Schedule I - Statements of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
General and administrative expense	$ 99,754	$ 78,677	$ 79,175
Total operating expenses	(915,861)	(869,924)	(997,246)
Operating expense	736,119	374,616	(421,310)
Interest expense	(125,498)	(133,138)	(99,415)
Other income (expense)	31,800	(6,988)	3,018
Net income (loss) before income taxes	384,452	(184,587)	(430,022)
Income tax benefit (expense)	(2,537)	1,635	(35,583)
Net income (loss)	381,915	(182,952)	(465,605)
Parent
General and administrative expense	2,145	1,322	1,404
Total operating expenses	2,145	1,322	1,404
Operating expense	(2,145)	(1,322)	(1,404)
Interest expense	0	(5)	7
Other income (expense)	(1)	(2)	(2)
Equity earnings (loss) from subsidiaries	385,968	(180,548)	(431,446)
Net income (loss) before income taxes	383,822	(181,877)	(432,845)
Income tax benefit (expense)	(1,907)	(1,075)	(32,760)
Net income (loss)	$ 381,915	$ (182,952)	$ (465,605)