Loans - Individually Analyzed Loans by Class (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Recorded Investment
Recorded investment, with no related allowance	$ 384	$ 3,878	$ 384	$ 3,878	$ 4,359
Recorded investment, with related allowance	929	2,477	929	2,477	1,801
Recorded Investment	1,313	6,355	1,313	6,355	6,160
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	411	4,511	411	4,511	4,942
Unpaid principal balance with related allowance	1,029	2,575	1,029	2,575	1,906
Unpaid Principal Balance	1,440	7,086	1,440	7,086	6,848
Related Allowance	266	420	266	420	398
Average Recorded Investment
Average recorded investment, with no related allowance	384	6,659	2,124	7,635	6,732
Average recorded investment, with related allowance	1,063	2,724	1,389	2,993	2,804
Average Recorded Investment	1,447	9,383	3,513	10,628	9,536
Recognized Interest Income
Recognized interest income, with no related allowance	(4)	7	15	92	154
Recognized interest income, with related allowance	(2)	25	10	61	50
Recognized Interest Income	(6)	32	25	153	204
Commercial \| Real estate owner occupied
Recorded Investment
Recorded investment, with no related allowance	0		0
Recorded investment, with related allowance	0		0
Recorded Investment	0		0
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0		0
Unpaid principal balance with related allowance	0		0
Unpaid Principal Balance	0		0
Related Allowance	0		0
Average Recorded Investment
Average recorded investment, with no related allowance	0		143
Average recorded investment, with related allowance	0		0
Average Recorded Investment	0		143
Recognized Interest Income
Recognized interest income, with no related allowance	0		0
Recognized interest income, with related allowance	0		0
Recognized Interest Income	0		0
Commercial \| Real Estate
Recorded Investment
Recorded investment, with no related allowance		1,295		1,295	1,236
Recorded investment, with related allowance		0		0	0
Recorded Investment		1,295		1,295	1,236
Unpaid Principal Balance
Unpaid principal balance, with no related allowance		1,607		1,607	1,532
Unpaid principal balance with related allowance		0		0	0
Unpaid Principal Balance		1,607		1,607	1,532
Related Allowance		0		0	0
Average Recorded Investment
Average recorded investment, with no related allowance		1,314		1,497	1,440
Average recorded investment, with related allowance		0		14	11
Average Recorded Investment		1,314		1,511	1,451
Recognized Interest Income
Recognized interest income, with no related allowance		14		42	50
Recognized interest income, with related allowance		0		0	0
Recognized Interest Income		14		42	50
Commercial \| Real estate non-owner occupied
Recorded Investment
Recorded investment, with no related allowance	0		0
Recorded investment, with related allowance	0		0
Recorded Investment	0		0
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0		0
Unpaid principal balance with related allowance	0		0
Unpaid Principal Balance	0		0
Related Allowance	0		0
Average Recorded Investment
Average recorded investment, with no related allowance	0		537
Average recorded investment, with related allowance	0		0
Average Recorded Investment	0		537
Recognized Interest Income
Recognized interest income, with no related allowance	(12)		0
Recognized interest income, with related allowance	0		0
Recognized Interest Income	(12)		0
Commercial \| Construction
Recorded Investment
Recorded investment, with no related allowance	0	25	0	25	685
Recorded investment, with related allowance	0	661	0	661	0
Recorded Investment	0	686	0	686	685
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0	27	0	27	687
Unpaid principal balance with related allowance	0	661	0	661	0
Unpaid Principal Balance	0	688	0	688	687
Related Allowance	0	6	0	6	0
Average Recorded Investment
Average recorded investment, with no related allowance	0	25	157	26	81
Average recorded investment, with related allowance	0	661	0	661	606
Average Recorded Investment	0	686	157	687	687
Recognized Interest Income
Recognized interest income, with no related allowance	0	0	0	0	35
Recognized interest income, with related allowance	0	16	0	27	0
Recognized Interest Income	0	16	0	27	35
Commercial \| C&I
Recorded Investment
Recorded investment, with no related allowance	0		0
Recorded investment, with related allowance	363		363
Recorded Investment	363		363
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0		0
Unpaid principal balance with related allowance	456		456
Unpaid Principal Balance	456		456
Related Allowance	225		225
Average Recorded Investment
Average recorded investment, with no related allowance	0		72
Average recorded investment, with related allowance	366		502
Average Recorded Investment	366		574
Recognized Interest Income
Recognized interest income, with no related allowance	0		0
Recognized interest income, with related allowance	0		0
Recognized Interest Income	0		0
Commercial \| Other
Recorded Investment
Recorded investment, with no related allowance		399		399	301
Recorded investment, with related allowance		552		552	545
Recorded Investment		951		951	846
Unpaid Principal Balance
Unpaid principal balance, with no related allowance		459		459	348
Unpaid principal balance with related allowance		647		647	647
