Quarterly report pursuant to Section 13 or 15(d)

Debt Instruments - Credit Facility (Details)

v3.7.0.1
Debt Instruments - Credit Facility (Details) - USD ($)
1 Months Ended
Sep. 30, 2016
Mar. 31, 2017
Line of credit    
Debt Instruments    
Maximum borrowings available   $ 120,000,000.0
Credit facility $ 90,000,000.0  
Interest rate   3.81%
Available borrowing capacity   $ 28,800,000
Letter of credit    
Debt Instruments    
Outstanding amount   $ 1,200,000