Available-for-Sale Securities, at Fair Value Schedule of Realized Gain (Loss) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Schedule of Available-for-sale Securities [Line Items] | |||
| Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds | $ 8,673,794 | $ 14,404,457 | $ 6,985,567 |
| Available-for-sale Securities, Gross Realized Gains (Losses), Amortized Cost Sold | 8,706,285 | 14,530,685 | 6,616,215 |
| Gross realized gains | 67,764 | 97,049 | 388,392 |
| Gross realized losses | (100,255) | (223,277) | (19,040) |
| Total realized (losses) gains on sales, net | $ (32,491) | $ (126,228) | $ 369,352 |
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- 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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