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Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equipment Restricted Assets Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Net income (loss) Business Acquisition, Pro Forma Net Income (Loss) Total assets Total assets Assets Cash flow hedge derivatives, liabilities Derivative Liability, Fair Value, Gross Asset Estimated Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Weighted average remaining contractual term, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Plan Name [Domain] Plan Name [Domain] Non-current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Document Fiscal Period Focus Document Fiscal Period Focus Deferred income taxes Deferred income tax benefit Deferred Income Tax Expense (Benefit) Document Type Document Type Other changes in valuation allowance, including the federal rate change in fiscal year 2017 Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Including Federal Rate Change, Amount Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance Including Federal Rate Change, Amount SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Entity Tax Identification Number Entity Tax Identification Number Weighted average interest rate Derivative, Average Fixed Interest Rate Interest rate swap amounts reclassified into interest expense Other comprehensive loss, reclassification adjustment from AOCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Fiscal year ending December 31, 2024 Finance Lease, Liability, Payments, Due Year Five Estimated possible loss Loss Contingency, Estimate of Possible Loss LEASES Lessee, Operating Leases [Text Block] Deductible stock awards Effective Income Tax Rate Reconciliation, Deductible Stock Awards Effective Income Tax Rate Reconciliation, Deductible Stock Awards Other expense (income): Nonoperating Income (Expense) [Abstract] Total operating expenses Costs and Expenses Goodwill [Roll Forward] Goodwill [Roll Forward] Entity Interactive Data Current Entity Interactive Data Current Benefit for income taxes Benefit for income taxes Benefit for income taxes Income Tax Expense (Benefit) Employment Contracts Employment Contracts [Member] Payments on landfill operating lease contracts Payments For Landfill Operating Lease The cash outflow associated with landfill operating agreements consisting of up-front or one-time payments, future minimum rental payments, including success/expansion fees, other direct costs and capping, closure and post closure costs. 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Amortization of intangibles Deferred Tax Liabilities, Intangible Assets Fair value of debt Debt Instrument, Fair Value Disclosure Landfill Landfill Revenue [Member] Landfill Revenue [Member] Tax provision (benefit) Employee Service Share Based Compensation Tax Provision From Exercise Of Stock Options Employee Service Share Based Compensation Tax Provision From Exercise Of Stock Options Transportation Transportation [Member] Transportation [Member] Disposal Solid Waste Operations Disposal [Member] Solid Waste Operations Disposal [Member] Processing Solid Waste Operations Processing [Member] Solid Waste Operations Processing [Member] Summary of Revenue Attributable to Services Provided by Company Revenue from External Customers by Products and Services [Table Text Block] Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Letter of Credit Letter of Credit [Member] New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014 ("New York Bonds 2014") due December 2044 - fixed rate interest period through 2029; bearing interest at 2.875% Revenue Bonds Series Two Thousand Fourteen Due Two Thousand Forty Four [Member] Revenue Bonds Series Two Thousand Fourteen Due Two Thousand Forty Four [Member] Revisions in estimates Asset Retirement Obligation, Revision of Estimate Property, plant and equipment, net Property, plant and equipment and finance lease right-of-use asset, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Attainment level percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Net income (loss) Net income (loss) Net Income (Loss) Attributable to Parent Forfeited or expired (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Other Deferred Tax Assets, Other QUARTERLY FINANCIAL INFORMATION (UNAUDITED) Quarterly Financial Information [Text Block] Lease Accounting Lessee, Leases [Policy Text Block] Customer Solutions Other Other Segments [Member] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Forecast Forecast [Member] Schedule of Unaudited Pro forma Combined Information Business Acquisition, Pro Forma Information [Table Text Block] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Contingent liability term Multiemployer Plans, Withdrawal Obligation, Contingent Liability Term Multiemployer Plans, Withdrawal Obligation, Contingent Liability Term Facility term Debt Instrument, Term Deductions—bad debts written off, net of recoveries SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Total fair value of other stock awards vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Fiscal year ending December 31, 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three Capital Leased Assets [Line Items] Capital Leased Assets [Line Items] Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Performance Stock Units Performance Stock Unit [Member] Performance stock unit. Refinanced