Note 12 - Subsequent Events (Details Textual) - Subsequent Event [Member] $ in Millions |
Oct. 21, 2020
USD ($)
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|---|---|
| The 4.00% Subordinated Notes [Member] | |
| Proceeds from Issuance of Debt | $ 34.8 |
| Debt Instrument, Interest Rate, Stated Percentage | 4.00% |
| The 5.00% Subordinated Notes [Member] | |
| Debt Instrument, Interest Rate, Stated Percentage | 5.00% |
| X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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- Details
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- Details
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