Comprehensive Income - Schedule of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Before-Tax Amount
Other comprehensive income, before tax	$ 949	$ 7,644
Tax Benefit (Expense)
Other comprehensive income, tax	(247)	(1,972)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	860	5,506
Reclassification from AOCI, current period	(158)	166
Other Comprehensive Income	702	5,672
Net Unrealized Securities Holding Loss on Securities Available-for-Sale Arising During the Period
Before-Tax Amount
OCI, before reclassifications	(2,062)	8,219
Tax Benefit (Expense)
Other comprehensive (loss) income before reclassifications, tax	532	(2,120)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	(1,530)	6,099
Reclassification from AOCI, current period	0	0
Other Comprehensive Income	(1,530)	6,099
Unrealized Gain on Cash Flow Swap
Before-Tax Amount
OCI, before reclassifications	3,221	(800)
Reclassification from AOCI, current period	(213)	198
Tax Benefit (Expense)
Other comprehensive (loss) income before reclassifications, tax	(831)	207
Reclassification from AOCI, current period	55	(51)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	2,390	(593)
Reclassification from AOCI, current period	(158)	147
Other Comprehensive Income	2,232	(446)
Amortization of Net Retirement Plan Actuarial Gain
Before-Tax Amount
Reclassification from AOCI, current period	(66)	(25)
Tax Benefit (Expense)
Reclassification from AOCI, current period	16	7
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	0	0
Reclassification from AOCI, current period	(50)	(18)
Other Comprehensive Income	(50)	(18)
Amortization of Net Retirement Plan Prior Service Cost
Before-Tax Amount
Reclassification from AOCI, current period	69	52
Tax Benefit (Expense)
Reclassification from AOCI, current period	(19)	(15)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	0	0
Reclassification from AOCI, current period	50	37
Other Comprehensive Income	$ 50	$ 37