Loans and Allowance for Credit Losses (Narrative) (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2026 USD ($) loan	Dec. 31, 2025 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest was reversed for non-accrual loans	$ 23,000
Accrued interest receivable	3,960,000	$ 4,168,000
Aggregate balances of loans serviced to participants	52,016,000	52,240,000
Aggregate balances of loans serviced to third party	245,469,000	250,311,000
Balance of capitalized servicing rights	1,179,000	1,262,000
Mortgage Servicing Rights (MSR) Impairment (Recovery)	0	0
Amount of consumer mortgages and loans secured by residential real estate properties in process of foreclosure	0	0
Financial instruments represent off-balance sheet credit risk, asset	131,531,000	105,760,000
Loans sold with recourse
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financial instruments represent off-balance sheet credit risk, asset	$ 472,000	$ 473,000
Consumer | Home equity | Consumer Borrower
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable individually evaluated for impairment, number of contracts | loan	1
Individually analyzed loans	$ 98,000