Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Schedule of Stock by Class

As of December 31, 2019 and 2020, the Company had outstanding Series A, A-1, B, C and C-1 Preferred Stock (individually referred to as “Series A, A-1, B, C or C-1” or collectively “Preferred Stock”) as follows (in thousands, except share and per share amounts):

	As of December 31, 2019 and 2020
	Issue Price per Share		Shares Authorized	Issued and Outstanding	Net Carrying Value		Liquidation Preference
Series A	$	0.26	30,525,040	30,525,040	$	8,000	$	8,000
Series A-1	$	0.82	6,764,960	6,764,960	5,541		5,541
Series B	$	1.67	17,955,840	17,955,840	30,000		30,000
Series C	$	4.85	6,511,400	6,511,400	31,377		31,561
Series C-1	$	5.90	52,407,360	52,407,360	309,015		309,400
Total			114,164,600	114,164,600	$	383,933	$	384,502