Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]
Derivative Instruments, Gain (Loss) [Table]
Entity Address, City or Town
Entity Address, City or Town
Repurchase of common stock, value
Stock Repurchased During Period, Value
Interest margin applicable
Interest Margin Applicable Rate
Interest margin applicable rate.
Income Tax Provision (benefit) Reconciliation
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Fair Value Disclosures [Abstract]
Earnings Per Share [Abstract]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Net Asset (Liability), Total
Fair Value, Net Asset (Liability)
Fair Value, Net Asset (Liability)
Accrued Expenses
Schedule of Accrued Liabilities [Table Text Block]
Domestic Tax Authority [Member]
Domestic Tax Authority [Member]
Costs to fulfill contracts with customers recognized as an asset
Capitalized Contract Cost, Gross
FINANCING ACTIVITIES:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Amendment Flag
Amendment Flag
2025
Long-Term Debt, Maturity, Year Four
Property and equipment purchased but not yet paid
Capital Expenditures Incurred but Not yet Paid
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Operating loss carryforwards expiration amount
Operating Loss Carryforwards Expiration Amount
Operating loss carryforwards expiration amount.
Goodwill, Ending Balance
Goodwill, Beginning Balance
Goodwill, Total
GOODWILL
Goodwill
OPERATING LEASE ASSETS
Operating Lease, Right-of-Use Asset
Revenue From Contract With Customer [Table]
Revenue From Contract With Customer [Table]
Revenue from contract with customer table.
Operating lease assets
Deferred Tax Assets Operating Lease Assets
Deferred tax assets operating lease assets.
State NOLs
Deferred Tax Assets, Operating Loss Carryforwards, State and Local
Debt Instrument [Table]
Schedule of Long-Term Debt Instruments [Table]
Repurchase of common stock
Payments for Repurchase of Common Stock
SEC Schedule, 12-09, Valuation Allowances and Reserves
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
Revenue value remaining from outstanding performance bonds
Revenue Value Remaining From Outstanding Performance Bonds
Revenue value remaining from outstanding performance bonds.
Imputed interest
Imputed interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Income tax provision (benefit)
Income tax provision
Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations
Multiemployer plans collective-bargaining arrangement percentage of contributions
Multiemployer Plan, Pension, Significant, Employer Contribution under Collective-Bargaining Arrangement to All Participating Employer Contributions, Percentage
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Statement [Table]
Statement [Table]
OPERATING LEASE LIABILITIES—Noncurrent
Operating Lease, Liability, Noncurrent
Subsegments
Subsegments [Domain]
Revenue and Cost Recognition on Contracts
Revenue And Cost Recognition On Contracts Policies [Text Block]
Revenue and Cost Recognition on Contracts
Federal Government Agencies [Member]
Federal Government Agencies [Member]
Federal government agencies.
Operating cash flows from operating leases
Operating Lease, Payments
Number of operating Segments
Number of Operating Segments
LIBOR Rate [Member]
London Interbank Offered Rate (LIBOR) [Member]
Federal Government [Member]
Federal Government [Member]
Federal government.
Remaining performance obligation, expected timing of satisfaction, year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Year
Auditor Firm ID
Auditor Firm ID
Construction Contractor, Receivable, Retainage, Total
Retainage
Construction Contractor, Receivable, Retainage
Total contract revenues in excess of billings
Construction Contractor, Receivable, Excluding Contract Retainage
Weighted-average grant-date fair value as of December 31, 2022
Weighted-average grant-date fair value as of January 1, 2022
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, vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Income Tax Authority
Income Tax Authority [Domain]
Self-insurance Reserves
Self Insurance Reserve [Policy Text Block]
Number of sponsored 401(k) plans
Number Of Sponsored401 K Plans
Number of sponsored 401(k) plans
Deferred Tax Assets, Tax Credit Carryforwards, Total
Tax credit carryforwards
Deferred Tax Assets, Tax Credit Carryforwards
Stock options and restricted stock units excluded from weighted-average common shares outstanding
Antidilutive Securities Excluded From Diluted Weighted-average Common Shares Outstanding
Antidilutive securities excluded from diluted weighted-average common shares outstanding.
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Total
Forfeited or Expired
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period
Hedging Relationship
Hedging Relationship [Domain]
Product and Service
Product and Service [Axis]
Employee-related Liabilities, Current, Total
Payroll and employee benefits
Employee-related Liabilities, Current
Leases
Lessee, Operating Leases [Text Block]
Indemnification Commitment [Member]
Indemnification Commitment [Member]
Indemnification commitment member.
Concentration Risk Type
Concentration Risk Type [Axis]
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total
Share-based compensation, shares
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Weighted average remaining lease term
Operating Lease, Weighted Average Remaining Lease Term
TOTAL
Liabilities and Equity
Inventories
Inventory, Policy [Policy Text Block]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Plan Name
Plan Name [Domain]
Cost, Product and Service [Extensible Enumeration]
Cost, Product and Service [Extensible Enumeration]
Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Additions
Valuation Allowances And Reserves Additions
Valuation allowances and reserves additions.
Deferred foreign tax expense (benefit)
Deferred Foreign Income Tax Expense (Benefit)
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Income Statement [Abstract]
Other
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Chairman of the Board [Member]
Board of Directors Chairman [Member]
Weighted average exercise price, vested at December 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price
Bids bond range
Bids Bond Range
Bids bond range.
