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Organization and Summary of Accounting Policies - CARES ACT (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended | 18 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |  |
Proceeds from grants received | $ 0.0 |  | $ 8.0 |  |  | $ 67.0
Grant funds | 0.0 | $ (9.9) | 20.0 | $ 33.2 |  |
Accelerated payments |  |  |  |  | $ 120.0 |
Repayments of grants received | 18.0 |  | 38.0 |  |  |
Deferred accelerated payments | 80.0 |  | 80.0 |  | 95.0 | 80.0
Deferred accrued payroll and benefits | $ 16.9 |  | $ 16.9 |  | $ 16.9 | $ 16.9

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- Definition Coronavirus Aid, Relief, and Economic Security Act CARES Act, Government Grant Received, Repayments + References No definition available. + Details
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- Definition Coronavirus Aid, Relief, and Economic Security Act CARES Act, Government Grants, Deferred Accelerated Payments + References No definition available. + Details
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- Definition Coronavirus Aid, Relief, and Economic Security Act CARES Act, Government Grant Received, Accelerated Payments + References No definition available. + Details
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- Definition Grant Revenue + References No definition available. + Details
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- Definition Proceeds From Government Assistance + References No definition available. + Details
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