Redeemable Convertible Preferred Stock and Common Stock - Voting Rights (Details)	Sep. 30, 2021 Vote
Redeemable Convertible Preferred Stock and Common Stock
Number of directors entitled to be elected	3
Series A Redeemable Convertible Preferred Stock
Redeemable Convertible Preferred Stock and Common Stock
Number of directors entitled to be elected	3
Series B Redeemable Convertible Preferred Stock
Redeemable Convertible Preferred Stock and Common Stock
Number of directors entitled to be elected	1