Annual report pursuant to Section 13 and 15(d)

Credit Facilities - Schedule of Credit Facilities (Details)

v3.10.0.1
Credit Facilities - Schedule of Credit Facilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Line of Credit Facility [Line Items]    
Outstanding balance $ 258,592 $ 69,922
Senior Secured Revolving Credit Facility [Member] | Rep-Based Facility [Member]    
Line of Credit Facility [Line Items]    
Outstanding balance 134,000  
Value of collateral pledged to credit facility $ 188,000  
Weighted average short-term borrowing rate 3.90%  
Senior Secured Revolving Credit Facility [Member] | Approval-Based Facility [Member]    
Line of Credit Facility [Line Items]    
Outstanding balance $ 125,000  
Value of collateral pledged to credit facility $ 164,000  
Weighted average short-term borrowing rate 4.20%