XML 49 R39.htm IDEA: XBRL DOCUMENT v3.8.0.1
Debt Obligations - By Component (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Oct. 31, 2017
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Debt Obligations        
Outstanding Balance   $ 637,950   $ 609,391
Available for borrowing   596,667   515,400
Amount borrowed   64,500 $ 83,500  
Payments on debt   $ 19,167 $ 16,667  
Weighted Average        
Debt Obligations        
Applicable Interest Rate (as a percent)   4.36%    
Bank Borrowings        
Debt Obligations        
Outstanding Balance   $ 55,000   107,100
Available for borrowing   $ 545,000   492,900
Bank Borrowings | Weighted Average        
Debt Obligations        
Applicable Interest Rate (as a percent)   2.98%    
Senior Unsecured Notes        
Debt Obligations        
Outstanding Balance   $ 582,950   502,291
Available for borrowing   $ 51,667   $ 22,500
Senior Unsecured Notes | Weighted Average        
Debt Obligations        
Applicable Interest Rate (as a percent)   4.49%    
Subsequent Event | Bank Borrowings        
Debt Obligations        
Outstanding Balance $ 70,000      
Available for borrowing 530,000      
Amount borrowed $ 15,000