Summary of Significant Accounting Policies - Schedule of Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues From External Customers And Long Lived Assets [Line Items]
Total revenue	$ 39,735	$ 28,264	$ 109,225	$ 81,083
Americas – U.S.
Revenues From External Customers And Long Lived Assets [Line Items]
Total revenue	31,483	22,842	87,099	66,022
Americas – other
Revenues From External Customers And Long Lived Assets [Line Items]
Total revenue	1,422	949	3,827	2,722
EMEA
Revenues From External Customers And Long Lived Assets [Line Items]
Total revenue	3,180	1,899	8,493	5,260
APAC
Revenues From External Customers And Long Lived Assets [Line Items]
Total revenue	$ 3,650	$ 2,574	$ 9,806	$ 7,079