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Loans, Recorded Investment in Loan Classes Based on Payment Activity, By Origination Year (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
Total loans	$ 2,315,663		$ 2,313,242
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
Gross charge-offs	185	$ 674
Residential Real Estate [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	2,305		11,487
2024/2023	13,067		23,870
2023/2022	24,289		88,963
2022/2021	88,326		46,482
2021/2020	45,549		28,000
Prior	127,634		102,933
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term	0		0
Total loans	301,170		301,735
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	0		0
Prior	0		5
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term	0		0
Gross charge-offs	0		5
Residential Real Estate [Member] | Performing [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	2,305		11,487
2024/2023	13,067		23,870
2023/2022	24,289		88,581
2022/2021	87,952		45,731
2021/2020	44,816		27,537
Prior	125,853		101,823
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term	0		0
Total loans	298,282		299,029
Residential Real Estate [Member] | Nonperforming [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		382
2022/2021	374		751
2021/2020	733		463
Prior	1,781		1,110
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term	0		0
Total loans	2,888		2,706
Home Equity [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	942		2,987
2024/2023	3,065		3,456
2023/2022	3,102		2,418
2022/2021	2,297		1,454
2021/2020	1,396		1,608
Prior	8,732		8,019
Revolving Loans Amortized Cost Basis	29,175		29,302
Revolving Loans Converted to Term	342		419
Total loans	49,051		49,663
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	0		0
2021/2020	0		0
Prior	0		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term	0		0
Gross charge-offs	0		0
Home Equity [Member] | Performing [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	942		2,987
2024/2023	3,065		3,456
2023/2022	3,102		2,418
2022/2021	2,281		1,454
2021/2020	1,396		1,525
Prior	8,646		7,937
Revolving Loans Amortized Cost Basis	29,081		29,302
Revolving Loans Converted to Term	268		419
Total loans	48,781		49,498
Home Equity [Member] | Nonperforming [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	0		0
2024/2023	0		0
2023/2022	0		0
2022/2021	16		0
2021/2020	0		83
Prior	86		82
Revolving Loans Amortized Cost Basis	94		0
Revolving Loans Converted to Term	74		0
Total loans	270		165
Consumer [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	441		2,076
2024/2023	1,490		887
2023/2022	724		589
2022/2021	509		543
2021/2020	480		323
Prior	3,780		3,516
Revolving Loans Amortized Cost Basis	122,518		125,272
Revolving Loans Converted to Term	1		1
Total loans	129,943		133,207
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
2025/2024	0		0
2024/2023	0		13
2023/2022	7		27
2022/2021	0		0
2021/2020	0		0
Prior	5		38
Revolving Loans Amortized Cost Basis	10		29
Revolving Loans Converted to Term	0		0
Gross charge-offs	22		107
Consumer [Member] | Performing [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	441		2,076
2024/2023	1,490		880
2023/2022	724		589
2022/2021	508		543
2021/2020	480		317
Prior	2,803		2,520
Revolving Loans Amortized Cost Basis	122,518		125,272
Revolving Loans Converted to Term	1		1
Total loans	128,965		132,198
Consumer [Member] | Nonperforming [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	0		0
2024/2023	0		7
2023/2022	0		0
2022/2021	1		0
2021/2020	0		6
Prior	977		996
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term	0		0
Total loans	978		1,009
Mortgage, Home Equity, and Consumer [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	3,688		16,550
2024/2023	17,622		28,213
2023/2022	28,115		91,970
2022/2021	91,132		48,479
2021/2020	47,425		29,931
Prior	140,146		114,468
Revolving Loans Amortized Cost Basis	151,693		154,574
Revolving Loans Converted to Term	343		420
Total loans	480,164		484,605
Mortgage, Home Equity, and Consumer [Member] | Performing [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	3,688		16,550
2024/2023	17,622		28,206
2023/2022	28,115		91,588
2022/2021	90,741		47,728
2021/2020	46,692		29,379
Prior	137,302		112,280
Revolving Loans Amortized Cost Basis	151,599		154,574
Revolving Loans Converted to Term	269		420
Total loans	476,028		480,725
Mortgage, Home Equity, and Consumer [Member] | Nonperforming [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
2025/2024	0		0
2024/2023	0		7
2023/2022	0		382
2022/2021	391		751
2021/2020	733		552
Prior	2,844		2,188
Revolving Loans Amortized Cost Basis	94		0
Revolving Loans Converted to Term	74		0
Total loans	4,136		3,880
Real Estate Loans [Member] | Residential Real Estate [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
Total loans	350,221		351,398
Financing Receivable, Current period gross charge-offs by Portfolio Class and Origination Year [Abstract]
Gross charge-offs	0	$ 0
Real Estate Loans [Member] | Home Equity [Member]
Financing Receivable, Credit Exposures by Internally Assigned Grades, by Origination Year [Abstract]
Total loans	$ 49,051		$ 49,663

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