Revolving Credit Facility Revolving Credit Facility due October 2021 [Member] Revolving Credit Facility due October 2021 [Member] Legal and transaction costs Legal Fees Cash flow hedge derivatives, assets Derivative Asset, Fair Value, Gross Asset Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015 (FAME Bonds 2015R-1) Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015 (FAME Bonds 2015R-1) [Member] Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015 (FAME Bonds 2015R-1) Options vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Federal Domestic Tax Authority [Member] Non-cash expense from acquisition activities and other items Non-Cash Expense From Acquisition Activities and Other Items The aggregate amount of noncash expense associated with acquisition activities and other items recognized during the accounting period that are not disclosed separately. Generally, these items are either unusual or infrequent, but not both. Deferred tax expense (benefit) due to Tax Cuts and Jobs Act Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Deferred Tax Income Tax Expense (Benefit) Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Deferred Tax Income Tax Expense (Benefit) Current Current State and Local Tax Expense (Benefit) Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Revenues Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Eliminations Consolidation, Eliminations [Member] Asset impairment charge Impairment of Long-Lived Assets to be Disposed of Segment Reporting [Abstract] Segment Reporting [Abstract] Tax at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Maximum match per employee per calendar year Defined Contribution Plan, Employer Maximum Contribution Per Employee Per Year, Amount Defined Contribution Plan, Employer Maximum Contribution Per Employee Per Year, Amount Basic earnings (loss) per common share: Net Income (Loss) Attributable to Parent [Abstract] Other comprehensive (loss) income Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Additional revolver capacity Additional Revolver Capacity Amount of additional optional borrowing capacity under the credit facility. Deferred Deferred Federal Income Tax Expense (Benefit) Earnings per Share Earnings Per Share, Policy [Policy Text Block] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Related Party [Domain] Related Party [Domain] Litigation Case [Axis] Litigation Case [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Diluted earnings (loss) per common share (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Proceeds from debt borrowings Proceeds from Issuance of Long-term Debt and Capital Securities, Net Earnings Per Share [Abstract] Earnings Per Share [Abstract] Revenue Recognition Revenue [Policy Text Block] Interest expense on long-term debt and finance leases Interest Expense, Debt, Excluding Amortization Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Retirement Benefits [Abstract] Retirement Benefits [Abstract] Security Exchange Name Security Exchange Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Uncertain tax positions, accrued interest Unrecognized Tax Benefits, Interest on Income Taxes Accrued Entity Address, Address Line One Entity Address, Address Line One Less discount, net Accrual for Environmental Loss Contingencies, Discount CURRENT ASSETS: Assets, Current [Abstract] Client Lists Customer Lists [Member] Fixed lease cost Operating Lease, Cost Issuances of Class A common stock (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Credit Facility [Axis] Credit Facility [Axis] New England Teamsters and Trucking Industry Pension Fund New England Teamsters and Trucking Industry Pension Fund [Member] New England Teamsters and Trucking Industry Pension Fund [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Number of acres composing solid waste transfer station (in acres) Scrap Yard And Solid Waste Transfer Station Acreage of scrap yard owned by WSI. Covenants Not-to-Compete Noncompete Agreements [Member] EARNINGS PER SHARE Earnings Per Share [Text Block] Supplemental Disclosures of Cash Flow Information: Supplemental Cash Flow Elements [Abstract] Business Combinations Business Combinations Policy [Policy Text Block] Western Western Region [Member] Western region. Restricted Stock, Restricted Stock Units and Performance Stock Units Restricted Stock Restricted Stock Units And Performance Stock Units [Member] Restricted stock, restricted stock units and performance stock units. Expense from acquisition activities and other items Expense From Acquisition And Financing Costs And Other Items The aggregate amount of expense associated with acquisition activities and other items recognized during the accounting period that are not disclosed separately. Generally, these items are either unusual or infrequent, but not both. Maximum Maximum [Member] Schedule of Benefit for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Title of 12(b) Security Title of 12(b) Security Schedule of Reconciliation of Gross Unrecognized Tax Benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Acquisitions Goodwill, Acquired During Period Contingent Liabilities and Legal Proceedings Commitments and Contingencies, Policy [Policy Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Other Commitments [Line Items] Other Commitments [Line Items] Landfill post-closure cost Asset Retirement Obligation, Cash Paid to Settle