Derivatives liabilities
Derivative Liability
Derivative Liability, Total
Operating Segment [Member]
Operating Segments [Member]
Total current liabilities
Liabilities, Current
Fuel Hedge Contracts [Member]
Fuel Hedge Contracts [Member]
Fuel hedge contracts.
Loss carryforwards for federal income tax purposes
Operating Loss Carryforwards
2025
Lessee, Operating Lease, Liability, to be Paid, Year Three
Loss Contingency Nature
Loss Contingency Nature [Axis]
2026
Long-Term Debt, Maturity, Year Five
Payment of Financing and Stock Issuance Costs, Total
Deferred financing fees
Payment of Financing and Stock Issuance Costs
Components of Contracts in Progress
Long-Term Contract or Program Disclosure [Table Text Block]
Accounts Receivable, Allowance for Credit Loss, Ending Balance
Accounts Receivable, Allowance for Credit Loss, Beginning Balance
Allowance for doubtful accounts
Accounts Receivable, Allowance for Credit Loss
Vesting of restricted stock units, including impact of shares withheld for taxes, shares
Vesting Of Restricted Stock Units Shares Including Impact Of Shares Withheld For Taxes
Vesting of restricted stock units shares including impact of shares withheld for taxes.
Short-term lease costs
Short-Term Lease, Cost
Accrued Expenses
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Billings in excess of contract revenues
Increase (Decrease) in Contract with Customer, Liability
Energy
Energy [Axis]
Deferred Tax Liabilities, Net, Total
Net noncurrent deferred tax liabilities
Deferred Tax Liabilities, Net
Income (loss) from continuing operations
Income from continuing operations
INCOME (LOSS) FROM CONTINUING OPERATIONS
Income from continuing operations
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Derivatives assets
Derivative Asset
Derivative Asset, Total
Provision (Benefit) for Income Taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Weighted average discount rate
Operating Lease, Weighted Average Discount Rate, Percent
Revenue, Product and Service [Extensible Enumeration]
Revenue, Product and Service [Extensible Enumeration]
Variable Rate
Variable Rate [Axis]
Entity Small Business
Entity Small Business
Number of reportable segments
Number of Reportable Segments
Stock based compensation
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount
Valuation and Qualifying Accounts Disclosure [Line Items]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Hedging Relationship
Hedging Relationship [Axis]
Reclassification Out of Accumulated Other Comprehensive Income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Member]
Total current assets
Assets, Current
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Senior Notes, Total
Senior Notes
Senior Notes
Change in deferred state tax rate
Income Tax Reconciliation Change In Deferred State Tax Rate
Income tax reconciliation change in deferred state tax rate
Weighted Average Number of Shares Outstanding, Basic, Total
Weighted-average common shares outstanding — basic
Basic weighted average shares
Weighted Average Number of Shares Outstanding, Basic
Employees and Directors [Member]
Employees And Directors [Member]
Employees and directors.
City Area Code
City Area Code
Aggregate intrinsic value, outstanding as of December 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Business Dispositions
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Share-Based Compensation [Abstract]
Share-Based Compensation
Share-Based Payment Arrangement [Abstract]
Reclassification of derivative (gains) losses to earnings net of cash settlements and taxes
Other Comprehensive Income Loss, Gains Reclassified to Earnings From Changes in Fair Value of Derivatives, Net of Cash Settlements and Taxes
Other comprehensive income loss, gains reclassified to earnings from changes in fair value of derivatives, net of cash settlements and taxes.
Total liabilities
Liabilities
Document Period End Date
Document Period End Date
Valuation And Qualifying Accounts Disclosure [Table]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]
Rivers & Lakes [Member]
Rivers Lakes [Member]
Rivers & Lakes.
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan Disclosure [Line Items]
Schedule of Fair Values of Financial Instruments and Nonfinancial Assets and Liabilities Measured at the Reporting Date
Schedule Of Fair Values Of Financial Instruments And Nonfinancial Assets And Liabilities Measured Table [Text Block]
Schedule of fair values of financial instruments and non-financial assets and liabilities measured.
Statistical Measurement
Statistical Measurement [Axis]
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.
Green loan option.
Green Loan Option [Member]
Green Loan Option [Member]
Other current assets
Other Assets, Current
TOTAL
Assets
Accounts receivable—net
Accounts Receivable Excluding Contract Receivable Current
Accounts receivable excluding contract receivable current.
Debt instrument covenant description
Debt Instrument, Covenant Description
Income tax provision (benefit)
Income Tax Expense Benefit Excluding Discontinued Operations
Income tax expense (benefit) excluding discontinued operations.
State and Local Jurisdiction [Member]
State and Local Jurisdiction [Member]
Increased gross profit.
Increased Gross Profit
Increased gross profit
Long-Term Debt, Excluding Current Maturities, Total
LONG-TERM DEBT
Long-Term Debt, Excluding Current Maturities
Diluted earnings (loss) per share
Earnings per share, diluted
Diluted earnings (loss) per share
Earnings Per Share, Diluted
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Lessee, Operating Lease, Liability, to be Paid, Rolling Maturity [Abstract]
Owned Domestic Subsidiaries Percent
Owned Domestic Subsidiaries Percent
Owned domestic subsidiaries percent.
