Derivative Instruments (Details)	3 Months Ended
	Mar. 31, 2021 MMBTU / d $ / bbl $ / MMBTU $ / gal bbl MMBbls
Put option | Year ending December 31, 2026
Derivative Instruments
Notional amount (MMBtu/day) | MMBTU / d	106,073,000
Weighted average strike price	2.59
Natural gas | April-December 2021
Derivative Instruments
Notional amount | MMBbls	47,385
Weighted average hedged differential	2.61
Natural gas | January-December 2022
Derivative Instruments
Notional amount | MMBbls	38,356
Weighted average hedged differential	2.39
Natural gas | January-December 2023
Derivative Instruments
Notional amount | MMBbls	35,615
Weighted average hedged differential	2.35
Natural gas | January-December 2024
Derivative Instruments
Notional amount | MMBbls	23,885
Weighted average hedged differential	2.33
Natural gas | NYMEX to TCO | April-December 2021
Derivative Instruments
Notional amount (MMBtu/day) | MMBTU / d	40,000
Weighted average payout ratio	0.414
Natural gas | NYMEX to TCO | January-December 2022
Derivative Instruments
Notional amount (MMBtu/day) | MMBTU / d	60,000
Weighted average payout ratio	0.515
Natural gas | NYMEX to TCO | January-December 2023
Derivative Instruments
Notional amount (MMBtu/day) | MMBTU / d	50,000
Weighted average payout ratio	0.525
Natural gas | NYMEX to TCO | January-December 2024
Derivative Instruments
Notional amount (MMBtu/day) | MMBTU / d	50,000
Weighted average payout ratio	0.530
Natural gas | Swaps | April-December 2021
Derivative Instruments
Notional amount | MMBbls	2,160,000
Weighted average hedged differential	2.76
Natural gas | Swaps | January-December 2022
Derivative Instruments
Notional amount | MMBbls	1,155,486
Weighted average hedged differential	2.50
Natural gas | Swaps | January-December 2023
Derivative Instruments
Notional amount | bbl	43,000
Weighted average hedged differential | $ / gal	2.37
Oil | April-December 2021
Derivative Instruments
Notional amount | bbl	129
Weighted average hedged differential | $ / bbl	40.86
Oil | January-December 2022
Derivative Instruments
Notional amount | bbl	112
Weighted average hedged differential | $ / bbl	43.51
Oil | January-December 2023
Derivative Instruments
Notional amount | bbl	99
Weighted average hedged differential | $ / bbl	44.88
Oil | January-December 2024
Derivative Instruments
Notional amount | bbl	43
Weighted average hedged differential | $ / bbl	44.02
Oil | Swaps | April-December 2021
Derivative Instruments
Notional amount | bbl	3,000
Weighted average hedged differential	55.16
Natural gas liquids | Swaps | Mont Belvieu Natural Gasoline to WTI | April-December 2021
Derivative Instruments
Notional amount | bbl	9,325
Weighted average payout ratio	78