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Comprehensive Income - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Comprehensive Income
Gain (loss) on sale of available-for-sale securities	$ 0	$ 0	$ 658	$ (1,536)
Income taxes	(642)	(1,218)	(3,304)	(3,639)
Salaries and employee benefits	(16,722)	(16,016)	(49,160)	(48,508)
Interest on investment securities	1,846	1,056	5,494	4,133
Amount Reclassified from AOCI
Comprehensive Income
Realized gain (loss) recognized in income, net of tax	(33)	(22)	401	(1,013)
Available-for-sale securities | Amount Reclassified from AOCI
Comprehensive Income
Gain (loss) on sale of available-for-sale securities	0	0	658	(1,536)
Income taxes	0	0	(158)	369
Realized gain (loss) recognized in income, net of tax	0	0	500	(1,167)
Defined benefit pension plan items | Amount Reclassified from AOCI
Comprehensive Income
Income taxes	10	7	30	21
Realized gain (loss) recognized in income, net of tax	(33)	(22)	(99)	(66)
Salaries and employee benefits	(43)	(29)	(129)	(87)
Investment hedge | Amount Reclassified from AOCI
Comprehensive Income
Income taxes	0	0	0	(69)
Realized gain (loss) recognized in income, net of tax	0	0	0	220
Interest on investment securities	$ 0	$ 0	$ 0	$ 289

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