Note 3 - Loans (Details Textual) Pure in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
USD ($)
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | $ 171,683,000 | $ 164,458,000 | $ 153,317,000 | $ 146,297,000 |
| Financing Receivable, Modified, Subsequent Default, Number of Contracts | 0 | |||
| Unfunded Loan Commitment [Member] | ||||
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | $ 572,000 | 608,000 | ||
| Financing Receivable, Credit Loss, Expense (Reversal) | $ 36,000 | $ 32,000 | ||
| X | ||||||||||
- Definition Number of financing receivable contracts modified within previous 12 months, with subsequent payment default. No definition available.
|
| X | ||||||||||
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|