Goodwill and Intangible Assets - Cost and Amortization of Intangible Assets (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 6,110
Less: Accumulated amortization	1,415
Total intangible assets, net	$ 4,695
Developed technology & trademarks
Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	4 years
Total intangible assets	$ 6,110