Organization and Summary of Significant Accounting Policies - Recent Developments Regarding COVID-19 (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Proceeds received from grant		$ 1.1	$ 24.0
Payments of deferred payroll taxes	$ 5.9
Deferred payroll taxes under CARES Act		$ 5.9