation of Revenue [Table]
Disaggregation Of Revenue [Table]
Cybersecurity Risk Management, Strategy, and Governance [Table]
Fuel hedge contracts.
Fuel Hedge Contracts [Member]
Fuel Hedge Contracts [Member]
Computations for Basic and Diluted Earnings (Loss) Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Senior Notes
Senior Notes
Senior Notes, Total
Percentage Of offshore energy backlog
Percentage Of offshore energy backlog
Percentage of offshore energy backlog
Earnings Per Share, Basic
Basic earnings (loss) per share
Basic earnings per share
Basic earnings per share
Maximum fixed charge coverage ratio per covenant
Maximum Fixed Charge Coverage Ratio Per Covenant
Maximum fixed charge coverage ratio per covenant.
Disaggregation of Revenue [Table Text Block]
Summary of Type of Work and Customer, Contract Revenues
Retirement Benefits [Text Block]
Retirement Plans
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Outstanding as of January 1, 2024
Outstanding as of December 31, 2024
Stock options, outstanding
Derivative, Nonmonetary Notional Amount, Volume
Derivative, Nonmonetary Notional Amount, Volume
Derivative, nonmonetary notional amount, volume
Interest Income (Expense), Nonoperating
Interest expense—net
Interest Income (Expense), Nonoperating, Total
Interest expense
Revolving Credit Facility [Member]
Revolving Credit Facility [Member]
Liabilities, Current
Total current liabilities
Increase (Decrease) in Accounts Receivable
Accounts receivable
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Adjustments to reconcile net income to net cash flows provided by operating activities:
Lessee, Operating Lease, Liability, to be Paid, Year Five
2030
Revenues from External Customers and Long-Lived Assets [Line Items]
Schedule of Income Taxes Paid Net of Refunds Received
Schedule Of Income Taxes Paid Net Of Refunds Received [Table Text Block]
Schedule of income taxes paid net of refunds received.
Income Tax Paid, Federal, after Refund Received
Income Tax Paid, Federal, after Refund Received, Total
Income taxes paid, net of refunds, Federal
Domestic Tax Jurisdiction [Member]
Domestic Tax Authority [Member]
Subsegments [Axis]
Subsegments
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
Deductions
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Allowance for Doubtful Accounts [Member]
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Gross increases — tax positions in prior period
Other Gains and Losses
Other Gains and Losses [Policy Text Block]
Other gains and losses.
Income Tax Examination [Line Items]
Consolidation Items [Domain]
Consolidation Items
Derivative Hedging Contract Liability [Member]
Derivative hedging contract liability.
Derivative Hedging Contract Liability [Member]
Equity, Attributable to Parent [Abstract]
EQUITY:
Entity Small Business
Entity Small Business
Retained Earnings (Accumulated Deficit)
Accumulated retained earnings
Retained Earnings (Accumulated Deficit), Total
Geographic Concentration Risk [Member]
Geographic Concentration Risk [Member]
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Current Foreign Tax Expense (Benefit)
Current foreign tax expense
Cost, Product and Service [Extensible Enumeration]
Cost, Product and Service [Extensible Enumeration]
Other Current Assets [Member]
Share-Based Payment Arrangement [Text Block]
Share-Based Compensation
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Self Insurance Reserve [Policy Text Block]
Self-insurance Reserves
Accrued Insurance, Current
Insurance
Defined Contribution Plan [Table]
Defined Contribution Plan [Table]
Leases [Abstract]
Weighted Average Number of Shares Outstanding, Diluted, Adjustment
Effect of stock options and restricted stock units
Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total
Employees and directors.
Employees And Directors [Member]
Employees and Directors [Member]
Amendment Flag
Amendment Flag
Product and Service [Domain]
Product and Service
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Tax provision at statutory U.S. federal income tax rate
Plant Expenses Excluding Depreciation
Plant expenses excluding depreciation.
Plant expenses excluding depreciation expense
Interest expense on lease liabilities
Finance Lease, Interest Expense
Liabilities and Equity [Abstract]
LIABILITIES AND EQUITY
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Cash provided by operating activities
Segment reporting, CODM, profit (loss) measure, how used, description
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description
Beach Nourishment [Member]
Beach nourishment.
Coastal Protection [Member]
Common Stock [Member]
Common Stock [Member]
Cybersecurity Risk Role of Management [Text Block]
Floating Rate Debt To Fixed Interest Rate
Floating rate debt to fixed interest rate.
Floating-rate debt to fixed interest rate
Defined Contribution Plan, Employer Discretionary Contribution Amount
Expense for matching and discretionary contributions
Long-Term Debt, Maturity, Year One
2026
Hedging Relationship [Domain]
Hedging Relationship
Lessee, Operating Lease, Liability, to be Paid, Year Three
2028
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Rivers & Lakes.
Rivers Lakes [Member]
Rivers & Lakes [Member]
Schedule of fair values of financial instruments and non-financial assets and liabilities measured.
Schedule Of Fair Values Of Financial Instruments And Nonfinancial Assets And Liabilities Measured Table [Text Block]
Schedule of Fair Values of Financial Instruments and Nonfinancial Assets and Liabilities Measured at the Reporting Date
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]
Entity Address, Address Line One
Entity Address, Address Line One
Deferred Tax Liabilities, Gross
Total deferred tax liabilities
Deferred Tax Liabilities, Gross, Total
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV
Earnings (Loss) Per Share [Abstract]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]
Supplemental Cash Flow Information [Abstract]
Supplemental Cash Flow Information
Annual retainer per non-employee director, percentage paid in common stock.
Annual Retainer Per Non Employee Director Percentage Paid In Common Stock
Annual retainer per non-employee director, percentage paid in common stock
One-time payment amount
Litigation Settlement, Amount Awarded from Other Party
Derivative Asset, Total
Derivative Asset
Derivatives assets
Green Loan Option [Member]
Green Loan Option [Member]
Green loan option.
Other noncurrent assets
Finance Lease, Right-of-Use Asset, before Accumulated Amortization
Statement of Financial Position Location, Balance [Axis]
Balance Sheet Location
Operating Lease, Right-of-Use Asset
OPERATING LEASE ASSETS
Imputed interest
Imputed interest
Finance Lease, Liability, Undiscounted Excess Amount
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]
Accounts receivable excluding contract receivable current.
