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Accounts receivable - trade, allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Other income Other Nonoperating Income (Expense) Balance Sheet Location [Axis] Balance Sheet Location [Axis] Other environmental remediation sites Environmental Remediation Contingency, Other [Member] Environmental Remediation Contingency, Other Common stock, shares authorized (in shares) Common Stock, Shares Authorized Statement of Comprehensive Income [Abstract] Maximum Maximum [Member] Summary of Revenue Attributable to Services Revenue from External Customers by Products and Services [Table Text Block] Accumulated other comprehensive income, net of tax Accumulated other comprehensive income, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Western Western Region [Member] Western region. Class A Common Stock Common Class A [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total current assets Assets, Current Designated as Hedging Instrument Designated as Hedging Instrument [Member] ACCRUED FINAL CAPPING, CLOSURE AND POST CLOSURE Asset Retirement Obligation Disclosure [Text Block] Cash income tax payments Income Taxes Paid, Net Entity Small Business Entity Small Business Measurement Basis [Axis] Measurement Basis [Axis] Restricted assets Restricted investment securities - landfill closure Restricted Cash and Investments, Noncurrent Measurement Frequency [Domain] Measurement Frequency [Domain] Forward Interest Rate Contract, SOFR Interest Forward Interest Rate Contract, SOFR Interest [Member] Forward Interest Rate Contract, SOFR Interest Intangible assets, net Intangible assets, net Finite-Lived Intangible Assets, Net Line of Credit Facility [Table] Line of Credit Facility [Table] 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 through 2029; bearing interest at 2.95% Revenue Bond Series Two Thousand Thirteen Due Two Thousand Twenty Nine [Member] Revenue Bond Series Two Thousand Thirteen Due Two Thousand Twenty Nine [Member] Summary of Changes to Accrued Capping, Closure and Post-Closure Liabilities Schedule of Change in Asset Retirement Obligation [Table Text Block] Stock Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Unusual or Infrequent Items, or Both [Abstract] Outstanding aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Accounts receivable Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Total operating expenses Costs and Expenses Payables and Accruals [Abstract] Debt Instrument [Line Items] Debt Instrument [Line Items] Revolving credit facility ("Revolving Credit Facility") due December 2026; bearing interest at Term SOFR plus 1.135% Revolving Credit Facility Due December 2026 [Member] Revolving Credit Facility Due December 2026 Issuance of Class A common stock (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Payments of debt issuance costs Payments of Debt Issuance Costs SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Fiscal year ending December 31, 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Two LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Fair Value Estimate of Fair Value Measurement [Member] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Other comprehensive income OCI, before Reclassifications, before Tax, Attributable to Parent Accounts payable Accounts Payable, Current Number of businesses acquired Number of Businesses Acquired Beginning balance Ending balance Accrual for Environmental Loss Contingencies Hedging Relationship [Domain] Hedging Relationship [Domain] Hedging Designation [Axis] Hedging Designation [Axis] Unvested restricted stock (in shares) Weighted Average Number of Shares, Restricted Stock Entity Filer Category Entity Filer Category Weighted average common shares outstanding, basic (in shares) Weighted average common shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic STOCKHOLDERS' EQUITY: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Loss contingency accrual Loss Contingency Accrual Stock-based compensation expense Share-Based Payment Arrangement, Expense COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Security Exchange Name Security Exchange Name Beginning balance, outstanding (in dollars per share) Ending balance, outstanding (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Interest rate swaps Interest Rate Derivative Liabilities, at Fair Value Weighted Average Remaining Contractual Term (years) and Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Notional amount Derivative, Notional Amount Outstanding irrevocable letters of credit totaling Letters of Credit Outstanding, Amount Summary of Debt Schedule of Debt [Table Text Block] Total revenues Rebates Revenue from Contract with Customer, Excluding Assessed Tax Processing Processing Services [Member] Processing Services Variable Rate Component One Variable Rate Component One [Member] Variable Rate Component One Interest rate, annual increase upon payment default Debt Instrument, Interest Rate, Annual Increase, Upon Payment Default Debt Instrument, Interest Rate, Annual Increase, Upon Payment Default Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Weighted-average discount rate - finance leases Finance Lease, Weighted Average Discount Rate, Percent REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] Segment Reporting [Abstract] Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Processing Solid Waste Operations Processing [Member] Solid Waste Operations Processing [Member] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Accumulated other comprehensive income, tax AOCI Tax, Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Facility term Debt Instrument, Term Resource Solutions Resource Solutions Region [Member] Resource Solutions Region [Member] Amortization of debt issuance costs Amortization of Debt Issuance Costs Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Dilutive effect of stock options and other stock awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Diluted earnings per share attributable to common stockholders: Earnings Per Share, Diluted [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Current Fiscal Year End Date Current Fiscal Year End Date Fixed Rate Bonds Fixed Rate Bonds [Member] Fixed rate bonds. Vesting [Axis] Vesting [Axis] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Diluted earnings per common share (in dollars per share) Earnings Per Share, Diluted Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Accretion expense Asset Retirement Obligation, Accretion Expense Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Consolidation Items [Axis] Consolidation Items [Axis] Total current liabilities Liabilities, Current Processing Resource Solutions Operations, Processing [Member] Resource Solutions Operations, Processing Other current assets Other Assets, Current Other accrued liabilities Other Sundry Liabilities, Current Expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Cash flow hedge derivatives, gross asset Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Other expense (income): Nonoperating Income (Expense) [Abstract] Entity Address, Address Line One Entity Address, Address Line One Income tax benefit related to items of other comprehensive loss Other Comprehensive Income (Loss), Tax Limited Partners' Capital Account [Line Items] Limited Partners' Capital Account [Line Items] Product and Service [Axis] Product and Service [Axis] Class of Stock [Domain] Class of Stock [Domain] Class of Stock [Domain] Current accrued final capping, closure and post-closure costs Accrued Capping, Closure, Post-closure and Environmental Costs Fair Value Disclosures [Abstract] Remaining capacity Line of Credit Facility, Remaining Borrowing Capacity Principal payments on debt Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Interest expense Interest Expense Trade Names Trade Names [Member] Credit Facility [Axis] Credit Facility [Axis] Debt, less current portion Long-Term Debt and Lease Obligation Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Equity [Abstract] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Less: current portion Accrued Environmental Loss Contingencies, Current Entity Tax Identification Number Entity Tax Identification Number Common stock, authorized shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Other non-current assets Other Noncurrent Assets [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Revenue from Contract with Customer [Abstract] Fiscal year ending December 31, 2023 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year SOFR Secured Overnight Financing Rate (SOFR) [Member] Secured Overnight Financing Rate (SOFR) Covenants not-to-compete Noncompete Agreements [Member] Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Accrued capital expenditures Accrued Capital Expenditures, Current Accrued Capital Expenditures, Current Non Employee Director Non Employee Director [Member] Non Employee Director [Member] Entity Central Index Key Entity Central Index Key Measurement Frequency [Axis] Measurement Frequency [Axis] 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] Summary of Environmental Liability Schedule of Environmental Loss Contingencies by Site [Table Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Other accrued liabilities Total Other Accrued Liabilities, Current 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. Expense from acquisition activities Expense from Acquisition Activities The aggregate amount of expense associated with legal, consulting and other similar costs recognized during the accounting period associated with the acquisition and integration of acquired businesses or select development projects City Area Code City Area Code General and administration General and Administrative Expense ASSETS Assets: Assets [Abstract] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Statement of Stockholders' Equity [Abstract] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense 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 Variable Rate [Axis] Variable Rate [Axis] National Accounts National Accounts [Member] National Accounts Other long-term liabilities Other Liabilities, Noncurrent Interest Rate Derivative Interest Rate Contract [Member] Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Weighted average Weighted Average [Member] Fiscal year ending December 31, 2024 Finite-Lived Intangible Asset, Expected Amortization, Year One Summary of Earnings per Share Computation Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Accrued final capping, closure and post-closure costs, less current portion Accrued Capping, Closure, Post-closure and Environmental Costs, Noncurrent Obligations settled Accrual for Environmental Loss Contingencies, Payments Right-of-use assets obtained in exchange for operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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 BASIS OF PRESENTATION Business Description and Basis of Presentation [Text Block]