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Cash Equivalents and Short-Term Investments - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Collateral For Letters of Credit    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash $ 5.8 $ 5.8
Collateral for Lease Arrangement    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash $ 0.3 $ 0.3