Goodwill and Intangible Assets - Schedule of Intangible Asset Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 829	$ 1,181	$ 2,809	$ 2,838
Cost of revenue
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	773	1,128	2,653	2,670
Sales and marketing
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 56	$ 53	$ 156	$ 168