Note 3 - Loans (Details Textual) Pure in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
|
| Financing Receivable, Allowance for Credit Loss | $ 164,458,000 | $ 153,317,000 | $ 146,297,000 | $ 116,660,000 |
| Provision for credit losses | 21,553,000 | 18,715,000 | $ 37,607,000 | |
| Financing Receivable, Nonaccrual, Interest Income | $ 0 | $ 0 | ||
| Financing Receivable, Modified, Subsequent Default, Number of Contracts | 0 | 0 | ||
| Unfunded Loan Commitment [Member] | ||||
| Financing Receivable, Allowance for Credit Loss | $ 608,000 | $ 575,000 | ||
| Provision for credit losses | $ 32,000 | $ 0 | ||
| X | ||||||||||
- Definition Number of financing receivable contracts modified within previous 12 months, with subsequent payment default. No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Definition Amount of interest income on financing receivable on nonaccrual status. 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
|