Leases - Components of Lease Expense and Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2020	Nov. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Leases	$ 0	$ 45	$ 273
Short-term leases	246	2,665	2,766
Total lease expense	246	2,710	3,039
Short-term lease costs capitalized to oil and gas properties	9	4,704	11,747
Cash paid for amounts included in the measurement of lease liabilities	0	45	273
Right-of-use assets obtained in exchange for operating lease obligations	$ 0	$ 45	$ 273