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Summary of Significant Accounting Policies (Details 9) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Unrealized Gains and Losses on Fixed Maturities and Equity Securities |  |  |  |
Beginning balance | [1],[2] | $ 175,167 | $ 297,554 | $ 133,990
Other comprehensive income (loss) before reclassifications | [1],[2] | 3,935 | (114,803) | 170,677
Amounts reclassified from accumulated other comprehensive income (loss) | [1],[2] | (3,364) | (7,584) | (7,113)
Net current period other comprehensive income (loss) | [1],[2] | 571 | (122,387) | 163,564
Ending balance | [1],[2] | 175,738 | 175,167 | 297,554
Defined Benefit Plans |  |  |  |
Beginning balance | [1] | (11,794) | (12,953) | (11,776)
Other comprehensive income (loss) before reclassifications | [1] | (23) | 1,159 | (1,177)
Amounts reclassified from accumulated other comprehensive income (loss) | [1] | 0 | 0 | 0
Change in net funded status of benefit plans | [1] | (23) | 1,159 | (1,177)
Ending balance | [1] | (11,817) | (11,794) | (12,953)
Beginning balance | [1] | 163,373 | 284,601 | 122,214
Other comprehensive income (loss) before reclassifications | [1] | 3,912 | (113,644) | 169,500
Amounts reclassified from accumulated other comprehensive income (loss) | [1] | (3,364) | (7,584) | (7,113)
Net current period other comprehensive income (loss) | [1] | 548 | (121,228) | 162,387
Ending balance | [1] | $ 163,921 | $ 163,373 | $ 284,601
[1] | All amounts are net of tax.
[2] | The pretax amounts reclassified from accumulated other comprehensive income, $5,176, $11,667 and $10,943, are included in net realized investment gains and losses and the related tax expenses, $1,812, $4,083 and $3,830, are included in income tax expense in the Consolidated Statements of Operations for the years ended December 31, 2016, 2015 and 2014, respectively.

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