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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 74,158	$ 48,125
Other comprehensive income
Current period pension and postretirement plan adjustment, net of $363 tax benefit and $864 tax expense in 2022 and 2021, respectively	(1,310)	2,851
Reclassification of pension and postretirement adjustments into earnings, net of $140 and $170 tax benefit in 2022 and 2021, respectively	473	572
Total other comprehensive (loss) income	(837)	3,423
Comprehensive income	$ 73,321	$ 51,548

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