Income Statement Location [Domain] Income Statement Location [Domain] New Hampshire Bonds New Hampshire Bonds [Member] New Hampshire Bonds [Member] Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] Bonds Bonds [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Unrealized (loss) gain resulting from changes in fair value of derivative instruments Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, before Tax Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Surety bond Surety Bonds Amount of surety bonds that are available for the future payment of landfill capping, closure and post-closure obligations. Outstanding common stock percentage Investment Ownership Percentage Investment ownership percentage Rolling stock Rolling Stock [Member] Rolling Stock [Member] Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Additional Paid-In Capital Additional Paid-in Capital [Member] Public Stock Offering Public Stock Offering [Member] Public Stock Offering [Member] Shares to be issued - acquisition (in shares) Weighted Average Number of Shares, Contingently Issuable Common stock, outstanding shares Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Income Taxes Income Tax, Policy [Policy Text Block] 2016 Incentive Plan 2016 Incentive Plan [Member] 2016 Incentive Plan Goodwill Excess purchase price to be allocated to goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Secured Debt Secured Debt [Member] Less: capitalized interest Interest Costs Capitalized Adjustment Operating expenses: Costs and Expenses [Abstract] Fiscal year ending December 31, 2020 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Weighted average remaining contractual term, unvested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Remaining Contractual Term Solid Waste Collection Business Solid Waste Collection Business [Member] Solid Waste Collection Business [Member] Remaining capacity Line of Credit Facility, Remaining Borrowing Capacity Schedule of Multiemployer Plans [Table] Schedule of Multiemployer Plans [Table] Weighted average interest rate Debt, Weighted Average Interest Rate Cash Flows from Investing Activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Fiscal year ending December 31, 2022 Lessee, Operating Lease, Liability, Payments, Due Year Three Gross receivables from contracts Contract with Customer, Asset, Gross, Current Current maturities of debt Less—current maturities of debt Long-term Debt and Lease Obligation, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Weighted-average discount rate - operating leases Operating Lease, Weighted Average Discount Rate, Percent Measurement Input Type [Domain] Measurement Input Type [Domain] Major Property Class [Axis] Major Property Class [Axis] Multiemployer pension plan withdrawal obligation, undiscounted Multiemployer Plans, Withdrawal Obligation, Undiscounted Multiemployer Plans, Withdrawal Obligation, Undiscounted Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Cash Flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Hedging activity: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax [Abstract] Transfer Stations Acquisition Transfer Stations Acquisition [Member] Transfer Stations Acquisition [Member] Financing cash flows for finance leases Finance Lease, Principal Payments Multiemployer pension plan withdrawal obligation Multiemployer Plans, Withdrawal Obligation BUSINESS COMBINATIONS Business Combination Disclosure [Text Block] Balance at beginning of period Balance at end of period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Entity Public Float Entity Public Float Class B Common Stock Common Class B [Member] Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Multiemployer Plans Type [Domain] Multiemployer Plans Type [Domain] Stock-based compensation expense Share-based Payment Arrangement, Expense Automobile Plan Automobiles [Member] Net deferred tax asset Net deferred tax asset Deferred Tax Assets, Net Cost method investments Investments and Other Noncurrent Assets Consolidation Items [Domain] Consolidation Items [Domain] Notional amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Preferred stock authorized to issue (up to) (in shares) Preferred Stock, Shares Authorized Deferred income taxes Deferred Income Tax Assets, Net Business Acquisition [Axis] Business Acquisition [Axis] Prepaid expenses Prepaid Expense, Current New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2014R-2 ("New York Bonds 2014R-2") due December 2044 - fixed rate interest period through 2026; bearing interest at 3.125% Revenue Bond Series Two Thousand Fourteen R Two Due Two Thousand Forty Four [Member] Revenue Bond Series Two Thousand Fourteen R Two Due Two Thousand Forty Four [Member] Multiemployer Plan Type [Axis] Multiemployer Plan Type [Axis] Casella Waste Systems, Inc. stockholders' equity (deficit): Stockholders' Equity Attributable to Parent [Abstract] Net leverage ratio Debt Instrument, Covenant Compliance, Net Leverage Ratio Debt Instrument, Covenant Compliance, Net Leverage Ratio Estimate of inflation rate Inflation Rate Estimated inflation rate. OTHER ITEMS AND CHARGES Unusual or Infrequent Items, or Both, Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Measurement Input Type [Axis] Measurement Input Type [Axis] Summary of Financial Information by Reportable Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Other non-current assets