Summary of Significant Accounting Policies - Strategic Investments (Details) $ in Millions	1 Months Ended
	Jul. 31, 2019 USD ($)
Accel | Minimum
Strategic Investments
Percentage of capital stock held	5.00%
FalconFund
Strategic Investments
Sharing percentage of distributions by the fund	50.00%
Duration of fund	10 years
Extendable term of fund	3 years
FalconFund | Maximum
Strategic Investments
Amount agreed to commit	$ 10.0
FalconFund | Accel
Strategic Investments
Sharing percentage of distributions by the fund	50.00%
FalconFund | Accel | Maximum
Strategic Investments
Amount agreed to commit	$ 10.0