Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions |
Sep. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying value of cash held in money market funds | $ 47.1 | $ 56.5 |
| Cash and Cash Equivalents [Member] | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Commercial Paper, at Carrying Value | 36.0 | 0.0 |
| Significant Unobservable Inputs (Level 3) [Member] | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Liabilities measured using quoted prices | 0.0 | 0.0 |
| Assets measured using quoted prices | $ 0.0 | $ 0.0 |