Quarterly report pursuant to Section 13 or 15(d)

Line of Credit (Details)

v3.5.0.2
Line of Credit (Details)
2 Months Ended 4 Months Ended 6 Months Ended
Feb. 28, 2016
Jun. 30, 2016
USD ($)
Jun. 30, 2016
USD ($)
Line of Credit Facility [Line Items]      
Revolving credit facility   $ 80,000,000 $ 80,000,000
Revolving credit facility, maturity date     Jan. 02, 2017
Available borrowings for general corporate purposes   20,000,000 $ 20,000,000
Financial covenants, minimum net worth   $ 250,000,000 $ 250,000,000
Financial covenants, percent of net income added to net worth requirement   50.00% 50.00%
Financial covenants, percent of proceeds from stock issuance added to net worth requirement   100.00% 100.00%
Financial covenants, maximum EBITDA ratio   3.0 3.0
Financial covenants, minimum interest coverage ratio   2.0 2.0
Revolving credit facility, borrowings outstanding   $ 0 $ 0
Total outstanding letters of credit   $ 4,500,000 4,500,000
Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Revolving credit facility, unused annual commitment fee 0.25% 0.50%  
Letter of Credit      
Line of Credit Facility [Line Items]      
Revolving credit facility, unused annual commitment fee   2.00%  
Credit facility, unused portion   $ 75,500,000 $ 75,500,000