Loans - Individually Analyzed Loans by Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Recorded Investment
Recorded investment, with no related allowance	$ 4,359	$ 8,968
Recorded investment, with related allowance	1,801	3,084
Recorded Investment	6,160	12,052
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	4,942	10,453
Unpaid principal balance with related allowance	1,906	3,307
Unpaid Principal Balance	6,848	13,760
Related Allowance	398	576
Average Recorded Investment
Average recorded investment, with no related allowance	6,732	9,553
Average recorded investment, with related allowance	2,804	3,568
Average Recorded Investment	9,536	13,121
Recognized Interest Income
Recognized interest income, with no related allowance	154	166
Recognized interest income, with related allowance	50	76
Recognized Interest Income	204	242
Commercial | Real estate
Recorded Investment
Recorded investment, with no related allowance	1,236	1,386
Recorded investment, with related allowance	0	42
Recorded Investment	1,236	1,428
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	1,532	1,689
Unpaid principal balance with related allowance	0	71
Unpaid Principal Balance	1,532	1,760
Related Allowance	0	42
Average Recorded Investment
Average recorded investment, with no related allowance	1,440	1,590
Average recorded investment, with related allowance	11	614
Average Recorded Investment	1,451	2,204
Recognized Interest Income
Recognized interest income, with no related allowance	50	63
Recognized interest income, with related allowance	0	0
Recognized Interest Income	50	63
Commercial | Construction
Recorded Investment
Recorded investment, with no related allowance	685	28
Recorded investment, with related allowance	0	661
Recorded Investment	685	689
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	687	28
Unpaid principal balance with related allowance	0	661
Unpaid Principal Balance	687	689
Related Allowance	0	16
Average Recorded Investment
Average recorded investment, with no related allowance	81	22
Average recorded investment, with related allowance	606	661
Average Recorded Investment	687	683
Recognized Interest Income
Recognized interest income, with no related allowance	35	0
Recognized interest income, with related allowance	0	22
Recognized Interest Income	35	22
Commercial | Other
Recorded Investment
Recorded investment, with no related allowance	301	917
Recorded investment, with related allowance	545	386
Recorded Investment	846	1,303
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	348	1,009
Unpaid principal balance with related allowance	647	411
Unpaid Principal Balance	995	1,420
Related Allowance	298	381
Average Recorded Investment
Average recorded investment, with no related allowance	408	1,051
Average recorded investment, with related allowance	693	396
Average Recorded Investment	1,101	1,447
Recognized Interest Income
Recognized interest income, with no related allowance	13	15
Recognized interest income, with related allowance	0	0
Recognized Interest Income	13	15
Municipal
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
Residential | Construction
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
Residential | Term
Recorded Investment
Recorded investment, with no related allowance	1,833	6,178
Recorded investment, with related allowance	1,256	1,995
Recorded Investment	3,089	8,173
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	2,035	7,238
Unpaid principal balance with related allowance	1,259	2,164
Unpaid Principal Balance	3,294	9,402
Related Allowance	100	137
Average Recorded Investment
Average recorded investment, with no related allowance	4,507	6,429
Average recorded investment, with related allowance	1,486	1,897
Average Recorded Investment	5,993	8,326
Recognized Interest Income
Recognized interest income, with no related allowance	56	87
Recognized interest income, with related allowance	50	54
Recognized Interest Income	106	141
Home Equity
Recorded Investment
Recorded investment, with no related allowance	304	457
Recorded investment, with related allowance	0	0
Recorded Investment	304	457
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	340	487
Unpaid principal balance with related allowance	0	0
Unpaid Principal Balance	340	487
Related Allowance	0	0
Average Recorded Investment
Average recorded investment, with no related allowance	295	461
Average recorded investment, with related allowance	8	0
Average Recorded Investment	303	461
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
Consumer
Recorded Investment
Recorded investment, with no related allowance	0	2
Recorded investment, with related allowance	0	0
Recorded Investment	0	2
Unpaid Principal Balance
Unpaid principal balance, with no related allowance	0	2
Unpaid principal balance with related allowance	0	0
Unpaid Principal Balance	0	2
Related Allowance	0	0
Average Recorded Investment
Average recorded investment, with no related allowance	1	0
Average recorded investment, with related allowance	0	0
Average Recorded Investment	1	0
Recognized Interest Income
Recognized interest income, with no related allowance	0	1
Recognized interest income, with related allowance	0	0
Recognized Interest Income	$ 0	$ 1