Quarterly report pursuant to Section 13 or 15(d)

Schedule of Gains Losses on Fair Value of RE Securities (Details)

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Schedule of Gains Losses on Fair Value of RE Securities (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Gain (loss) on settelement of investments, net $ (3) $ 4,823
OTTI (422) (5,883)
Measured on a Recurring Basis | Level 3A Inputs
    
Gain (loss) on settelement of investments, net     
Other income (loss), net     
OTTI     
Total    [1],[2]  
Gain (loss) on sale of investments, net, from investments transferred into Level 3 during the period     
Measured on a Recurring Basis | Level 3B Inputs
    
Gain (loss) on settelement of investments, net     
Other income (loss), net     
OTTI (539)  
Total (539) [1],[2]  
Gain (loss) on sale of investments, net, from investments transferred into Level 3 during the period     
[1] (B) None of the gains (losses) recorded in earnings during the period is attributable to the change in unrealized gains (losses) relating to Level 3 assets still held at the reporting date.
[2] (C) These gains (losses) are recorded in the following line items in the consolidated statements of income (See table Schedule of Gains Losses on Fair Value of RE Securities).