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Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Schedule of Components of Comprehensive Income-Gross and Net of Tax |
First Quarter 2014 |  |  |  |  |  |
($ in thousands) |  | Gross |  | Tax |  | Net
Net income |  | $ | 25,084 |  |  | 7,110 |  |  | 17,974 |
Components of OCI: |  |  |  |  |  |  |  |  |
Unrealized gains on investment securities: |  |  |  |  |  |  |  |  |
Unrealized holding gains during the period |  | 32,964 |  |  | 11,538 |  |  | 21,426 |
Amounts reclassified into net income: |  |  |  |  |  |
HTM securities |  | (456 | ) |  | (160 | ) |  | (296 | )
Realized gains on AFS securities |  | (7,229 | ) |  | (2,530 | ) |  | (4,699 | )
Net unrealized gains |  | 25,279 |  |  | 8,848 |  |  | 16,431 |
Defined benefit pension and post-retirement plans: |  |  |  |  |  |  |  |  |
Amounts reclassified into net income: |  |  |  |  |  |  |  |  |
Net actuarial loss |  | 380 |  |  | 133 |  |  | 247 |
Prior service cost |  | — |  |  | — |  |  | — |
Defined benefit pension and post-retirement plans |  | 380 |  |  | 133 |  |  | 247 |
Other comprehensive income |  | 25,659 |  |  | 8,981 |  |  | 16,678 |
Comprehensive income |  | $ | 50,743 |  |  | 16,091 |  |  | 34,652 |
First Quarter 2013 |  |  |  |  |  |
($ in thousands) |  | Gross |  | Tax |  | Net
Net income |  | $ | 27,333 |  |  | 6,025 |  |  | 21,308 |
Components of OCI: |  |  |  |  |  |  |  |  |
Unrealized gains on investment securities: |  |  |  |  |  |  |  |  |
Unrealized holding gains during the period |  | 3,684 |  |  | 1,290 |  |  | 2,394 |
Non-credit OTTI recognized in OCI |  | 30 |  |  | 10 |  |  | 20 |
Amounts reclassified into net income: |  |  |  |  |  |
HTM securities |  | (717 | ) |  | (251 | ) |  | (466 | )
Non-credit OTTI |  | 7 |  |  | 3 |  |  | 4 |
Realized gains on AFS securities |  | (5,976 | ) |  | (2,092 | ) |  | (3,884 | )
Net unrealized losses |  | (2,972 | ) |  | (1,040 | ) |  | (1,932 | )
Defined benefit pension and post-retirement plans: |  |  |  |  |  |  |  |  |
Net actuarial losses |  | 44,000 |  |  | 15,400 |  |  | 28,600 |
Amounts reclassified into net income: |  |  |  |  |  |  |  |  |
Net actuarial loss |  | 1,840 |  |  | 644 |  |  | 1,196 |
Prior service cost |  | 10 |  |  | 4 |  |  | 6 |
Curtailment expense |  | 16 |  |  | 5 |  |  | 11 |
Defined benefit pension and post-retirement plans |  | 45,866 |  |  | 16,053 |  |  | 29,813 |
Other comprehensive income |  | 42,894 |  |  | 15,013 |  |  | 27,881 |
Comprehensive income |  | $ | 70,227 |  |  | 21,038 |  |  | 49,189 |
Schedule of Components of Accumulated Other Comprehensive Income |
March 31, 2014 |  | Net Unrealized (Loss) Gain on Investment Securities |  |  |  |
($ in thousands) |  | OTTI Related |  | HTM Related |  | All Other |  | Investments Subtotal |  | Defined Benefit Pension and Post-Retirement Plans |  | Total AOCI
Balance, December 31, 2013 |  | $ | (1,599 | ) |  | 1,467 |  |  | 51,635 |  |  | 51,503 |  |  | (26,652 | ) |  | 24,851 |
OCI before reclassifications |  | — |  |  | — |  |  | 21,426 |  |  | 21,426 |  |  | — |  |  | 21,426 |
Amounts reclassified from AOCI |  | — |  |  | (296 | ) |  | (4,699 | ) |  | (4,995 | ) |  | 247 |  |  | (4,748 | )
Net current period OCI |  | — |  |  | (296 | ) |  | 16,727 |  |  | 16,431 |  |  | 247 |  |  | 16,678 |
Balance, March 31, 2014 |  | $ | (1,599 | ) |  | 1,171 |  |  | 68,362 |  |  | 67,934 |  |  | (26,405 | ) |  | 41,529 |
Schedule of Reclassifications Out Of Accumulated Other Comprehensive Income |
($ in thousands) | Quarter ended March 31, 2014 |  | Affected Line Item in the Unaudited Consolidated Statement of Income
HTM related |  |  |
Unrealized losses on HTM disposals | 24 |  |  | Net realized gains
Amortization of net unrealized gains on HTM securities | (480 | ) |  | Net investment income earned
| (456 | ) |  | Income from continuing operations, before federal income tax
| 160 |  |  | Total federal income tax expense
| (296 | ) |  | Net income
Realized gains and losses on AFS |  |  |
Realized gains on AFS disposals and OTTI | (7,229 | ) |  | Net realized gains
| (7,229 | ) |  | Income from continuing operations, before federal income tax
| 2,530 |  |  | Total federal income tax expense
| (4,699 | ) |  | Net income
Defined benefit pension and post-retirement life plans |  |  |
Net actuarial loss | 87 |  |  | Loss and loss expense incurred
| 293 |  |  | Policy acquisition costs
Total defined benefit pension and post-retirement life plans | 380 |  |  | Income from continuing operations, before federal income tax
| (133 | ) |  | Total federal income tax expense
| 247 |  |  | Net income
Total reclassifications for the period | $ | (4,748 | ) |  | Net income

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e526-108580 + Details
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