| **Accumulated Other Comprehensive Income (Loss)** | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
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| **Stockholders' Equity Note [Abstract]**          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Accumulated Other Comprehensive Income (Loss)     | Accumulated Other Comprehensive Income (Loss)Following is a summary of the changes in the accumulated balances for each component of accumulated other comprehensive income (loss), which is presented net of tax, for the three and nine months ended September 30, 2015 and 2014: Defined Benefit Pension Items Unrealized Gains and (Losses) on Available-for-Sale Securities TotalAccumulated other comprehensive income at June 30, 2015$— $648 $648Other comprehensive income before reclassifications— 2,245 2,245Amounts reclassified from accumulated other comprehensive income— (2,754) (2,754)Other comprehensive loss—(509)(509)Accumulated other comprehensive income at September 30, 2015$—$139$139 Defined Benefit Pension Items Unrealized Gains and (Losses) on Available-for-Sale Securities TotalAccumulated other comprehensive loss at December 31, 2014$— $(1,325) $(1,325)Other comprehensive income before reclassifications— 4,218 4,218Amounts reclassified from accumulated other comprehensive loss— (2,754) (2,754)Other comprehensive income— 1,464 1,464Accumulated other comprehensive income at September 30, 2015$— $139 $139 Defined Benefit Pension Items Unrealized Gains and (Losses) on Available-for-Sale Securities TotalAccumulated other comprehensive loss at June 30, 2014$(5,330) $(1,785) $(7,115)Other comprehensive loss before reclassifications58 (1,969) (1,911)Amounts reclassified from accumulated other comprehensive loss396 796 1,192Other comprehensive income454 (1,173) (719)Accumulated other comprehensive loss at September 30, 2014$(4,876) $(2,958) $(7,834) Defined Benefit Pension Items Unrealized Gains and (Losses) on Available-for-Sale Securities TotalAccumulated other comprehensive loss at December 31, 2013$(5,392) $(2,125) $(7,517)Other comprehensive loss before reclassifications(309) (2,142) (2,451)Amounts reclassified from accumulated other comprehensive loss825 1,309 2,134Other comprehensive income (loss)516 (833) (317)Accumulated other comprehensive loss at September 30, 2014$(4,876) $(2,958) $(7,834)  Amount Reclassified from Accumulated Other Comprehensive Income (Loss)    Three Months Ended  September 30, Nine Months Ended  September 30,  Details about Accumulated Other Comprehensive Income (Loss) Components 20152014 2015 2014 Affected Line in the Condensed Consolidated Statements of OperationsDefined benefit pension items          Amortization of loss  $— $115 $— $373 Net periodic pension costs, Note 15, Employee Benefit PlansSettlement cost  — 529 — 969 Net periodic pension costs, Note 15, Employee Benefit PlansTotal before tax — 644 — 1,342  Income tax — (248) — (517)  Net of tax — 396 — 825             Items related to available-for-sale securities          Other-than-temporary impairment losses — 1,295 — 1,295 Investment income, net, Note 4, InvestmentsRealized (gain) loss on sale (5,276) — (5,276) 833 Investment income, net, Note 4, InvestmentsIncome tax 2,522 (499) 2,522 (819)  Net of tax (2,754) 796 (2,754) 1,309             Total reclassifications for the period, net of tax $(2,754) $1,192 $(2,754) $2,134   |

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| - Definition
The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.
+ References
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