Other Assets, Noncurrent Entity Current Reporting Status Entity Current Reporting Status Fiscal year ending December 31, 2023 Accrual for Environmental Loss Contingencies, Undiscounted, Fourth Year Diluted earnings (loss) per common share (in dollars per share) Earnings Per Share, Diluted Maximum matching contribution per dollar per employee contribution Defined Contribution Plan, Maximum Employer Match Per Employee, Per Dollar Contribution Defined Contribution Plan, Maximum Employer Match Per Employee, Per Dollar Contribution SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Accumulated other comprehensive loss, interest rate swaps, tax provision Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, Tax Accumulated other comprehensive loss, interest rate swaps, net Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, after Tax Debt instrument, interest rate during period Debt Instrument, Interest Rate During Period Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Issuances of Class A common stock Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Other, net Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Southbridge Landfill insurance recovery for investing activities Proceeds from Insurance Settlement, Transfered From Operating Activities to Investing Activities Proceeds from Insurance Settlement, Transfered From Operating Activities to Investing Activities Entity Address, State or Province Entity Address, State or Province Fiscal year ending December 31, 2021 Long-term Debt, Maturities, Repayments of Principal in Year Two Debt Disclosure [Abstract] Debt Disclosure [Abstract] Development project charge Project development charge Noncash Project Abandonment Costs Depletion of landfill operating lease obligations Depletion expense on operating lease contracts Depletion Of Landfill Operating Lease Obligations This element represents the noncash expense charged against earnings to recognize the depletion of landfill operating lease obligations. Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount Interest accretion on landfill and environmental remediation liabilities Accretion Expense, Including Asset Retirement Obligations Accounts Receivable, Net of Allowance for Doubtful Accounts Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block] Document Transition Report Document Transition Report Other current assets Other Current Assets [Member] Document Information [Table] Document Information [Table] Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Restricted Stock Awards Restricted Stock Awards [Member] Restricted Stock Awards [Member] 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] Cash Flows from Financing Activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Document Information [Line Items] Document Information [Line Items] Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Schedule of Environmental Remedial Liability Schedule of Environmental Loss Contingencies by Site [Table Text Block] Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Remediation activities, participant share percentage Percentage Participation in Onsite Remediation Activities Percentage participation in onsite remediation activities. Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Weighted average fair value of market-based performance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Potsdam Environmental Remediation Liability Potsdam Environmental Liability [Member] Potsdam environmental liability. Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Weighted average remaining contractual term, outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Lease cost: Lease, Cost [Abstract] Unusual or Infrequent Items, or Both [Abstract] Unusual or Infrequent Items, or Both [Abstract] Stock-based compensation Share-based Payment Arrangement, Noncash Expense Document Annual Report Document Annual Report Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Other income Other Nonoperating Income Options granted period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax [Abstract] Recycling Recycling [Member] Recycling [Member] Operating cash flows for operating leases Operating Lease, Payments Landfill Accounting Asset Retirement Obligation [Policy Text Block] Unsecured Debt Unsecured Debt [Member] Accounts receivable Increase (Decrease) in Accounts Receivable Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Interest expense Finance Lease, Interest Expense Entity Address, City or Town Entity Address, City or Town Total deferred tax liabilities Deferred Tax Liabilities, Gross Derivatives and Hedging Derivatives, Policy [Policy Text Block] Less: valuation allowance Deferred Tax Assets, Valuation Allowance Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Denominator: Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Class A common stock issued Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Consolidation Items [Axis] Consolidation Items [Axis] Equity [Abstract] Equity [Abstract] Marketable Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] Lease liability balance Finance leases maturing through December 2107; bearing interest at a weighted average of 5.2% Finance Lease, Liability Expense from acquisition activities Expense From Acquisition And Financing Costs And Other Items, Acquisition Activities Acquisition And Financing Costs And Other Items, Acquisition Activities Sale of