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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other comprehensive income (loss), net of tax:
Defined benefit pension plan adjustments, tax expense (benefit)	$ 89	$ (159)	$ (238)

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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