INVESTMENTS IN EXCESS MORTGAGE SERVICING RIGHTS AT FAIR VALUE - Geographic Distribution (Details 1) (MSRs)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Percentage of UPB 100.00% 100.00% [1] 100.00% [1]
California
     
Percentage of UPB 31.50% 32.00% [1] 19.40% [1]
Florida
     
Percentage of UPB 9.80% 10.10% [1] 11.10% [1]
New York
     
Percentage of UPB 4.90% 4.30% [1]  
Texas
     
Percentage of UPB 4.00% 3.60% [1] 6.70% [1]
Washington
     
Percentage of UPB 3.90% 4.30% [1] 3.20% [1]
Arizona
     
Percentage of UPB 3.50% 3.90% [1] 4.80% [1]
Maryland
     
Percentage of UPB 3.50% 3.40% [1] 3.10% [1]
New Jersey
     
Percentage of UPB 3.30% 3.10% [1] 3.10% [1]
Colorado
     
Percentage of UPB 3.20% 3.50% [1]  
Virginia
     
Percentage of UPB 3.10% 3.00% [1] 3.50% [1]
Other US Locations
     
Percentage of UPB 29.30% 2.88% [1] 39.40% [1]
Illinois
     
Percentage of UPB     3.00% [1]
Nevada
     
Percentage of UPB     2.70% [1]
[1] Based on the information provided by the loan servicer as of the most recent remittance for the respective dates.