CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 98,918	$ (310,557)	$ 70,589
Other comprehensive income (loss):
Change in pension and postretirement obligations, net of tax	20	(72)	(141)
Comprehensive income (loss)	98,938	(310,629)	70,448
Net income attributable to Noncontrolling interest	(58,689)	0	0
Other comprehensive income attributable to Noncontrolling interest	(23)	0	0
Comprehensive income (loss) attributable to common shareholders	$ 40,226	$ (310,629)	$ 70,448