Trading Securities, at Fair Value (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Dec. 31, 2014 |
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| Schedule of Trading Securities and Other Trading Assets [Line Items] | ||||
| Trading Securities, Cost | $ 0 | $ 1,996,289 | ||
| Trading Securities, Gross Unrealized Gain (Loss) | 0 | 1,367 | ||
| Trading securities, at fair value | 0 | 1,997,656 | ||
| Proceeds from sales of trading securities | $ 1,002,031 | 2,004,375 | $ 1,145,410 | |
| Trading Securities, Amortized Cost Sold | 996,908 | 1,996,951 | 1,139,932 | |
| Trading Securities, Realized Gain (Loss) | 5,123 | 7,424 | 5,478 | |
| Trading Securities, Change in Unrealized Holding Gain (Loss) | $ (8,372) | $ (1,367) | $ (6,860) | |
| Trading Securities Pledged as Collateral | $ 1,997,656 | |||
| X | ||||||||||
- Definition The cash inflow associated with sale of trading securities. No definition available.
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- Definition The total amount of amortized cost of trading securities sold during the reporting period. No definition available.
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- Definition The net amount of gross unrealized gains (losses) for trading securities, at a point in time. No definition available.
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Cost of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. No definition available.
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- Definition The fair value of trading securities that serve as collateral for borrowings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of gain (loss) realized from securities classified as trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of unrealized holding gain (loss) recognized in the income statement for investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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