Supplemental Disclosures to the Balance Sheets and Statements of Cash Flows (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Other Current Assets

Other current assets reported on the consolidated balance sheets included the following:

	Year Ended December 31,
	2021		2020
	(in thousands)
Prepaid expenses	$	26,840	$	3,580
Materials and supplies	9,533		11,666
Prepaid deposits	6,415		12
Oil inventories	2,933		3,490
Other	225		652
Total other current assets	$	45,946	$	19,400

Schedule of Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses on the consolidated balance sheets included the following:

	Year Ended December 31,
	2021		2020
	(in thousands)
Accounts payable - trade	$	17,699	$	11,055
Accrued expenses	62,962		43,452
Royalties payable	24,816		15,150
Greenhouse gas liability - current portion	7,513		35,554
Taxes other than income tax liability	8,273		10,118
Accrued interest	10,736		10,783
Dividends payable	4,800		—
Asset retirement obligation - current portion	20,000		25,000
Other	725		873
Total accounts payable and accrued expenses	$	157,524	$	151,985

Supplemental Cash Flow Information

Supplemental disclosures to the consolidated statements of cash flows are presented below:

	Year Ended December 31,
	2021		2020		2019
	(in thousands)
Supplemental Disclosures of Significant Non-Cash Operating Activities:
Greenhouse gas liability - reclassification from long-term to current liability	$	—	$	33,376	$	—
Supplemental Disclosures of Significant Non-Cash Investing Activities:
Material inventory transfers to oil and natural gas properties	$	3,424	$	1,596	$	10,056
Supplemental Disclosures of Cash Payments (Receipts):
Interest, net of amounts capitalized	$	29,211	$	29,962	$	30,720
Income taxes payments (refunds)	$	699	$	222	$	(2)