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Note 8 - Reclassification Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] |  |  |
Non-operating income | [1] | $ 1,043 | $ 1,015
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Other-than-Temporary Impairment Attributable to Parent [Member] |  |  |
Non-operating income | [1] | (833) | (1)
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Total before tax | [1] | 210 | 1,014
Tax expense | [1] | (80) | (385)
Net income | [1] | 130 | 629
Non-operating income |  | 1,516 | 2,099
Total before tax |  | 34,928 | 22,212
Tax expense |  | (13,492) | (8,721)
Net income |  | $ 21,436 | $ 13,491
[1] | Amounts in parentheses indicate debits to profit/loss

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