XML 49 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
Fair Value Disclosures - Carrying and Fair Value (Details) - USD ($)
$ in Thousands
1 Months Ended
Apr. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Jun. 23, 2015
Jun. 30, 2014
Fair Value Disclosures          
Payment of the earn-out $ 2,400        
Carrying Amount | Earn-out          
Fair Value Disclosures          
Contingent consideration (earn-out)   $ 2,412 $ 2,400    
Fair Value | Level 3 | Earn-out          
Fair Value Disclosures          
Contingent consideration (earn-out)   2,412 2,400    
Senior Notes | 8.5% Senior Notes Due 2019          
Fair Value Disclosures          
Stated interest rate (percent)         8.50%
Senior Notes | 6.00% Senior Convertible Notes Due 2020          
Fair Value Disclosures          
Stated interest rate (percent)       6.00%  
Senior Notes | Carrying Amount | 8.5% Senior Notes Due 2019          
Fair Value Disclosures          
Debt   197,104 196,782    
Senior Notes | Carrying Amount | 6.00% Senior Convertible Notes Due 2020          
Fair Value Disclosures          
Debt   78,958 78,878    
Senior Notes | Fair Value | Level 2 | 8.5% Senior Notes Due 2019          
Fair Value Disclosures          
Debt   208,000 206,500    
Senior Notes | Fair Value | Level 2 | 6.00% Senior Convertible Notes Due 2020          
Fair Value Disclosures          
Debt   $ 88,880 $ 84,984