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Supplemental Comprehensive Income Disclosures (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance |  |  | $ (2,386) | $ (4,499)
Other comprehensive income (loss) before reclassification adjustment | $ 2,471 | $ (2,479) | 9,017 | 4,010
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax | 233 | (343) | 1,361 | 434
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  |  | 10,378 | 4,444
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | (45) | (85)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax | 17 | 7 | 27 | 4
Total other comprehensive (loss) income | 2,669 | (2,842) | 10,333 | 4,359
Accumulated Other Comprehensive Income (Loss), Ending Balance | 7,947 | (140) | 7,947 | (140)
Accumulated Net Unrealized Investment Gain (Loss) [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance |  |  | (2,956) | (4,875)
Other comprehensive income (loss) before reclassification adjustment |  |  | 9,017 | 4,010
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | (18) | (81)
Total other comprehensive (loss) income |  |  | 8,999 | 3,929
Accumulated Other Comprehensive Income (Loss), Ending Balance | 6,043 | (946) | 6,043 | (946)
Accumulated Defined Benefit Plans Adjustment [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance |  |  | 10 | 76
Other comprehensive income (loss) before reclassification adjustment |  |  | 0 | 0
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 0 | 0
Total other comprehensive (loss) income |  |  | 0 | 0
Accumulated Other Comprehensive Income (Loss), Ending Balance | 10 | 76 | 10 | 76
Derivative [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Beginning Balance |  |  | 560 | 300
Total other comprehensive (loss) income |  |  | 1,334 | 430
Accumulated Other Comprehensive Income (Loss), Ending Balance | $ 1,894 | $ 730 | 1,894 | 730
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Total other comprehensive (loss) income |  |  | $ 10,333 | $ 4,359

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