Accounts Receivable Excluding Contract Receivable Current
Accounts receivable—net
Quantitative threshold
Quantitative Threshold
Quantitative threshold.
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period
Disposal Group, Including Discontinued Operation, Revenue
Revenue
Document Type
Document Type
Income Taxes Paid, Net
Cash paid for income taxes
Income taxes paid, net of refunds, Total
Income taxes paid, net of refunds
Gross profit
Gross Profit
Increased gross profit
Increased Gross Profit
Increased gross profit.
Entity Central Index Key
Entity Central Index Key
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Net increase (decrease) in cash, cash equivalents and restricted cash
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Summary of Revenues and Gross Profit from Foreign Project Operations
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Stock options and restricted stock, excluded from computation of earnings per share
Construction Contractor, Receivable, Excluding Contract Retainage, Year One
Contract revenues in excess of billings
Current portion of contract revenues in excess of billings
Owned domestic subsidiaries percent.
Owned Domestic Subsidiaries Percent
Owned Domestic Subsidiaries Percent
Common Stock, Par or Stated Value Per Share
Common stock, par value
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan Disclosure [Line Items]
Finance Lease, Liability, to be Paid, Rolling Year Two
2027
Performance obligation expected to be recognized as revenue, year.
Performance Obligation Expected To Be Recognized As Revenue Year
Performance obligation, expected to be recognized as revenue year
EBITDA [Member]
Measurement Input, EBITDA Multiple [Member]
Document Financial Statement Error Correction [Flag]
Disbursement amount from litigation escrow account
Disbursement Amount From Litigation Escrow Account
Disbursement amount from litigation escrow account.
Income tax reconciliation nondeductible expense officer compensation.
Income Tax Reconciliation Nondeductible Expense Officer Compensation
Nondeductible officer compensation
Number of stock options exercised
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Exercised
Exercise of options and purchases from employee stock plans, shares
Debt Disclosure [Abstract]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Net unrealized (gain) loss on derivatives-net of tax
Net change in cash flow derivative hedges-net of tax
Net change in cash flow derivative hedges-net of tax
Financing
Finance Lease, Liability, to be Paid, Rolling Maturity [Abstract]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income
Consolidation and basis of accounting.
Consolidation And Basis Of Accounting Policy [Text Block]
Principles of Consolidation and Basis of Presentation
Amortization of deferred financing cost and other non cash interest expense.
Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense
Amortization of deferred financing fees
Derivative, Notional Amount
Derivative notional amount
Accrued Liabilities, Current
Accrued expenses
Total accrued expenses
Current Fiscal Year End Date
Current Fiscal Year End Date
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Table]
Construction Contractor, Receivable, Excluding Contract Retainage
Total contract revenues in excess of billings
Receivables [Abstract]
Entity Address, State or Province
Entity Address, State or Province
Private.
Private [Member]
Private [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Options outstanding as of January 1, 2025
Options outstanding as of December 31, 2025
Line of Credit Facility, Remaining Borrowing Capacity
Letter of credit remaining borrowing capacity
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive income
Geographical [Axis]
Geographical
Vehicles, dozers, and other light operating equipment and systems
Vehicles Dozers And Other Light Operating Equipment And Systems [Member]
Vehicles, Dozers, And Other Light Operating Equipment And Systems [Member]
Fair Value Hedge Liabilities
Fair value hedge liabilities
Accounts Receivable [Member]
Accounts Receivable [Member]
Deferred tax liabilities operating lease assets.
Deferred Tax Liabilities Operating Lease Assets
Operating lease liabilities
Operating lease liabilities
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
State income tax — net of federal income tax benefit
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]
Stock Issued During Period, Value, Stock Options Exercised
Exercise of options and purchases from employee stock plans, value
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Deferred Tax Assets (Liabilities)
Derivative, average fixed interest rate
Derivative, Average Fixed Interest Rate
Capitalized Contract Cost, Accumulated Amortization
Amortization on pre-contract and pre-construction costs
Maintenance [Member]
Maintenance [Member]
Domestic rate.
Domestic Rate [Member]
Domestic Rate [Member]
Property, Plant and Equipment [Abstract]
Deferred Tax Assets, Tax Credit Carryforwards, Research
Research costs
Other Assets, Noncurrent
OTHER
Gain associated with the termination of an offshore wind contract
Gain (Loss) on Contract Termination
Antidilutive Securities [Axis]
Revenue, Product and Service [Extensible Enumeration]
Revenue, Product and Service [Extensible Enumeration]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Vesting of restricted stock units value and impact of shares withheld for taxes.
Vesting Of Restricted Stock Units Value And Impact Of Shares Withheld For Taxes
Vesting of restricted stock units and impact of shares withheld for taxes, value
Research and development expense amortized period
Capitalized Contract Cost, Amortization Period
Second Lien Credit Agreement [Member]
Second lien credit agreement .
Second Lien Credit Agreement [Member]
State and Local Jurisdiction [Member]
State and Local Jurisdiction [Member]
Costs and earnings in excess of billings for completed contracts.
Costs And Earnings In Excess Of Billings For Completed Contracts
Costs and earnings in excess of billings for completed contracts
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Loss [Member]
Customer [Domain]
Customer
Derivative Liability, Total
Derivative Liability
Derivatives liabilities
Treasury Stock, Common, Shares
Treasury stock
Disposal Groups, Including Discontinued Operations [Table Text Block]
Schedule of Discontinued Operations
Payment for Debt Extinguishment or Debt Prepayment Cost
Payment for extinguishment of debt
Payment for extinguishment of debt
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income
Other States [Member]
Other States [Member]
Other states.
Debt Instrument, Maturity Date
Maturity date
Minimum [Member]
Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Weighted-average grant-date fair value, granted
Annual retainer per non-employee director.
