XML 52 R42.htm IDEA: XBRL DOCUMENT v3.22.2.2
Cash, Cash Equivalents and Marketable Securities - Additional Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Cash and Cash Equivalents [Line Items]    
Weighted average maturity period of available-for-sale securities 3 months  
Available for sale debt securities current, Fair value $ 1,033,860 $ 0