Allowance for Credit Losses on Loans and Off-Balance Sheet Credit Exposures - Schedule of Allowance For Loan Losses, By Class (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	$ 7,680	$ 6,566
Charge-Offs	(4)	0
Recoveries	5	1
Credit Loss Expense (Benefit)	429	78
Balance end of period	8,110	6,645
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	3,492	2,520
Charge-Offs	0	0
Recoveries	5	1
Credit Loss Expense (Benefit)	(431)	571
Balance end of period	3,066	3,092
Residential real estate | Non-revolving residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	3,212	2,361
Charge-Offs	0	0
Recoveries	5	1
Credit Loss Expense (Benefit)	(351)	483
Balance end of period	2,866	2,845
Residential real estate | Revolving residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	280	159
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	(80)	88
Balance end of period	200	247
Construction real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	753	1,198
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	265	(685)
Balance end of period	1,018	513
Construction real estate | Commercial construction real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	651	1,035
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	171	(615)
Balance end of period	822	420
Construction real estate | Residential construction real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	102	163
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	94	(70)
Balance end of period	196	93
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	2,978	2,426
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	535	236
Balance end of period	3,513	2,662
Commercial real estate | Non-residential commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	2,766	2,182
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	489	272
Balance end of period	3,255	2,454
Commercial real estate | Multi-family residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	212	244
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	46	(36)
Balance end of period	258	208
Commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	377	352
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	50	(45)
Balance end of period	427	307
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	6	5
Charge-Offs	(4)	0
Recoveries	0	0
Credit Loss Expense (Benefit)	5	1
Balance end of period	7	6
Municipal
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	74	65
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	5	0
Balance end of period	$ 79	$ 65