Note 5 - Loans (Details Textual) |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2025
USD ($)
|
Sep. 30, 2024
USD ($)
|
Sep. 30, 2025
USD ($)
|
Sep. 30, 2024
USD ($)
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
Jun. 30, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
|
|
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | $ 170,235,000 | $ 160,755,000 | $ 170,235,000 | $ 160,755,000 | $ 169,959,000 | $ 164,458,000 | $ 158,092,000 | $ 153,317,000 |
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) | 9,338,000 | 5,435,000 | $ 27,216,000 | 15,156,000 | ||||
| Financing Receivable, Modified, Subsequent Default, Number of Contracts | 1 | |||||||
| Unfunded Loan Commitment [Member] | ||||||||
| Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 780,000 | $ 780,000 | $ 608,000 | |||||
| Financing Receivable, Credit Loss, Expense (Reversal) | $ 125,000 | $ 173,000 | ||||||
| Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) | $ 233,000 | $ 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, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|