DERIVATIVE INSTRUMENTS (Details 3) - Free-Standing Derivatives: - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Effect on income from free-standing derivatives
Realized gains (losses)	$ 11,354	$ (5,447)
Unrealized gains (losses)	(21,570)	(3,653)
Total	(10,216)	(9,100)
Interest rate swaps
Effect on income from free-standing derivatives
Realized gains (losses)	0	(5,297)
Unrealized gains (losses)	(11,731)	(244)
Total	(11,731)	(5,541)
Foreign exchange forward contracts and options
Effect on income from free-standing derivatives
Realized gains (losses)	11,212	15
Unrealized gains (losses)	(10,242)	(594)
Total	970	(579)
Common stock warrants
Effect on income from free-standing derivatives
Realized gains (losses)	142	0
Unrealized gains (losses)	0	(1,891)
Total	142	(1,891)
Total rate of return swaps
Effect on income from free-standing derivatives
Realized gains (losses)	0	(165)
Unrealized gains (losses)	0	(21)
Total	0	(186)
Options
Effect on income from free-standing derivatives
Realized gains (losses)	0	0
Unrealized gains (losses)	403	(903)
Total	$ 403	$ (903)