Stock [Domain] Sale of Stock [Domain] Unvested, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Unvested, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Unvested, Number Landfills Landfill [Member] Statement [Line Items] Statement [Line Items] Notes payable Business Combination, Consideration Transferred, Notes Payable Amount of notes payable incurred by the acquirer as part of consideration transferred in a business combination. Vermont Economic Development Authority Solid Waste Disposal Revenue Bonds Vermont Economic Development Authority Solid Waste Disposal Revenue Bonds [Member] Vermont Economic Development Authority (VEDA) Solid Waste Disposal Revenue Bonds Liabilities: Liabilities [Abstract] Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015R-1 ("FAME Bonds 2015R-1") due August 2035 - fixed rate interest period through 2025; bearing interest at 5.125% Finance Authority Of Maine Solid Waste Disposal Revenue Bonds Series 2015R-1 [Member] Finance Authority Of Maine Solid Waste Disposal Revenue Bonds Series 2015R-1 [Member] Anticipated costs Environmental Exit Costs, Anticipated Cost Amendment Flag Amendment Flag Fiscal year ending December 31, 2020 Accrual for Environmental Loss Contingencies, Undiscounted, Next Twelve Months Vermont Economic Development Authority Solid Waste Disposal Long-Term Revenue Bonds Series 2013 ("Vermont Bonds") due April 2036 - fixed rate interest period through 2028; bearing interest at 4.625% Long Term Revenue Bond Series Two Thousand Thirteen Due Two Thousand Thirty Six [Member] Long Term Revenue Bond Series Two Thousand Thirteen Due Two Thousand Thirty Six [Member] Southbridge Landfill non-cash closure charge, net Landfill closure project charge Noncash Landfill Closure Charge The non-cash portion of the aggregate charge associated with the closure of a landfill, which includes a non-cash asset impairment charge, a non-cash project development charge, a reserve for a legal settlement and a non-cash environmental remediation charge. Deferred tax liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Current accrued capping, closure and post-closure costs Accrued Capping, Closure, Post-closure and Environmental Costs Additions—charged to expense SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Entity Central Index Key Entity Central Index Key Purchase Price: Payments to Acquire Businesses, Net of Cash Acquired [Abstract] Other accrued liabilities Other Accrued Liabilities, Current Accumulated Other Comprehensive Income (Loss) Accumulated other comprehensive loss, net AOCI Attributable to Parent [Member] Obligations settled Asset Retirement Obligation, Liabilities Settled Components of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Other accrued liabilities Other Accrued Liabilities [Member] Other Accrued Liabilities [Member] Balance Sheet Location [Domain] Balance Sheet Location [Domain] (Gain) loss on sale of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Discount rate Measurement Input, Discount Rate [Member] Alternative minimum tax credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Restricted Stock, Restricted Stock Units and Performance Stock Units Stock Options, Performance Stock Units, Restricted Stock Units And Restricted Stock [Member] Stock options, performance stock units, restricted stock units and restricted stock. Common stock, authorized shares Common Stock, Shares Authorized Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Product and Service [Domain] Product and Service [Domain] Type of Adoption [Domain] Type of Adoption [Domain] Percentage of fair value in excess of carrying amount Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount GOODWILL AND INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Customer solutions Customer Solutions [Member] Customer solutions. Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Disclosure [Abstract] Variable Rate [Domain] Variable Rate [Domain] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Shell Company Entity Shell Company Stock-Based Compensation Share-based Payment Arrangement [Policy Text Block] Allowance for Credit Loss SEC Schedule, 12-09, Allowance, Credit Loss [Member] Non-deductible officer compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Officer Compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Officer Compensation Total stockholders' equity (deficit) Stockholders' Equity Attributable to Parent Subsequent Events Subsequent Events, Policy [Policy Text Block] Charges Associated with Closure of Southbridge Landfill Environmental Exit Costs by Cost [Table Text Block] Outstanding accounts payable Accounts Payable, Related Parties, Current Plan Name [Axis] Plan Name [Axis] REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] Equity Component [Domain] Equity Component [Domain] Contract extension period Contract Extension Period Contract extension period. Transfer Transfer [Member] Transfer [Member] Discount rate Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Common Stock Common Stock [Member] Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-3 ("FAME Bonds 2005R-3") due January 2025 - fixed rate interest period through 2025; bearing interest at 5.25% Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-3 (FAME Bonds 2005R-3) [Member] Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-3 (FAME Bonds 