Note 3 - Equity Investment - Carrying Amounts of Assets and Liabilities and Maximum Loss Exposure (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Other Assets | $ 161,363 | $ 9,324 |
| Maximum Exposure to Loss | 4,021 | 9,324 |
| Mission Providence [Member] | Other Assets [Member] | ||
| Other Assets | 4,021 | 9,324 |
| Mission Providence [Member] | Accrued Expenses [Member] | ||
| Accrued Expenses | $ 4,654 |