Loans (Narrative) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Loans held for sale | $ 2,502,000 | $ 2,502,000 | $ 3,365,000 | ||
| Residential real estate mortgages serviced for others | 302,100,000 | 302,100,000 | 293,300,000 | ||
| Accrued interest receivable | 25,464,000 | 25,464,000 | 25,103,000 | ||
| Interest income on nonaccrual loans | 0 | $ 0 | 0 | $ 0 | |
| Foregone interest on non accrual loans | 169,000 | $ 423,000 | 694,000 | $ 627,000 | |
| Other Assets [Member] | |||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Accrued interest receivable | 21,500,000 | 21,500,000 | 21,300,000 | ||
| Residential Real Estate Loans [Member] | |||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Loans held for sale | 2,500,000 | 2,500,000 | 3,400,000 | ||
| Consumer Overdrafts [Member] | |||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||||
| Past due greater than 90 days and still accruing interest | $ 0 | $ 0 | $ 0 | ||