Note 17 - Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Reclassification adjustment for net gains reclassified into net income | $ (960) | $ (2,296) | $ (6,640) | ||||||||
| Income tax expense (benefit) | $ 136 | $ 724 | $ 661 | $ 226 | $ (27,719) | $ 22 | $ (62) | 1,747 | (27,759) | 326 | |
| Net of tax amount | 634 | 1,515 | 4,140 | ||||||||
| Reclassification out of Accumulated Other Comprehensive Income [Member] | |||||||||||
| Income tax expense (benefit) | 326 | 781 | 2,132 | ||||||||
| Net of tax amount | (634) | (1,515) | (4,140) | ||||||||
| Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Investment Gain (Loss) Including Portion Attributable to Noncontrolling Interest [Member] | |||||||||||
| Reclassification adjustment for net gains reclassified into net income | $ (960) | $ (2,296) | $ (6,272) | ||||||||