2005R-3) [Member] Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Accounts payable Accounts Payable, Current Less—unamortized discount and debt issuance costs Debt Issuance Costs, Net Current Fiscal Year End Date Current Fiscal Year End Date Machinery and equipment Machinery and Equipment [Member] Accretion expense Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Debt less unamortized discount and debt issuance costs Long-term Debt and Lease Obligation, Including Current Maturities Aggregate intrinsic value of stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Income Tax Authority [Domain] Income Tax Authority [Domain] Accrued interest Interest Payable, Current Asset retirement obligation measurement input Asset Retirement Obligation, Measurement Input Asset Retirement Obligation, Measurement Input Number of leases Number Of Leases Number of related party capital lease agreements entered into. Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Additional paid-in capital Additional Paid in Capital, Common Stock RESTRICTED ASSETS Restricted Assets Disclosure [Text Block] Inventory Inventory, Policy [Policy Text Block] Accounts receivable - trade, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Increase (decrease) deferred tax benefit related to continuing operations Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Change In Valuation Allowance, Income Tax Benefit For Continuing Operations Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Change In Valuation Allowance, Income Tax Benefit For Continuing Operations Schedule II - Valuation Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Impairment of investments Other than Temporary Impairment Losses, Investments Total State and Local Income Tax Expense (Benefit), Continuing Operations Fair Value Estimate of Fair Value Measurement [Member] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Measurement Basis [Axis] Measurement Basis [Axis] Schedule of Difference in Benefit for Income Taxes Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Intangible assets, useful life (no more than) Intangible assets, useful life Finite-Lived Intangible Asset, Useful Life Term Loan B Facility Term Facility due October 2023 (Term Loan B Facility) [Member] Term Facility due October 2023 (Term Loan B Facility) [Member] Fiscal year ending December 31, 2022 Accrual for Environmental Loss Contingencies, Undiscounted, Third Year Limited Partners' Capital Account [Line Items] Limited Partners' Capital Account [Line Items] Class A Common Stock Common Class A [Member] Forfeited or canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unrecognized tax benefits Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] STOCKHOLDERS' EQUITY Shareholders' Equity and Share-based Payments [Text Block] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Income tax expense related to items in other comprehensive income (loss) Other Comprehensive Income (Loss), Tax Lease liability balance Operating Lease, Liability Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Principle amount of debt Aggregate principal amount outstanding Long-term Debt, Gross Unrecognized stock-based compensation expense, weighted average period Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Proceeds from property insurance settlement Proceeds from Insurance Settlement, Investing Activities Weighted Average Weighted Average [Member] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] FINAL CAPPING, CLOSURE AND POST-CLOSURE COSTS Asset Retirement Obligation Disclosure [Text Block] Finance Leases Finance Lease, Liability, Payment, Due [Abstract] Debt Instrument [Line Items] Debt Instrument [Line Items] Subsequent Event Subsequent Event [Member] Short-term lease cost Short-term Lease, Cost Accrued payroll and related expenses Employee-related Liabilities, Current Revenues Business Acquisition, Pro Forma Revenue Total asset fair value Assets, Fair Value Disclosure Issuance of Class A common stock - equity offering Stock Issued During Period, Value, New Issues Reversal of pension costs Pension Cost (Reversal of Cost) Fiscal year ending December 31, 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Cover page. Current Current Federal Tax Expense (Benefit) Recycling Recycling Revenues [Member] Recycling Revenues [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Less: interest expense Lessee, Operating Lease, Liability, Undiscounted Excess Amount Thereafter Accrual for Environmental Loss Contingencies, Undiscounted, after Fifth Year Trading Symbol Trading Symbol Interest rate swaps Interest Rate Derivative Liabilities, at Fair Value Contract settlement charge Contract Settlement Charge Amount of loss recognized in the period associated with the settlement of a future obligation associated with the termination of a contract. Thereafter Finance Lease, Liability, Payments, Due after Year Five Document Period End Date Document Period End Date Other non-cash considerations Business Combination, Consideration Transferred, Other Right-of-use assets obtained in exchange for new finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Power generation Solid Waste Operations Power Generation [Member] Solid Waste Operations Power Generation [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Cumulative effect of new accounting principle Cumulative Effect of New Accounting Principle in Period of Adoption Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Common