Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill - Schedule Of Changes in Goodwill (Details)

v3.10.0.1
Intangible Assets and Goodwill - Schedule Of Changes in Goodwill (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Goodwill [Roll Forward]    
Goodwill, Period Start $ 99,811 $ 88,727
Goodwill, Period End 101,511 99,811
Stingray Acquisitions    
Goodwill [Roll Forward]    
Additions   10,193
Higher Power    
Goodwill [Roll Forward]    
Additions   643
5 Star    
Goodwill [Roll Forward]    
Additions   $ 248
RTS Energy Services LLC    
Goodwill [Roll Forward]    
Additions 133  
WTL Oil LLC    
Goodwill [Roll Forward]    
Additions $ 1,567