Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN SERVICER ADVANCES - Schedule of Interest Income Related to Investments in Servicer Advances - Others' Interests (Details)

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INVESTMENTS IN SERVICER ADVANCES - Schedule of Interest Income Related to Investments in Servicer Advances - Others' Interests (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Others [Member]          
Investment [Line Items]          
Investment in equity $ 159,167   $ 159,167   $ 173,057
Ownership interest 54.20%   54.20%   54.20%
Net income $ 3,328 $ 10,345 $ 9,148 $ 14,547  
Others' ownership interest as a percent of total 54.20% 55.50% 54.20% 55.50%  
Servicer Advance Joint Venture [Member]          
Investment [Line Items]          
Investment in equity $ 293,624   $ 293,624   $ 319,248
Ownership interest 45.80%   45.80%    
Net income $ 6,140 $ 18,647 $ 16,876 $ 26,222  
Average ownership percentage 45.80% 44.50% 45.80% 44.50%