CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 267,396	$ 81,802	$ 279,470	$ (89,383)
Other comprehensive income (loss):
Other post-retirement benefits income, net of tax	0	0	0	3,996
Total other comprehensive income, net of tax	0	0	0	3,996
Comprehensive income (loss)	$ 267,396	$ 81,802	$ 279,470	$ (85,387)