stock Common Stock, Value, Issued Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Obligations incurred Accrual For Environmental Loss Contingencies, Obligations Incurred Accrual For Environmental Loss Contingencies, Obligations Incurred Interest expense Interest Expense [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Issuance of Class A common stock - acquisition Stock Issued During Period, Value, Acquisitions Landfill gas-to-energy Landfill - Gas To Energy [Member] Landfill - Gas To Energy [Member] Basis of Accounting Basis of Accounting, Policy [Policy Text Block] New York Bonds, 2014R-1 New York Bonds [Member] New York Bonds [Member] Scenario [Domain] Scenario [Domain] Cost of operations Cost of Goods and Services Sold Total lease payments Finance Lease, Liability, Payment, Due Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Transferred over time Transferred over Time [Member] Southbridge Landfill closure charge, net Southbridge Landfill closure charge, net Landfill Closure (Settlement) Charge, Net The aggregate (recovery) charge associated with the closure of a landfill, which is comprised of an asset impairment charge, a development project charge write-off, an environmental remediation charge, a legal settlement charge, related legal and transaction costs and a recovery on insurance settlement. A positive number is an expense and a negative number is a gain. Weighted-average remaining lease term - finance leases (years) Finance Lease, Weighted Average Remaining Lease Term Notice of Intent to Sue for Violations of the CWA Notice of Intent to Sue for Violations of the CWA [Member] Notice of Intent to Sue for Violations of the CWA Schedule of Purchase Price Paid for Acquisitions Schedule of Business Acquisitions, by Acquisition [Table Text Block] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Term Loan Facility Term Facility due 2023 (Term Loan A Facility) [Member] Term Facility due 2023 (Term Loan A Facility) [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Organics Organics [Member] Organics. Income Statement [Abstract] Income Statement [Abstract] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Reduction of goodwill Goodwill, Transfers Principal amount of debt Debt and Lease Obligation Income tax (refunds) payments, net Income Taxes Paid, Net SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Intangible amortization expenses Amortization of Intangible Assets Dilutive effect of stock options and stock awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Operating segments Number of Operating Segments Management's Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Collection Business Collection Business [Member] Collection Business [Member] Total current assets Assets, Current Tax effect related to items of other comprehensive (loss) income Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Hedging Designation [Domain] Hedging Designation [Domain] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Fiscal year ending December 31, 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four Acquisitions, net of cash acquired Cash used in acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Investments under equity method of accounting Equity Method Investments Fiscal year ending December 31, 2024 Accrual for Environmental Loss Contingencies, Undiscounted, Fifth Year Buildings and improvements Building and Building Improvements [Member] Principal payments on debt Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security General and administration General and Administrative Expense Restricted assets Restricted investment securities - landfill closure Restricted Cash and Investments, Noncurrent Interest income Interest Income, Other Local Phone Number Local Phone Number NCES Landfil NCES Landfil [Member] NCES Landfil Decrease in net federal deferred tax assets before valuation allowance change due to federal rate change Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Total liabilities and stockholders' equity (deficit) Liabilities and Equity Non-current assets acquired through long-term obligations Fair Value of Assets Acquired Schedule of Gain (Loss) On Cash Flow Hedges Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Accounts receivable, net of allowance for doubtful accounts of $1,468 and $931, respectively Accounts Receivable, after Allowance for Credit Loss, Current Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Equity Components [Axis] Equity Components [Axis] Variable Rate [Axis] Variable Rate [Axis] EMPLOYEE BENEFIT PLANS Pension and Other Postretirement Benefits Disclosure [Text Block] Diluted earnings (loss) per common share: Numerator: Earnings per common share: Earnings Per Share, Basic and Diluted [Abstract] Operating Segments Operating Segments [Member] Federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Weighted average common shares outstanding Diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted ACCOUNTING CHANGES New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Landfill operating lease contracts Landfill Operating Lease [Member] Landfill Operating Lease [Member] Common stock, votes (in votes per share) Vote for each share held (in votes per share) Stockholders' Equity, Votes per Share Held Stockholders' Equity, Votes per Share Held Common stock, issued shares Common Stock, Shares, Issued