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Commitments And Contingencies (Tables) | 3 Months Ended
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Mar. 31, 2019
Commitments And Contingencies [Abstract] |
Summary Of Estimated Cost To Replace Annuities For Contingent Liability |
|  | At March 31, |  |  | At December 31, |
(Dollars in thousands) |  | 2019 |  |  | 2018 |
The Prudential |  | $ | 142,458 |  |  | $ | 142,754 |
Unaffiliated life insurance company |  |  | 33,059 |  |  |  | 34,717 |

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