XML 111 R64.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investments Net Realized Gains Losses on Invesments, Excluding Other Than Temporary Impairments (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Gain (Loss) on Investments [Line Items]                      
Other Investments, Net Realized Gain (Loss) $ 1,471 $ (1,238) $ (611) $ (6,076) $ 698 $ (17,292) $ (854) $ (1,193) $ (6,454) $ (18,641) $ 23,726
Fixed Maturities [Member]
                      
Gain (Loss) on Investments [Line Items]                      
Available-for-sale Securities, Gross Realized Gains                 10,906 12,614 27,755
Available-for-sale Securities, Gross Realized Losses                 (562) (1,423) (2,575)
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments                 10,344 11,191 25,180
Equity Securities [Member]
                      
Gain (Loss) on Investments [Line Items]                      
Available-for-sale Securities, Gross Realized Gains                 562 966 14,384
Available-for-sale Securities, Gross Realized Losses                 0 0 (71)
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments                 562 966 14,313
Other Investments [Member]
                      
Gain (Loss) on Investments [Line Items]                      
Gains (Losses) on Sales of Other Real Estate                 5,149 377 0
Other Investments, Impairment Losses                 (5,677) (405) (542)
Other Investments, Net Realized Gain (Loss)                 (528) (28) (542)
Mortgage Loans on Real Estate [Member]
                      
Gain (Loss) on Investments [Line Items]                      
Mortgage Loans on Real Estate, Write-down or Reserve, Amount                 $ (16,832) $ (30,770) $ (15,225)
Maximum [Member] | Equity Securities [Member]
                      
Gain (Loss) on Investments [Line Items]                      
Available-for-sale Securities, Impairment, Recovary of Book Value, Reasonable Period                 18