XML 47 R37.htm IDEA: XBRL DOCUMENT v3.23.2
Fair Value Measurements - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Purchase of short-term investments   $ 131,353,000 $ 0  
Allowance for credit losses $ 0 0   $ 0
Net unrealized holding gains 200,000 600,000    
Short-Term Investments [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Purchase of short-term investments 0 131,400,000    
Fair Value, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair value, assets transfers from Level 1 to Level 2 0 0    
Fair Value Assets Level 2 To Level 1 Transfers Amount 0 0    
Fair Value Liabilities Level 1 To Level 2 Transfers Amount 0 0    
Fair value, liabilities transfers from Level 2 to Level 1 $ 0 0    
Fair value, assets transfers into (out of) level 3   $ 0