Comprehensive Income (Loss), Net of Tax - Changes in Accumulated Other Comprehensive Income By Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 400,901	$ 379,772
Other comprehensive income (loss) before reclassifications	15,141	14,595	$ 8,897
Amounts reclassified from accumulated other comprehensive (loss) income	(725)	368	7,342
Other Comprehensive Income	14,416	14,963	16,239
Ending balance	431,852	400,901	379,772
Accumu- lated Other Compre- hensive (Loss) Income
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(18,453)	(33,416)	(49,655)
Other Comprehensive Income	14,416	14,963
Ending balance	(4,037)	(18,453)	(33,416)
Unrealized Gains And Losses On Available-for-Sale Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(27,292)	(31,648)	(48,841)
Other comprehensive income (loss) before reclassifications	14,493	2,101	10,441
Amounts reclassified from accumulated other comprehensive (loss) income	0	2,255	6,752
Other Comprehensive Income	14,493	4,356	17,193
Ending balance	(12,799)	(27,292)	(31,648)
Unrealized Gain on Cash Flow Swap
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	4,677	1,711	4,054
Other comprehensive income (loss) before reclassifications	(1,610)	4,823	(2,900)
Amounts reclassified from accumulated other comprehensive (loss) income	(592)	(1,857)	557
Other Comprehensive Income	(2,202)	2,966	(2,343)
Ending balance	2,475	4,677	1,711
Net Actuarial Gain (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	4,927	(2,839)	(4,467)
Other comprehensive income (loss) before reclassifications	2,258	7,998	1,747
Amounts reclassified from accumulated other comprehensive (loss) income	(378)	(232)	(119)
Other Comprehensive Income	1,880	7,766	1,628
Ending balance	6,807	4,927	(2,839)
Net Prior Service (Cost) Credit
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(765)	(640)	(401)
Other comprehensive income (loss) before reclassifications	0	(327)	(391)
Amounts reclassified from accumulated other comprehensive (loss) income	245	202	152
Other Comprehensive Income	245	(125)	(239)
Ending balance	$ (520)	$ (765)	$ (640)