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Investments (Narrative) (Details) (USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 securities | Sep. 30, 2013 | Sep. 30, 2014 securities | Sep. 30, 2013 | Dec. 31, 2013 securities
Investment Narrative [Line Items] |  |  |  |  |
Transfer to Investments |  |  | $ 1,580,100,000 | $ 0 |
Policy Loans Percent Of Total Investments | 3.50% |  | 3.50% |  | 3.80%
Mortgage Loan To Value Ratio on Approval |  |  | 75.00% |  |
Mortgage Loan Percent Of Cash And Invested Assets | 7.40% |  | 7.40% |  | 7.70%
Proceeds From Sale Of Available For Sale Securities Sold At Loss | 225,600,000 | 410,400,000 | 683,500,000 | 872,200,000 |
Available-for-sale Securities, Gross Realized Losses | 6,355,000 | 30,434,000 | 19,815,000 | 48,406,000 |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | 1,030 |  | 1,030 |  | 1,396
Securities As Percentage Of Consolidated Stockholder Equity | 10.00% |  | 10.00% |  |
Securities Borrowed Or Pledged, Minimum Fair Value Percentage |  |  | 100.00% |  |
Minimum Collateral Balance of Cash Received Fair Value |  |  | 105.00% |  |
Collateral Obtained Percent Of Fair Value Reverse Repurchase Agreements |  |  | 100.00% |  |
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total | 100.00% |  | 100.00% |  | 100.00%
Funds Withheld At Interest Percent Of Total Investments | 16.80% |  | 16.80% |  | 17.80%
Funds withheld at interest | 5,969,006,000 |  | 5,969,006,000 |  | 5,771,467,000
Funds Held Under Reinsurance Agreements Asset Specific Client | 4,300,000,000 |  | 4,300,000,000 |  |
Other Invested Assets Percent Of Cash And Invested Assets | 3.30% |  | 3.30% |  | 4.10%
Investment in mortgage loans |  |  |  |  |
Investment Narrative [Line Items] |  |  |  |  |
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due |  |  |  |  | $ 0
CALIFORNIA |  |  |  |  |
Investment Narrative [Line Items] |  |  |  |  |
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total | 19.60% |  | 19.60% |  | 23.30%

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- Definition The amount represents the total percentage of each property type in comparison to the total of mortgage loans whose balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + References No definition available. + Details
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