Quarterly report pursuant to Section 13 or 15(d)

Schedule of Revolving Credit Facilities by Maturity (Details)

v3.10.0.1
Schedule of Revolving Credit Facilities by Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Line of Credit Facility [Line Items]    
Revolving credit facilities $ 310,000 $ 20,000
Maturity up to 30 days [Member]    
Line of Credit Facility [Line Items]    
Revolving credit facilities 0 0
Maturity 30 to 59 Days [Member]    
Line of Credit Facility [Line Items]    
Revolving credit facilities 0 0
Maturity 60 to 89 Days [Member]    
Line of Credit Facility [Line Items]    
Revolving credit facilities 20,000 0
Maturity 90 to 119 Days [Member]    
Line of Credit Facility [Line Items]    
Revolving credit facilities 0 0
Maturity 120 to 364 days [Member]    
Line of Credit Facility [Line Items]    
Revolving credit facilities 0 20,000
Maturity Over One Year [Member]    
Line of Credit Facility [Line Items]    
Revolving credit facilities $ 290,000 $ 0