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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 79,894	$ 37,273	$ 58,322
Other comprehensive (loss) income, net of tax:
Net change in unrealized (loss) gain on investment securities	(30,317)	11,826	27,568
Defined benefit plans	2,229	(107)	34
Total other comprehensive (loss) income, net of tax	(28,088)	11,719	27,602
Comprehensive income	$ 51,806	$ 48,992	$ 85,924

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