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Statements of Cash Flow (Tables) | 9 Months Ended
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Sep. 30, 2015
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures |
|  | Nine Months ended September 30,
($ in thousands) |  | 2015 |  | 2014
Cash paid during the period for: |  |  |  |  |  |
Interest |  | $ | 13,843 |  |  | 14,089 |
Federal income tax |  | 18,500 |  |  | 4,699 |
Non-cash items: |  |  |  |
Tax-free exchange of fixed income securities, available-for-sale ("AFS") |  | 35,425 |  |  | 14,954 |
Tax-free exchange of fixed income securities, held-to-maturity ("HTM") |  | 10,045 |  |  | 4,288 |
Corporate actions related to equity securities, AFS 1 |  | 4,239 |  |  | 334 |
Assets acquired under capital lease arrangements |  | 6,933 |  |  | 4,853 |
1 Examples of such corporate actions include non-cash acquisitions and stock splits.

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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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- References No definition available. + Details
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