Derivatives - Summary (Details) - Forecast - Outstanding at End of Period - Not designated as hedges	9 Months Ended	12 Months Ended
	Dec. 31, 2020 MMBTU $ / MMBTU $ / bbl bbl	Dec. 31, 2021 MMBTU $ / MMBTU $ / bbl bbl
Swap | Ethane | Commodity - NGL
Derivative [Line Items]
Volume (Bbl) | bbl	275,000	912,500
Weighted-average price (USD per unit) | $ / bbl	13.60	12.01
Swap | Propane | Commodity - NGL
Derivative [Line Items]
Volume (Bbl) | bbl	935,000	730,000
Weighted-average price (USD per unit) | $ / bbl	26.58	25.52
Swap | Normal Butane | Commodity - NGL
Derivative [Line Items]
Volume (Bbl) | bbl	330,000	255,500
Weighted-average price (USD per unit) | $ / bbl	28.69	27.72
Swap | Isobutane | Commodity - NGL
Derivative [Line Items]
Volume (Bbl) | bbl	82,500	67,525
Weighted-average price (USD per unit) | $ / bbl	29.99	28.79
Swap | Natural Gasoline | Commodity - NGL
Derivative [Line Items]
Volume (Bbl) | bbl	302,500	237,250
Weighted-average price (USD per unit) | $ / bbl	45.15	44.31
Commodity | Commodity - Oil
Derivative [Line Items]
Volume (Bbl) | bbl	7,177,500	2,409,000
Commodity | Commodity - NGL
Derivative [Line Items]
Volume (Bbl) | bbl	1,925,000	2,202,775
WTI NYMEX | Swap | Commodity - Oil
Derivative [Line Items]
Volume (Bbl) | bbl	5,390,000
Weighted-average price (USD per unit) | $ / bbl	59.50
Brent ICE | Swap | Commodity - Oil
Derivative [Line Items]
Volume (Bbl) | bbl	1,787,500	1,825,000
Weighted-average price (USD per unit) | $ / bbl	63.07	60.13
Brent ICE | Collar | Commodity - Oil
Derivative [Line Items]
Volume (Bbl) | bbl	0	584,000
Brent ICE | Collar | Floor | Commodity - Oil
Derivative [Line Items]
Weighted-average price (USD per unit) | $ / bbl	0	45.00
Brent ICE | Collar | Ceiling | Commodity - Oil
Derivative [Line Items]
Weighted-average price (USD per unit) | $ / bbl	0	59.50
Brent ICE | Commodity | Commodity - Oil
Derivative [Line Items]
Volume (Bbl) | bbl	1,787,500	2,409,000
Brent ICE | Commodity | Floor | Commodity - Oil
Derivative [Line Items]
Weighted-average price (USD per unit) | $ / bbl	63.07	56.46
Brent ICE | Commodity | Ceiling | Commodity - Oil
Derivative [Line Items]
Weighted-average price (USD per unit) | $ / bbl	63.07	59.98
Brent ICE to WTI NYMEX | Basis Swap | Commodity - Oil
Derivative [Line Items]
Volume (Bbl) | bbl	2,695,000
Weighted-average price (USD per unit) | $ / bbl	5.09
Henry Hub NYMEX | Swap | Commodity - Natural gas
Derivative [Line Items]
Weighted-average price (USD per unit) | $ / MMBTU	2.72	2.53
Volume (MMBtu) | MMBTU	17,875,000	27,922,500
Waha Inside FERC to Henry Hub NYMEX | Basis Swap | Commodity - Natural gas
Derivative [Line Items]
Weighted-average price (USD per unit) | $ / MMBTU	(0.82)	(0.47)
Volume (MMBtu) | MMBTU	31,625,000	23,360,000