XML 36 R27.htm IDEA: XBRL DOCUMENT v3.23.3
Fair Value of Financial Instruments - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]      
Realized gain or loss on available-for-sale securities $ 34,000 $ 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 17,400,000   $ 36,500,000
Significant Other Observable Inputs (Level 2)      
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]      
Accrued interest receivable 900,000   800,000
Significant Other Observable Inputs (Level 2) | Short-term investments      
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]      
Marketable securities $ 237,400,000   $ 314,600,000