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in Period, Weighted Average Grant Date Fair Value Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2015R-1 (“FAME Bonds 2015R-1”) due August 2035 - fixed rate interest period bearing interest at 5.125% through July 2025 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] Resource Solutions operations Resource Solutions Operations [Member] Resource Solutions Operations Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Segments [Domain] Segments [Domain] Income tax provision related to items of other comprehensive income Other Comprehensive Income (Loss), Tax New York State Environmental Facilities Corporation Solid Waste Disposal Revenue Bonds Series 2020 (“New York Bonds 2020”) due September 2050 - fixed rate interest period bearing interest at 2.750% through September 2025 Revenue Bonds Series 2020 due September 2050 [Member] Revenue Bonds Series 2020 due September 2050 Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Risk free interest Accrual for Environmental Loss Contingencies, Discount Rate Finance leases maturing through December 2107; bearing interest at a weighted average of 4.4% Finance Lease, Liability Fiscal year ending December 31, 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Four Schedule of New Accounting Pronouncements and Changes in Accounting Principles Accounting Standards Update and Change in Accounting Principle [Table Text Block] All Individuals All Individuals [Member] Restricted Stock Restricted Stock Awards [Member] Restricted Stock Awards [Member] Rebate for Recycled or Returned Organic Materials Rebate, Recycled or Returned Organic Materials [Member] Rebate, Recycled or Returned Organic Materials PEO PEO [Member] ACCRUED FINAL CAPPING, CLOSURE AND POST CLOSURE Asset Retirement Obligation Disclosure [Text Block] Fixed rate debt Debt Instrument, Fair Value Disclosure Name Trading Arrangement, Individual Name Other income Other Nonoperating Income (Expense) Statement of Stockholders' Equity [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Unrecognized stock-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Land Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land 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] Diluted earnings per common share (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Related Party, Type [Domain] Related and Nonrelated Parties [Domain] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Deferred income taxes Deferred Income Tax Liabilities, Net Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Weighted Average Remaining Contractual Term (years) and Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Less: current portion Accrued Environmental Loss Contingencies, Current Eastern Eastern Region [Member] Eastern region. Award service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Changes in assets and liabilities, net of effects of acquisitions and divestitures: Increase (Decrease) in Operating Capital [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Cash flow hedge derivatives, gross liability Derivative Liability, Subject to Master Netting Arrangement, before Offset Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Other comprehensive income, before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Accrued interest Interest Payable, Current COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Common Stock Common Stock [Member] Measure: Measure [Axis] Issuances of Class A common stock Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Covenants Not-to-Compete Noncompete Agreements [Member] Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Issuance of Class A common stock - equity offering, net of stock issuance costs (in shares) Stock Issued During Period, Shares, New Issues Number of additional shares (in shares) Additional Shares Issued Maximum Attainment Level Additional shares of Class A Common Stock potentially issuable if maximum attainment levels are met. Line of Credit Line of Credit [Member] Entity Emerging Growth Company Entity Emerging Growth Company Segment Reporting [Abstract] Entity Central Index Key Entity Central Index Key Mid-Atlantic Mid-Atlantic Region [Member] Mid-Atlantic Region Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Western Western Region [Member] Western region. Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Schedule of Limited Partners' Capital Account by Class [Table] Partners' Capital, Limited Partner's Capital Account, Class [Table] Equity Component [Domain] Equity Component [Domain] SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Current accrued final capping, closure and post-closure costs Accrued Capping, Closure, Post-closure and Environmental Costs Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] ACCOUNTING CHANGES Accounting Standards Update and Change in Accounting Principle [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Entity Shell Company Entity Shell Company Measurement Basis [Axis] Measurement Basis [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Restricted investment securities - landfill closure Restricted Cash Equivalents Business Finance Authority of the State of New Hampshire Solid Waste Disposal Revenue Bonds Series 2013 (“New Hampshire Bonds”) due April 2029 - fixed rate interest period bearing interest at 2.95% through April 2029 Revenue Bond Series Two Thousand Thirteen Due Two Thousand Twenty Nine [Member] Revenue Bond Series Two Thousand Thirteen Due Two Thousand Twenty Nine [Member] Period shares outstanding Weighted Average Number Of Shares Issued, Duration Outstanding During Period Weighted