Cash and Cash Equivalents, Restricted cash, and Marketable Securities - Additional Information (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
---|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
Dec. 31, 2021 |
|
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Line items [Line Items] | |||||
Marketable securities | $ 0 | $ 0 | $ 51,500,000 | ||
Realized gains or losses on the sale of marketable securities | $ 0 | $ 0 | $ 0 | $ 0 | |
Amortized cost of marketable securities | $ 51,500,000 | ||||
Fixed income debt securities | |||||
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Line items [Line Items] | |||||
Marketable securities maturity date | 90 days | 90 days | |||
Marketable securities maturity year | 1 year |