Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	$ 23,342	$ 12,253
Accumulated Amortization	(6,240)	(4,833)
Net Carrying Value	$ 17,102	$ 7,420
Acquired technology
Finite-Lived Intangible Assets, Net [Abstract]
Estimated Useful Life	8 years
Gross Carrying Amount	$ 4,910	$ 0
Accumulated Amortization	(112)	0
Net Carrying Value	$ 4,798	$ 0
Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Estimated Useful Life	3 years
Gross Carrying Amount	$ 40	$ 0
Accumulated Amortization	(2)	0
Net Carrying Value	$ 38	$ 0
Software development costs
Finite-Lived Intangible Assets, Net [Abstract]
Estimated Useful Life	2 years	2 years
Gross Carrying Amount	$ 18,392	$ 12,253
Accumulated Amortization	(6,126)	(4,833)
Net Carrying Value	$ 12,266	$ 7,420