Annual Retainer Per Non Employee Director
Annual retainer per non-employee director
Assets, Current [Abstract]
CURRENT ASSETS:
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment
Operating equipment excluded from property and equipment held for sale
Fair Value, Inputs, Level 3 [Member]
Significant Unobservable Inputs (Level 3) [Member]
Proceeds from Long-Term Lines of Credit
Borrowings under revolving loans
Line of credit facility, net proceeds after debt issue costs
Segment Reporting [Abstract]
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Accumulated Gain Loss Net Cash Flow Hedge Parent [Member]
Increase decrease in costs in excess of billings on uncompleted contracts or programs expected to be collected within one year.
Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year
Contract revenues in excess of billings
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Accrued liabilities
Shares, Outstanding
BALANCE - shares
BALANCE - shares
Operating Loss Carryforwards
Loss carryforwards for federal income tax purposes
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Schedule of Accounts Receivable
Other income related to settlement
Other Income
COMMITMENTS AND CONTINGENCIES (Note 12)
Commitments and Contingencies
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
SEC Schedule, 12-09, Valuation Allowances and Reserves
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Weighted-average grant-date fair value as of December 31, 2025
Weighted-average grant-date fair value as of January 1, 2025
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Share-based compensation, shares
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total
Present value of minimum lease liabilities
Present value of minimum lease liabilities
Operating Lease, Liability
Auditor Firm ID
Auditor Firm ID
Debt Instrument, Basis Spread on Variable Rate
Debt instrument, basis spread on variable rate
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark
Lines Of Credit
Lines of credit.
Borrowings on second lien credit agreement
Long-Term Debt, Maturity, Year Two
2027
Proceeds from legal settlements
Proceeds from Legal Settlements
Proceeds from Legal Settlements
Finance lease liabilities
Accrued expenses
Finance Lease, Liability, Current
Weighted average discount rate
Finance Lease, Weighted Average Discount Rate, Percent
Period of unrecognized tax benefits not expected to be changed
Period Of Unrecognized Tax Benefits Not Expected To Be Changed
Period of unrecognized tax benefits not expected to be changed.
Accumulated depreciation
Accumulated depreciation
Finance Lease, Right-of-Use Asset, Accumulated Amortization
Capital Expenditures Incurred but Not yet Paid
Property and equipment purchased but not yet paid
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total
Net income
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount
Stock based compensation
Long Term Debt Type
Long-Term Debt, Type [Domain]
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]
Weighted Average Number of Shares Outstanding, Basic
Basic weighted average shares
Weighted-average common shares outstanding — basic
Weighted Average Number of Shares Outstanding, Basic, Total
Other Operating Gains Losses
Other operating gains losses.
Other (gains) losses
Other (gains) losses
Other gains
Outstanding performance bonds.
Outstanding Performance Bonds
Outstanding performance bonds
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Income Tax Provision Reconciliation
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Income from continuing operations
INCOME (LOSS) FROM CONTINUING OPERATIONS
Income from continuing operations
Income (loss) from continuing operations
Segments [Axis]
Segments
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax
Loss before income taxes from discontinued operations
Long-Lived Tangible Asset [Domain]
Long-Lived Tangible Asset
Repayments of second lien term loan
Repayments of second lien term loan
Repayments of Second Lien Term loan
Repayments of Second Lien Term loan
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures
Awards granted in period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures, Total
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Effective Income Tax Rate Reconciliation, Tax Credit, Percent
Effective Income Tax Rate Reconciliation, Tax Credit, Percent, Total
Tax credits
Tax credits
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Total
Net unrealized gain (loss) on derivatives, tax
Long-Term Debt
Long term debt
Variable Rate [Domain]
Variable Rate
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Changes in valuation allowance
Equity, Attributable to Parent
BALANCE - value
BALANCE - value
Total equity
Proposed global minimum tax percentage
Proposed Global Minimum Tax Percentage
Proposed global minimum tax percentage.
Statement of Stockholders' Equity [Abstract]
Net cash flow effect.
Net Cash Flow Effect
Net cash flow effect
Supplemental Balance Sheet Information Related to Finance Leases [Table Text Block]
Supplemental Balance Sheet Information Related to Finance Leases
Supplemental balance sheet information related to finance leases.
Use of Estimates, Policy [Policy Text Block]
Use of Estimates
Treasury Stock [Member]
Treasury Stock, Common [Member]
Long-Term Debt, Maturity, Year Five
2030
Entity Address, Address Line Two
Fair Value Disclosures [Text Block]
Fair Value Measurements
Number of interest rate swaps
Number of interest rate swaps.
Number of interest rate swaps
ABL Third Amendment [Member]
ABL third amendment.
ABL Third Amendment [Member]
Heavy operating equipment (dredges and barges)
Heavy Operating Equipment Dredges And Barges [Member]
Heavy Operating Equipment (Dredges And Barges) [Member]
Borrowings Under Second Lien Credit Agreement
Borrowings under second lien credit agreement.
Borrowings under Second Lien Credit Agreement
Use of equipment.
Use Of Equipment [Member]
Use of Equipment [Member]
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net
Other noncurrent assets and liabilities
Line of credit facility suppressed capacity.
Line Of Credit Facility Suppressed capacity,
Line of credit facility suppressed capacity
Schedule of Accrued Liabilities [Table Text Block]
Accrued Expenses
Debt Instrument, Name [Domain]
Debt Instrument, Name
Other Assets, Current
Other current assets
Income (Loss) from Equity Method Investments
Total income (loss) before income
Total income before income taxes
Long-Term Debt, Maturity, Year Four
2029
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Reconciliation of Unrecognized Tax Benefits
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
Inventory, Noncurrent
INVENTORIES—Noncurrent
Inventory, Noncurrent, Total
Plan Name [Domain]
Plan Name
Interest Expense, Operating and Nonoperating
Interest Expense, Operating and Nonoperating, Total
Interest expense
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Receivable [Policy Text Block]
Accounts Receivable
Credit Facility
Credit Facility [Axis]
Cost of Product and Service Sold
COSTS OF CONTRACT REVENUES
Costs of contract revenues
Costs of contract revenues
Cost of Goods and Services Sold, Total
Offshore Wind [Member]
Offshore Wind [Member]
Offshore wind.
