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Comprehensive Income (Reclassification out of AOCI) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Total HTM Related, Tax | $ 160 | $ 251
Amounts reclassified from AOCI, HTM Related | (296) | (466)
Realized gains on AFS disposals and OTTI | (7,229) | (5,976)
Total unrealized gains and losses on AFS, Tax | 2,530 | 2,092
Realized gains on available for sale securities | (4,699) | (3,884)
Amount reclassified into Net Income: Net actuarial loss, Gross | 380 | 1,840
Total defined benefit pension and post-retirement life, Gross | 380 | 45,866
Total defined benefit pension and post-retirement life,Tax | (133) | (16,053)
Total defined benefit pension and post-retirement plans | 247 | 29,813
Accumulated Other-than-Temporary Impairment [Member] |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 0 |
Net Realized Gains [Member] |  |
Unrealized gains and losses on HTM disposals | 24 |
Realized gains on AFS disposals and OTTI | (7,229) |
Net Investment Income Earned [Member] |  |
Amortization of net unrealized gains on HTM securities | (480) |
Income From Continuing Operations Before Federal Income Tax [Member] |  |
Amortization of net unrealized gains on HTM securities | (456) |
Realized gains on AFS disposals and OTTI | (7,229) |
Total defined benefit pension and post-retirement life, Gross | 380 |
Total Federal Income Tax Expense [Member] |  |
Total HTM Related, Tax | 160 |
Total unrealized gains and losses on AFS, Tax | 2,530 |
Total defined benefit pension and post-retirement life,Tax | (133) |
Net Income Financial Statement [Member] |  |
Amounts reclassified from AOCI, HTM Related | (296) |
Realized gains on available for sale securities | (4,699) |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | (4,748) |
Net Income Financial Statement [Member] | Accumulated Defined Benefit Plans Adjustment [Member] |  |
Total defined benefit pension and post-retirement plans | 247 |
Loss and loss expense incurred [Member] |  |
Amount reclassified into Net Income: Net actuarial loss, Gross | 87 |
Policy acquisition costs [Member] |  |
Amount reclassified into Net Income: Net actuarial loss, Gross | $ 293 |

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