Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Property and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Costs and estimated earnings in excess of billings on uncompleted contracts Contract With Customer, Asset, Net, Current, Costs And Estimated Earnings In Excess Of Billings On Contracts Contract With Customer, Asset, Net, Current, Costs And Estimated Earnings In Excess Of Billings On Contracts Award Timing Predetermined Award Timing Predetermined [Flag] Remainder of 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Gross carrying amount Intangible Assets, Gross (Excluding Goodwill) Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Effective tax rate Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent Gross profits from acquired companies Business Combinations, Contingent Consideration, Gross Profits Of Acquiree, Threshold Amount Business Combinations, Contingent Consideration, Gross Profits Of Acquiree, Threshold Amount Goodwill fully deductible for tax purposes Business Combination, Goodwill, Expected Tax Deductible, Amount Entity File Number Entity File Number Additional paid-in capital Additional Paid-in Capital [Member] Other Noncurrent Assets Other Noncurrent Assets [Member] Interest Rate Swap Interest Rate Swap [Member] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current [Abstract] Weighted average lease term (in years): Weighted Average Lease Term [Abstract] Weighted Average Lease Term Maximum contribution amount Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Amount Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Amount Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] Earnings per common share: EPS: Earnings Per Share, Basic [Abstract] 2030 Lessor, Operating Lease, Payment to be Received, Year Four Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accounts payable, including retainage Increase (Decrease) in Accounts Payable SOFR Secured Overnight Financing Rate (SOFR) [Member] Contract assets, net Total contract assets, net Contract with Customer, Asset, after Allowance for Credit Loss, Current Goodwill [Line Items] Goodwill [Line Items] Tax withholding related to vested restricted stock units Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in usd per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Fair value of liabilities assumed: Liabilities, Fair Value Disclosure [Abstract] Entity Addresses, Address Type [Axis] Entity Addresses, Address Type [Axis] Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Consideration: Business Combination, Consideration Transferred [Abstract] Stock, Class of Stock [Table] Stock, Class of Stock [Table] Schedule of Condensed Consolidated Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Shares issued related to employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Shares issued related to vested restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Remaining performance obligations, amount Revenue, Remaining Performance Obligation, Amount Right of use assets disposed or adjusted modifying finance lease liabilities Right-Of-Use Asset Disposed Or Adjusted Modifying Finance Lease Liability Right-Of-Use Asset Disposed Or Adjusted Modifying Finance Lease Liability Adjustment to Compensation, Amount Adjustment to Compensation Amount Less - Unamortized discount and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Revenue, remaining performance obligations, percentage Revenue, Remaining Performance Obligation, Percentage Schedule of Fair Value Measurements, Nonrecurring Fair Value Measurements, Nonrecurring [Table Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Non-cash stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense 2029 Finance Lease, Liability, to be Paid, Year Three Net amount of unresolved change orders and claims Net Amount Of Unresolved Change Orders And Claims This element represents the net amount of unresolved change orders and claims. Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Change in costs and estimated earnings in excess of billings on uncompleted contracts Increase (Decrease) In Costs and Estimated Earnings In Excess Of Billings On Contracts Increase (Decrease) In Costs and Estimated Earnings In Excess Of Billings On Contracts GCR GCR General Contractor (Construction Manager) Relationships Segment [Member] General Contractor (Construction Manager) Relationships Segment Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Maximum outstanding borrowings during the period Line of Credit Facility, Maximum Amount Outstanding During Period Surety Bond Surety Bond [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Current assets: Assets, Current [Abstract] Total liabilities and stockholders’ equity Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Former Address Former Address [Member] Schedule of Leases Supplemental Cash Flow Information Supplemental Cash Flow Information Related To Leases [Table Text Block] Supplemental Cash Flow Information Related To Leases [Table Text Block] Real Estate Leases Real Estate Leases [Member] Real Estate Leases LIABILITIES Liabilities and Equity [Abstract] Level II Level Two [Member] Cover [Abstract] Total Cash and Cash Equivalents, Fair Value Disclosure Finance