Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 218,970	$ 207,530	$ 212,800	$ 208,470
Net change during the period	11,605	(13,988)	11,727	(30,516)
Ending balance	220,567	202,212	220,567	202,212
Debt securities, available-for-sale, realized gain (loss)	(17,100)	0	(17,300)	0
Gain (loss) on available-for-sale securities, related tax			(3,600)
Accumulated Other Comprehensive (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(28,575)	(16,928)	(28,697)	(400)
Net change during the period	11,605	(13,988)	11,727	(30,516)
Ending balance	(16,970)	(30,916)	(16,970)	(30,916)
Unrealized Gain (Loss) on Available-for-sale Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(28,942)	(789)
Net change during the period			11,800	(30,401)
Ending balance	(17,142)	(31,190)	(17,142)	(31,190)
Unrealized Gains on Securities Transferred from Available-for-sale to Held-to-maturity
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			245	389
Net change during the period			(73)	(115)
Ending balance	$ 172	$ 274	$ 172	$ 274