Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Schedule of Contract Assets and Liabilities (Details)

v3.10.0.1
Basis of Presentation - Schedule of Contract Assets and Liabilities (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
Contract with Customer, Asset and Liability [Abstract]  
Deferred Revenue $ 18,901
Change In Contract With Customer, Liability [Roll Forward]  
Deferred Revenue, December 31, 2017 18,901
Additions 14,132
Revenue Recognized (12,167)
Deferred Revenue, September 30, 2018 20,866
Unbilled AR  
Contract with Customer, Asset and Liability [Abstract]  
Contract Assets 2,884
Change In Contract With Customer, Asset [Roll Forward]  
Unbilled AR, December 31, 2017 2,884
Additions 607
Transferred to Trade Receivable (341)
Unbilled AR, September 30, 2018 $ 3,150