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Investments (Details 14) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Credit Quality Indicators [Line Items] |  |
Mortgage Loans On Real Estate Commercial And Consumer | $ 2,312,167,000 | $ 1,003,524,000
High Investment Grade [Member] |  |
Credit Quality Indicators [Line Items] |  |
Mortgage Loans On Real Estate Commercial And Consumer | 1,235,605,000 | 252,333,000
Investment Grade [Member] |  |
Credit Quality Indicators [Line Items] |  |
Mortgage Loans On Real Estate Commercial And Consumer | 834,494,000 | 526,608,000
Average [Member] |  |
Credit Quality Indicators [Line Items] |  |
Mortgage Loans On Real Estate Commercial And Consumer | 132,607,000 | 105,177,000
Watch List [Member] |  |
Credit Quality Indicators [Line Items] |  |
Mortgage Loans On Real Estate Commercial And Consumer | 76,463,000 | 91,037,000
In Or Near Default [Member] |  |
Credit Quality Indicators [Line Items] |  |
Mortgage Loans On Real Estate Commercial And Consumer | $ 32,998,000 | $ 28,369,000

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- Details
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- Definition The balance represents the gross 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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