Transactions with Affiliates Related Party Transations (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2022 USD ($)	Mar. 31, 2022 USD ($) employee	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Advances to affiliate, net		$ 1,941,700		$ 1,669,400
Related party transaction, rate		0.12%
Operating revenues, related party		$ 21,100	$ 2,600
Cost of natural gas sales, related party		$ 5,400	3,400
Entity number of employees | employee		0
Expenses, related party		$ 79,600	78,800
Reduction to expenses		1,600	1,700
Equity distributions to parent		57,548	0
Cash contributions from Parent		$ 128,000	$ 60,000
Subsequent Event
Related Party Transaction [Line Items]
Equity distributions to parent	$ 250,000