FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2016

Assets and Liabilities Measured at Fair Value on Recurring Basis

Summaries of our financial assets and liabilities that are measured at fair value on a recurring basis are as follows:



	Fair Value Measurement at December 31, 2016 Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Restricted assets - landfill closure	$	1,002	$	—	$	—



	Fair Value Measurement at December 31, 2015 Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Restricted assets - capital projects	$	1,348	$	—	$	—
Restricted assets - landfill closure	903		—		—
	$	2,251	$	—	$	—
Liabilities:
Interest rate derivative	$	—	$	178	$	—

Assets and Liabilities Measured at Fair Value on Non-Recurring Basis

Summaries of our financial assets and liabilities that are measured at fair value on a non-recurring basis as of December 31, 2015 (no assets or liabilities measured at fair value on a non-recurring basis as of December 31, 2016) are as follows:



	Fair Value Measurements at December 31, 2015 Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)

Cost method investment - GreenerU	$	—	$	—	$	309
Cost method investment - Recycle Rewards	—		—		1,069
	$	—	$	—	$	1,378