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FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Recurring Fair Value Measurements (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Restricted investment securities - landfill closure	$ 2,122	$ 1,848
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring
Assets:
Total	2,122
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring | Interest rate swaps
Assets:
Interest rate swaps	0
Liabilities:
Interest rate swaps	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring | Landfills
Assets:
Restricted investment securities - landfill closure	2,122	1,848
Significant Other Observable Inputs (Level 2) | Recurring
Assets:
Total	424
Significant Other Observable Inputs (Level 2) | Recurring | Interest rate swaps
Assets:
Interest rate swaps	424
Liabilities:
Interest rate swaps	5,176	13,237
Significant Other Observable Inputs (Level 2) | Recurring | Landfills
Assets:
Restricted investment securities - landfill closure	0	0
Significant Unobservable Inputs (Level 3) | Recurring
Assets:
Total	0
Significant Unobservable Inputs (Level 3) | Recurring | Interest rate swaps
Assets:
Interest rate swaps	0
Liabilities:
Interest rate swaps	0	0
Significant Unobservable Inputs (Level 3) | Recurring | Landfills
Assets:
Restricted investment securities - landfill closure	$ 0	$ 0

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