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Loans (Narrative) (Details)	3 Months Ended		6 Months Ended
Loans (Narrative) (Details)	Jun. 30, 2026 USD ($) Item	Jun. 30, 2025 USD ($) Item	Jun. 30, 2026 USD ($) Item	Jun. 30, 2025 USD ($) Item	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Accounts Notes And Loans Receivable [Line Items]
Loans pledged as collateral	$ 2,316,695,000		$ 2,316,695,000			$ 2,183,258,000
Interest income recognized attributable to nonaccrual loans	0	$ 0	0	$ 0
Charge-offs	297,000	710,000	303,000	723,000
Loans held for investment, allowance	$ 26,701,000	$ 24,933,000	26,701,000	$ 24,933,000	$ 26,102,000	25,500,000	$ 24,740,000	$ 24,070,000
Increase in allowance for credit losses			$ 1,200,000
Number of loans modified \| Item	0	0	1	0
Loan modifications that subsequently defaulted	$ 0	$ 0	$ 0	$ 0
Extended Maturity and Principal Forgiveness [Member]
Accounts Notes And Loans Receivable [Line Items]
Commitment to lend additional funds	0		0
Principal reduction of financing receivable modified			$ 68,000
Extension of the loan maturity, in years			2 years
Loans performed in accordance with their original terms [Member]
Accounts Notes And Loans Receivable [Line Items]
Interest income recognized attributable to nonaccrual loans	42,000	29,000	$ 77,000	80,000
Loans Originated In 2022 [Member]
Accounts Notes And Loans Receivable [Line Items]
Charge-offs		709,000		709,000
Loans Originated in 2025 [Member]
Accounts Notes And Loans Receivable [Line Items]
Charge-offs	296,000	1,000	296,000	14,000
Loans Originated in 2026 [Member]
Accounts Notes And Loans Receivable [Line Items]
Charge-offs	1,000		7,000
Commercial and Industrial [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans pledged as collateral	300,265,000		300,265,000			295,548,000
Charge-offs	0	0	0	0
Loans held for investment, allowance	5,738,000	4,508,000	5,738,000	4,508,000	5,330,000	4,814,000	4,434,000	4,633,000
Commercial and Industrial [Member] \| Commercial Real Estate [Member] \| Federal Home Loan Bank Advances [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans pledged as collateral	660,100,000		660,100,000			561,400,000
Residential Real Estate [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans pledged as collateral	356,747,000		356,747,000			307,692,000
Charge-offs	296,000	0	296,000	0
Loans held for investment, allowance	$ 5,204,000	$ 5,477,000	$ 5,204,000	$ 5,477,000	$ 5,270,000	$ 5,908,000	$ 5,115,000	$ 5,121,000