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Statements of Cash Flow (Cash Flow Supplemental Disclosures) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Interest | $ 21,465,000 | $ 18,779,000 | $ 18,207,000
Federal income tax | 20,000,000 | 6,421,000 | (10,963,000)
Tax-free exchange of fixed maturity security, AFS | 37,965,000 | 18,942,000 | 20,643,000
Tax-free exchange of fixed maturity security, HTM | 15,820,000 | 25,168,000 | 21,870,000
National Flood Insurance Program [Member] |  |  |
Restricted cash | $ 7,300,000 |  |

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 tax-free exchange of AFS fixed maturity securities, which has not been included in securities purchased. + References No definition available. + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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