FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets:
Restricted assets	$ 1,039	$ 1,002
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Recurring
Assets:
Interest rate derivatives	0
Restricted assets	1,039
Liabilities:
Interest rate derivative	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Recurring | Restricted investments - landfill closure
Assets:
Restricted assets	1,039	1,002
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring
Assets:
Interest rate derivatives	388
Restricted assets	388
Liabilities:
Interest rate derivative	454
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Restricted investments - landfill closure
Assets:
Restricted assets	0	0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring
Assets:
Interest rate derivatives	0
Restricted assets	0
Liabilities:
Interest rate derivative	0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Restricted investments - landfill closure
Assets:
Restricted assets	$ 0	$ 0