Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - Fair Value, Measurements, Recurring $ in Thousands	Dec. 31, 2023 USD ($)
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Money market instruments	$ 19,413
Corporate bonds	0
Treasury notes	0
Asset-backed securities	0
Sovereign bonds	0
Economic hedge forward contracts	0
Liabilities:
Economic hedge forward contracts	0
Significant Other Observable Inputs (Level 2)
Assets:
Money market instruments	0
Corporate bonds	308,816
Treasury notes	43,523
Asset-backed securities	19,314
Sovereign bonds	1,969
Economic hedge forward contracts	151
Liabilities:
Economic hedge forward contracts	106
Unobservable Inputs (Level 3)
Assets:
Money market instruments	0
Corporate bonds	0
Treasury notes	0
Asset-backed securities	0
Sovereign bonds	0
Economic hedge forward contracts	0
Liabilities:
Economic hedge forward contracts	$ 0