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Fair Value of Financial Instruments - Additional Information (Details) - USD ($)
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Realized gain or loss on available-for-sale securities $ 0  
Quoted Prices in Active Markets for Identical Assets (Level 1) | Money Market Funds    
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Investments 125,700,000 $ 57,000,000.0
Significant Other Observable Inputs (Level 2)    
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Marketable securities 286,300,000 177,300,000
Significant Other Observable Inputs (Level 2) | Short-term investments    
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Marketable securities 281,300,000 177,300,000
Accrued interest receivable 1,000,000.0 $ 1,000,000.0
Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents    
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Marketable securities $ 5,000,000.0