Other Comprehensive Income - Schedule of Components of Other Comprehensive Income and Related Tax Effects (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss)	$ 6,442	$ (52,126)	$ (15,468)
AOCI, Gain (Loss), Debt Securities, Available-for-Sale, without Allowance for Credit Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before reclassifications	7,785	(67,167)	(19,526)
Reclassifications	(52)	(651)	(783)
Net unrealized gains (losses)	7,733	(67,818)	(20,309)
Tax effect	(1,624)	14,242	4,265
Total other comprehensive income (loss)	6,109	(53,576)	(16,044)
AOCI, Gain (Loss), Debt Securities, Available-for-Sale, with Allowance for Credit Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized gains (losses)	748	1,107	0
Tax effect	(157)	(232)	0
Total other comprehensive income (loss)	591	875	0
Unrealized gains (losses) on postretirement benefits plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before reclassifications	(2)	303	391
Reclassifications	(174)	(113)	(43)
Net unrealized gains (losses)	(176)	190	348
Tax effect	37	(40)	(73)
Total other comprehensive income (loss)	(139)	150	275
Unrealized gains (losses) on interest rate swap
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before reclassifications	0	411	105
Reclassifications	(151)	127	276
Net unrealized gains (losses)	(151)	538	381
Tax effect	32	(113)	(80)
Total other comprehensive income (loss)	$ (119)	$ 425	$ 301