FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities at Fair Value on Recurring Basis

The following tables present the Company’s financial and non-financial assets and liabilities that were accounted for at fair value as of December 31, 2019 and 2018 and their classification within the fair value hierarchy (in thousands):

	As of December 31, 2019
	Level 1		Level 2		Level 3
Derivative assets(1)	$	—	$	3,005	$	—
Derivative liabilities(1)	$	—	$	7,311	$	—
Asset retirement obligations(2)	$	—	$	—	$	(749)

	As of December 31, 2018
	Level 1		Level 2		Level 3
Derivative assets(1)	$	—	$	38,272	$	—
Derivative liabilities(1)	$	—	$	183	$	—
Asset retirement obligations(2)	$	—	$	—	$	1,490

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(1)Represents a financial asset or liability that is measured at fair value on a recurring basis.

(2)Represents the revision to estimates of the asset retirement obligation, which is a non-financial liability that is measured at fair value on a nonrecurring basis. Please refer to the Asset Retirement Obligation section below for additional discussion.