Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income before noncontrolling interest	$ 3,872	$ 2,555	$ 23,090	$ 8,017
Other comprehensive loss:
Unrealized holding losses on securities available-for-sale	(7,748)	(14,437)	(5,131)	(48,587)
Reclassification adjustment for gain (loss) recognized in income	0	0	1,536	(650)
Change in defined benefit pension plan	100	156	443	845
Reclassification adjustment for amortization of net actuarial loss recognized in income	29	107	87	321
Reclassification adjustment for carrying value adjustment - investment hedge recognized in income	0	56	(289)	(141)
Other comprehensive loss, before tax	(7,619)	(14,118)	(3,354)	(48,212)
Income taxes related to items of other comprehensive loss:
Unrealized holding losses on securities available-for-sale	1,863	3,641	1,234	11,939
Reclassification adjustment for gain (loss) recognized in income	0	0	(369)	152
Change in defined benefit pension plan	(24)	(39)	(106)	(206)
Reclassification adjustment for amortization of net actuarial loss recognized in income	(7)	(27)	(21)	(79)
Reclassification adjustment for carrying value adjustment - investment hedge recognized in income	0	(14)	69	35
Income taxes related to items of other comprehensive loss:	1,832	3,561	807	11,841
Total other comprehensive loss, net of tax	(5,787)	(10,557)	(2,547)	(36,371)
Comprehensive (income) loss attributable to noncontrolling interest	(5)	163	231	521
Comprehensive income (loss)	$ (1,920)	$ (7,839)	$ 20,774	$ (27,833)