Comprehensive Income - Schedule of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Before-Tax Amount
Other Comprehensive (Loss) Income, before tax	$ 1,456	$ (4,892)	$ 2,405	$ 2,752
Tax (Expense) Benefit
Other Comprehensive (Loss) Income, tax	(374)	1,262	(621)	(710)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	1,256	(3,790)	2,116	1,716
Reclassification from AOCI, current period	(174)	160	(332)	326
Other Comprehensive Income (Loss)	1,082	(3,630)	1,784	2,042
Net Unrealized Securities Holding Gain (Loss) on Securities Available-for-Sale Arising During the Period
Before-Tax Amount
OCI, before reclassifications	1,014	(5,186)	(1,048)	3,033
Tax (Expense) Benefit
Other comprehensive (loss) income before reclassifications, tax	(263)	1,337	269	(783)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	751	(3,849)	(779)	2,250
Reclassification from AOCI, current period	0	0	0	0
Other Comprehensive Income (Loss)	751	(3,849)	(779)	2,250
Net Unrealized Gain (Loss) on Cash Flow Swap
Before-Tax Amount
OCI, before reclassifications	680	79	3,901	(721)
Reclassification from AOCI, current period	(215)	220	(428)	418
Tax (Expense) Benefit
Other comprehensive (loss) income before reclassifications, tax	(175)	(20)	(1,006)	187
Reclassification from AOCI, current period	56	(57)	111	(108)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	505	59	2,895	(534)
Reclassification from AOCI, current period	(159)	163	(317)	310
Other Comprehensive Income (Loss)	346	222	2,578	(224)
Amortization of Net Retirement Plan Actuarial Gain
Before-Tax Amount
Reclassification from AOCI, current period	(91)	(56)	(157)	(81)
Tax (Expense) Benefit
Reclassification from AOCI, current period	25	14	41	21
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	0	0	0	0
Reclassification from AOCI, current period	(66)	(42)	(116)	(60)
Other Comprehensive Income (Loss)	(66)	(42)	(116)	(60)
Amortization of Net Retirement Plan Prior Service Cost
Before-Tax Amount
Reclassification from AOCI, current period	68	51	137	103
Tax (Expense) Benefit
Reclassification from AOCI, current period	(17)	(12)	(36)	(27)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	0	0	0	0
Reclassification from AOCI, current period	51	39	101	76
Other Comprehensive Income (Loss)	$ 51	$ 39	$ 101	$ 76