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Statements of Cash Flow (Cash Flow Supplemental Disclosures) (Details) (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Interest | $ 11,113,000 | $ 10,295,000
Federal income tax | 3,699,000 | 11,000,000
Tax-free exchange of fixed maturity security, AFS | 9,180,000 | 13,615,000
Tax-free exchange of fixed maturity security, HTM | 15,000 | 10,710,000
Stock Split Related To Equity Securities, AFS | 334,000 | 0
Assets acquired under capital lease arrangements | 2,124,000 | 1,898,000
National Flood Insurance Program [Member] |  |
Restricted Cash | $ 8,500,000 |

X
- Definition The amount of cash paid during the current period to federal authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of federal taxes. + References No definition available. + Details
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- Definition This item represents a stock split which resulted in a non-cash transaction of AFS equity securities. + References No definition available. + Details
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