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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, 2024	Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
Current fiscal year	$ 19,262	$ 21,079
Year before current fiscal year	20,360	52,014
Two years before current fiscal year	55,889	54,901
Three years before current year	51,978	28,905
Four years before current fiscal year	26,569	27,402
Prior	92,298	79,622
Revolving Loans	45,108	27,851
Revolving to Term Loans	1,823	12,370
Total	313,287	304,144
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	19,262	21,079
Year before current fiscal year	20,360	52,014
Two years before current fiscal year	54,213	54,901
Three years before current year	50,402	28,905
Four years before current fiscal year	26,569	27,402
Prior	90,218	77,437
Revolving Loans	45,108	27,851
Revolving to Term Loans	1,823	12,370
Total	307,955	301,959
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	1,576	0
Four years before current fiscal year	0	0
Prior	0	1,570
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	1,576	1,570
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	1,676	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	2,081	615
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	3,757	615
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	2,873	849
Year before current fiscal year	2,526	5,521
Two years before current fiscal year	8,137	9,327
Three years before current year	8,826	3,713
Four years before current fiscal year	3,424	8,015
Prior	27,694	23,818
Revolving Loans	0	0
Revolving to Term Loans	0	8,895
Total	53,480	60,138
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	2,873	849
Year before current fiscal year	2,526	5,521
Two years before current fiscal year	6,461	9,327
Three years before current year	7,250	3,713
Four years before current fiscal year	3,424	8,015
Prior	25,849	21,875
Revolving Loans	0	0
Revolving to Term Loans	0	8,895
Total	48,383	58,195
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	1,576	0
Four years before current fiscal year	0	0
Prior	0	1,570
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	1,576	1,570
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	1,676	0
Three years before current year	0	0
Four years before current fiscal year	0	0
Prior	1,845	373
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	3,521	373
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	403	0
Year before current fiscal year	0	573
Two years before current fiscal year	552	14
Three years before current year	9	42
Four years before current fiscal year	0	1,352
Prior	1,147	309
Revolving Loans	25,772	10,148
Revolving to Term Loans	0	0
Total	27,883	12,438
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	403	0
Year before current fiscal year	0	573
Two years before current fiscal year	552	14
Three years before current year	9	42
Four years before current fiscal year	0	1,352
Prior	1,147	309
Revolving Loans	25,772	10,148
Revolving to Term Loans	0	0
Total	27,883	12,438
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	15,969	20,230
Year before current fiscal year	17,834	45,920
Two years before current fiscal year	47,200	45,528
Three years before current year	43,125	25,150
Four years before current fiscal year	23,145	18,035
Prior	63,458	55,495
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	210,730	210,358
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	15,969	20,230
Year before current fiscal year	17,834	45,920
Two years before current fiscal year	47,200	45,528
Three years before current year	43,125	25,150
Four years before current fiscal year	23,145	18,035
Prior	63,222	55,253
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	210,495	210,116
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	236	242
Revolving Loans	0	0
Revolving to Term Loans	0	0
Total	236	242
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	17	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	32
Three years before current year	18	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	19,336	17,703
Revolving to Term Loans	1,823	3,475
Total	21,194	21,210
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	17	0
Year before current fiscal year	0	0
Two years before current fiscal year	0	32
Three years before current year	18	0
Four years before current fiscal year	0	0
Prior	0	0
Revolving Loans	19,336	17,703
Revolving to Term Loans	1,823	3,475
Total	21,194	21,210
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

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