Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 15,356	$ 7,152
Accumulated amortization	(6,722)	(3,212)
Net carrying amount	8,634	3,940
Developed Technology
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	4,065	1,490
Accumulated amortization	(2,017)	(878)
Net carrying amount	$ 2,048	$ 612
Developed Technology | Weighted Average
Finite Lived Intangible Assets [Line Items]
Weighted average life (years)	3 years 14 days	3 years 7 months 6 days
Tradenames
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 2,495	$ 883
Accumulated amortization	(701)	(254)
Net carrying amount	$ 1,794	$ 629
Tradenames | Weighted Average
Finite Lived Intangible Assets [Line Items]
Weighted average life (years)	5 years 2 months 4 days	6 years 29 days
Non-compete
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 240
Accumulated amortization	(110)
Net carrying amount	$ 130
Non-compete | Weighted Average
Finite Lived Intangible Assets [Line Items]
Weighted average life (years)	2 years
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 8,556	$ 4,779
Accumulated amortization	(3,894)	(2,080)
Net carrying amount	$ 4,662	$ 2,699
Customer Relationships | Weighted Average
Finite Lived Intangible Assets [Line Items]
Weighted average life (years)	5 years	5 years