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ORGANIZATION AND BASIS OF PRESENTATION (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 0 Months Ended
Mar. 31, 2013
state
Sep. 04, 2012
ARA Finance LLC
Sep. 04, 2012
ARA Finance LLC
ARA Finco LLC
Sep. 04, 2012
CWCapital
ORGANIZATION AND BASIS OF PRESENTATION        
Number of states in which the entity is approved as a Freddie Mac Program Plus lender 22      
Maximum term of interim loans 2 years      
ACQUISITION OF CWCAPITAL LLC        
Total consideration transferred       $ 231.1
Purchase consideration paid in cash       80.0
Shares issuable under purchase consideration       11.6
Purchase consideration paid through the issuance of shares       $ 151.1
Percentage of ownership   50.00%    
Percentage of ownership by joint venture     50.00%