Supplemental Balance Sheet Detail (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Prepaid and other current assets:
Inventories	$ 10,504	$ 10,305
Prepaid expenses	2,545	10,693
Prepaid and other current assets	13,049	20,998
Other assets:
Deferred issuance costs of the Credit Facility, net of amortization	3,603	3,308
Right-of-use assets – operating leases	1,083	1,671
Other	0	38
Other assets	4,686	5,017
Accounts payable and accrued liabilities:
Trade accounts payable	31,135	32,452
Drilling and other lease operating costs	81,225	35,045
Revenue and royalties payable	110,867	95,521
Production, ad valorem and other taxes	15,949	7,905
Derivative settlements to counterparties	5,991	6,117
Compensation and benefits	6,848	13,942
Interest	5,341	15,321
Environmental remediation liability	1,519	2,287
Current operating lease obligations	876	914
Other	4,613	4,877
Accounts payable and accrued liabilities	264,364	214,381
Other non-current liabilities:
Asset retirement obligations	8,691	8,413
Non-current operating lease obligations	332	975
Postretirement benefit plan obligations	907	970
Other non-current liabilities	9,930	10,358
Tubular inventory and well materials	9,900	9,500
Capitalized costs - crude oil in storage	600	800
Drilling and completion prepayment	$ 800	$ 9,600