Investments in Unconsolidated Affiliates (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) item mi	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) item mi	Jun. 30, 2022 USD ($)
Investments in unconsolidated affiliates
Balance at beginning of period			$ 652,767
Additional investments			262
Equity in earnings of unconsolidated affiliates	$ 25,972	$ 22,824	50,428	$ 46,056
Distributions from unconsolidated affiliates			(63,570)	$ (60,505)
Balance at end of period	$ 639,887		$ 639,887
Joint Venture
Equity Method Investments
Ownership percentage	50.00%		50.00%
Percentage of interest held by joint venture in third party fractionator in Ohio			33.33%
Number of fractionators | item	2		2
Investments in unconsolidated affiliates
Balance at beginning of period			$ 526,652
Equity in earnings of unconsolidated affiliates			46,754
Distributions from unconsolidated affiliates			(54,345)
Balance at end of period	$ 519,061		$ 519,061
Stonewall
Equity Method Investments
Ownership percentage	15.00%		15.00%
Number of miles of pipeline | mi	67		67
Investments in unconsolidated affiliates
Balance at beginning of period			$ 126,115
Additional investments			262
Equity in earnings of unconsolidated affiliates			3,674
Distributions from unconsolidated affiliates			(9,225)
Balance at end of period	$ 120,826		$ 120,826