Document Fiscal Period Focus
Document Fiscal Period Focus
Cost of Goods and Services Sold, Total
Costs of contract revenues
Costs of contract revenues
COSTS OF CONTRACT REVENUES
Cost of Goods and Services Sold
Accounts receivable
Increase (Decrease) in Accounts Receivable
Revolving Credit Facility [Member]
Revolving Credit Facility [Member]
Valuation allowance
Deferred tax assets valuation allowance
Deferred Tax Assets, Valuation Allowance
Option Indexed to Issuer's Equity, Type
Option Indexed to Issuer's Equity, Type [Axis]
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.
Operating Lease, Liability, Total
Present value of minimum operating lease payments
Operating Lease, Liability
Nondeductible officer compensation
Income Tax Reconciliation Nondeductible Expense Officer Compensation
Income tax reconciliation nondeductible expense officer compensation.
Cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Principles of Consolidation and Basis of Presentation
Consolidation And Basis Of Accounting Policy [Text Block]
Consolidation and basis of accounting.
Amortization of deferred financing fees
Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense
Amortization of deferred financing cost and other non cash interest expense.
Statement of Financial Position [Abstract]
Entity File Number
Securities Act File Number
(Gain) loss on sale of assets
Gain (Loss) on Disposition of Assets for Financial Service Operations
Gain (Loss) on Disposition of Assets for Financial Service Operations, Total
Line of credit facility optional increase capacity
Line Of Credit Facility Optional Increase Capacity
Line of credit facility optional increase capacity.
Schedule of Discontinued Operations
Disposal Groups, Including Discontinued Operations [Table Text Block]
Statement of Cash Flows [Abstract]
Thereafter
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Availability under credit agreement suppressed
Line of Credit Facility, Current Borrowing Capacity
Private [Member]
Private [Member]
Private.
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Total
Net unrealized loss on derivatives, tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax
Building and Improvements [Member]
Building and Building Improvements [Member]
Proceeds from issuance of debt
Proceeds from Issuance of Debt
Retirement Plans
Retirement Benefits [Text Block]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
Geographical
Geographical [Domain]
Statistical Measurement
Statistical Measurement [Domain]
Statement of Stockholders' Equity [Abstract]
Auditor Location
Auditor Location
Vehicles, Dozers, And Other Light Operating Equipment And Systems [Member]
Vehicles Dozers And Other Light Operating Equipment And Systems [Member]
Vehicles, dozers, and other light operating equipment and systems
Sales [Member]
Revenue Benchmark [Member]
Operating lease liabilities
Operating lease liabilities
Deferred Tax Liabilities Operating Lease Assets
Deferred tax liabilities operating lease assets.
Schedule of Lease Costs
Lease, Cost [Table Text Block]
Schedule of Fair Value of Fuel Hedge Contracts Balance Sheet Location
Fair Value, by Balance Sheet Grouping [Table Text Block]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Reclassification out of Accumulated Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures, Total
Awards granted in period
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures
Weighted average remaining contractual term, vested as of December 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Exercise of stock options and purchases from employee stock plans
Proceeds from Stock Options Exercised
Domestic Rate [Member]
Domestic Rate [Member]
Domestic rate.
Deferred Income Tax Expense (Benefit), Total
Deferred income taxes
Deferred Income Tax Expense (Benefit)
Research costs
Deferred Tax Assets, Tax Credit Carryforwards, Research
Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total
Effect of stock options and restricted stock units
Weighted Average Number of Shares Outstanding, Diluted, Adjustment
DEFERRED INCOME TAXES
Deferred Income Tax Liabilities, Net
Schedule of Property Plant and Equipment
Property, Plant and Equipment [Table Text Block]
Income Taxes
Regulatory Income Taxes, Policy [Policy Text Block]
Deductions
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction
Revenue
Revenue from Contract with Customer [Text Block]
Cancellation of treasury stock, shares
Treasury Stock, Shares, Retired
Aggregate demolition surety performance bond
Loss Contingency, Damages Sought, Value
Proceeds from Legal Settlements
Proceeds from Legal Settlements
Revenue
Disposal Group, Including Discontinued Operation, Revenue
Line of credit facility, maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Subsegments
Subsegments [Axis]
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.
Total billings in excess of contract revenues
Billings in excess of contract revenues
Contract with Customer, Liability, Current
Loss Contingency, Nature
Loss Contingency, Nature [Domain]
Credit Facility
Credit Facility [Domain]
Weighted-average common shares outstanding — diluted
Diluted weighted average shares
Weighted Average Number of Shares Outstanding, Diluted
Nature of Business and Summary of Significant Accounting Policies
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
State income tax — net of federal income tax benefit
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Credit Facility
Credit Facility [Axis]
Total unrecognized compensation cost related to non-vested RSUs
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Beginning Balance
Ending Balance
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Annual retainer per non-employee director
Annual Retainer Per Non Employee Director
Annual retainer per non-employee director.
Current Fiscal Year End Date
Current Fiscal Year End Date
Net change in cash flow derivative hedges-net of tax
Net unrealized (gain) loss on derivatives-net of tax
Net change in cash flow derivative hedges—net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Depreciation, Total
Depreciation expense
Depreciation
Contract revenues in excess of billings
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.
