Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (669,829)	$ 41,740	$ (688,369)	$ 64,105
Changes in defined benefit pension plans, net of tax of $8, $258, $16 and $515	25	827	50	1,654
Other	0	3	0	6
Total comprehensive income (loss) attributable to preferred and common stockholders	$ (669,804)	$ 42,570	$ (688,319)	$ 65,765