|
Senior Secured Notes and Subordinated Notes (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
|
Senior Secured Notes
|
||
| Debt Instrument [Line Items] | ||
| Fair Value | $ 8,641,507 | $ 10,695,136 |
|
Subordinated Notes
|
||
| Debt Instrument [Line Items] | ||
| Fair Value | 605,380 | 846,471 |
|
Non Consolidating Affiliates | Senior Secured Notes
|
||
| Debt Instrument [Line Items] | ||
| Borrowing Outstanding | 22,000 | 22,000 |
| Fair Value | 21,018 | 18,229 |
|
Non Consolidating Affiliates | Subordinated Notes
|
||
| Debt Instrument [Line Items] | ||
| Borrowing Outstanding | 213,037 | 258,156 |
| Fair Value | $ 109,317 | $ 172,899 |