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Comprehensive Income (Reclassification out of AOCI) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Amortization of non-credit OTTI losses on HTM securities | $ 6 | $ 60 | $ 13 | $ 263
Amortization of non-credit OTTI losses on HTM securities, tax | (3) | (21) | (5) | (92)
Amounts reclassed into Net Income: Non-credit other-than-temporary impairment | 3 | 39 | 8 | 171
Amortization Of Net Unrealized Gains Losses On Held To Maturity Transferred From Available For Sale Before Tax | (614) | (701) | (1,331) | (1,565)
Total HTM Related |  |  | 865 |
Total unrealized gains and losses on AFS |  |  | (7,322) |
Net actuarial loss | 789 | 1,391 | 2,629 | 2,781
Prior service cost |  | 37 | 10 | 75
Curtailment expense |  |  | 16 |
Total defined benefit pension and post-retirement life, net of tax |  |  | 1,726 |
Total reclassifications for the period |  |  | (6,453) |
Net Investment Income Earned [Member] |  |  |  |
Amortization of non-credit OTTI losses on HTM securities | 6 |  | 13 |
Amortization Of Net Unrealized Gains Losses On Held To Maturity Transferred From Available For Sale Before Tax | (544) |  | (1,180) |
Income From Continuing Operations Before Federal Income Tax [Member] |  |  |  |
Amortization of non-credit OTTI losses on HTM securities | 6 |  | 13 |
Total HTM Related | (614) |  | (1,331) |
Unrealized gains and losses on AFS disposals | (5,288) |  | (11,264) |
Net actuarial loss | 789 |  | 2,629 |
Prior service cost | 0 |  | 10 |
Curtailment expense | 0 |  | 16 |
Total defined benefit pension and post-retirement life | 789 |  | 2,655 |
Total Federal Income Tax Expense [Member] |  |  |  |
Amortization of non-credit OTTI losses on HTM securities, tax | (3) |  | (5) |
Total HTM Related | 215 |  | 466 |
Total unrealized gains and losses on AFS disposals | 1,850 |  | 3,942 |
Total defined benefit pension and post-retirement life, tax | (276) |  | (929) |
Net Income Financial Statement [Member] |  |  |  |
Amounts reclassed into Net Income: Non-credit other-than-temporary impairment | 3 |  | 8 |
Total HTM Related | (399) |  | (865) |
Total unrealized gains and losses on AFS | (3,438) |  | (7,322) |
Total defined benefit pension and post-retirement life, net of tax | 513 |  | 1,726 |
Total reclassifications for the period | (3,321) |  | (6,453) |
Net Realized Investment Gains [Member] |  |  |  |
Unrealized gains and losses on HTM disposals | (70) |  | (151) |
Unrealized gains and losses on AFS disposals | (5,288) |  | (11,264) |
Loss and loss expense incurred [Member] |  |  |  |
Net actuarial loss | 158 |  | 558 |
Prior service cost | 0 |  | 7 |
Policy acquisition costs [Member] |  |  |  |
Net actuarial loss | 631 |  | 2,071 |
Prior service cost | 0 |  | 3 |
Curtailment expense | $ 0 |  | $ 16 |

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