Defined Contribution Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Vesting requirements	4 years
Employer matching contribution, percent of match	50.00%
Employees' contributions (percent)	6.00%
Defined contribution plan costs	$ 1.8	$ 0.4	$ 1.3