Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

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 December 31, 2020
	Fair Value		Fair Value Measurement Classification
Description	Measurement		Level 1		Level 2		Level 3
Assets:
Commodity derivative assets – current	$	78,793	$	—	$	78,793	$	—
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	$	(81,772)	$	—	$	(81,772)	$	—
Commodity derivative liabilities – noncurrent	$	(26,789)	$	—	$	(26,789)	$	—

	As of December 31, 2019
	Fair Value		Fair Value Measurement Classification
Description	Measurement		Level 1		Level 2		Level 3
Assets:
Commodity derivative assets – current	$	4,131	$	—	$	4,131	$	—
Commodity derivative assets – noncurrent	2,750		—		2,750		—
Liabilities:
Commodity derivative liabilities – current	$	(23,450)	$	—	$	(23,450)	$	—
Commodity derivative liabilities – noncurrent	(3,385)		—		(3,385)		—