leases, interest rate (as a percent) Lessee, Finance Lease, Discount Rate Maximum Maximum [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Net intangible assets, excluding goodwill Finite-Lived Intangible Assets, Net Accrued taxes payable Increase (Decrease) in Property and Other Taxes Payable Schedule of Future Minimum Commitment for Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Advances from joint ventures Proceeds from Collection of Advance to Affiliate Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Treasury stock, at cost Treasury Stock, Common [Member] Fair value of awards vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value PRSUs Performance Based Restricted Stock Units [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Payment to acquire workers' compensation and general liability insurance Payment To Acquire Workers' Compensation And General Liability Insurance This element represent that amount of workers' compensation and general liability insurance purchased by company. Pre-defined metric target, (percent) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Performance Factor Adjustment, Percent Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Performance Factor Adjustment, Percent Net present value of minimum lease payments Operating Lease, Liability Operating lease, accumulated amortization Operating Lease, Right-Of-Use Asset, Accumulated Amortization Operating Lease, Right-Of-Use Asset, Accumulated Amortization Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Total minimum lease payments Lessor, Operating Lease, Payment to be Received Acquisitions Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Finance lease cost, amortization, cost of revenue Finance Lease, Right-of-Use Asset, Amortization Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Weighted average annual interest rate (as a percent) Long-Term Debt, Weighted Average Interest Rate, over Time Other long-term liabilities Other Liabilities, Noncurrent Financing interest expense Sales Leaseback Transaction, Financing Interest Expense Sales Leaseback Transaction, Financing Interest Expense Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Measurement Period Adjustments, Total Consideration Business Combination, Provisional Information, Initial Accounting Incomplete, Payments to Acquire Business, Consideration Transferred Business Combination, Provisional Information, Initial Accounting Incomplete, Payments to Acquire Business, Consideration Transferred Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Unaudited Interim Financial Information Unaudited Interim Financial Information [Policy Text Block] Disclosure of accounting policy regarding unaudited interim financial information. Less - Current portion of long-term debt Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Lease Type [Domain] Lease Type [Domain] [Domain] for Lease Type [Axis] Name Measure Name Sublimit for Letters of Credit Letter of Credit [Member] Wintrust Revolving Loans Wintrust Revolving Loan [Member] Wintrust Revolving Loan Current operating lease liabilities Less: current portion of finance and operating lease obligations Operating Lease, Liability, Current Finance lease cost, interest expense, net Finance Lease, Interest Expense Class of Stock [Line Items] Class of Stock [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Measurement Period Adjustments, Cash Business Combination, Provisional Information, Initial Accounting Incomplete, Payments to Acquire Business, Gross Business Combination, Provisional Information, Initial Accounting Incomplete, Payments to Acquire Business, Gross Award Timing Method Award Timing Method [Text Block] Performance factor (percent) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Performance Factor, Actual Amount Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Performance Factor, Actual Amount Award Type [Axis] Award Type [Axis] Schedule of Supplemental Balance Sheets Information Assets And Liabilities Lessee [Table Text Block] Assets and Liabilities Lessee [Table Text Block] Wintrust Revolving Loans Wintrust revolving loans Debt outstanding Long-Term Debt Total assets Assets Industrial Air Transaction Industrial Air Transaction [Member] Industrial Air Transaction Schedule of Nonvested Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Trading Symbol Trading Symbol 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four ODR Owner Direct Relationships Segment [Member] Owner Direct Relationships Segment Vested (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Contract assets and contract liabilities, net Increase (Decrease) In Contract With Customer, Assets and Liabilities Increase (Decrease) In Contract With Customer, Assets and Liabilities Termination fee Sale and Leaseback Transaction, Lease Agreement, Termination Fee Sale and Leaseback Transaction, Lease Agreement, Termination Fee Schedule of Definite-Lived and Indefinite-Lived Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Number of stock issued (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Accrued expenses and other current liabilities Accrued Liabilities and Other Liabilities Sale leaseback transaction, annual minimum rent Sale Leaseback