Allowance for Credit Losses on Loans and Off-Balance Sheet Credit Exposures - Schedule Of Allowance For Loan Losses, By Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	$ 6,566	$ 8,339
Charge-Offs	(3)	(8)
Recoveries	25	4
Credit Loss Expense (Benefit)	1,092	(274)
Balance end of period	7,680	6,566
Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(1,495)
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	2,520	2,417
Charge-Offs	0	0
Recoveries	24	1
Credit Loss Expense (Benefit)	948	347
Balance end of period	3,492	2,520
Residential real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(245)
Residential real estate | Non-revolving residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	2,361	2,294
Charge-Offs	0	0
Recoveries	24	1
Credit Loss Expense (Benefit)	827	336
Balance end of period	3,212	2,361
Residential real estate | Non-revolving residential real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(270)
Residential real estate | Revolving residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	159	123
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	121	11
Balance end of period	280	159
Residential real estate | Revolving residential real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		25
Construction real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	1,198	1,032
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	(445)	(526)
Balance end of period	753	1,198
Construction real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		692
Construction real estate | Commercial construction real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	1,035	611
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	(384)	(558)
Balance end of period	651	1,035
Construction real estate | Commercial construction real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		982
Construction real estate | Residential construction real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	163	421
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	(61)	32
Balance end of period	102	163
Construction real estate | Residential construction real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(290)
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	2,426	3,935
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	552	28
Balance end of period	2,978	2,426
Commercial real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(1,537)
Commercial real estate | Non-residential commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	2,182	2,931
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	584	8
Balance end of period	2,766	2,182
Commercial real estate | Non-residential commercial real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(757)
Commercial real estate | Multi-family residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	244	1,004
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	(32)	20
Balance end of period	212	244
Commercial real estate | Multi-family residential real estate | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(780)
Commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	352	301
Charge-Offs	0	0
Recoveries	1	0
Credit Loss Expense (Benefit)	24	(140)
Balance end of period	377	352
Commercial | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		191
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	5	10
Charge-Offs	(3)	(8)
Recoveries	0	3
Credit Loss Expense (Benefit)	4	5
Balance end of period	6	5
Consumer | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(5)
Municipal
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	65	95
Charge-Offs	0	0
Recoveries	0	0
Credit Loss Expense (Benefit)	9	12
Balance end of period	74	65
Municipal | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		(42)
Unallocated
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period	$ 0	549
Charge-Offs		0
Recoveries		0
Credit Loss Expense (Benefit)		0
Balance end of period		0
Unallocated | Impact of CECL Adoption
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance beginning of period		$ (549)