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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
AOCI Attributable to Parent [Member] |  |
Other comprehensive income (loss), tax | $ 1,801 | $ 1,321
Other comprehensive income (loss), tax | $ (1,801) | $ (1,321)

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