Available-for-Sale Securities, at Fair Value Schedule of Realized Gain (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
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| Schedule of Available-for-sale Securities [Line Items] | ||||
| Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds | $ 2,791,697 | $ 1,094,959 | $ 6,567,991 | $ 3,666,974 |
| Available-for-sale Securities, Gross Realized Gains (Losses), Amortized Cost Sold | 2,759,919 | 1,028,486 | 6,504,642 | 3,407,171 |
| Available-for-sale Securities, Gross Realized Gains | 31,942 | 75,427 | 77,836 | 269,314 |
| Available-for-sale Securities, Gross Realized Losses | (164) | (8,955) | (14,487) | (9,511) |
| Available-for-sale Securities, Gross Realized Gain (Loss) | $ 31,778 | $ 66,472 | $ 63,349 | $ 259,803 |
| X | ||||||||||
- Definition The total amount of amortized cost of securities, categorized neither as held-to-maturity nor trading securities, sold during the reporting period. No definition available.
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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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