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Accumulated Other Comprehensive Income (Reclassifications out of other comprehensive income) (Details) - Reclassification out of Accumulated Other Comprehensive Income [Member] - USD ($) | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] |  |
Interest Rate Contract | $ 1,450,000 | $ 1,606,000
Tax effect from increase in capital gains tax rate, Cash flow hedges | 129,000 | (74,000)
Other-than-temporary impairment losses on available for sale securities realized during the period | 2,557,000 | 0
Residual tax effect from OIB's change in applicable tax rate AFS | 8,000 | 10,000
Tax effect from increase in capital gains tax rate AFS | (74,000) | 129,000
Total | $ 4,070,000 | $ 1,671,000

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