Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables summarize the valuation of those assets and (liabilities) as of the dates presented:

	As of March 31, 2021
	Fair Value		Fair Value Measurement Classification
Description	Measurement		Level 1		Level 2		Level 3
Assets:
Commodity derivative assets – current	$	13,093	$	—	$	13,093	$	—
Commodity derivative assets – noncurrent	$	5,269	$	—	$	5,269	$	—
Liabilities:
Interest rate swap liabilities – current	$	(3,730)	$	—	$	(3,730)	$	—
Interest rate swap liabilities – noncurrent	$	(615)	$	—	$	(615)	$	—
Commodity derivative liabilities – current	$	(40,598)	$	—	$	(40,598)	$	—
Commodity derivative liabilities – noncurrent	$	(14,299)	$	—	$	(14,299)	$	—

	As of December 31, 2020
	Fair Value		Fair Value Measurement Classification
Description	Measurement		Level 1		Level 2		Level 3
Assets:
Commodity derivative assets – current	$	75,506	$	—	$	75,506	$	—
Commodity derivative assets – noncurrent	$	25,449	$	—	$	25,449	$	—
Liabilities:
Interest rate swap liabilities – current	$	(3,655)	$	—	$	(3,655)	$	—
Interest rate swap liabilities – noncurrent	$	(1,645)	$	—	$	(1,645)	$	—
Commodity derivative liabilities – current	$	(81,451)	$	—	$	(81,451)	$	—
Commodity derivative liabilities – noncurrent	$	(26,789)	$	—	$	(26,789)	$	—