Unpaid Principal Balance		1,106		1,106	995
Related Allowance		315		315	298
Average Recorded Investment
Average recorded investment, with no related allowance		405		432	408
Average recorded investment, with related allowance		679		745	693
Average Recorded Investment		1,084		1,177	1,101
Recognized Interest Income
Recognized interest income, with no related allowance		2		10	13
Recognized interest income, with related allowance		0		0	0
Recognized Interest Income		2		10	13
Commercial \| Multifamily
Recorded Investment
Recorded investment, with no related allowance	0		0
Recorded investment, with related allowance	0		0
Recorded Investment	0		0
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0		0
Unpaid principal balance with related allowance	0		0
Unpaid Principal Balance	0		0
Related Allowance	0		0
Average Recorded Investment
Average recorded investment, with no related allowance	0		0
Average recorded investment, with related allowance	0		0
Average Recorded Investment	0		0
Recognized Interest Income
Recognized interest income, with no related allowance	0		0
Recognized interest income, with related allowance	0		0
Recognized Interest Income	0		0
Municipal
Recorded Investment
Recorded investment, with no related allowance	0	0	0	0	0
Recorded investment, with related allowance	0	0	0	0	0
Recorded Investment	0	0	0	0	0
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0	0	0	0	0
Unpaid principal balance with related allowance	0	0	0	0	0
Unpaid Principal Balance	0	0	0	0	0
Related Allowance	0	0	0	0	0
Average Recorded Investment
Average recorded investment, with no related allowance	0	0	0	0	0
Average recorded investment, with related allowance	0	0	0	0	0
Average Recorded Investment	0	0	0	0	0
Recognized Interest Income
Recognized interest income, with no related allowance	0	0	0	0	0
Recognized interest income, with related allowance	0	0	0	0	0
Recognized Interest Income	0	0	0	0	0
Residential \| Construction
Recorded Investment
Recorded investment, with no related allowance	0	0	0	0	0
Recorded investment, with related allowance	0	0	0	0	0
Recorded Investment	0	0	0	0	0
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0	0	0	0	0
Unpaid principal balance with related allowance	0	0	0	0	0
Unpaid Principal Balance	0	0	0	0	0
Related Allowance	0	0	0	0	0
Average Recorded Investment
Average recorded investment, with no related allowance	0	0	0	0	0
Average recorded investment, with related allowance	0	0	0	0	0
Average Recorded Investment	0	0	0	0	0
Recognized Interest Income
Recognized interest income, with no related allowance	0	0	0	0	0
Recognized interest income, with related allowance	0	0	0	0	0
Recognized Interest Income	0	0	0	0	0
Residential \| Term
Recorded Investment
Recorded investment, with no related allowance	384	1,912	384	1,912	1,833
Recorded investment, with related allowance	566	1,264	566	1,264	1,256
Recorded Investment	950	3,176	950	3,176	3,089
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	411	2,139	411	2,139	2,035
Unpaid principal balance with related allowance	573	1,267	573	1,267	1,259
Unpaid Principal Balance	984	3,406	984	3,406	3,294
Related Allowance	41	99	41	99	100
Average Recorded Investment
Average recorded investment, with no related allowance	384	4,666	977	5,380	4,507
Average recorded investment, with related allowance	697	1,384	878	1,562	1,486
Average Recorded Investment	1,081	6,050	1,855	6,942	5,993
Recognized Interest Income
Recognized interest income, with no related allowance	8	(9)	15	40	56
Recognized interest income, with related allowance	(2)	9	10	34	50
Recognized Interest Income	6	0	25	74	106
Home Equity
Recorded Investment
Recorded investment, with no related allowance	0	247	0	247	304
Recorded investment, with related allowance	0	0	0	0	0
Recorded Investment	0	247	0	247	304
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0	279	0	279	340
Unpaid principal balance with related allowance	0	0	0	0	0
Unpaid Principal Balance	0	279	0	279	340
Related Allowance	0	0	0	0	0
Average Recorded Investment
Average recorded investment, with no related allowance	0	249	238	299	295
Average recorded investment, with related allowance	0	0	9	11	8
Average Recorded Investment	0	249	247	310	303
Recognized Interest Income
Recognized interest income, with no related allowance	0	0	0	0	0
Recognized interest income, with related allowance	0	0	0	0	0
Recognized Interest Income	0	0	0	0	0
Consumer
Recorded Investment
Recorded investment, with no related allowance	0	0	0	0	0
Recorded investment, with related allowance	0	0	0	0	0
Recorded Investment	0	0	0	0	0
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0	0	0	0	0
Unpaid principal balance with related allowance	0	0	0	0	0
Unpaid Principal Balance	0	0	0	0	0
Related Allowance	0	0	0	0	0
Average Recorded Investment
Average recorded investment, with no related allowance	0	0	0	1	1
Average recorded investment, with related allowance	0	0	0	0	0
Average Recorded Investment	0	0	0	1	1
Recognized Interest Income
Recognized interest income, with no related allowance	0	0	0	0	0
Recognized interest income, with related allowance	0	0	0	0	0
Recognized Interest Income	$ 0	$ 0	$ 0	$ 0	$ 0

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