Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Revolving Credit Facility (Details)

v3.2.0.727
Long-Term Debt and Revolving Credit Facility (Details) - Revolving credit agreement - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Long-term debt    
Maximum borrowing capacity $ 25,000  
Annual commitment fee (as a percent) 0.25%  
Interest rate at period end (as a percent) 1.50% 1.50%
LIBOR    
Long-term debt    
Margin on variable rate (as a percent) 1.25% 1.25%