Goodwill and Intangible Assets, Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 6,181		$ 6,181		$ 6,181
Amortization of acquired intangible assets	1,100	$ 1,100	3,300	$ 3,100
Developed technology
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	1,000	1,000	3,000	2,800
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	$ 100	$ 100	$ 300	$ 300