Commitments and Contingencies - Narrative (Details)	3 Months Ended			6 Months Ended
	Jun. 30, 2022 USD ($) rig	Mar. 31, 2022 bbl	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) rig bbl	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Commitments and Contingencies Disclosure [Line Items]
Drilling rig, contract period				2 years
Unrecorded unconditional purchase obligation, change of amount as result of variable components (in dollars per barrel)	$ 90			$ 90
Unrecorded unconditional purchase obligation, purchases	10,600,000		$ 8,700,000	20,800,000	$ 17,100,000
Estimated litigation liability, current	100,000			100,000		$ 100,000
Asset retirement obligation	8,400,000			8,400,000		8,400,000
Environmental remediation liability	$ 2,105,000			$ 2,105,000		$ 2,287,000
Drilling Rig With Two Year Contract
Commitments and Contingencies Disclosure [Line Items]
Drilling rigs | rig	1			1
Drilling Rig With Contractual Term
Commitments and Contingencies Disclosure [Line Items]
Drilling rigs | rig	2			2
Crude Oil Gathering And Transportation Services
Commitments and Contingencies Disclosure [Line Items]
Purchase obligation, remainder of 2022	$ 7,000,000			$ 7,000,000
Purchase obligation, year 2023	13,900,000			13,900,000
Purchase obligation, year 2024	13,900,000			13,900,000
Purchase obligation, year 2025	13,900,000			13,900,000
Purchase obligation, year 2026	7,800,000			7,800,000
Purchase obligation, year 2027	3,800,000			3,800,000
Purchase obligation, year 2028	3,800,000			3,800,000
Purchase obligation, year 2029	3,800,000			3,800,000
Purchase obligation, year 2030	3,800,000			3,800,000
Purchase obligation, year 2031	$ 600,000			$ 600,000
Intermediate pipeline transportation services
Commitments and Contingencies Disclosure [Line Items]
Number of barrels | bbl				8,000
Field gathering agreement
Commitments and Contingencies Disclosure [Line Items]
Number of barrels | bbl				8,000
Gonzales, Lavaca and Fayette Counties, Texas | Intermediate pipeline transportation services
Commitments and Contingencies Disclosure [Line Items]
Number of barrels | bbl				20,000
Gonzales, Lavaca and Fayette Counties, Texas | Field gathering agreement
Commitments and Contingencies Disclosure [Line Items]
Number of barrels | bbl				20,000
Nuevo G&T | Crude Oil Storage Capacity
Commitments and Contingencies Disclosure [Line Items]
Number of barrels | bbl		180,000
Nuevo G&T | Tank Capacity
Commitments and Contingencies Disclosure [Line Items]
Number of barrels | bbl		70,000