Allowance for Credit Losses - Activity by Class (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 24,693	$ 23,465	$ 24,030	$ 16,723	$ 16,723
Charge offs	(150)	(86)	(341)	(208)	(437)
Recoveries	36	104	252	178	204
Credit loss (reduction) expense	(580)	(161)	58	419	1,330
Ending balance	23,999	23,322	23,999	23,322	24,030
Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				6,210	6,210
Commercial | Real estate owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,253	4,719	4,633	6,116	6,116
Charge offs	0	(1)	0	(40)	(40)
Recoveries	0	2	100	2	2
Credit loss (reduction) expense	(134)	(209)	386	119	241
Ending balance	5,119	4,511	5,119	4,511	4,633
Commercial | Real estate owner occupied | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				(1,686)	(1,686)
Commercial | Real estate non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,248	4,492	4,285	0	0
Charge offs	0	0	0	0	0
Recoveries	0	75	0	75	75
Credit loss (reduction) expense	723	(138)	686	39	(105)
Ending balance	4,971	4,429	4,971	4,429	4,285
Commercial | Real estate non-owner occupied | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				4,315	4,315
Commercial | Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	922	1,469	1,978	821	821
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss (reduction) expense	(115)	133	(1,171)	(162)	214
Ending balance	807	1,602	807	1,602	1,978
Commercial | Construction | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				943	943
Commercial | C&I
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,021	4,721	5,001	3,097	3,097
Charge offs	(88)	(16)	(88)	(16)	(153)
Recoveries	1	0	24	3	3
Credit loss (reduction) expense	(272)	92	(275)	68	409
Ending balance	4,662	4,797	4,662	4,797	5,001
Commercial | C&I | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				1,645	1,645
Commercial | Multifamily
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,567	1,312	1,318	0	0
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss (reduction) expense	(305)	(35)	(56)	93	134
Ending balance	1,262	1,277	1,262	1,277	1,318
Commercial | Multifamily | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				1,184	1,184
Commercial | Agriculture
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	428		0
Charge offs	0		0
Recoveries	0		0
Credit loss (reduction) expense	185		613
Ending balance	613		613		0
Municipal
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	180	399	334	162	162
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss (reduction) expense	86	(23)	(68)	82	40
Ending balance	266	376	266	376	334
Municipal | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				132	132
Residential
Allowance for Loan and Lease Losses [Roll Forward]
Charge offs				0
Residential | Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	587	609	618	199	199
Charge offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Credit loss (reduction) expense	(162)	(33)	(193)	(358)	(316)
Ending balance	425	576	425	576	618
Residential | Construction | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				735	735
Residential | Term
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,560	4,831	4,991	2,559	2,559
Charge offs	0	0	(36)	0	0
Recoveries	1	4	30	10	14
Credit loss (reduction) expense	(510)	51	66	439	540
Ending balance	5,051	4,886	5,051	4,886	4,991
Residential | Term | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				1,878	1,878
Home Equity
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	744	635	626	1,029	1,029
Charge offs	0	0	(7)	0	(50)
Recoveries	3	3	21	10	13
Credit loss (reduction) expense	(84)	(21)	23	34	90
Ending balance	663	617	663	617	626
Home Equity | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				(456)	(456)
Consumer
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	183	278	246	1,062	1,062
Charge offs	(62)	(69)	(210)	(152)	(194)
Recoveries	31	20	77	78	97
Credit loss (reduction) expense	8	22	47	65	83
Ending balance	$ 160	251	160	251	246
Consumer | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				(802)	(802)
Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance		0	$ 0	1,678	1,678
Charge offs		0		0	0
Recoveries		0		0	0
Credit loss (reduction) expense		0		0	0
Ending balance		$ 0		0	0
Unallocated | Impact of adopting ASC 326
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance				$ (1,678)	$ (1,678)