XML 63 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Commitments and Contingencies - Narrative (Details)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2017
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2014
lawsuit
Commitments and Contingencies Disclosure [Abstract]              
Number of pending lawsuits | lawsuit             3
Number of class action claims pending | lawsuit             2
Number of representative claims pending | lawsuit             1
Accrual for amount of settlement payment   $ 1,800,000   $ 1,800,000   $ 1,800,000  
Rent expense   1,705,000 $ 1,798,000 6,030,000 $ 4,022,000    
Debt Instrument [Line Items]              
Amount outstanding under Warehouse Agreement   705,000   705,000   $ 0  
Borrowings from warehouse credit facilities       5,603,000 $ 0    
Texas Capital Bank, Warehouse Agreement | Mortgage Warehouse Facility              
Debt Instrument [Line Items]              
Maximum borrowing capacity $ 10,000,000            
Discount on variable interest rate 1.50%            
Stated interest rate 3.00%            
Lender participation interest 97.00%            
Amount outstanding under Warehouse Agreement   $ 598,000   598,000      
Western Alliance Bank | Mortgage Warehouse Facility              
Debt Instrument [Line Items]              
Maximum borrowing capacity $ 10,000,000            
Stated interest rate 3.75%            
Lender participation interest 98.00%            
Borrowings from warehouse credit facilities       $ 107,000      
Western Alliance Bank | Mortgage Warehouse Facility | LIBOR              
Debt Instrument [Line Items]              
Basis spread on variable interest rate 3.00%            
Minimum              
Debt Instrument [Line Items]              
Operating lease term       1 year      
Maximum              
Debt Instrument [Line Items]              
Operating lease term       11 years