Transaction, Annual Minimum Rent Sale Leaseback Transaction, Annual Minimum Rent Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Finance Finance Lease, Weighted Average Discount Rate, Percent Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units Restricted Stock Units (RSUs) [Member] Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Number of earnout tranches Business Combination, Consideration, Number Of Earnout Payments Business Combination, Consideration, Number Of Earnout Payments Trade name, trademarks and intellectual property Trade Name, Trademarks and Intellectual Property [Member] Trade Name, Trademarks and Intellectual Property Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total Consideration Business Combination, Consideration Transferred Fair value of assets acquired: Assets, Fair Value Disclosure [Abstract] Backlog Order or Production Backlog [Member] Entity Emerging Growth Company Entity Emerging Growth Company 2027 Finance Lease, Liability, to be Paid, Year One Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Finance Finance Lease, Weighted Average Remaining Lease Term Senior Leverage ratio covenant [Axis] Senior Leverage Ratio Covenant [Axis] Right of use assets obtained in exchange for new operating lease liabilities Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Amount attributable to assets acquired Business Combination, Recognized Asset Acquired, Asset Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Operating lease liabilities Increase (Decrease) In Operating Lease Liabilities Increase (Decrease) In Operating Lease Liabilities Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Earnout period Business Combination, Contingent Consideration, Earnout Period Business Combination, Contingent Consideration, Earnout Period Gross carrying amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Business Combination [Domain] Business Combination [Domain] Operating Lease Obligations Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Provisions for losses Contract with Customer, Asset, Allowance for Credit Loss Financing Component Finance Lease, Liability, Undiscounted Excess Amount Maximum contribution percentage Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Percentage Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Percentage Common stock, shares, outstanding (in shares) Common Stock, Shares, Outstanding Remainder of 2026 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Offering period Share-Based Compensation Arrangement By Share-based Payment Award, Offering Period Share-Based Compensation Arrangement By Share-based Payment Award, Offering Period Schedule of Income Tax Provision (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Plan Name [Axis] Plan Name [Axis] Document Information [Table] Document Information [Table] PEO PEO [Member] Lease Contractual Term [Domain] Lease Contractual Term [Domain] Number of employees Entity Number of Employees Accrued income taxes Accrued Income Taxes, Current Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Earn Out Payment Two Earn Out Payment Two [Member] Earn Out Payment Two Retained earnings Retained Earnings [Member] Jay A. Sharp [Member] Jay A. Sharp Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Net intangible assets, excluding goodwill Intangible Assets Amortized Excluding Goodwill The amount of Intangible Assets Amortized Excluding Goodwill Retainage receivable, net Contract With Customer Asset, Net, Current, Retainage Receivable Contract With Customer Asset, Net, Current, Retainage Receivable Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax benefit Income tax benefit Income Tax Expense (Benefit) Basis spread over variable rate (as a percent) Applicable Margin for Loans (as a percent) Debt Instrument, Basis Spread on Variable Rate Document Information [Line Items] Document Information [Line Items] Intangible assets, net Total amortized and unamortized assets, excluding goodwill Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Lease agreement, renewal term Sales Leaseback Transactions, Lessee, Finance Lease, Renewal Term Sales Leaseback Transactions, Lessee, Finance Lease, Renewal Term Total debt Long-Term Debt, Gross And Lease Obligation Long-Term Debt, Gross And Lease Obligation Prime Rate Prime Rate [Member] Measurement Period Adjustment, Amount attributable to liabilities assumed Goodwill, Measurement Period Adjustment, Amount Attributable To Liabilities Assumed Goodwill, Measurement Period Adjustment, Amount Attributable To Liabilities Assumed 2029 Lessor, Operating Lease, Payment to be Received, Year Three Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Earnout payments Liabilities, Fair Value Disclosure Business Combination [Table] Business Combination [Table] Notional amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Acquisition-related retention expense and contingent consideration Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease and Retention Bonus Expense Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease and Retention Bonus Expense Other current assets Increase (Decrease) in Other Current Assets Wintrust Revolving Loans A&R Wintrust Revolving Loan [Member] A&R Wintrust Revolving