Risk category of loans by segment and by vintage reported under the CECL methodology (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Risk Category Of Loans By Segment And Vintage 2023 [Member]
Pass	$ 6,472
Special mention
Substandard
Doubtful
Loss
Total commercial & industrial	6,472
Pass	26,352
Special mention
Substandard
Doubtful
Loss
Total commercial real estate	26,352
Pass	12,583
Special mention
Substandard
Doubtful
Loss
Total residential real estate	12,583
Pass	790
Special mention
Substandard
Doubtful
Loss
Total consumer	790
Total loans	46,197
Total Gross Charge-offs	18
Total Recoveries	3
Total Net Charge-offs	15
Risk Category Of Loans By Segment And Vintage 2022 [Member]
Pass	55,315
Special mention	300
Substandard
Doubtful
Loss
Total commercial & industrial	55,615
Pass	147,533
Special mention
Substandard
Doubtful
Loss
Total commercial real estate	147,533
Pass	104,906
Special mention
Substandard
Doubtful
Loss
Total residential real estate	104,906
Pass	1,653
Special mention
Substandard
Doubtful
Loss
Total consumer	1,653
Total loans	309,707
Total Gross Charge-offs	(13)
Total Recoveries
Total Net Charge-offs	13
Risk Category Of Loans By Segment And Vintage 2021 [Member]
Pass	41,258
Special mention
Substandard
Doubtful
Loss
Total commercial & industrial	41,258
Pass	109,300
Special mention
Substandard
Doubtful
Loss
Total commercial real estate	109,300
Pass	115,289
Special mention
Substandard	668
Doubtful
Loss
Total residential real estate	115,957
Pass	945
Special mention
Substandard
Doubtful
Loss
Total consumer	945
Total loans	267,460
Total Gross Charge-offs	4
Total Recoveries
Total Net Charge-offs	4
Risk Category Of Loans By Segment And Vintage 2020 [Member]
Pass	30,157
Special mention
Substandard
Doubtful
Loss
Total commercial & industrial	30,157
Pass	67,765
Special mention	3,576
Substandard
Doubtful
Loss
Total commercial real estate	71,341
Pass	64,488
Special mention	21
Substandard
Doubtful
Loss
Total residential real estate	64,509
Pass	256
Special mention
Substandard
Doubtful
Loss
Total consumer	256
Total loans	166,263
Total Gross Charge-offs
Total Recoveries
Total Net Charge-offs
Risk Category Of Loans By Segment And Vintage 2019 [Member]
Pass	16,644
Special mention
Substandard	633
Doubtful
Loss
Total commercial & industrial	17,277
Pass	25,899
Special mention
Substandard	3,751
Doubtful
Loss
Total commercial real estate	29,650
Pass	27,118
Special mention
Substandard
Doubtful
Loss
Total residential real estate	27,118
Pass	408
Special mention
Substandard
Doubtful
Loss
Total consumer	408
Total loans	74,453
Total Gross Charge-offs
Total Recoveries
Total Net Charge-offs
Risk Category Of Loans By Segment And Vintage Prior [Member]
Pass	39,817
Special mention	5,584
Substandard	154
Doubtful
Loss
Total commercial & industrial	45,555
Pass	126,509
Special mention	2,942
Substandard	1,639
Doubtful
Loss
Total commercial real estate	131,090
Pass	127,790
Special mention	3,239
Substandard	1,239
Doubtful
Loss
Total residential real estate	132,268
Pass	15,492
Special mention
Substandard	4
Doubtful
Loss
Total consumer	15,496
Total loans	324,409
Total Gross Charge-offs
Total Recoveries
Total Net Charge-offs
Risk Category Of Loans By Segment And Vintage Revolving Loans Amortized Cost Basis [Member]
Pass	34,648
Special mention	350
Substandard	701
Doubtful
Loss
Total commercial & industrial	35,699
Pass
Special mention
Substandard
Doubtful
Loss
Total commercial real estate
Pass	165
Special mention
Substandard
Doubtful
Loss
Total residential real estate	165
Pass	22,808
Special mention	97
Substandard	8
Doubtful
Loss
Total consumer	22,913
Total loans	58,777
Total Gross Charge-offs
Total Recoveries
Total Net Charge-offs
Risk Category Of Loans By Segment And Vintage Revolving Loans Converted To Term [Member]
Pass
Special mention
Substandard
Doubtful
Loss
Total commercial & industrial
Pass
Special mention
Substandard
Doubtful
Loss
Total commercial real estate
Pass
Special mention
Substandard
Doubtful
Loss
Total residential real estate
Pass	2,439
Special mention	61
Substandard
Doubtful
Loss
Total consumer	2,500
Total loans	2,500
Total Gross Charge-offs
Total Recoveries
Total Net Charge-offs
Risk Category Of Loans By Segment And Vintage Total [Member]
Pass	224,311
Special mention	6,234
Substandard	1,488
Doubtful
Loss
Total commercial & industrial	232,033
Pass	503,358
Special mention	6,518
Substandard	5,390
Doubtful
Loss
Total commercial real estate	515,266
Pass	452,339
Special mention	3,260
Substandard	1,907
Doubtful
Loss
Total residential real estate	457,506
Pass	44,791
Special mention	158
Substandard	12
Doubtful
Loss
Total consumer	44,961
Total loans	1,249,766
Total Gross Charge-offs	(35)
Total Recoveries	3
Total Net Charge-offs	$ 32