|
Available-for-Sale Securities, at Fair Value Available-for-Sale Securities Sold Under Agreements to Repurchase (Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Market Value | $ 13,858,932 | $ 14,287,224 |
|
Available-for-sale Securities [Member]
|
||
| Assets Sold under Agreements to Repurchase [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Market Value | $ 12,239,599 | $ 12,810,355 |
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Market value of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|