Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (3,653)	$ 46,248	$ (692,022)	$ 110,353
Changes in defined benefit pension plans, net of tax of $8, $253, $24 and $768	25	813	75	2,467
Other	0	3	0	9
Total comprehensive income (loss) attributable to preferred and common stockholders	$ (3,628)	$ 47,064	$ (691,947)	$ 112,829