v2.4.0.8
Senior Secured Notes and Subordinated Notes (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Senior Secured Notes
   
Debt Instrument [Line Items]    
Fair Value $ 8,302,572 $ 10,695,136
Subordinated Notes
   
Debt Instrument [Line Items]    
Fair Value 610,435 846,471
Non-Consolidated Affiliates Senior Secured Notes | Senior Secured Notes
   
Debt Instrument [Line Items]    
Borrowing Outstanding 14,500 22,000
Fair Value 13,732 18,229
Non-Consolidated Affiliates Senior Secured Notes | Subordinated Notes
   
Debt Instrument [Line Items]    
Borrowing Outstanding 224,444 258,156
Fair Value $ 110,197 $ 172,899