Comprehensive Income - Changes in Accumulated Other Comprehensive Income By Component (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 383,018	$ 361,443	$ 379,772	$ 353,538
Other comprehensive income or loss before reclassifications	5,818	(5,161)	7,934	(3,445)
Amounts reclassified from accumulated other comprehensive income or loss	(154)	190	(486)	516
Other Comprehensive Income (Loss)	5,664	(4,971)	7,448	(2,929)
Ending balance	393,311	360,014	393,311	360,014
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(31,632)	(47,613)	(33,416)	(49,655)
Other Comprehensive Income (Loss)	5,664	(4,971)	7,448	(2,929)
Ending balance	(25,968)	(52,584)	(25,968)	(52,584)
Net Unrealized Securities Holding Gain on Securities Available-for-Sale Arising During the Period
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(32,427)	(46,591)	(31,648)	(48,841)
Other comprehensive income or loss before reclassifications	9,282	(5,786)	8,503	(3,536)
Amounts reclassified from accumulated other comprehensive income or loss	0	0	0	0
Other Comprehensive Income (Loss)	9,282	(5,786)	8,503	(3,536)
Ending balance	(23,145)	(52,377)	(23,145)	(52,377)
Net Unrealized Gain (Loss) on Cash Flow Swap
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	4,289	3,830	1,711	4,054
Other comprehensive income or loss before reclassifications	(3,464)	625	(569)	91
Amounts reclassified from accumulated other comprehensive income or loss	(146)	181	(463)	491
Other Comprehensive Income (Loss)	(3,610)	806	(1,032)	582
Ending balance	679	4,636	679	4,636
Net Actuarial Gain (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(2,955)	(4,527)	(2,839)	(4,467)
Other comprehensive income or loss before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive income or loss	(58)	(30)	(174)	(90)
Other Comprehensive Income (Loss)	(58)	(30)	(174)	(90)
Ending balance	(3,013)	(4,557)	(3,013)	(4,557)
Net Prior Service (Cost) Credit
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(539)	(325)	(640)	(401)
Other comprehensive income or loss before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive income or loss	50	39	151	115
Other Comprehensive Income (Loss)	50	39	151	115
Ending balance	$ (489)	$ (286)	$ (489)	$ (286)