Current State and Local Tax Expense (Benefit)
Current state tax expense
Cybersecurity Risk Management Expertise of Management Responsible [Text Block]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights
Vesting rights
Other Noncurrent Assets [Member]
Sale leaseback transaction, date
Sale Leaseback Transaction, Date
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Other
Foreign Tax Jurisdiction [Member]
Foreign Tax Authority [Member]
Property, Plant and Equipment, Policy [Policy Text Block]
Property, Plant and Equipment
Long-Term Contract or Program Disclosure [Table Text Block]
Components of Contracts in Progress
Entity Address, City or Town
Entity Address, City or Town
Finance Lease, Liability, to be Paid, after Rolling Year Five, Total
Thereafter
Finance Lease, Liability, to be Paid, after Rolling Year Five
Stock Repurchased During Period, Shares
Repurchase of common stock, shares
Debt, weighted average interest rate after adjusting interest rate swaps effects
Debt, weighted average interest rate after adjusting interest rate swaps effects.
Debt instruments weighted average interest rate after adjusting interest rate swaps effects
Operating Loss Carryforwards, Valuation Allowance
Valuation allowance for net operating loss carryforwards
Number of Reportable Segments
Number of reportable segments
Security Exchange Name
Security Exchange Name
Credit Facility [Domain]
Credit Facility
Accounts receivable billed for long term completed contracts or programs.
Accounts Receivable Billed For Long Term Completed Contracts Or Programs
Completed contracts
Long-Term Debt, Gross
Debt
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Other
Property, Plant and Equipment, Gross
Total property and equipment
Property, Plant and Equipment, Gross, Total
Property, Plant and Equipment, Gross, Beginning Balance
Property, Plant and Equipment, Gross, Ending Balance
Eleni Beyko [Member]
Eleni Beyko.
Debt instruments weighted average interest rate
Debt, Weighted Average Interest Rate
ABL Second Amendment [Member]
ABL Second Amendment [Member]
ABL Second Amendment.
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Income before income taxes
Concentration Risk Type [Domain]
Concentration Risk Type
Fair Value, Net Asset (Liability)
Fair Value, Net Asset (Liability)
Fair Value, Net Asset (Liability), Total
Income tax reconciliation adjustment to deferred tax depreciation.
Income Tax Reconciliation Adjustment To Deferred Tax Depreciation
Adjustment to deferred tax depreciation
Measurement Input Type [Domain]
Antidilutive Securities, Name [Domain]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Foreign tax effects
Inventory, Net
Inventories
Inventory, Net, Total
Lasse Petterson [Member]
Lasse Petterson.
Cash paid for interest
Interest Paid, Excluding Capitalized Interest, Operating Activity
Statistical Measurement [Domain]
Statistical Measurement
Assets, Current
Total current assets
Document Period End Date
Title and Position [Axis]
Title of Individual
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV
Defined Contribution Plan, Cost
Contributes to various multiemployer pension plans
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
Foreign.
Foreign [Member]
Foreign [Member]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, expected to vest.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Expected To Vest
Options expected to vest at December 31, 2025
Gain (Loss) on Disposition of Property Plant Equipment, Total
Gain (Loss) on Disposition of Property Plant Equipment
Loss related to the retirement of asset
Gain related to the retirement of asset
Long-Term Debt [Text Block]
Long-Term Debt
Statement of Financial Position [Abstract]
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
Loss Contingency Nature [Axis]
Loss Contingency Nature
Loss Contingency, Nature [Domain]
Loss Contingency, Nature
Liquidity Amount
Liquidity amount.
Amount of liquidity
Remaining Performance Obligation Expected To Be Recognized As Revenue Year
Remaining performance obligation expected to be recognized as revenue year.
Remaining performance obligation expected to be tecognized as revenue year
Antidilutive Security, Excluded EPS Calculation [Table]
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Out of Accumulated Other Comprehensive Income [Member]
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract]
Reconciliation of cash, cash equivalents and restricted cash
Deferred Tax Liabilities, Net
Net noncurrent deferred tax liabilities
Deferred Tax Liabilities, Net, Total
VIRGINIA
Virginia [Member]
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation and Qualifying Accounts Disclosure [Line Items]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table]
Liabilities
Total liabilities
Energy [Domain]
Energy
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Foreign tax effects
Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Lessee, Operating Lease, Liability, to be Paid, Year Two
2027
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Gain Loss [Line Items]
Share-based compensation arrangement by share-based payment award, exercise period.
Share Based Compensation Arrangement By Share Based Payment Award Exercise Period
Exercise period
Amortization of finance lease assets
Finance Lease, Right-of-Use Asset, Amortization
NEW YORK
New York [Member]
Variable Rate [Axis]
Variable Rate
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Ending Balance
Beginning Balance
Make Whole Carveout Amount
Make-whole carveout amount.
Make-whole carveout amount
Weighted Average Number of Shares Outstanding, Diluted
Diluted weighted average shares
Weighted-average common shares outstanding — diluted
Direct Operating Costs
Direct Operating Costs, Total
Direct contract cost
Securities Act File Number
Entity File Number
Derivative Hedging Contract Asset [Member]
Derivative hedging contract asset.
Derivative Hedging Contract Asset [Member]
Costs and earnings in excess of billings for contracts in progress.
Costs And Earnings In Excess Of Billings For Contracts In Progress
Costs and earnings in excess of billings for contracts in progress
Litigation settlement amount yet to released
Litigation Settlement Amount Yet to Released
Litigation settlement amount yet to released.
Cover [Abstract]
Non-qualified stock options.
Non Qualified Stock Options [Member]
Non Qualified Stock Options (NQSO) [Member]
Measurement Input Type [Axis]
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Options forfeited
Taxes Payable, Current
Income and other taxes
Taxes Payable, Current, Total
Gross cash proceeds
Gross Cash Proceeds
Gross cash proceeds.
Revenue Benchmark [Member]
Sales [Member]
Number of Operating Segments
Number of operating Segments
Segment Reporting Disclosure [Text Block]
Segment Information
Non-employee directors.
Non Employee Directors [Member]
Non-Employee Directors [Member]
General and Administrative Expense
GENERAL AND ADMINISTRATIVE EXPENSES
General and Administrative Expense, Total
General and administrative expenses
Regulatory Income Taxes, Policy [Policy Text Block]
Income Taxes
Annual rental rate
Annual Rental Rate
Annual rental rate.
