Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN CONSUMER LOANS - Consumer Loan Variable Interest Entities (Details)

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INVESTMENTS IN CONSUMER LOANS - Consumer Loan Variable Interest Entities (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Variable Interest Entity [Line Items]    
Real estate securities, available-for-sale $ 7,423,273 $ 5,073,858
VIE, consolidated [Member]    
Variable Interest Entity [Line Items]    
Total assets 1,401,627 1,789,286
Notes and bonds payable 1,103,521 1,464,851
Accounts payable and accrued expenses 4,482 5,187
Total liabilities 1,108,003 $ 1,470,038
VIE, consolidated [Member] | Consumer Loan Companies [Member]    
Variable Interest Entity [Line Items]    
Consumer loans, held-for-investment 1,447,008  
Restricted cash 12,400  
Accrued interest receivable 21,229  
Total assets 1,480,637  
Notes and bonds payable 1,450,605  
Accounts payable and accrued expenses 850  
Total liabilities 1,451,455  
Real estate securities, available-for-sale $ 121,000