Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale Securities, at Fair Value Schedule of Realized Gain (Loss) (Details)

v2.4.0.8
Available-for-Sale Securities, at Fair Value Schedule of Realized Gain (Loss) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Schedule of Available-for-sale Securities [Line Items]        
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds $ 1,902,311 $ 3,070,334 $ 3,176,234 $ 4,056,691
Available-for-sale Securities, Gross Realized Gains (Losses), Amortized Cost Sold 1,839,591 3,304,872 3,116,348 4,219,860
Available-for-sale Securities, Gross Realized Gains 87,842 27,786 131,005 103,451
Available-for-sale Securities, Gross Realized Losses (25,122) (262,323) (71,119) (266,620)
Available-for-sale Securities, Gross Realized Gain (Loss) $ 62,720 $ (234,537) $ 59,886 $ (163,169)