Maximum revolving advance amount percentage of undrawn availability of credit agreement
Maximum Revolving Advance Amount Percentage Of Undrawn Availability Of Credit Agreement
Maximum revolving advance amount percentage of undrawn availability of credit agreement.
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
Valuation And Qualifying Accounts Disclosure [Table]
Maximum covenant percentage of undrawn availability of amended credit agreement.
Maximum Covenant Percentage of Undrawn Availability of Amended Credit Agreement
Maximum covenant percentage of undrawn availability of amended credit agreement
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period
Underlying equity awards issued
Finance Lease, Liability, to be Paid, Rolling Year Four
2029
Gain (Loss) on Extinguishment of Debt
Gain (Loss) on Extinguishment of Debt, Total
Loss on extinguishment of debt
Loss on extinguishment of debt
Offshore Energy [Member]
Offshore energy.
Debt Instrument Extended Term
Debt instrument extended term.
Debt instrument extended term
Property, Plant and Equipment, Useful Life
Useful life
Recently Issued Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Schedule of Maturity Analysis of Operating Lease Liabilities
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Derivative Instruments, Gain (Loss) [Table]
Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]
Contract with Customer, Liability, Current
Billings in excess of contract revenues
Total billings in excess of contract revenues
Gains on disposals of assets
Gain (Loss) on Disposition of Assets
Gain (Loss) on Disposition of Assets, Total
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Vesting period
Payment of Financing and Stock Issuance Costs
Deferred financing fees
Payment of Financing and Stock Issuance Costs, Total
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Domestic operations
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Amount
Depreciation
Depreciation expense
Depreciation, Total
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Total unrecognized compensation cost related to non-vested RSUs
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Nature of Business and Summary of Significant Accounting Policies
Common Stock, Shares, Outstanding
Common stock, shares outstanding
Common Stock, Shares, Outstanding, Beginning Balance
Common Stock, Shares, Outstanding, Ending Balance
Operating Lease, Liability, Current
Operating lease liabilities
Depreciation, Depletion and Amortization
Depreciation, Depletion and Amortization, Total
Depreciation and amortization
Revenue, Remaining Performance Obligation, Amount
Revenue, remaining performance obligation on dredging contracts
Prepayment After 19 To 30 Months From Closing Date [Member]
Prepayment after 19 to 30 months from closing date.
Prepayment After 19 To 30 Months From Closing Date [Member]
Cybersecurity Risk Management Processes Integrated [Flag]
Document Transition Report
Document Transition Report
Operating Loss Carryforwards, Limitations on Use
Operating loss carryforwards, limitations on use
Foreign Currency Exchange Hedge Contracts [Member]
Foreign Currency Exchange Hedge Contracts [Member]
Foreign currency exchange hedge contracts.
Receivable [Domain]
Receivable
Lessee, Operating Leases [Text Block]
Leases
Performance obligations exclude from dredging backlog.
Performance Obligations Exclude From Dredging Backlog
Performance obligations exclude from dredging backlog
Payments for Repurchase of Common Stock
Repurchases of common stock
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Provision for Income Taxes
Deferred Tax Assets, Operating Loss Carryforwards, State and Local
State NOLs
Billings in excess of costs and earnings.
Billings In Excess Of Costs And Earnings [Member]
Billings In Excess Of Costs And Earnings [Member]
Statement of Cash Flows [Abstract]
Current Federal Tax Expense (Benefit)
Current federal tax expense
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Summary of Stock Option Activity
Other current and noncurrent assets.
Other Current And Noncurrent Assets [Member]
Other Current and Noncurrent Assets [Member]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Interest Rate Swaps [Member]
Interest Rate Swap [Member]
Accounts and Financing Receivables [Table]
Schedule Of Accounts Notes Loans And Financing Receivable [Table]
Earnings Per Share [Text Block]
Earnings Per Share
Discontinued Operations and Disposal Groups [Abstract]
Deferred Tax Liabilities, Other
Other liabilities
Cybersecurity Risk Management Processes Integrated [Text Block]
Net income (loss)
Segment net income (loss)
Net income
Net income
Fine for violation.
Fine For Violation
Fine for violation
Increase (Decrease) in Inventories
Inventories
Increase (Decrease) in Inventories, Total
Income Tax Reconciliation Nondeductible Expense Officer Compensation Rate
Income tax reconciliation nondeductible expense officer compensation rate.
Nondeductible officer compensation
Green Loan Advance Rates [Member]
Green Loan Advance Rates [Member]
Green loan advance rates.
Multiemployer Plan, Pension, Significant, Employer Contribution under Collective-Bargaining Arrangement to All Participating Employer Contributions, Percentage
Multiemployer plans collective-bargaining arrangement percentage of contributions
Estimated useful lives by class of assets.
Estimated Useful Lives By Class Of Assets Table [Text Block]
Estimated Useful Lives By Class Of Assets
Operating Lease, Cost
Operating lease costs
Operating Lease, Payments
Operating cash flows from operating leases
Accounts Receivable, before Allowance for Credit Loss
Accounts receivable, gross
Derivatives, Fair Value [Line Items]
Derivatives Fair Value [Line Items]
Proceeds from Divestiture of Businesses
Proceeds from sale of historical environmental and infrastructure business
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Aggregate intrinsic value of stock options exercised
ASSETS
Assets [Abstract]
Construction in Progress [Member]
Construction in Progress [Member]
Increase (Decrease) in Prepaid Expense and Other Assets
Prepaid expenses and other current assets
Margin Advances Facility Two [Member]
Margin Advances Facility Two [Member]
Margin Advances Facility Two.
Document Fiscal Year Focus
Document Fiscal Year Focus
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Changes in Components of Accumulated Other Comprehensive Income
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
INVESTING ACTIVITIES:
Retirement Benefits [Abstract]
Accounts Payable, Current
Accounts payable
Accounts Payable, Current, Total
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
Gross decreases — expirations
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Income before Income Tax from Domestic and Foreign Operations
Operating loss carryforwards expiration year.
