Fair Value of Financial Instruments - The Waha JVs - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Fair Value, Financial Instruments Measured on a Non-Recurring Basis [Line Items]
Equity method investments, equity in earnings (losses)	$ 6,777,000	$ 7,346,000
Equity method investments, net investment	280,000,000		$ 267,000,000
Unrealized gains (losses) on equity investee activity, net of tax	13,754,000	13,839,000
Waha JVs
Fair Value, Financial Instruments Measured on a Non-Recurring Basis [Line Items]
Equity method investments, equity in earnings (losses)	7,400,000	7,700,000
Equity method investments, distributions of earnings received, operating cash flows	3,100,000	0
Equity method investments, cumulative undistributed earnings	99,200,000
Equity method investments, net investment	234,000,000		$ 216,000,000
Unrealized gains (losses) on equity investee activity, before tax	18,200,000	17,300,000
Unrealized gains (losses) on equity investee activity, net of tax	$ 13,800,000	$ 13,100,000