Annual report pursuant to Section 13 and 15(d)

Revenue - Capitalized Contract Costs (Details)

v3.19.1
Revenue - Capitalized Contract Costs (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Capitalized Contract Cost [Roll Forward]  
Balance as of December 31, 2017 $ 0
Increases as a result of cumulative catch-up adjustment 930
Capitalization during period 3,367
Amortization (196)
Balance as of December 31, 2018 4,101
Costs to Obtain  
Capitalized Contract Cost [Roll Forward]  
Balance as of December 31, 2017 0
Increases as a result of cumulative catch-up adjustment 120
Capitalization during period 0
Amortization (29)
Balance as of December 31, 2018 91
Costs to Fulfill  
Capitalized Contract Cost [Roll Forward]  
Balance as of December 31, 2017 0
Increases as a result of cumulative catch-up adjustment 810
Capitalization during period 3,367
Amortization (167)
Balance as of December 31, 2018 $ 4,010