Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS - Investments in Equity Method Investees Fair Value (Details 4)

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FAIR VALUE OF FINANCIAL INSTRUMENTS - Investments in Equity Method Investees Fair Value (Details 4) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Investments in equity method investees at fair value, beginning $ 352,766  
Distributions of earnings from equity method investees (11,940) (1,344)
Distributions of capital from equity method investees (8,893)  
Change in fair value of investments in equity method investees 6,374 969
Investments in equity method investees at fair value, ending 338,307  
Level 3 Inputs [Member]
   
Investments in equity method investees at fair value, ending 338,307  
Recurring Basis [Member] | Level 3 Inputs [Member]
   
Investments in equity method investees at fair value, beginning 352,766  
Distributions of earnings from equity method investees (11,940)  
Distributions of capital from equity method investees (8,893)  
Change in fair value of investments in equity method investees 6,374  
Investments in equity method investees at fair value, ending $ 338,307