Note 6 - Variable Interest Entities (VIEs) (Details Textual) - USD ($) $ in Millions |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Loan [Member] | ||
| Limited Partners' Capital Account, Total | $ 12.8 | $ 13.6 |
| Partnership Investment [Member] | ||
| Limited Partners' Capital Account, Total | $ 18.9 | $ 21.1 |
| X | ||||||||||
- Definition The amount of the limited partners' ownership interests. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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- Details
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