Cash Equivalents, Restricted Cash and Investments - Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Cash and cash equivalents	$ 44,396	$ 49,978
Restricted cash included in Other assets	1,080	1,080
Total cash, cash equivalents and restricted cash	$ 45,476	$ 51,058	$ 78,285	$ 33,377