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Comprehensive Income (Reclassification out of AOCI) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Amounts reclassified into net income: Non-credit OTTI |  | $ 1,200 | $ 357 | $ 1,669
Non-credit OTTI, Tax |  | (420) | (125) | (584)
Amounts reclassified into net income: Non-credit other-than-temporary impairments on disposed securities | $ 0 | 780 | 232 | 1,085
Reclassification of net unrealized gains on HTM securities including disposals and amortization | (97) | (373) | (543) | (1,050)
Total HTM Related, Tax | 34 | 130 | 190 | 367
Amounts reclassified from AOCI, HTM Related | (63) | (243) | (353) | (683)
Realized gains on AFS disposals and OTTI | (305) | (16,435) | (16,778) | (28,672)
Total realized gains on AFS disposals and OTTI | 106 | 5,752 | 5,872 | 10,035
Amounts reclassified into net income: realized gains on available for sale securities | (199) | (10,683) | (10,906) | (18,637)
Amount reclassified into net income: Net actuarial loss, Gross | 1,709 | 381 | 5,127 | 1,142
Defined pension and other post-retirement benefit plans, Tax | (599) | (134) | (1,795) | (400)
Total defined benefit pension and post-retirement plans | 1,110 | 247 | 3,332 | 742
Investment Income [Member] |  |  |  |
Amortization of net unrealized gains on HTM securities | (218) | (385) | (801) | (1,137)
Income Before Federal Income Tax [Member] |  |  |  |
Amounts reclassified into net income: Non-credit OTTI | 0 | 1,200 | 357 | 1,669
Reclassification of net unrealized gains on HTM securities including disposals and amortization | (97) | (373) | (543) | (1,050)
Realized gains on AFS disposals and OTTI | (305) | (16,435) | (16,778) | (28,672)
Amount reclassified into net income: Net actuarial loss, Gross | 1,709 | 381 | 5,127 | 1,142
Total Federal Income Tax Expense [Member] |  |  |  |
Non-credit OTTI, Tax | 0 | (420) | (125) | (584)
Total HTM Related, Tax | 34 | 130 | 190 | 367
Total realized gains on AFS disposals and OTTI | 106 | 5,752 | 5,872 | 10,035
Defined pension and other post-retirement benefit plans, Tax | (599) | (134) | (1,795) | (400)
Net Income Financial Statement Line Item [Member] |  |  |  |
Amounts reclassified into net income: Non-credit other-than-temporary impairments on disposed securities | 0 | 780 | 232 | 1,085
Amounts reclassified from AOCI, HTM Related | (63) | (243) | (353) | (683)
Amounts reclassified into net income: realized gains on available for sale securities | (199) | (10,683) | (10,906) | (18,637)
Total defined benefit pension and post-retirement plans | 1,110 | 247 | 3,332 | 742
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 848 | (9,899) | (7,695) | (17,493)
Net Realized Investment Gains [Member] |  |  |  |
Unrealized gains and losses on HTM disposals | 121 | 12 | 258 | 87
Realized gains on AFS disposals and OTTI | (305) | (16,435) | (16,778) | (28,672)
Net Realized Investment Gains [Member] | Non-credit OTTI on Disposed Securities [Member] |  |  |  |
Amounts reclassified into net income: Non-credit OTTI | 0 | 1,200 | 357 | 1,669
Loss And Loss Expense Incurred [Member] |  |  |  |
Amount reclassified into net income: Net actuarial loss, Gross | 371 | 88 | 1,114 | 263
Policy acquisition costs [Member] |  |  |  |
Amount reclassified into net income: Net actuarial loss, Gross | $ 1,338 | $ 293 | $ 4,013 | $ 879

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