Note 5 - Loans (Details Textual) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2019
USD ($)
|
Mar. 31, 2018
USD ($)
|
Dec. 31, 2018
USD ($)
|
|
| Financing Receivable, Troubled Debt Restructuring | $ 12.3 | $ 18.8 | $ 14.6 |
| Financing Receivable, Modifications, Recorded Investment, Accruing Interest | 2.7 | 15.8 | 3.1 |
| Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down | $ 2.6 | $ 5.1 | $ 4.3 |
| Financing Receivable, Modifications, Number of Contracts | 0 | 0 | |
| Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | 2 | 0 | |
| Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ 0.3 | ||
| X | ||||||||||
- Definition The portion of the amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings which is generating interest. No definition available.
|
| X | ||||||||||
- Definition Number of financing receivables that have been modified by troubled debt restructurings. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of financing receivable modified as troubled debt restructuring. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Reflects the amount of the write-down related to a troubled debt restructuring. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|