Allowance for Credit Losses on Loans and Off-Balance Sheet Credit Exposures - Schedule of Financing Receivable Past Due (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Total	$ 935,536	$ 958,157
Total Past Due
Financing Receivable, Past Due [Line Items]
Total	470	5,437
30-59 Days
Financing Receivable, Past Due [Line Items]
Total	0	2,788
60-89 Days
Financing Receivable, Past Due [Line Items]
Total	286	2,326
90 Days and Over
Financing Receivable, Past Due [Line Items]
Total	184	323
Current
Financing Receivable, Past Due [Line Items]
Total	935,066	952,720
Residential real estate
Financing Receivable, Past Due [Line Items]
Total		352,433
Residential real estate | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	363,891	335,470
Residential real estate | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	16,835	16,963
Residential real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total		2,092
Residential real estate | Total Past Due | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	331
Residential real estate | Total Past Due | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	16
Residential real estate | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total		1,724
Residential real estate | 30-59 Days | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	0
Residential real estate | 30-59 Days | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	0
Residential real estate | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total		79
Residential real estate | 60-89 Days | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	283
Residential real estate | 60-89 Days | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	0
Residential real estate | 90 Days and Over
Financing Receivable, Past Due [Line Items]
Total		289
Residential real estate | 90 Days and Over | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	48
Residential real estate | 90 Days and Over | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	16
Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Total		350,341
Residential real estate | Current | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	363,560
Residential real estate | Current | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	16,819
Construction real estate
Financing Receivable, Past Due [Line Items]
Total		96,620
Construction real estate | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	53,884	56,501
Construction real estate | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	46,604	40,119
Construction real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total		535
Construction real estate | Total Past Due | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	0
Construction real estate | Total Past Due | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	0
Construction real estate | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total		535
Construction real estate | 30-59 Days | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	0
Construction real estate | 30-59 Days | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	0
Construction real estate | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total		0
Construction real estate | 60-89 Days | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	0
Construction real estate | 60-89 Days | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	0
Construction real estate | 90 Days and Over
Financing Receivable, Past Due [Line Items]
Total		0
Construction real estate | 90 Days and Over | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	0
Construction real estate | 90 Days and Over | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	0
Construction real estate | Current
Financing Receivable, Past Due [Line Items]
Total		96,085
Construction real estate | Current | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	53,884
Construction real estate | Current | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	46,604
Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total		377,947
Commercial Real Estate | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	289,379	282,397
Commercial Real Estate | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	99,014	95,550
Commercial Real Estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Total		2,636
Commercial Real Estate | Total Past Due | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	120
Commercial Real Estate | Total Past Due | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	0
Commercial Real Estate | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total		515
Commercial Real Estate | 30-59 Days | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	0
Commercial Real Estate | 30-59 Days | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	0
Commercial Real Estate | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total		2,087
Commercial Real Estate | 60-89 Days | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	0
Commercial Real Estate | 60-89 Days | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	0
Commercial Real Estate | 90 Days and Over
Financing Receivable, Past Due [Line Items]
Total		34
Commercial Real Estate | 90 Days and Over | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	120
Commercial Real Estate | 90 Days and Over | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	0
Commercial Real Estate | Current
Financing Receivable, Past Due [Line Items]
Total		375,311
Commercial Real Estate | Current | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	289,259
Commercial Real Estate | Current | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	99,014
Commercial
Financing Receivable, Past Due [Line Items]
Total	41,252	40,973
Commercial | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	167
Commercial | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total	0	7
Commercial | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	160
Commercial | 90 Days and Over
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial | Current
Financing Receivable, Past Due [Line Items]
Total	41,252	40,806
Consumer
Financing Receivable, Past Due [Line Items]
Total	2,572	2,204
Consumer | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	3	7
Consumer | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total	0	7
Consumer | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total	3	0
Consumer | 90 Days and Over
Financing Receivable, Past Due [Line Items]
Total	0	0
Consumer | Current
Financing Receivable, Past Due [Line Items]
Total	2,569	2,197
Municipal
Financing Receivable, Past Due [Line Items]
Total	22,105	87,980
Municipal | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Municipal | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Municipal | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Municipal | 90 Days and Over
Financing Receivable, Past Due [Line Items]
Total	0	0
Municipal | Current
Financing Receivable, Past Due [Line Items]
Total	$ 22,105	$ 87,980