INVESTMENTS IN SERVICER ADVANCES - Schedule of Interest Income Related to Investments in Servicer Advances (Details) - Servicer Advance Investments [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Investment [Line Items]
Interest income, gross of amounts attributable to servicer compensation	$ 161,601	$ 221,613	$ 581,231	$ 511,931
Amounts attributable to base servicer compensation	(15,276)	(26,553)	(68,184)	(65,111)
Amounts attributable to incentive servicer compensation	(45,197)	(89,952)	(255,170)	(190,775)
Interest income from investments in Servicer Advances	$ 101,128	$ 105,108	$ 257,877	$ 256,045