Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net unrealized (loss) gain on cashflow	$ (6,641)	$ 22,203	$ 6,743
Net unrealized (loss) gain on cashflow, deferred tax	1,594	(5,329)	(1,618)
Net unrealized gain (loss) on fair value hedge	439	7,663	(550)
Net unrealized gain (loss) on securities fair value hedge, deferred tax	(105)	(1,839)	132
OCI, Debt securities, available-for-sale, unealized holding gain (loss), before adjustment and tax	11,434	(52,327)	(6,510)
OCI, Debt securities, available-for-sale, unealized holding gain (loss), before adjustment, tax	(2,744)	12,558	1,562
Other comprehensive income (loss), reclassification adjustment from AOCI for sale of securities, before tax	(266)	(708)	425
Other comprehensive income (loss), reclassification adjustment from AOCI for sale of securities, tax	64	170	(102)
Net change in actuarial (loss) gain on post-retirement benefits, before tax	(33)	214	64
Net change in actuarial (loss) gain on post-retirement benefits, tax	8	(51)	(15)
Net change in actuarial gain (loss) on defined-benefit pension plan, before tax	55	(70)	301
Net change in actuarial gain (loss) on defined-benefit pension plan, tax	$ (13)	$ 17	$ (72)