Loan Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Goodwill, acquired during period Goodwill associated with acquisition Goodwill, Acquired During Period City Area Code City Area Code Consolidated Mechanical Transaction, measurement period adjustment Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Earn Out Payment One Earn Out Payment One [Member] Earn Out Payment One Costs and estimated earnings in excess of billings on uncompleted contracts Costs In Excess Of Billings And Estimated Earnings On Uncompleted Contracts Costs In Excess Of Billings And Estimated Earnings On Uncompleted Contracts Unvested at beginning of period (in shares) Unvested at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Proceeds from Wintrust Revolving Loan Proceeds from Long-Term Lines of Credit Schedule of Components of Contract Asset and Liability Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash (used in) provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Preferred stock, par or stated value per share (in usd per shares) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Total lease cost Lease, Cost Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Other current assets Business Combination, Recognized Asset Acquired, Other Asset, Current Total liability Other Liabilities Cost of revenue Cost of Sales [Member] Goodwill Beginning Balance Ending Balance Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Lease Costs, Lease Terms and Discount Rates Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Schedule of Applicable Margin and Fees Payable Senior Leverage ratio covenant [Table Text Block] Tabular disclosure of debt instrument related to Senior Leverage ratio covenant. 2030 Finance Lease, Liability, to be Paid, Year Four Lease Contractual Term [Axis] Lease Contractual Term [Axis] EPS numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Number of offices Number of Offices Number of Offices Current liability — workers’ compensation and general liability Workers' Compensation Liability, Current Billings in excess of costs and estimated earnings on uncompleted contracts, net Billings In Excess Of Billings And Estimated Earnings On Uncompleted Contracts Billings In Excess Of Billings And Estimated Earnings On Uncompleted Contracts Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Non-current liability Accounts Payable and Accrued Liabilities, Noncurrent Number of reportable segments Number of Reportable Segments Kent Island Kent Island [Member] Kent Island Accounts receivable Business Combination, Recognized Asset Acquired, Receivable, Current Other Performance Measure, Amount Other Performance Measure, Amount Contract liabilities Contract with Customer, Liability [Abstract] Entity Address, State or Province Entity Address, State or Province Payments on finance leases Finance Lease, Principal Payments Operating Lease Operating Lease [Member] Operating Lease [Member] Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] A&R Wintrust Term Loan - term loan payable in quarterly installments of principal, (commencing in December 2021) plus interest through February 2026 Wintrust Term Loan [Member] Wintrust Term Loan Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] 2027 Lessor, Operating Lease, Payment to be Received, Year One Billings in excess of costs and estimated earnings on uncompleted contracts, net Billings In Excess Of Costs And Estimated Earnings On Contracts Uncompleted Contracts Amount of liability attributable to billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts and billings in excess of estimated earnings on contracts. Total lease assets Lease, Right-Of-Use Asset Lease, Right-Of-Use Asset Total current liabilities Liabilities, Current Total lease liabilities Lease, Liability Lease, Liability Purchase of property under sale and leaseback transaction Sale Leaseback Transaction, Net Book Value Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Sublease Receipts Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract] Leases Lessee, Finance Leases [Text Block] Thereafter Lessor, Operating Lease, Payment to be Received, after Year Four Lessor, Operating Lease, Payment to be Received, after Year Four Right of use assets obtained in exchange for new finance lease liabilities Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Other current assets Other Assets, Current Overnight repurchase agreements Overnight Repurchase Agreements [Member] Overnight Repurchase Agreements Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Revenue, remaining performance obligations, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Income tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Discount rate Sale Leaseback Transaction, Discount Rate Sale Leaseback Transaction, Discount Rate Operating lease cost Operating Lease, Cost Plan Name [Domain] Plan Name [Domain] Weighted average period to recognize share-based costs Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Valuation allowance Deferred Tax Assets, Valuation Allowance Equity [Abstract] Revenue from Contract with Customers Revenue from Contract with Customer [Policy Text Block] Pontiac Facility Building [Member] Business Combination, Contingent Consideration, Type [Axis] Business Combination, Contingent Consideration, Type [Axis] Operating Segments Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] Second IA Earnout Period Second IA Earnout Period [Member] Second IA Earnout Period 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] Current portion of long-term debt Long-Term Debt and Lease Obligation, Current Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Contingent consideration, liability Contingent consideration, liability Business Combination, Contingent Consideration, Liability 2028 Finance Lease, Liability, to be Paid, Year Two Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Finance lease, accumulated amortization Finance Lease, Right-of-Use Asset, Accumulated Amortization Amortization of intangibles Amortization of Intangible Assets Selling, general and administrative Selling, General and Administrative Expense Restricted cash Restricted cash Restricted Cash and Cash Equivalent, Current Deferred tax asset Deferred Income Tax Assets, Net Financing liability, net of issuance costs Sales Leaseback Transaction, Finance Lease, Liability, Net Sales Leaseback Transaction, Finance Lease, Liability, Net Depreciation and amortization Depreciation, Depletion and Amortization Other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key Contract assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Contract With Customer, Asset Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Contract With Customer, Asset PEO Name PEO Name Below-market lease Below Market Lease, Net Revenue Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Supplemental disclosures of cash flow information Supplemental Cash Flow Elements [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolving Credit Facility [Member] Finance leases – collateralized by vehicles, payable in monthly installments of principal, plus interest ranging from 4.40% to 8.60% through 2031 Net present value of minimum lease payments Finance Lease, Liability Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Office Building Office Building [Member] Contract liabilities, net Total contract liabilities, net Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Unrecognized share-based costs Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Subsequent Event Type [Axis] Subsequent Event Type [Axis] Discount percentage from market price, beginning of purchase period Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Purchase Date Management Incentive Plans Share-Based Payment Arrangement [Text Block] Measurement Period Adjustments, Contract assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Contract Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Contract Assets Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Sublease annual base rent increase percentage Lessor, Operating Lease, Annual Base Rent Increase, Percentage Lessor, Operating Lease, Annual Base Rent Increase, Percentage ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Average daily balance of borrowings outstanding Long-Term Line Of Credit, Average Daily Balance Long-Term Line Of Credit, Average Daily Balance Underlying Security Market Price Change Underlying Security Market Price Change, Percent Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Debt Instrument [Axis] Debt Instrument [Axis] Accrued expenses and other current liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Accrued Liabilities And Other Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Noncurrent Liabilities, Accrued Liabilities And Other Forfeited (usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Gross carrying amount Finite-Lived Intangible Assets, Gross STOCKHOLDERS’ EQUITY Equity, Attributable to Parent [Abstract] Level I Level One [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Accounts receivable, allowance for credit loss, current Accounts Receivable, Allowance for Credit Loss, Current Net underbilling Net (Under) Over billing On Contracts The amount of Asset or liability for net Under Over billings on the contracts. Long-term operating lease liabilities Long-term finance and operating lease obligations Operating Lease, Liability, Noncurrent Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Service-based RSUs Service-Based Restricted Stock Units (RSUs) [Member] Service-Based Restricted Stock Units (RSUs) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Senior Leverage ratio covenant [Domain] Senior Leverage Ratio Covenant [Domain] Title of Individual [Domain] Title and Position [Domain] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Document 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[Member] Second Kent Island Earnout Period Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Performance factor adjustment (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Performance Factor Adjustment Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Performance Factor Adjustment Operating Operating Lease, Weighted Average Discount Rate, Percent Business combination, acquiree's revenue Business Combination, Acquiree's Revenue since Acquisition Date, Actual Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted average 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