Organization and Summary of Significant Accounting Policies - New Accounting Pronouncements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred payments of social security tax repaid	$ 7.6
Deferred payments of social security tax	7.6
CARES Act [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Refundable payroll tax credit	2.6
Loss carryback related to the CARES Act [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other Tax Expense (Benefit)	(5.2)	$ (14.4)
CARES Act [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Proceeds from Income Tax Refunds	$ 6.0	$ 31.0