Comprehensive Income - Schedule of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Before-Tax Amount
Other Comprehensive (Loss) Income, before tax	$ (842)	$ 3,545	$ (1,820)	$ 10,193
Tax (Expense) Benefit
Other Comprehensive (Loss) Income	216	(914)	467	(2,629)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	(620)	3,102	(1,528)	8,364
Reclassification from AOCI, current period	(6)	(471)	175	(800)
Other Comprehensive (Loss) Income	(626)	2,631	(1,353)	7,564
Net Unrealized Securities Holding (Loss) Gain on Securities Available-for-Sale Arising During the Period
Before-Tax Amount
OCI, before reclassifications	(1,963)	4,387	(4,402)	13,032
Tax (Expense) Benefit
Other comprehensive (loss) income before reclassifications, tax	506	(1,131)	1,135	(3,360)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	(1,457)	3,256	(3,267)	9,672
Reclassification from AOCI, current period	0	0	0	0
Other Comprehensive (Loss) Income	(1,457)	3,256	(3,267)	9,672
Net Unrealized Gains (Losses) on Cash Flow Hedge Agreements
Before-Tax Amount
OCI, before reclassifications	1,131	(208)	2,347	(1,762)
Reclassification from AOCI, current period	58	(558)	349	(988)
Tax (Expense) Benefit
Other comprehensive (loss) income before reclassifications, tax	(294)	54	(608)	454
Reclassification from AOCI, current period	(14)	144	(89)	255
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	837	(154)	1,739	(1,308)
Reclassification from AOCI, current period	44	(414)	260	(733)
Other Comprehensive (Loss) Income	881	(568)	1,999	(2,041)
Amortization of Net Retirement Plan Actuarial Gain
Before-Tax Amount
Reclassification from AOCI, current period	(137)	(159)	(254)	(255)
Tax (Expense) Benefit
Reclassification from AOCI, current period	35	41	65	66
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	0	0	0	0
Reclassification from AOCI, current period	(102)	(118)	(189)	(189)
Other Comprehensive (Loss) Income	(102)	(118)	(189)	(189)
Amortization of Net Retirement Plan Prior Service Cost
Before-Tax Amount
Reclassification from AOCI, current period	69	83	140	166
Tax (Expense) Benefit
Reclassification from AOCI, current period	(17)	(22)	(36)	(44)
Net-of-Tax Amount
Other comprehensive (loss) income before reclassifications	0	0	0	0
Reclassification from AOCI, current period	52	61	104	122
Other Comprehensive (Loss) Income	$ 52	$ 61	$ 104	$ 122

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