Allowance for Credit Losses on Loans and Off-Balance Sheet Credit Exposures - Schedule Of Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
2023	$ 187,370
2022	255,724
2021	191,308
2020	75,768
2019	62,416
Prior	204,765
Revolving	44,232
Total	1,021,583	$ 958,157
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total		760,931
Satisfactory/Monitor
Financing Receivable, Credit Quality Indicator [Line Items]
Total		186,087
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total		11,139
Residential Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total		352,433
Residential Real Estate | Non-revolving residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	67,651
2022	120,960
2021	90,658
2020	32,352
2019	9,477
Prior	61,234
Revolving	0
Total	382,332	335,470
Residential Real Estate | Revolving residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	17,652
Total	17,652	16,963
Residential Real Estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total		328,885
Residential Real Estate | Pass | Non-revolving residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	65,172
2022	114,096
2021	84,886
2020	30,026
2019	9,086
Prior	55,270
Revolving	0
Total	358,536
Residential Real Estate | Pass | Revolving residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	16,083
Total	16,083
Residential Real Estate | Satisfactory/Monitor
Financing Receivable, Credit Quality Indicator [Line Items]
Total		21,429
Residential Real Estate | Satisfactory/Monitor | Non-revolving residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	2,479
2022	6,864
2021	5,772
2020	2,303
2019	391
Prior	5,497
Revolving	0
Total	23,306
Residential Real Estate | Satisfactory/Monitor | Revolving residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	1,506
Total	1,506
Residential Real Estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total		2,119
Residential Real Estate | Substandard | Non-revolving residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	23
2019	0
Prior	467
Revolving	0
Total	490
Residential Real Estate | Substandard | Revolving residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	63
Total	63
Construction Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total		96,620
Construction Real Estate | Commercial construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	8,797
2022	15,002
2021	26,099
2020	965
2019	450
Prior	1,110
Revolving	0
Total	52,423	56,501
Construction Real Estate | Residential construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	21,283
2022	23,619
2021	3,628
2020	1,296
2019	0
Prior	0
Revolving	0
Total	49,826	40,119
Construction Real Estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total		47,356
Construction Real Estate | Pass | Commercial construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	4,739
2022	5,433
2021	2,872
2020	631
2019	450
Prior	983
Revolving	0
Total	15,108
Construction Real Estate | Pass | Residential construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	16,844
2022	21,110
2021	498
2020	0
2019	0
Prior	0
Revolving	0
Total	38,452
Construction Real Estate | Satisfactory/Monitor
Financing Receivable, Credit Quality Indicator [Line Items]
Total		49,206
Construction Real Estate | Satisfactory/Monitor | Commercial construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	4,058
2022	9,569
2021	23,227
2020	334
2019	0
Prior	127
Revolving	0
Total	37,315
Construction Real Estate | Satisfactory/Monitor | Residential construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	4,439
2022	2,509
2021	3,130
2020	1,296
2019	0
Prior	0
Revolving	0
Total	11,374
Construction Real Estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total		58
Construction Real Estate | Substandard | Commercial construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Construction Real Estate | Substandard | Residential construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total		377,947
Commercial Real Estate | Non-residential commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	17,521
2022	73,548
2021	39,859
2020	25,942
2019	30,523
Prior	83,865
Revolving	21,079
Total	292,337	282,397
Commercial Real Estate | Multi-family residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,100
2022	11,688
2021	25,105
2020	7,792
2019	18,323
Prior	38,847
Revolving	0
Total	102,855	95,550
Commercial Real Estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total		258,175
Commercial Real Estate | Pass | Non-residential commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	5,957
2022	38,657
2021	36,915
2020	17,741
2019	24,273
Prior	64,348
Revolving	18,792
Total	206,683
Commercial Real Estate | Pass | Multi-family residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	253
2022	3,600
2021	10,347
2020	2,097
2019	8,295
Prior	34,992
Revolving	0
Total	59,584
Commercial Real Estate | Satisfactory/Monitor
Financing Receivable, Credit Quality Indicator [Line Items]
Total		111,077
Commercial Real Estate | Satisfactory/Monitor | Non-residential commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	11,564
2022	34,891
2021	2,944
2020	6,389
2019	6,250
Prior	17,066
Revolving	2,216
Total	81,320
Commercial Real Estate | Satisfactory/Monitor | Multi-family residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	847
2022	8,088
2021	14,758
2020	5,695
2019	10,028
Prior	2,498
Revolving	0
Total	41,914
Commercial Real Estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total		8,695
Commercial Real Estate | Substandard | Non-residential commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	1,812
2019	0
Prior	2,451
Revolving	71
Total	4,334
Commercial Real Estate | Substandard | Multi-family residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	1,357
Revolving	0
Total	1,357
Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	3,711
2022	8,022
2021	4,673
2020	1,362
2019	3,251
Prior	14,770
Revolving	5,469
Total	41,258	40,973
Commercial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,859
2022	6,603
2021	2,438
2020	838
2019	3,100
Prior	7,888
Revolving	4,287
Total	27,013	36,338
Commercial | Satisfactory/Monitor
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,852
2022	1,419
2021	2,235
2020	524
2019	151
Prior	6,877
Revolving	945
Total	14,003	4,368
Commercial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	5
Revolving	237
Total	242	267
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,107
2022	427
2021	159
2020	114
2019	236
Prior	214
Revolving	32
Total	2,289	2,204
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,045
2022	427
2021	159
2020	114
2019	236
Prior	214
Revolving	32
Total	2,227	2,197
Consumer | Satisfactory/Monitor
Financing Receivable, Credit Quality Indicator [Line Items]
2023	62
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	62	7
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0	0
Municipal
Financing Receivable, Credit Quality Indicator [Line Items]
2023	66,200
2022	2,458
2021	1,127
2020	5,945
2019	156
Prior	4,725
Revolving	0
Total	80,611	87,980
Municipal | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2023	66,200
2022	2,458
2021	1,127
2020	5,945
2019	156
Prior	4,725
Revolving	0
Total	80,611	87,980
Municipal | Satisfactory/Monitor
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0	0
Municipal | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	$ 0	$ 0