Contributions to Plan Multiemployer Plan, Contributions by Employer Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Fiscal year ending December 31, 2021 Finance Lease, Liability, Payments, Due Year Two Collection Collection [Member] Collection [Member] Capital expenditures Payments to Acquire Productive Assets Restricted Stock, Restricted Stock Units, and Performance Stock Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of businesses acquired Number of Businesses Acquired Other Stockholders' Equity, Other Unrealized loss on hedges and swaps Deferred Tax Assets, Derivative Instruments Fiscal year ending December 31, 2021 Accrual for Environmental Loss Contingencies, Undiscounted, Second Year Schedule of Total Expected Environmental Remediation Payments for Succeeding Year Schedule Of Future Environmental Remediation Payments [Table Text Block] Tabular disclosure of future environmental remediation payments as of the latest balance sheet presented, in aggregate and for each of the five succeeding fiscal years and thereafter. Less accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Variable lease cost Variable Lease, Cost Operating lease right-of-use assets expense Operating Lease, Expense Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Entity Small Business Entity Small Business Entity File Number Entity File Number SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Current operating lease liabilities Operating Lease, Liability, Current Site Contingency [Table] Site Contingency [Table] Letter of credit fees Letters Of Credit Fees Amount of letters of credit fees included in interest expense. Fair value of assets acquired and liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Closure and post-closure costs incurrence period Closure and Post-Closure Costs Incurrence Period Closure and Post-Closure Costs Incurrence Period Land Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land Property, plant and equipment, accumulated depreciation and amortization Less: accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Goodwill Goodwill [Member] Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Product and Service [Axis] Product and Service [Axis] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Depreciation and amortization Depreciation, Depletion and Amortization Other current assets Other Assets, Current Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Letters of credit Outstanding irrevocable letters of credit totaling Letters of Credit Outstanding, Amount Property, plant and equipment and finance lease right-of-use asset, gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Other expense, net Nonoperating Income (Expense) Complete Disposal Company, Inc Complete Disposal Company, Inc [Member] Complete Disposal Company, Inc [Member] CURRENT LIABILITIES: Liabilities, Current [Abstract] Fiscal year ending December 31, 2020 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Interest Rate Contract Interest Rate Contract [Member] LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT) Liabilities and Equity [Abstract] Credit Facility [Domain] Credit Facility [Domain] INCOME TAXES Income Tax Disclosure [Text Block] Payments of debt issuance costs Payments of Debt Issuance Costs Proceeds from unregistered sale of Class A Common Stock Proceeds from Sale of Common Stock Proceeds from Sale of Common Stock Asset Impairments Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Interest expense Total interest expense Interest expense Interest Expense Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Class of Stock [Axis] Class of Stock [Axis] Weighted-average remaining lease term - operating leases (years) Operating Lease, Weighted Average Remaining Lease Term Site Contingency [Line Items] Site Contingency [Line Items] Contract liabilities Contract with Customer, Liability, Current Common stock, authorized shares Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Leases [Abstract] Leases [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Minimum Minimum [Member] Revenues percentage Concentration Risk, Percentage Basic earnings (loss) per common share (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Unrecognized tax benefits at beginning of period Unrecognized tax benefits at end of period Unrecognized Tax Benefits Fiscal year ending December 31, 2024 Long-term Debt, Maturities, Repayments of Principal in Year Five Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Measurement Frequency [Domain] Measurement Frequency [Domain] Rebates Revenues Revenues Revenue from related party Revenue from Related Parties Other long-term liabilities Other Liabilities, Noncurrent Obligations incurred Asset Retirement Obligation, Liabilities Incurred Class of Stock [Domain] Class of Stock [Domain] Accretion expense Asset Retirement Obligation, Accretion Expense Leases monthly payments Debt Instrument, Periodic Payment Unrecognized stock-based compensation expense Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Weighted average remaining contractual term, outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Buildings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings Southbridge Landfill Southbridge Landfill [Member] Southbridge landfill. Multiemployer Plan Name [Axis] Multiemployer Plan Name [Axis] Increase (decrease) in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount