CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS – UNAUDITED - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (20,661)	$ (20,021)
Other comprehensive loss:
Change in pension and postretirement obligations, net of tax	0	2
Comprehensive loss	(20,661)	(20,019)
Net loss attributable to Noncontrolling interest	10,676	6,449
Other comprehensive income attributable to Noncontrolling interest	0	(1)
Comprehensive loss attributable to common shareholders	$ (9,985)	$ (13,571)