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Statements of Cash Flow (Tables) | 6 Months Ended
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Jun. 30, 2014
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures |
|  | Six Months ended June 30,
($ in thousands) |  | 2014 |  | 2013
Cash paid during the period for: |  |  |  |  |  |
Interest |  | $ | 11,113 |  |  | 10,295 |
Federal income tax |  | 3,699 |  |  | 11,000 |
Non-cash items: |  |  |  |
Tax-free exchange of fixed income securities, available-for-sale ("AFS") |  | 9,180 |  |  | 13,615 |
Tax-free exchange of fixed income securities, held-to-maturity ("HTM") |  | 15 |  |  | 10,710 |
Stock split related to equity securities, AFS |  | 334 |  |  | — |
Assets acquired under capital lease arrangements |  | 2,124 |  |  | 1,898 |

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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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