Equity-based Compensation Plans - Summary of Equity-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Equity-based compensation expense:
Equity based compensation expense	$ 1,204	$ 60	$ 2,792	$ 60
Costs applicable to revenue
Equity-based compensation expense:
Equity based compensation expense	81		254
Selling, general, and administrative
Equity-based compensation expense:
Equity based compensation expense	$ 1,123	$ 60	$ 2,538	$ 60