Loans and Allowance for Loan Credit Losses - Schedule of Amortized Costs by Segment of Loans and Credit Risk Profile of Loan Portfolio (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	$ 17,646	$ 19,262
Year before current fiscal year	17,102	20,360
Two years before current fiscal year	14,878	55,889
Three years before current year	50,386	51,978
Four years before current fiscal year	48,995	26,569
Prior	102,362	92,298
Revolving Loans	23,390	45,108
Revolving to Term Loans	0	1,823
Total	274,759	313,287
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current period gross charge-offs, current fiscal year	0	0
Current period gross charge-offs, before current fiscal year	0	0
Current period gross charge-offs, two before current fiscal year	0	0
Current period gross charge-offs, three years before current year	0	0
Current period gross charge-offs, four years before current fiscal year	0	0
Current period gross charge-offs, prior	0	0
Current period gross charge-offs, Revolving Loans	0	0
Current period gross charge-offs, Revolving to Term Loans	0	0
Current period gross charge-offs, Loans	0	0
Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	17,646	19,262
Year before current fiscal year	17,102	20,360
Two years before current fiscal year	14,878	54,213
Three years before current year	48,751	50,402
Four years before current fiscal year	47,032	26,569
Prior	100,298	90,218
Revolving Loans	23,390	45,108
Revolving to Term Loans	0	1,823
Total	269,097	307,955
Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	1,576
Four years before current fiscal year	1,469	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	1,469	1,576
Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	1,676
Three years before current year	1,635	0
Four years before current fiscal year	494	0
Prior	2,064	2,081
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	4,193	3,757
Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Loss
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Commercial real estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	4,492	2,873
Year before current fiscal year	2,808	2,526
Two years before current fiscal year	2,480	8,137
Three years before current year	4,709	8,826
Four years before current fiscal year	8,274	3,424
Prior	25,515	27,694
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	48,278	53,480
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current period gross charge-offs, current fiscal year	0	0
Current period gross charge-offs, before current fiscal year	0	0
Current period gross charge-offs, two before current fiscal year	0	0
Current period gross charge-offs, three years before current year	0	0
Current period gross charge-offs, four years before current fiscal year	0	0
Current period gross charge-offs, prior	0	0
Current period gross charge-offs, Revolving Loans	0	0
Current period gross charge-offs, Revolving to Term Loans	0	0
Current period gross charge-offs, Loans	0	0
Commercial real estate | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	4,492	2,873
Year before current fiscal year	2,808	2,526
Two years before current fiscal year	2,480	6,461
Three years before current year	3,074	7,250
Four years before current fiscal year	6,311	3,424
Prior	23,778	25,849
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	42,943	48,383
Commercial real estate | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	1,576
Four years before current fiscal year	1,469	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	1,469	1,576
Commercial real estate | Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	1,676
Three years before current year	1,635	0
Four years before current fiscal year	494	0
Prior	1,737	1,845
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	3,866	3,521
Commercial real estate | Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Commercial real estate | Loss
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Commercial
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	211	403
Year before current fiscal year	322	0
Two years before current fiscal year	0	552
Three years before current year	500	9
Four years before current fiscal year	4	0
Prior	933	1,147
Revolving Loans	2,551	25,772
Revolving to Term Loans	0	0
Total	4,521	27,883
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current period gross charge-offs, current fiscal year	0	0
Current period gross charge-offs, before current fiscal year	0	0
Current period gross charge-offs, two before current fiscal year	0	0
Current period gross charge-offs, three years before current year	0	0
Current period gross charge-offs, four years before current fiscal year	0	0
Current period gross charge-offs, prior	0	0
Current period gross charge-offs, Revolving Loans	0	0
Current period gross charge-offs, Revolving to Term Loans	0	0
Current period gross charge-offs, Loans	0	0
Commercial | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	211	403
Year before current fiscal year	322	0
Two years before current fiscal year	0	552
Three years before current year	500	9
Four years before current fiscal year	4	0
Prior	933	1,147
Revolving Loans	2,551	25,772
Revolving to Term Loans	0	0
Total	4,521	27,883
Commercial | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Commercial | Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Commercial | Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Commercial | Loss
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Residential real estate closed-end
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	12,901	15,969
Year before current fiscal year	13,961	17,834
Two years before current fiscal year	12,398	47,200
Three years before current year	45,177	43,125
Four years before current fiscal year	40,709	23,145
Prior	75,914	63,458
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	201,060	210,730
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current period gross charge-offs, current fiscal year	0	0
Current period gross charge-offs, before current fiscal year	0	0
Current period gross charge-offs, two before current fiscal year	0	0
Current period gross charge-offs, three years before current year	0	0
Current period gross charge-offs, four years before current fiscal year	0	0
Current period gross charge-offs, prior	0	0
Current period gross charge-offs, Revolving Loans	0	0
Current period gross charge-offs, Revolving to Term Loans	0	0
Current period gross charge-offs, Loans	0	0
Residential real estate closed-end | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	12,901	15,969
Year before current fiscal year	13,961	17,834
Two years before current fiscal year	12,398	47,200
Three years before current year	45,177	43,125
Four years before current fiscal year	40,709	23,145
Prior	75,587	63,222
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	200,733	210,495
Residential real estate closed-end | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Residential real estate closed-end | Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	327	236
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	327	236
Residential real estate closed-end | Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Residential real estate closed-end | Loss
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Other consumer loans
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	42	17
Year before current fiscal year	11	0
Two years before current fiscal year	0	0
Three years before current year	0	18
Four years before current fiscal year	8	0
Prior	0	0
Revolving Loans	20,839	19,336
Revolving to Term Loans	0	1,823
Total	20,900	21,194
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current period gross charge-offs, current fiscal year	0	0
Current period gross charge-offs, before current fiscal year	0	0
Current period gross charge-offs, two before current fiscal year	0	0
Current period gross charge-offs, three years before current year	0	0
Current period gross charge-offs, four years before current fiscal year	0	0
Current period gross charge-offs, prior	0	0
Current period gross charge-offs, Revolving Loans	0	0
Current period gross charge-offs, Revolving to Term Loans	0	0
Current period gross charge-offs, Loans	0	0
Other consumer loans | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	42	17
Year before current fiscal year	11	0
Two years before current fiscal year	0	0
Three years before current year	0	18
Four years before current fiscal year	8	0
Prior	0	0
Revolving Loans	20,839	19,336
Revolving to Term Loans	0	1,823
Total	20,900	21,194
Other consumer loans | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Other consumer loans | Substandard
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Other consumer loans | Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	0	0
Other consumer loans | Loss
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	0	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	$ 0	$ 0