Operating Loss Carryforwards Expiration Year
Operating loss carryforwards expiration year
Derivative, maturity date
Derivative, Contract End Date
Deferred Federal Income Tax Expense (Benefit)
Deferred federal tax expense
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
Share-based compensation, value
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total
Operating
Lessee, Operating Lease, Liability, to be Paid, Rolling Maturity [Abstract]
Sale leaseback transaction, lease term
Sale Leaseback Transaction, Lease Term
Fair Value Hedge Assets
Asset derivatives
Fair value hedge assets
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, weighted average grant date fair value, expected to vest.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Expected To Vest
Weighted-average grant-date fair value, expected to vest at December 31, 2025
Exercise of stock options and purchases from employee stock plans
Proceeds from Stock Options Exercised
Exercise of options and purchases from employee stock plans
Accounts receivable billed for long term contracts or programs in progress.
Accounts Receivable Billed For Long Term Contracts Or Programs In Progress
Contracts in progress
Fair Value Disclosures [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Capital-Foreign [Member]
Capital dredging - Foreign.
Capital Dredging Foreign [Member]
Effective Income Tax Rate Reconciliation, Tax Credit, Amount
Effective Income Tax Rate Reconciliation, Tax Credit, Amount, Total
Tax credits
Tax credits
Lessee, Operating Lease, Liability, to be Paid, Year One
2026
Repayments of Long-Term Lines of Credit
Repayments of revolving loans
FLORIDA
Florida [Member]
Finance
Finance Leases [Abstract]
Finance leases.
Debt Instrument [Axis]
Debt Instrument
Schedule of components of income tax expense benefit from continuing and discontinued operations.
Schedule Of Components Of Income Tax Expense Benefit From Continuing And Discontinued Operations Table [Text Block]
Schedule of Income Tax Provision
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Thereafter
Share-Based Payment Arrangement [Abstract]
Share-Based Compensation
Share-Based Compensation [Abstract]
Finance Lease, Liability, to be Paid, Next Rolling 12 Months
2026
Percentage of fair value of reporting unit in excess of carrying value.
Percentage of Fair Value of Reporting Unit in Excess of Carrying Value
Percentage of fair value of reporting unit in excess of carrying value
Classification of current assets and liabilities.
Classification Of Current Assets And Liabilities Policies [Text Block]
Classification of Current Assets and Liabilities
Derivatives, Policy [Policy Text Block]
Hedging Instruments
Concentration risk percentage
Concentration Risk, Percentage
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
Summary of Non-Vested Restricted Stock Units
Debt Instrument, Fair Value Disclosure
Fair value of debt
Debt Instrument, Fair Value Disclosure, Total
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Cash used in investing activities
Weighted average remaining lease term (years)
Finance Lease, Weighted Average Remaining Lease Term
Title of 12(b) Security
Title of 12(b) Security
Schedule of Segment Reporting Information, by Segment [Table]
Fed Funds Effective Rate Overnight Index Swap Rate [Member]
Federal Funds Effective Rate [Member]
Percentage Of Quarterly Fee On Undrawn Commitments
Percentage of quarterly fee on undrawn commitments.
Percentage of quarterly fee on undrawn commitments
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Weighted-average grant-date fair value, forfeited
Subsegments [Domain]
Subsegments
State and local government.
State And Local Government [Member]
State and Local Government [Member]
Long-Term Debt, Maturity, after Year Five
Thereafter
Income Tax Disclosure [Text Block]
Income Taxes
Other Liabilities, Noncurrent
OTHER
Construction Contractor, Receivable, Retainage
Retainage
Construction Contractor, Receivable, Retainage, Total
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period
Total other noncurrent assets
Finance lease right-of-use assets
Finance Lease, Right-of-Use Asset, after Accumulated Amortization
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Changes in assets and liabilities:
Property, Plant and Equipment [Table Text Block]
Schedule of Property Plant and Equipment
Letters of Credit Outstanding, Amount
Letters of credit outstanding
Income Tax Disclosure [Abstract]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Unrecognized Tax Benefits
Unrecognized tax benefits — December 31,
Unrecognized tax benefits — January 1
Additional Paid-in Capital [Member]
Additional Paid-In Capital [Member]
Minimum fixed charge coverage ratio per covenant.
Minimum Fixed Charge Coverage Ratio per Covenant
Minimum fixed charge coverage ratio per covenant
Finance lease assets:
ASSETS
Finance Lease, Right-of-Use Asset, after Accumulated Amortization [Abstract]
Senior Notes [Member]
Senior Notes [Member]
Trading Symbol
Trading Symbol
Property, Plant and Equipment Disclosure [Text Block]
Property and Equipment
Employee-related Liabilities, Current
Payroll and employee benefits
Employee-related Liabilities, Current, Total
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
FINANCING ACTIVITIES:
Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax
Loss on disposal of assets held for sale
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Accrued Expenses
Lessee, Operating Lease, Liability, to be Paid
Minimum lease payments
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Imputed interest
Imputed interest
Equity Components [Axis]
Equity Components
Line of Credit, Current
Revolving credit facility
Equity Component [Domain]
Equity Component
2029 Notes.
Two Thousand Twenty Nine Notes [Member]
2029 Notes [Member]
Environmental and infrastructure segment.
Environmental And Infrastructure Segment [Member]
Environmental and Infrastructure Segment [Member]
Delayed Draw Term Loan Facility [Member]
Delayed draw term loan facility.
Delayed Draw Term Loan Facility [Member]
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Valuation Allowance for Deferred Tax Assets [Member]
Document Annual Report
Document Annual Report
Eight percent senior notes due in two thousand twenty two.
Eight Percent Senior Notes Due In Two Thousand Twenty Two [Member]
8.000% Senior Notes Due in 2022 [Member]
Costs and earnings in excess of billings.
Costs And Earnings In Excess Of Billings [Member]
Costs And Earnings In Excess Of Billings [Member]
Customer [Axis]
Customer
Building and Building Improvements [Member]
Buildings and Improvements [Member]
Dredging.
Dredging [Member]
Dredging [Member]
Statement of Comprehensive Income [Abstract]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic
Federal NOLs and interest limitations
Maximum [Member]
Maximum [Member]
Commitments and contingencies.
Commitments And Contingencies [Line Items]
Commitments And Contingencies [Line Items]
Statistical Measurement [Axis]
Statistical Measurement
Prepaid Expense, Current
Prepaid expenses
Prepaid Expense, Current, Total
Interest paid net of cash received.
