DEBT OBLIGATIONS - Schedule of Contractual Maturities of Debt Obligations (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Debt maturing in:
2015	$ 3,042,725
2016	2,510,174
2017	509,400
Total	6,062,299	[1]	4,109,329	[1]	150,922
Nonrecourse [Member]
Debt maturing in:
2015	631,604
2016	2,309,062
2017	509,400
Total	3,450,066
Recourse [Member]
Debt maturing in:
2015	2,411,121	[2]
2016	201,112	[2]
2017	0	[2]
Total	$ 2,612,233	[2]

[1] Excludes debt related to linked transactions (Note 10).

[2] Excludes recourse debt related to linked transactions (Note 10).