Average Number Of Shares Issued, Duration Outstanding During Period Class B Common Stock Common Class B [Member] Title Trading Arrangement, Individual Title Unsecured Debt Unsecured Debt [Member] Statement [Table] Statement [Table] Measurement Frequency [Domain] Measurement Frequency [Domain] Consolidation Items [Domain] Consolidation Items [Domain] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] City Area Code City Area Code CURRENT LIABILITIES: Liabilities, Current [Abstract] Cash interest payments Interest Paid, Excluding Capitalized Interest, Operating Activities Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Total current assets Assets, Current Statement of Cash Flows [Abstract] Revolving credit facility (“Revolving Credit Facility”) due December 2026; bearing interest at term secured overnight financing rate (“Term SOFR”) plus 1.435% Revolving Credit Facility Due December 2026 [Member] Revolving Credit Facility Due December 2026 Supplemental Disclosure of Non-Cash Investing and Financing Activities: Noncash Investing and Financing Items [Abstract] Accrued expenses, contract liabilities and other liabilities Increase (Decrease) in Accrued Liabilities Exercisable at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Unusual or Infrequent Items, or Both [Abstract] Document Information [Line Items] Document Information [Line Items] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] 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 Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Earnings Per Share [Abstract] Schedule of Revenue Attributable to Services Revenue from External Customers by Products and Services [Table Text Block] Equity [Abstract] Current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Accumulated deficit Retained Earnings (Accumulated Deficit) Schedule of Reclassifications Out of Accumulated Other Comprehensive (Income) Loss Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Operating lease right-of-use assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-of-Use Asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-of-Use Asset Class of Stock [Domain] Class of Stock [Domain] Class of Stock [Domain] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Related Party Transaction [Line Items] Related Party Transaction [Line Items] Schedule of Debt Schedule of Debt [Table Text Block] General and administration General and Administrative Expense Other long-term liabilities Other Noncurrent Liabilities [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Accounting Changes and Error Corrections [Abstract] Interest income Interest Income, Other Amendment Flag Amendment Flag Carrying Value Reported Value Measurement [Member] Entity Registrant Name Entity Registrant Name Transferred at a point-in-time Transferred at Point in Time [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation and amortization Depreciation, Depletion and Amortization Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Landfill gas-to-energy Solid Waste Operations, Landfill Gas-To-Energy [Member] Solid Waste Operations, Landfill Gas-To-Energy Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Number of shares issued Sale of Stock, Number of Shares Issued in Transaction Less—unamortized debt issuance costs Debt Issuance Costs, Net DEBT Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Processing Processing Services [Member] Processing Services Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Issuance of Class A common stock - equity offering, net of stock issuance costs Stock Issued During Period, Value, New Issues Asset Retirement Obligation Disclosure [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Interest rate swaps Interest Rate Swap [Member] Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Operating income Business Acquisitions Pro Forma Operating Income Loss The pro forma operating income for the period as if the business combination or combinations had been completed at the beginning of the period. Common stock Common Stock, Value, Issued Accretion expense Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Hedging activity: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax [Abstract] Beginning balance Ending balance Asset Retirement Obligation Restricted cash and assets Restricted Cash and Investments, Noncurrent Accumulated other comprehensive income (loss), tax AOCI Tax, Attributable to Parent Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Processing Solid Waste Operations, Processing [Member] Solid Waste Operations, Processing Other non-current assets Other Noncurrent Assets [Member] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Resource Solutions Resource Solutions Region [Member] Resource Solutions Region [Member] Accumulated other comprehensive income (loss), before tax AOCI before Tax, Attributable to Parent Loss from termination of bridge financing Gain (Loss) on Extinguishment of Debt Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Stock Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Basic earnings per common share (in dollars per share) Earnings Per Share, Basic Number of wholly owned subsidiaries acquired Number Of Wholly Owned Subsidiaries Acquired Number Of Wholly Owned Subsidiaries Acquired Accounts payable Increase (Decrease) in Accounts Payable Proceeds from the public offering of Class A common stock Proceeds from Issuance of Common Stock Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Fixed Rate Bonds Fixed Rate Bonds [Member] Fixed rate bonds. Expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Property and equipment, net of accumulated depreciation