Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 16,260	$ 163,880
Other comprehensive (loss) income, net of tax:
Pension and other postretirement employee benefits	(131)	7,480
Cash flow hedges	(17,335)	43,276
Other comprehensive (loss) income, net of tax	(17,466)	50,756
Comprehensive (loss) income	$ (1,206)	$ 214,636