Allowance for Credit Losses on Loans and Off-Balance Sheet Credit Exposures - Schedule of Financing Receivable Past Due (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Total	$ 1,161,159	$ 1,155,736
Total Past Due
Financing Receivable, Past Due [Line Items]
Total	2,946	3,409
30-59 Days
Financing Receivable, Past Due [Line Items]
Total	2,203	1,960
60-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	1,208
90 Days and Over
Financing Receivable, Past Due [Line Items]
Total	743	241
Current
Financing Receivable, Past Due [Line Items]
Total	1,158,213	1,152,327
Residential real estate | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	441,149	445,425
Residential real estate | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	22,177	21,884
Residential real estate | Total Past Due | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	2,527	2,959
Residential real estate | Total Past Due | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential real estate | 30-59 Days | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	1,832	1,560
Residential real estate | 30-59 Days | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential real estate | 60-89 Days | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	1,158
Residential real estate | 60-89 Days | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential real estate | 90 Days and Over | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	695	241
Residential real estate | 90 Days and Over | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential real estate | Current | Non-revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	438,622	442,466
Residential real estate | Current | Revolving residential real estate
Financing Receivable, Past Due [Line Items]
Total	22,177	21,884
Construction real estate | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	51,385	54,985
Construction real estate | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	56,089	51,202
Construction real estate | Total Past Due | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	82	0
Construction real estate | Total Past Due | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Construction real estate | 30-59 Days | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	82	0
Construction real estate | 30-59 Days | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Construction real estate | 60-89 Days | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Construction real estate | 60-89 Days | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Construction real estate | 90 Days and Over | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Construction real estate | 90 Days and Over | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Construction real estate | Current | Commercial construction real estate
Financing Receivable, Past Due [Line Items]
Total	51,303	54,985
Construction real estate | Current | Residential construction real estate
Financing Receivable, Past Due [Line Items]
Total	56,089	51,202
Commercial Real Estate | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	334,444	330,010
Commercial Real Estate | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	106,392	104,328
Commercial Real Estate | Total Past Due | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	289	401
Commercial Real Estate | Total Past Due | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial Real Estate | 30-59 Days | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	289	355
Commercial Real Estate | 30-59 Days | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial Real Estate | 60-89 Days | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	0	46
Commercial Real Estate | 60-89 Days | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial Real Estate | 90 Days and Over | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial Real Estate | 90 Days and Over | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial Real Estate | Current | Non-residential commercial real estate
Financing Receivable, Past Due [Line Items]
Total	334,155	329,609
Commercial Real Estate | Current | Multi-family residential real estate
Financing Receivable, Past Due [Line Items]
Total	106,392	104,328
Commercial
Financing Receivable, Past Due [Line Items]
Total	34,310	35,175
Commercial | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	48	45
Commercial | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total	0	45
Commercial | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial | 90 Days and Over
Financing Receivable, Past Due [Line Items]
Total	48	0
Commercial | Current
Financing Receivable, Past Due [Line Items]
Total	34,262	35,130
Consumer
Financing Receivable, Past Due [Line Items]
Total	2,824	2,523
Consumer | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	4
Consumer | 30-59 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Consumer | 60-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	4
Consumer | 90 Days and Over
Financing Receivable, Past Due [Line Items]
Total	0	0
Consumer | Current
Financing Receivable, Past Due [Line Items]
Total	2,824	2,519
Municipal
Financing Receivable, Past Due [Line Items]
Total	112,389	110,204
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	$ 112,389	$ 110,204