Leases (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 01, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020		Jun. 30, 2019		Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset		$ 2,734		$ 2,734				$ 2,740
Operating Lease, Payments		253	$ 182	471		$ 221
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 2,500	0	753	306		3,325
Operating Lease, Liability, Current		886	886	886		886		847
Noncurrent operating lease obligations		2,142		2,142				2,232
Operating Lease, Liability		$ 3,028		$ 3,028				$ 3,079
Operating Lease, Weighted Average Remaining Lease Term		3 years 7 months 6 days		3 years 7 months 6 days				4 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent		3.25%		3.25%				5.97%
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year		$ 429		$ 429
Lessee, Operating Lease, Liability, Payments, Due Year Two		894		894
Lessee, Operating Lease, Liability, Payments, Due Year Three		874		874
Lessee, Operating Lease, Liability, Payments, Due Year Four		872		872
Lessee, Operating Lease, Liability, Payments, Due after Year Five		145		145
Lessee, Operating Lease, Liability, Payments, Due		3,214		3,214
Lessee, Operating Lease, Liability, Undiscounted Excess Amount		(186)		(186)
Operating Lease, Cost		220	194	430		357
Short-term Lease, Cost		4,595	11,484	15,891		23,055
Variable Lease, Cost		4,990	5,548	10,647		10,643
Amounts charged as dilling costs		(3,710)	(10,790)	(14,331)	[1]	(21,641)	[1]
Lease, Cost		6,095	6,436	12,637	[2]	12,414	[2]
Natural Gas, Gathering, Transportation, Marketing and Processing [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost		2,800	5,600	2,900		5,000
Operating Expense [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost		3,000	$ 6,600	3,300		7,100
General and Administrative Expense [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost		$ 200		$ 200		$ 400

[1] ¹ Represents the combined gross amounts paid 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 $2.8 million and $2.9 million and $5.6 million and $5.0 million recognized in Gathering, processing and transportation expense (“GPT”), $3.0 million and $ 3.3 million and $6.6 million and $7.1 million recognized in Lease operating expense (“LOE”) for the three and six months ended June 30, 2020 and 2019, respectively, and $0.2 million and $0.4 million recognized in General and administrative expense (“G&A”) for each of the three and six months ended June 30, 2020 and 2019, respectively.