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Debt (Tables) | 6 Months Ended
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Jun. 30, 2019
Debt Disclosure [Abstract] |
Summary of Indebtedness outstanding | Indebtedness outstanding was as follows:
($ in thousands) |  | June 30, 2019 |  | December 31, 2018
Short-term debt: |  |  |  |  |  |
Bank Credit Facility, expires June 21, 2024 |  | $ | — |  |  | $ | — |
Long-term debt: |  |  |  |  |  |
4.50% Senior Notes, due December 1, 2025. Aggregate principal amount of $250,000 thousand less unaccrued discount of $458 and $488 thousand (4.5% imputed rate) and unamortized debt issuance costs of $1,661 thousand and $1,772 thousand |  | 247,881 |  |  | 247,740 |
FHLB borrowing |  | 50,000 |  |  | 50,000 |
Total |  | $ | 297,881 |  |  | $ | 297,740 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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