Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 265,787	$ 147,801
Accumulated amortization	(61,175)	(34,039)
Net carrying amount	204,612	113,762
Developed Technology
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	42,441	31,851
Accumulated amortization	(12,878)	(5,322)
Net carrying amount	$ 29,563	$ 26,529
Developed Technology | Weighted-Average
Finite Lived Intangible Assets [Line Items]
Weighted average life (years)	3 years 4 months 24 days	3 years 6 months 14 days
Tradenames
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 25,650	$ 15,360
Accumulated amortization	(11,036)	(6,638)
Net carrying amount	$ 14,614	$ 8,722
Tradenames | Weighted-Average
Finite Lived Intangible Assets [Line Items]
Weighted average life (years)	4 years 14 days	3 years 6 months 7 days
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 197,696	$ 100,590
Accumulated amortization	(37,261)	(22,079)
Net carrying amount	$ 160,435	$ 78,511
Customer Relationships | Weighted-Average
Finite Lived Intangible Assets [Line Items]
Weighted average life (years)	8 years 2 months 12 days	7 years 4 months 28 days