Fair Value of Financial Assets and Liabilities - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis and Indicate Level of Fair Value Hierarchy Utilized (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets:
Cash equivalents	$ 17,461	$ 75,224
Available-for-sale securities	108,572	88,643
Assets Fair Value Disclosure	126,033	163,867
Available-for-sale securities	108,572	88,643
Level 2 [Member]
Assets:
Cash equivalents	17,461	75,224
Available-for-sale securities	108,572	88,643
Assets Fair Value Disclosure	126,033	163,867
Available-for-sale securities	$ 108,572	$ 88,643