XML 88 R72.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loans Held for Sale - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Gain on loans held for sale, net   $ 103,402 $ 90,391 $ 134,969
Line of Credit [Member] | Lending [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans held for sale, at fair value, UPB pledged to secure warehouse lines of credit   195,200    
Line of Credit [Member] | Servicing [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans held for sale, at fair value, UPB pledged to secure warehouse lines of credit   $ 8,400    
Unrelated Party [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Gain on loans held for sale, net $ 20,100      
UPB of loans held for sale $ 75,700