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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Loss	$ (137,051)	$ (62,227)
Other comprehensive income (loss):
Other post-retirement benefits income, net of tax	0	3,996
Total other comprehensive income, net of tax	0	3,996
Comprehensive loss	$ (137,051)	$ (58,231)

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