Loans and Allowance for Credit Losses - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Ending Balance	$ 15,534	$ 10,366	$ 15,534	$ 10,366
Provision charged to operations	265	500	967	500
Losses charged to allowance	(254)	(20)	(611)	(138)
Recoveries	60	13	420	404
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance	15,463	9,873	10,848	9,600
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance			3,910
Commercial:
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Ending Balance	1,440	2,091	1,440	2,091
Provision charged to operations	161	118	(630)	(269)
Losses charged to allowance	(236)	0	(558)	(18)
Recoveries	38	0	360	367
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance	1,477	1,973	1,814	2,011
Commercial: \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance			454
Real Estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Ending Balance	10,879	7,412	10,879	7,412
Provision charged to operations	195	418	1,383
Losses charged to allowance	0	0	0
Recoveries	0	0	0
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance	10,684	6,994	7,803
Real Estate \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance			1,693
Family Real Estate
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Ending Balance	2,420	7,412	2,420	7,412
Provision charged to operations	(71)		184	671
Losses charged to allowance	0		0	0
Recoveries	2		15	0
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance	2,489		607	6,741
Family Real Estate \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance			1,614
Consumer:
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Ending Balance	795	733	795	733
Provision charged to operations	(20)	(29)	30	248
Losses charged to allowance	(18)	(20)	(53)	(120)
Recoveries	20	13	45	37
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance	813	769	284	568
Consumer: \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance			489
Unallocated
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Ending Balance	$ 0	130	0	130
Provision charged to operations		(7)	0	(150)
Losses charged to allowance		0	0	0
Recoveries		0	0	0
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance		$ 137	340	$ 280
Unallocated \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Beginning Balance			$ (340)

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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