Organization and Description of Business (Details) - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended
	Aug. 21, 2020	Sep. 30, 2021	Sep. 30, 2020
Accounting Policies [Abstract]
Common stock, shares issued (in shares)	1,257,142
Shares issued, price per share (in USD per share)	$ 175.00
Underwriters' option to purchase additional shares of common stock (in shares)	163,975
Proceeds from issuance of common stock in connection with employee equity incentive plans	$ 206,800	$ 5,657	$ 13,682