Leases (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset		$ 2,237		$ 2,432
Operating Lease, Liability, Current		894		936
Noncurrent operating lease obligations		1,553		$ 1,752
Operating Lease, Cost		216	$ 210
Short-term Lease, Cost		2,752	11,296
Variable Lease, Cost		4,874	5,657
Amounts charged as dilling costs	[1]	(2,082)	(10,621)
Lease, Cost	[2]	5,760	6,542
Estimated Litigation Liability, Current		100
Natural Gas, Gathering, Transportation, Marketing and Processing [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost	[2]	2,200	2,800
Operating Expense [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost	[2]	3,300	3,500
General and Administrative Expense [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost	[2]	$ 200	$ 200

[1] 1    Represents the combined gross amounts incurred and (i) capitalized as drilling costs for our working interest share and (ii) billed to joint interest partners for their working interest share for short-term leases of operated drilling rigs.

[2] 2    Includes $2.2 million and $2.8 million recognized in Gathering, processing and transportation expense (“GPT”), $3.3 million and $3.5 million recognized in Lease operating expense (“LOE”) for the three months ended March 31, 2021 and 2020, respectively, and $0.2 million recognized in G&A for each of the three months ended March 31, 2021 and 2020.