Interest Paid Net Of Cash Received
Cash paid for interest
Common Stock, Value, Issued
Common stock - $.0001 par value; 170,000 shares authorized, 68,087 and 67,280 shares issued at December 31, 2025 and December 31, 2024, respectively, and 66,775 and 67,280 shares outstanding at December 31, 2025 and December 31, 2024, respectively.
Accrued contract reserves liabilities current.
Accrued Contract Reserves Liabilities Current
Contract reserves
Financing cash flows from finance leases
Financing cash flows from finance leases
Payments on finance lease obligations
Finance Lease, Principal Payments
Additional annual retainer paid to non employee director.
Additional Annual Retainer Paid To Non Employee Director
Additional annual retainer paid to non-employee director
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Adjustments Reclassified from Accumulated Balances Other Comprehensive Income to Earnings
Type of customer.
Type Of Customer [Member]
Type of Customer [Member]
Operating loss carryforwards indefinitely.
Operating Loss Carryforwards indefinitely
Operating loss carryforwards indefinitely
Equipment [Member]
Operating Equipment [Member]
Maintenance dredging.
Maintenance Dredging [Member]
Maintenance [Member]
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]
Prepayment After 31 To 42 Months From Closing Date [Member]
Prepayment after 31 to 42 months from closing date.
Prepayment After 31 To 42 Months From Closing Date [Member]
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Long-Lived Assets
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
State income tax - net of federal income tax benefit
Amortization of Debt Issuance Costs
Amortization of deferred financing fees
Debt instrument covenant description
Debt Instrument, Covenant Description
Type of work.
Type Of Work [Member]
Type of Work [Member]
Middle East [Member]
Middle East [Member]
Entity Public Float
Entity Public Float
Interest Payable, Current
Interest
Interest income
Interest Income
Interest Income.
Payment, Tax Withholding, Share-Based Payment Arrangement
Taxes paid on settlement of vested share awards
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Notes And Loans Receivable [Line Items]
Revenue from Contract with Customer [Text Block]
Revenue
Entity Registrant Name
Entity Registrant Name
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Interest and penalties recorded
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total
Entity Voluntary Filers
Entity Voluntary Filers
Customer Concentration Risk [Member]
Customer Concentration Risk [Member]
Finance Lease costs
Finance Lease Costs [Abstract]
Finance lease costs.
Other Nonoperating Income (Expense)
Other Nonoperating Income (Expense), Total
Other income (expense)
Other (income) expense
Other income
Deferred State and Local Income Tax Expense (Benefit)
Deferred state tax expense
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Margin Advances Facility One [Member]
Margin Advances Facility One [Member]
Margin Advances Facility One.
Cybersecurity Risk Management Positions or Committees Responsible [Flag]
Daily Simple SOFR Rate [Member]
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Term SOFR Loan [Member]
Finance Lease, Liability, to be Paid, Rolling Year Five
2030
Income tax provision from continuing operations
Income tax (provision) benefit
Income tax (provision) benefit
Income tax provision
Income tax provision
Income tax benefit
Stock Repurchased During Period, Value
Repurchase of common stock, value
Repurchase of common stock, value
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Operating
Operating Leases [Abstract]
Operating leases.
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Consolidation Items [Axis]
Consolidation Items
Payments to Acquire Property, Plant, and Equipment
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment, Total
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Options granted
Assets
TOTAL
Inventory, Policy [Policy Text Block]
Inventories
Property, Plant and Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Income Tax Paid, State and Local, after Refund Received
Income Tax Paid, State and Local, after Refund Received, Total
Income taxes paid, net of refunds, State
Income Statement [Abstract]
Derivative underlying hedge percent.
Derivative Underlying Hedge Percent
Derivative underlying hedge percent
Operating cash flows from finance leases
Operating cash flows from finance leases
Finance Lease, Interest Payment on Liability
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
Gross decreases — tax positions in prior period
Deferred Income Tax Expense (Benefit)
Deferred income taxes
Deferred Income Tax Expense (Benefit), Total
Schedule of additional information related to leases.
Schedule Of Additional Information Related To Leases Table [Text Block]
Schedule of Additional Information Related to Leases
Lease, Cost [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Options vested
Earnings Per Share, Diluted
Diluted earnings (loss) per share
Diluted earnings per share
Diluted earnings per share
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Summary of Net Income from Company's Reportable Segment
Beach nourishment dredging.
Beach Nourishment Dredging [Member]
Coastal Protection [Member]
Operating Segments [Member]
Operating Segment [Member]
Margin Advances Facility Three [Member]
Margin Advances Facility Three.
Margin Advances Facility Three [Member]
Annual retainer per non-employee director, percentage paid in cash.
Annual Retainer Per Non Employee Director Percentage Paid In Cash
Annual retainer per non-employee director, percentage paid in cash
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Percent
Title and Position [Domain]
Title of Individual
Crude Oil [Member]
Crude Oil [Member]
Disaggregation of Revenue [Abstract]
City Area Code
City Area Code
Other Comprehensive Income (Loss), Net of Tax
Total other comprehensive income (loss)
Other comprehensive income (loss) net of tax
Expected funds to be released in connection with pre-purchase construction project
Expected Funds To Be Released In Connection With Pre-purchase Construction Project
Expected funds to be released in connection with pre-purchase construction project.
Auditor Name
Auditor Name
Discontinued Operation, Tax Effect of Discontinued Operation
Income tax benefit from discontinued operations
Income tax benefit
Other noncurrent liabilities
Finance Lease, Liability, Noncurrent
Billings for contracts in progress.
Billings For Contracts In Progress
Amounts billed
Debt Instrument, Face Amount
Debt instrument, face amount
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Loss from discontinued operations, net of income taxes
Loss on discontinued operations, net of income taxes
Income (Loss) from discontinued operations, net of income taxes
Line of Credit Facility, Maximum Borrowing Capacity
Line of credit facility, maximum borrowing capacity
Deferred Tax Assets, Tax Credit Carryforwards
Tax credit carryforwards
Deferred Tax Assets, Tax Credit Carryforwards, Total
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
Research and development tax credits
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
Reclassification of derivative gain (losses) to earnings net of tax
Reclassification of derivative (gains) losses to earnings net of tax
Reclassification of derivative losses (gains) to earnings - net of tax
Finance Lease, Liability, to be Paid, Rolling Year Three
2028
Weighted average remaining lease term (years)
Operating Lease, Weighted Average Remaining Lease Term
Segment Reporting Information [Line Items]
Lease, Cost
Total lease cost
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year
Remaining performance obligation, expected timing of satisfaction, year
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash Equivalents
Commitments and contingencies.
Commitments And Contingencies [Table]
Commitments And Contingencies [Table]
Supplemental Cash Flow Information Related to Leases
Supplemental Cash Flow Information Related To Leases [Table Text Block]
Supplemental cash flow information related to leases.
Long-lived assets, net book value
Property, Plant and Equipment, Net
PROPERTY AND EQUIPMENT—Net
Property and equipment-net
Lease liabilities arising from obtaining new finance lease assets
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Goodwill
Deferred Foreign Income Tax Expense (Benefit)
Deferred foreign tax expense
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Cash, cash equivalents and restricted cash at end of period
Cash, cash equivalents and restricted cash at beginning of period
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
Cash, cash equivalents and restricted cash at end of period
Operating Income (Loss)
Operating income
Percentage Of Prepayment Of Principal Loan Amount
Percentage of prepayment of principal loan amount.
Percentage of prepayment of principal loan amount
Retained Earnings [Member]
Retained Earnings [Member]
Share-Based Payment Arrangement, Noncash Expense
Share-based compensation expense
Share-Based Payment Arrangement, Noncash Expense, Total
Accrued fuel hedge contracts liabilities current.
Accrued Fuel Hedge Contracts Liabilities Current
Fuel hedge contracts
Warranty periods.
Warranty Periods
Warranty periods
Operating Lease, Weighted Average Discount Rate, Percent
Weighted average discount rate
Two thousand seven long-term incentive plan.
Two Thousand Seven Long Term Incentive Plan [Member]
2007 Long-Term Incentive Plan [Member]
Operating Lease, Liability, Noncurrent
OPERATING LEASE LIABILITIES—Noncurrent
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Benefit in cost of contract revenues
Benefit in cost of contract revenues
Benefit in cost of contract revenues.
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Cash (used in) provided by financing activities
Construction Contractor, Receivable, Excluding Contract Retainage, after Year One
Long-term contract revenues in excess of billings
Construction Contractor, Receivable, Excluding Contract Retainage, after Year One, Total
Lease, Cost [Table Text Block]
Schedule of Lease Costs
ABL Amendment [Member]
Asset Based Revolving Credit Facility [Member]
Asset based revolving credit facility.
Sale leaseback transaction, lease terms
Sale Leaseback Transaction, Lease Terms
Auditor Location
Auditor Location
Deferred Income Tax Liabilities, Net
DEFERRED INCOME TAXES
Anti-dilutive Due to Period Loss [Member]
Anti-dilutive Due to Period Loss [Member]
Anti-dilutive due to period loss.
Income Tax Jurisdiction [Domain]
Income Tax Authority
Entity Interactive Data Current
Entity Interactive Data Current
Increase (Decrease) in Contract with Customer, Liability
Billings in excess of contract revenues
Two thousand seventeen long-term incentive plan.
Two Thousand Seventeen Long Term Incentive Plan [Member]
2017 Long-Term Incentive Plan [Member]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
OPERATING ACTIVITIES:
Furniture and Fixtures [Member]
Furniture and Fixtures [Member]
Deferred tax liabilities, depreciation and amortization
Deferred Tax Liabilities Depreciation And Amortization
Depreciation and amortization
Civil penalty.
Civil Penalty
Civil penalty
Quantity of oil spill.
Quantity Of Oil Spill
Quantity of oil spill
Capital dredging - U.S.
Capital Dredging U S [Member]
Capital-U.S. [Member]
Stock Issued During Period, Shares, Issued for Services
Shares of common stock received by employee directors
Loan Prepayment Period
Loan prepayment period.
Loan prepayment period
Option Indexed to Issuer's Equity, Type
Option Indexed to Issuer's Equity, Type [Domain]
Entity Tax Identification Number
Entity Tax Identification Number
Potential liability for criminal matters.
Potential Liability For Criminal Matters
Potential liability for criminal matters
Land [Member]
Land [Member]
Long Term Debt Type
Long-Term Debt, Type [Axis]
Vesting of restricted stock units shares and impact of shares withheld for taxes.
Vesting Of Restricted Stock Units Shares And Impact Of Shares Withheld For Taxes
Vesting of restricted stock units and impact of shares withheld for taxes, shares
Long term debt current and non current excluding equipment notes
Long Term Debt Current And Non Current Excluding Equipment Notes
Total
Local Phone Number
Local Phone Number
Board of Directors Chairman [Member]
Chairman of the Board [Member]
Short-Term Lease, Cost
Short-term lease costs
Costs and earnings for contracts in progress.
Costs And Earnings For Contracts In Progress
Costs and earnings for contracts in progress
Auditor Opinion [Text Block]
Long-lived assets, net book value
Long-Lived Assets
Number of reportable segments with goodwill.
Number Of Reportable Segments With Goodwill
Number of reportable segment with goodwill
Disaggregation of Revenue [Line Items]
Disaggregation Of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax
Contract revenues
CONTRACT REVENUES
Long-Term Line of Credit, Noncurrent
Line of credit
Lessee, Operating Lease, Liability, to be Paid, Year Four
2029
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Share-based compensation arrangement by share-based payment award, number of shares available for grant
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Total unrecognized compensation cost, weighted-average period of recognition
Additional percentage of annual retainer paid to non employee director in common stock.
Additional Percentage Of Annual Retainer Paid To Non Employee Director In Common Stock
Additional percentage of annual retainer paid to non-employee director in common stock
Entity Emerging Growth Company
Entity Emerging Growth Company
Percentage of performance obligation to be recognized as revenue.
Percentage Of Performance Obligation To Be Recognized As Revenue
Percentage of performance obligation to be recognized as revenue