INVESTMENTS IN CONSUMER LOANS - Carrying Value of Performing Loans (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016		Jun. 30, 2016	Jun. 30, 2015
Loans Receivable [Roll Forward]
Proceeds from repayments				$ (17,825)	$ (11,085)
Accretion of loan discount and premium amortization, net				331,915	$ 209,137
Consumer Portfolio Segment [Member] | Performing Loans [Member]
Loans Receivable [Roll Forward]
Beginning balance				0
SpringCastle Transaction				1,536,138
Additional fundings	[1]			16,483
Proceeds from repayments				(79,158)
Accretion of loan discount and premium amortization, net				2,145
Net charge-offs		$ (15,438)	[2]	(15,438)
Provision for loan losses		(15,970)		(532)
Ending balance		$ 1,459,638		$ 1,459,638

[1] Represents draws on consumer loans with revolving privileges.

[2] Consumer loans, other than PCD loans, are charged off when available information confirms that loans are uncollectible, which is generally 180 days past due. Charge-offs are presented net of $2.8 million in recoveries of previously charged-off UPB.