INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred tax assets:
Servicer Advances	$ 144,842	$ 0
Allowance for loan losses	136	962
Unrealized mark to market	468	0
Net operating losses	42,944	2,657
Other	6,330	134
Total deferred tax assets	194,720	3,753
Less valuation allowance	(9,409)	(3,619)	$ (493)
Net deferred tax assets	185,311	134
Deferred tax liabilities:
Unrealized gains on servicer advances	0	(15,248)
Total deferred tax liability	0	(15,248)
Net deferred tax assets	185,311	0
Net deferred tax liability	$ 0	$ (15,114)