FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]
Assets measured at fair value on a nonrecurring basis	$ 300,000	$ 300,000
Asset fair value adjustment		(7,600)
Consumer Loan Companies [Member]
Schedule of Equity Method Investments [Line Items]
Notes and bonds payable			$ 1,803,200
Fair Value [Member] | Fair Value, Measurements, Nonrecurring [Member]
Schedule of Equity Method Investments [Line Items]
Fair Value	$ 272,564	$ 272,564
Minimum [Member]
Schedule of Equity Method Investments [Line Items]
Broker price discount	10.00%	10.00%
Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Broker price discount	25.00%	25.00%
Residential Mortgage Loans [Member]
Schedule of Equity Method Investments [Line Items]
Assets measured at fair value on a nonrecurring basis				$ 272,600
Real Estate Acquired in Satisfaction of Debt [Member]
Schedule of Equity Method Investments [Line Items]
Assets measured at fair value on a nonrecurring basis				$ 40,200
Real Estate Owned [Member]
Schedule of Equity Method Investments [Line Items]
Asset fair value adjustment		$ 8,600
Loans Held-for-sale [Member]
Schedule of Equity Method Investments [Line Items]
Asset fair value adjustment		$ (1,000)
Excess MSRs Investees [Member] | MSRs [Member]
Schedule of Equity Method Investments [Line Items]
Weighted average discount rate, used to value investments in excess MSRs	9.90%	9.90%