and amortization of $1,226,518 and $1,167,541, respectively Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Cost method investments Other Investments and Securities, at Cost Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Schedule of Goodwill [Table] Goodwill [Table] Landfill Landfill [Member] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Contractual term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total current liabilities Liabilities, Current 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] Processing Resource Solutions Operations, Processing [Member] Resource Solutions Operations, Processing Unrecognized stock-based compensation expense, stock options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Total assets Total assets Assets Fiscal year ending December 31, 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One Cost of operations Cost of Goods and Services Sold Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Refundable income taxes Income Taxes Receivable, Current Additions to property and equipment Payments to Acquire Property, Plant, and Equipment Other long-term liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Cash flow hedge derivatives, gross asset Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Termination Date Trading Arrangement Termination Date BASIS OF PRESENTATION Business Description and Basis of Presentation [Text Block] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] 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] Revenues Revenues Entity Address, City or Town Entity Address, City or Town Debt Instrument [Axis] Debt Instrument [Axis] Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Aggregate intrinsic value of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Accrued Final Capping, Closure and Post Closure Asset Retirement Obligation [Policy Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Expense Net income Net income Net income Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Allocated as follows: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Loss Contingencies [Table] Loss Contingencies [Table] Business Acquisition [Axis] Business Acquisition [Axis] Schedule of Intangible Assets by Type Schedule of Finite-Lived Intangible Assets [Table Text Block] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] 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] Entity File Number Entity File Number Cash paid during the period for: Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Revenue from External Customers by Products and Services [Table] Segment Reporting, Revenue from External Customer, Product and Service [Table] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Other comprehensive income before reclassifications OCI, before Reclassifications, before Tax, Attributable to Parent Denominators: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Total assets Assets, Fair Value Disclosure Other accrued liabilities Other Accrued Liabilities, Current Name Forgone Recovery, Individual Name Exercisable aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Document Period End Date Document Period End Date Award Timing MNPI Considered Award Timing MNPI Considered [Flag] 2006 Incentive Plan 2006 Incentive Plan [Member] Two thousand six stock incentive plan. Outstanding, beginning of period (in shares) Outstanding, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] Basic earnings per common share (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Non Employee Director Non Employee Director [Member] Non Employee Director [Member] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Other current assets Other Current Assets [Member] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Schedule of Purchase Price Paid for Acquisitions Schedule of Business Acquisitions, by Acquisition [Table Text Block] Disposition of assets, other items and charges, net Loss (Gain) On Disposition Of Assets And Other Noncash Expense (Income) Loss (gain) on the sale of property and equipment, the noncash portion of Southbridge landfill closure charge, and the noncash portion of expense from acquisition activities, net. Adjustment to Compensation: Adjustment to Compensation [Axis] Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accumulated other comprehensive income (loss), net of tax Accumulated other comprehensive income (loss), net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Accumulated Deficit Retained Earnings [Member] Amortization of debt issuance costs Amortization of Debt Issuance Costs Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Legal settlement Litigation Settlement, Fee Expense Related Party, Type [Axis] Related and Nonrelated Parties [Axis] Weighted average common shares outstanding, basic (in shares) Weighted average common shares outstanding, basic (in shares) Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] National Accounts National Accounts [Member] National Accounts Document Information [Table] Document Information [Table] Restricted Stock Unit Restricted Stock Units (RSUs) [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Derivative Asset, Statement Of Financial Position Extensible Enumeration, Not Disclosed Flag Derivative Asset, Statement Of Financial Position Extensible Enumeration, Not Disclosed Flag Derivative Asset, Statement Of Financial Position Extensible Enumeration, Not Disclosed Flag Number of businesses acquired Number of Businesses Acquired Entity Filer Category Entity Filer Category Loss Contingencies [Line Items] Loss Contingencies [Line Items] Company Selected Measure Name Company Selected Measure Name