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
Cash, cash equivalents and restricted cash at beginning of period
Cash, cash equivalents and restricted cash at end of period
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations
Repurchase of common stock, shares
Stock Repurchased During Period, Shares
OTHER
Other Assets, Noncurrent
Entity Address, Address Line One
Entity Address, Address Line One
Derivatives Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Summary of Revenues and Gross Profit from Foreign Project Operations
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Document Annual Report
Document Annual Report
Reclassification of derivative (gains) losses to earnings—net of tax
Reclassification of derivative (gains) losses to earnings net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
Supplemental Cash Flow Information
Supplemental Cash Flow Information [Abstract]
INCOME TAX (PROVISION) BENEFIT
Income tax (provision) benefit
Income Tax Expense (Benefit), Total
Income tax provision from continuing operations
Income Tax Expense (Benefit)
Borrowings under revolving loans
Proceeds from Long-Term Lines of Credit
Weighted average exercise price, forfeited or expired
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Changes in valuation allowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Income Taxes
Income Tax Disclosure [Text Block]
PROCEEDS FROM LOSS OF USE CLAIM
Proceeds From Loss Of Use Claim
Proceeds from loss of use claim.
Balance Sheet Location
Balance Sheet Location [Domain]
Other
Other Accrued Liabilities, Current
Payments to Acquire Property, Plant, and Equipment, Total
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Revenue, remaining performance obligation
Revenue, Remaining Performance Obligation, Amount
Income Tax Disclosure [Abstract]
Disaggregation of Revenue [Abstract]
Outstanding performance bonds
Outstanding Performance Bonds
Outstanding performance bonds.
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Axis]
Geographic Concentration Risk [Member]
Geographic Concentration Risk [Member]
Auditor Name
Auditor Name
Total operating income (loss)
Operating Income (Loss)
Debt instrument, interest rate, stated percentage
Debt Instrument, Interest Rate, Stated Percentage
Underlying equity awards issued
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period
Additional paid-in capital
Additional Paid in Capital, Common Stock
Concentration Risk Benchmark
Concentration Risk Benchmark [Domain]
Entity Filer Category
Entity Filer Category
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Option Indexed to Issuer's Equity, Type
Option Indexed to Issuer's Equity, Type [Domain]
Entity Current Reporting Status
Entity Current Reporting Status
Inventory, Net, Total
Inventories
Inventory, Net
Current state tax expense (benefit)
Current State and Local Tax Expense (Benefit)
Inventory, Noncurrent, Total
INVENTORIES—Noncurrent
Inventory, Noncurrent
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
Heavy Operating Equipment (Dredges And Barges) [Member]
Heavy Operating Equipment Dredges And Barges [Member]
Heavy operating equipment (dredges and barges)
Use of Equipment [Member]
Use Of Equipment [Member]
Use of equipment.
Aggregate intrinsic value, vested at December 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Line of credit facility suppressed capacity
Line Of Credit Facility Suppressed capacity,
Line of credit facility suppressed capacity.
Total equity
BALANCE - value
BALANCE - value
Stockholders' Equity Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent [Member]
2023
Long-Term Debt, Maturity, Year Two
Documents Incorporated by Reference
Documents Incorporated by Reference [Text Block]
Entity Tax Identification Number
Entity Tax Identification Number
Options forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Common stock-$.0001 par value; 90,000 authorized, 66,188 and 65,746 shares issued and outstanding at December 31, 2022 and December 31, 2021, respectively.
Common Stock, Value, Issued
Consolidation Items
Consolidation Items [Axis]
Retained Earnings (Accumulated Deficit), Total
Accumulated retained earnings
Retained Earnings (Accumulated Deficit)
Changes in unrecognized tax benefits
Income Tax Reconciliation Changes In Unrecognized Tax Benefits
Income tax reconciliation, changes in unrecognized tax benefits
Operating Equipment [Member]
Equipment [Member]
Equity Components
Equity Components [Axis]
Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Prepaid Expense, Current, Total
Prepaid expenses
Prepaid Expense, Current
Leases [Abstract]
Disaggregation Of Revenue [Table]
Disaggregation of Revenue [Table]
Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total
Accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Entity Emerging Growth Company
Entity Emerging Growth Company
OPERATING EXPENSES:
Operating Expenses [Abstract]
Completed contracts
Accounts Receivable Billed For Long Term Completed Contracts Or Programs
Accounts receivable billed for long term completed contracts or programs.
Fixed price range
Derivative, Swap Type, Fixed Price
Vested at December 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
Current federal tax expense (benefit)
Current Federal Tax Expense (Benefit)
Schedule of Accounts Receivable
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Adjustment to deferred tax depreciation
Income Tax Reconciliation Adjustment To Deferred Tax Depreciation
Income tax reconciliation adjustment to deferred tax depreciation.
Entity Voluntary Filers
Entity Voluntary Filers
Deferred federal tax expense (benefit)
Deferred Federal Income Tax Expense (Benefit)
Retirement Benefits [Abstract]
Document Transition Report
Document Transition Report
Valuation allowance for net operating loss carryforwards
Operating Loss Carryforwards, Valuation Allowance
Income (Loss) before Income Tax from Domestic and Foreign Operations
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
2024
Long-Term Debt, Maturity, Year Three
Weighted-average grant-date fair value, granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Foreign [Member]
Foreign [Member]
Foreign.
Total other expense
Nonoperating Income (Expense)
Options expected to vest at December 31, 2022
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.
Changes in Components of Accumulated Other Comprehensive Income (Loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Weighted average exercise price, exercised
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Foreign operations
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Deferred state tax expense (benefit)
Deferred State and Local Income Tax Expense (Benefit)
Energy
Energy [Domain]
Other comprehensive income (loss)-net of tax
Total other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Amortization of deferred financing fees
Amortization of Debt Issuance Costs
Net income (loss)
NET INCOME (LOSS)
Net income (loss)
Net income
Net Income (Loss) Attributable to Parent
Operating lease liabilities
Operating Lease, Liability, Current
Fair value hedge liabilities
Fair Value Hedge Liabilities
Additional Paid-In Capital [Member]
Additional Paid-in Capital [Member]
Taxes paid on settlement of vested share awards
Payment, Tax Withholding, Share-Based Payment Arrangement
Taxes Payable, Current, Total
Income and other taxes
Taxes Payable, Current
Revolving credit facility, maturity date
Line of Credit Facility, Expiration Date
Summary of Non-Vested Restricted Stock Units
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
Maturities of Long-Term Debt
Schedule of Maturities of Long-Term Debt [Table Text Block]
Exercise period
Share Based Compensation Arrangement By Share Based Payment Award Exercise Period
Share-based compensation arrangement by share-based payment award, exercise period.
Entity Registrant Name
Entity Registrant Name
Gross decreases — expirations
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
Cash and Cash Equivalents, at Carrying Value, Total
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Earnings Per Share
Earnings Per Share [Text Block]
Maturity date
Debt Instrument, Maturity Date
Share-Based Payment Arrangement, Noncash Expense, Total
Share-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
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.
Statement of Comprehensive Income [Abstract]
Property and equipment — net
PROPERTY AND EQUIPMENT—Net
Property, Plant and Equipment, Net
Award Type
Award Type [Domain]
Statement [Line Items]
Statement [Line Items]
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total
Share-based compensation, value
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
Non Qualified Stock Options (NQSO) [Member]
Non Qualified Stock Options [Member]
Non-qualified stock options.
Income (Loss) from discontinued operations, net of income taxes
Loss on discontinued operations, net of income taxes
Loss from discontinued operations, net of income taxes
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Title of 12(b) Security
Title of 12(b) Security
Insurance
Accrued Insurance, Current
Common Stock [Member]
Common Stock [Member]
Derivative notional amount
Derivative, Notional Amount
OPERATING ACTIVITIES:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Equity Component
Equity Component [Domain]
CONTRACT REVENUES
Contract revenues
Revenue from Contract with Customer, Excluding Assessed Tax
INCOME (LOSS) BEFORE INCOME TAXES
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Entity Address, State or Province
Entity Address, State or Province
Non-Employee Directors [Member]
Non Employee Directors [Member]
Non-employee directors.
2026
Lessee, Operating Lease, Liability, to be Paid, Year Four
Geographical
Geographical [Axis]
Loss before income taxes from discontinued operations
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax
Net (decrease) increase in cash, cash equivalents and restricted cash
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Document Type
Document Type
Federal NOLs and interest limitations
Deferred Tax Assets, Operating Loss Carryforwards, Domestic
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.
Research and development tax credits
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
Receivables [Abstract]
Daily LIBOR Rate [Member]
Daily L I B O R Rate [Member]
Daily LIBOR Rate.
Entity Shell Company
Entity Shell Company
Hedging Instruments
Derivatives, Policy [Policy Text Block]
Other noncurrent assets and liabilities
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net
Increase (Decrease) in Inventories, Total
Inventories
Increase (Decrease) in Inventories
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]
Accrued liabilities
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Proceeds from sale of historical environmental and infrastructure business
Proceeds from Divestiture of Businesses
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value, Recurring and Nonrecurring [Table]
Security Exchange Name
Security Exchange Name
Accounts receivable, gross
Accounts Receivable, before Allowance for Credit Loss
Revenue from Contract with Customer [Abstract]
Loss on disposal of assets held for sale
Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax
Cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Total unrecognized compensation cost, weighted-average period of recognition
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Weighted average remaining contractual term, outstanding at December 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Foreign currency exchange hedge contracts.
Foreign Currency Exchange Hedge Contracts [Member]
Foreign Currency Exchange Hedge Contracts [Member]
Commitments and Contingencies Disclosure [Abstract]
Performance obligations exclude from dredging backlog
Performance Obligations Exclude From Dredging Backlog
Performance obligations exclude from dredging backlog.
Amount related to shares used for tax withholding obligations
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation
Operating lease costs
Operating Lease, Cost
Billings In Excess Of Costs And Earnings [Member]
Billings In Excess Of Costs And Earnings [Member]
Billings in excess of costs and earnings.
Interest
Interest Payable, Current
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units (RSUs) [Member]
Schedule of Maturity Analysis of Operating Lease Liabilities
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Reconciliation of Unrecognized Tax Benefits
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Schedule Of Accounts Notes Loans And Financing Receivable [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Other Current and Noncurrent Assets [Member]
Other Current And Noncurrent Assets [Member]
Other current and noncurrent assets.
Treasury stock, at cost
Treasury Stock at Cost
Treasury stock, at cost.
Summary of Stock Option Activity
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Accounts Receivable
Receivable [Policy Text Block]
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Fine for violation
Fine For Violation
Fine for violation.
Level 2 [Member]
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Inputs, Level 2 [Member]
INVESTING ACTIVITIES:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Green loan advance rates.
Green Loan Advance Rates [Member]
Green Loan Advance Rates [Member]
Estimated Useful Lives By Class Of Assets
Estimated Useful Lives By Class Of Assets Table [Text Block]
Estimated useful lives by class of assets.
Gross increases — current period tax positions
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
COMMITMENTS AND CONTINGENCIES (Note 12)
Commitments and Contingencies
Common stock, shares issued
Common Stock, Shares, Issued
Receivable Type
Receivable Type [Axis]
Variable Rate
Variable Rate [Domain]
Change in fair value of derivatives—net of tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
Minimum [Member]
Minimum [Member]
Segments
Segments [Domain]
Operating loss carryforwards expiration year
Operating Loss Carryforwards Expiration Year
Operating loss carryforwards expiration year.
Total accrued expenses
Accrued expenses
Accrued Liabilities, Current
Debt Instrument
Debt Instrument [Axis]
EQUITY:
Stockholders' Equity Attributable to Parent [Abstract]
Treasury Stock [Member]
Treasury Stock [Member]
Construction Contractor, Receivable, Excluding Contract Retainage, after Year One, Total
Long-term contract revenues in excess of billings
Construction Contractor, Receivable, Excluding Contract Retainage, after Year One
Segments
Segments [Axis]
Current foreign tax expense (benefit)
Current Foreign Tax Expense (Benefit)
Weighted-average grant-date fair value, forfeited
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Award Type
Award Type [Axis]
Receivable
Receivable [Domain]
Weighted-average grant-date fair value, expected to vest at December 31, 2022
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.
Contracts in progress
Accounts Receivable Billed For Long Term Contracts Or Programs In Progress
Accounts receivable billed for long term contracts or programs in progress.
Debt Instrument, Fair Value Disclosure, Total
Fair value of debt
Debt Instrument, Fair Value Disclosure
Capital-Foreign [Member]
Capital Dredging Foreign [Member]
Capital dredging - Foreign.
Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Other income (loss)
Other Nonoperating Income (Expense), Total
Other expense
Other Nonoperating Income (Expense)
Discontinued Operations and Disposal Groups [Abstract]
OTHER EXPENSE:
Nonoperating Income (Expense) [Abstract]
Minimum lease payments
Lessee, Operating Lease, Liability, to be Paid
Schedule of Income tax Provision (Benefit)
Schedule Of Components Of Income Tax Expense Benefit From Continuing And Discontinued Operations Table [Text Block]
Schedule of components of income tax expense benefit from continuing and discontinued operations.
Gross decreases — tax positions in prior period
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
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.
Income tax benefit
Income tax benefit from discontinued operations
Discontinued Operation, Tax Effect of Discontinued Operation
Classification of Current Assets and Liabilities
Classification Of Current Assets And Liabilities Policies [Text Block]
Classification of current assets and liabilities.
Entity Central Index Key
Entity Central Index Key
State and Local Government [Member]
State And Local Government [Member]
State and local government.
Customer
Customer [Axis]
Restricted Cash Equivalents, Total
Restricted cash included in other long-term assets
Restricted Cash Equivalents
Disaggregation Of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Schedule Of Property Plant And Equipment [Table]
Property, Plant and Equipment [Table]
Long-lived assets, net book value
Long-Lived Assets
Consolidation Items
Consolidation Items [Domain]
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 Compensation
Share-Based Payment Arrangement [Text Block]
Minimum fixed charge coverage ratio per covenant
Minimum Fixed Charge Coverage Ratio per Covenant
Minimum fixed charge coverage ratio per covenant.
General and Administrative Expense, Total
GENERAL AND ADMINISTRATIVE EXPENSES
General and Administrative Expense
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Weighted average exercise price outstanding as of January 1, 2022
Weighted average exercise price outstanding as of December 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Debt Issuance Costs, Net, Total
Deferred financing fees
Debt Issuance Costs, Net
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]
Total lease cost
Lease, Cost
Operating lease liabilities arising from obtaining new operating lease assets
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Adjustments to reconcile net income (loss) to net cash flows provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Schedule II-Valuation and Qualifying Accounts
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Accumulated Retained Earnings (Deficit) [Member]
Retained Earnings [Member]
Total income (loss) before income
Total income (loss) before income
Income (Loss) from Equity Method Investments
Fixed price range
Derivative, Forward Price
Customer
Customer [Domain]
Loss related to the retirement of asset
Gain (Loss) on Disposition of Property Plant Equipment
Gain (Loss) on Disposition of Property Plant Equipment, Total
SOFR [Member]
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Current portion of contract revenues in excess of billings
Contract revenues in excess of billings
Construction Contractor, Receivable, Excluding Contract Retainage, Year One
Property, Plant and Equipment, Gross, Ending Balance
Property, Plant and Equipment, Gross, Beginning Balance
Property, Plant and Equipment, Gross, Total
Total property and equipment
Property, Plant and Equipment, Gross
Thereafter
Long-Term Debt, Maturity, after Year Five
2029 Notes [Member]
Two Thousand Twenty Nine Notes [Member]
2029 Notes.
Environmental and Infrastructure Segment [Member]
Environmental And Infrastructure Segment [Member]
Environmental and infrastructure segment.
Total accounts receivable—net
Accounts Receivable, after Allowance for Credit Loss
Entity Interactive Data Current
Entity Interactive Data Current
Entity Public Float
Entity Public Float
Operating equipment excluded from property and equipment held for sale
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment
Letters of credit outstanding
Letters of Credit Outstanding, Amount
8.000% Senior Notes Due in 2022 [Member]
Eight Percent Senior Notes Due In Two Thousand Twenty Two [Member]
Eight percent senior notes due in two thousand twenty two.
Costs And Earnings In Excess Of Billings [Member]
Costs And Earnings In Excess Of Billings [Member]
Costs and earnings in excess of billings.
Non-cash Investing and Financing Activities
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Operating loss carryforwards, limitations on use
Operating Loss Carryforwards, Limitations on Use
Reclassification out of Accumulated Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Middle East [Member]
Middle East [Member]
2023
Lessee, Operating Lease, Liability, to be Paid, Year One
Foreign NOLs
Deferred Tax Assets, Operating Loss Carryforwards, Foreign
Dredging [Member]
Dredging [Member]
Dredging.
Vesting of restricted stock units, including impact of shares withheld for taxes, value
Vesting Of Restricted Stock Units Value Including Impact Of Shares Withheld For Taxes
Vesting of restricted stock units value including impact of shares withheld for taxes.
Local Phone Number
Local Phone Number
U.S. federal statutory income tax rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Commitments And Contingencies [Line Items]
Commitments And Contingencies [Line Items]
Commitments and contingencies.
Unrecognized tax benefits — January 1
Unrecognized tax benefits — December 31,
Unrecognized Tax Benefits
Cash paid for interest
Interest Paid Net Of Cash Received
Interest paid net of cash received.
Contract reserves
Accrued Contract Reserves Liabilities Current
Accrued contract reserves liabilities current.
Computations for Basic and Diluted Earnings Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Additional annual retainer paid to non-employee director
Additional Annual Retainer Paid To Non Employee Director
Additional annual retainer paid to non employee director.
Debt Disclosure [Abstract]
Type of Customer [Member]
Type Of Customer [Member]
Type of customer.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Operating loss carryforwards indefinitely
Operating Loss Carryforwards indefinitely
Operating loss carryforwards indefinitely.
Maintenance [Member]
Maintenance Dredging [Member]
Maintenance dredging.
Summary of Type of Work and Customer, Contract Revenues
Disaggregation of Revenue [Table Text Block]
OTHER
Other Liabilities, Noncurrent
Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Type of Work [Member]
Type Of Work [Member]
Type of work.
2022
Long-Term Debt, Maturity, Year One
Property, Plant and Equipment [Abstract]
Options outstanding as of December 31, 2022
Options outstanding as of January 1, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Long term debt
Long-Term Debt
BALANCE - shares
BALANCE - shares
Shares, Outstanding
Letter of credit remaining borrowing capacity
Line of Credit Facility, Remaining Borrowing Capacity
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Supplemental Information Related to Leases
Supplemental Information Related To Leases Table [Text Block]
Supplemental information related to leases.
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Customer Concentration Risk [Member]
Customer Concentration Risk [Member]
Outstanding as of December 31, 2022
Outstanding as of January 1, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Debt Instrument, Name
Debt Instrument, Name [Domain]
Document Fiscal Year Focus
Document Fiscal Year Focus
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total
Interest and penalties recorded
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Repayments of debt
Repayments of Debt
Amortization on pre-contract and pre-construction costs
Capitalized Contract Cost, Accumulated Amortization
Vesting rights
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights
2024
Lessee, Operating Lease, Liability, to be Paid, Year Two
Basic earnings (loss) per share
Earnings per share, basic
Basic earnings (loss) per share
Earnings Per Share, Basic
Repayments of revolving loans
Repayments of Long-Term Lines of Credit
ASSETS
Assets [Abstract]
GROSS PROFIT
Gross Profit
Schedule of Long-Term Debt
Schedule of Long-Term Debt Instruments [Table Text Block]
Debt instrument, face amount
Debt Instrument, Face Amount
Interest expense—net
Interest Income (Expense), Nonoperating, Net
Crude Oil [Member]
Crude Oil [Member]
Long-Lived Tangible Asset
Long-Lived Tangible Asset [Axis]
Concentration Risk Benchmark
Concentration Risk Benchmark [Axis]
Derivative underlying hedge percent
Derivative Underlying Hedge Percent
Derivative underlying hedge percent.
LIABILITIES AND EQUITY
Liabilities and Equity [Abstract]
Land [Member]
Land [Member]
Income Taxes Paid, Net, Total
Cash paid for income taxes
Income Taxes Paid, Net
Accounts Notes And Loans Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Property, Plant and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Income Tax Authority
Income Tax Authority [Axis]
Total deferred tax assets
Deferred Tax Assets, Net of Valuation Allowance
Net income (loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Schedule of Additional Information Related to Leases
Schedule Of Additional Information Related To Leases Table [Text Block]
Schedule of additional information related to leases.
CURRENT ASSETS:
Assets, Current [Abstract]
Coastal Protection [Member]
Beach Nourishment Dredging [Member]
Beach nourishment dredging.
Cancellation of treasury stock, value
Treasury Stock, Retired, Cost Method, Amount
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.
Deferred Tax Assets (Liabilities)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Other liabilities
Deferred Tax Liabilities, Other
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Domain]
Amounts billed
Billings For Contracts In Progress
Billings for contracts in progress.
Gross increases — tax positions in prior period
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Expense for matching and discretionary contributions
Defined Contribution Plan, Employer Discretionary Contribution Amount
Payables and Accruals [Abstract]
Changes in assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Lease, Cost [Abstract]
Allowance for Doubtful Accounts [Member]
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Revolving credit facility
Line of Credit, Current
Domestic operations
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Cover [Abstract]
Derivative, Nonmonetary Notional Amount, Volume
Derivative, Nonmonetary Notional Amount, Volume
Concentration risk percentage
Concentration Risk, Percentage
Product and Service
Product and Service [Domain]
2027
Lessee, Operating Lease, Liability, to be Paid, Year Five
Options vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Commitments And Contingencies [Table]
Commitments And Contingencies [Table]
Commitments and contingencies.
Revolving credit facility
Long-Term Line of Credit, Noncurrent
Maximum [Member]
Maximum [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Fuel hedge contracts
Accrued Fuel Hedge Contracts Liabilities Current
Accrued fuel hedge contracts liabilities current.
Cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Furniture and Fixtures [Member]
Furniture and Fixtures [Member]
Exercised
Exercise of stock options and purchases from employee stock purchase plan, shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Warranty periods
Warranty Periods
Warranty periods.
2007 Long-Term Incentive Plan [Member]
Two Thousand Seven Long Term Incentive Plan [Member]
Two thousand seven long-term incentive plan.
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Inputs, Level 3 [Member]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Debt instrument, basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Deferred Tax Liabilities, Gross, Total
Total deferred tax liabilities
Deferred Tax Liabilities, Gross
Shares of common stock received by employee directors
Stock Issued During Period, Shares, Issued for Services
Accounts Receivable [Member]
Accounts Receivable [Member]
Exercise of stock options and purchases from employee stock purchase plan, value
Stock Issued During Period, Value, Stock Options Exercised
Aggregate intrinsic value of stock options exercised
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Useful life
Property, Plant and Equipment, Useful Life
Contributes to various multiemployer pension plans
Defined Contribution Plan, Cost
2017 Long-Term Incentive Plan [Member]
Two Thousand Seventeen Long Term Incentive Plan [Member]
Two thousand seventeen long-term incentive plan.
Fair value hedge assets
Asset derivatives
Fair Value Hedge Assets
Foreign Tax Authority [Member]
Foreign Tax Authority [Member]
Common stock, shares authorized
Common Stock, Shares Authorized
Depreciation and amortization
Deferred Tax Liabilities Depreciation And Amortization
Deferred tax liabilities, depreciation and amortization
Civil penalty
Civil Penalty
Civil penalty.
Quantity of oil spill
Quantity Of Oil Spill
Quantity of oil spill.
Trading Symbol
Trading Symbol
Adjustments Reclassified from Accumulated Balances Other Comprehensive Income (Loss) to Earnings
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Capital-U.S. [Member]
Capital Dredging U S [Member]
Capital dredging - U.S.
Defined Contribution Plan [Table]
Defined Contribution Plan [Table]
Accumulated Gain Loss Net Cash Flow Hedge Parent [Member]
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Potential liability for criminal matters
Potential Liability For Criminal Matters
Potential liability for criminal matters.
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Title of Individual
Title of Individual [Domain]
Total
Long Term Debt Current And Non Current Excluding Equipment Notes
Long term debt current and non current excluding equipment notes
Balance Sheet Location
Balance Sheet Location [Axis]
Comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Proceeds from Sale of Property, Plant, and Equipment, Total
Proceeds from dispositions of property and equipment
Proceeds from Sale of Property, Plant, and Equipment
Accounts Payable, Current, Total
Accounts payable
Accounts Payable, Current
Plan Name
Plan Name [Axis]
Title of Individual
Title of Individual [Axis]
Concentration Risk Type
Concentration Risk Type [Domain]
Costs and earnings for contracts in progress
Costs And Earnings For Contracts In Progress
Costs and earnings for contracts in progress.
Tax provision at statutory U.S. federal income tax rate
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Long-Lived Tangible Asset
Long-Lived Tangible Asset [Domain]
Common stock, par value
Common Stock, Par or Stated Value Per Share
Number of reportable segment with goodwill
Number Of Reportable Segments With Goodwill
Number of reportable segments with goodwill.
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
(GAIN) LOSS ON SALE OF ASSETS—Net
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Revenue From Contract With Customer [Line Items]
Revenue From Contract With Customer [Line Items]
Revenue from contract with customer line items.
Options granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Property and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Weighted average exercise price, granted
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Valuation Allowance for Deferred Tax Assets [Member]
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Long-Term Debt
Long-Term Debt [Text Block]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Stock options and restricted stock, excluded from computation of earnings per share
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
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.
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.