Subsequent Events (Details) $ in Thousands		12 Months Ended
	Feb. 05, 2021 USD ($)	Dec. 31, 2020 USD ($) MBoe	Dec. 31, 2019 USD ($) MBoe
Subsequent Event [Line Items]
Total revenues		$ 114,976	$ 266,845
Lease operating expenses		43,431	90,938
Production, ad valorem, and other taxes		9,634	$ 19,394
Capital expenditures		$ 8,300
Production (MBoe) | MBoe		8,703	11,956
NorthPark Basin | Disposal Group, Not Discontinued Operations
Subsequent Event [Line Items]
Total revenues		$ 31,100
Lease operating expenses		9,100
Production, ad valorem, and other taxes		1,800
Capital expenditures		$ 1,500
Production (MBoe) | MBoe		900
NorthPark Basin | Disposal Group, Not Discontinued Operations | Revenue Benchmark
Subsequent Event [Line Items]
Concentration risk percentage		27.00%
NorthPark Basin | Disposal Group, Not Discontinued Operations | Operating Lease Expense Benchmark
Subsequent Event [Line Items]
Concentration risk percentage		20.90%
NorthPark Basin | Disposal Group, Not Discontinued Operations | Production Tax Benchmark
Subsequent Event [Line Items]
Concentration risk percentage		18.70%
NorthPark Basin | Disposal Group, Not Discontinued Operations | Capital Expenditures Benchmark
Subsequent Event [Line Items]
Concentration risk percentage		18.10%
NorthPark Basin | Disposal Group, Not Discontinued Operations | Production Volume Benchmark
Subsequent Event [Line Items]
Concentration risk percentage		10.30%
Subsequent Event | NorthPark Basin | Disposal Group, Not Discontinued Operations
Subsequent Event [Line Items]
Purchase price of the sale of oil and gas property and equipment	$ 47,000
Proceeds from sale of oil and natural gas properties	$ 39,700