Comprehensive Income - Changes in Accumulated Other Comprehensive Income By Component (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 377,986	$ 363,371	$ 379,772	$ 353,538
Other comprehensive income or loss before reclassifications	1,256	(3,790)	2,116	1,716
Amounts reclassified from accumulated other comprehensive income or loss	(174)	160	(332)	326
Other Comprehensive Income (Loss)	1,082	(3,630)	1,784	2,042
Ending balance	383,018	361,443	383,018	361,443
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(32,714)	(43,983)	(33,416)	(49,655)
Other Comprehensive Income (Loss)	1,082	(3,630)	1,784	2,042
Ending balance	(31,632)	(47,613)	(31,632)	(47,613)
Net Unrealized Securities Holding Gain (Loss) on Securities Available-for-Sale Arising During the Period
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(33,178)	(42,742)	(31,648)	(48,841)
Other comprehensive income or loss before reclassifications	751	(3,849)	(779)	2,250
Amounts reclassified from accumulated other comprehensive income or loss	0	0	0	0
Other Comprehensive Income (Loss)	751	(3,849)	(779)	2,250
Ending balance	(32,427)	(46,591)	(32,427)	(46,591)
Net Unrealized Gain (Loss) on Cash Flow Swap
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	3,943	3,608	1,711	4,054
Other comprehensive income or loss before reclassifications	505	59	2,895	(534)
Amounts reclassified from accumulated other comprehensive income or loss	(159)	163	(317)	310
Other Comprehensive Income (Loss)	346	222	2,578	(224)
Ending balance	4,289	3,830	4,289	3,830
Net Actuarial Gain (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(2,889)	(4,485)	(2,839)	(4,467)
Other comprehensive income or loss before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive income or loss	(66)	(42)	(116)	(60)
Other Comprehensive Income (Loss)	(66)	(42)	(116)	(60)
Ending balance	(2,955)	(4,527)	(2,955)	(4,527)
Net Prior Service (Cost) Credit
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(590)	(364)	(640)	(401)
Other comprehensive income or loss before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive income or loss	51	39	101	76
Other Comprehensive Income (Loss)	51	39	101	76
Ending balance	$ (539)	$ (325)	$ (539)	$ (325)