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Organization and Summary of Accounting Policies - CARES ACT (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Proceeds from grants received | $ 59.0 |  |
Grant funds | 46.2 | $ 0.0 | $ 0.0
Accelerated payments | 120.0 |  |
Accelerated payments, current portion | 95.0 |  |
Deferred accrued payroll and benefits | $ 16.9 |  |

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- Definition Coronavirus Aid, Relief, and Economic Security Act CARES Act, Government Grant Received, Accelerated Payments, Current Portion + 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 Deferred Employee-related Liabilities, Current + 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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Balance Type: | debit
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- References No definition available. + Details
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