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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 7,217	$ (212,192)	$ (87,111)
Other comprehensive income (loss):
Pension adjustment and reclassification adjustment, net of taxes	(2,890)	5,727	(5,030)
Foreign currency translation	(112)	(210)	553
Comprehensive income (loss)	$ 4,215	$ (206,675)	$ (91,588)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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