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Statements of Cash Flow (Tables) | 9 Months Ended
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Sep. 30, 2014
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures |
|  | Nine Months ended September 30,
($ in thousands) |  | 2014 |  | 2013
Cash paid during the period for: |  |  |  |  |  |
Interest |  | $ | 14,089 |  |  | 13,325 |
Federal income tax |  | 4,699 |  |  | 17,000 |
Non-cash items: |  |  |  |
Tax-free exchange of fixed income securities, available-for-sale ("AFS") |  | 14,954 |  |  | 23,733 |
Tax-free exchange of fixed income securities, held-to-maturity ("HTM") |  | 4,288 |  |  | 15,820 |
Stock split related to equity securities, AFS |  | 334 |  |  | — |
Assets acquired under capital lease arrangements |  | 4,853 |  |  | 2,290 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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