Fair Value Measurements - Summary of Company's Financial Assets Measurement at Fair Value on Recurring Basis (Detail) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Fair Value Inputs Level 2 [Member] | Short-Term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	$ 25,000,000.0	$ 0
Fair Value Measurements Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	123,163,000	150,564,000
Total	151,814,000	154,215,000
Fair Value Measurements Recurring [Member] | Short-Term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	25,000,000
Fair Value Measurements Recurring [Member] | Restricted Cash [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted cash	3,651,000	3,651,000
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	123,163,000	150,564,000
Total	126,814,000	154,215,000
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 1 [Member] | Restricted Cash [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted cash	3,651,000	$ 3,651,000
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	25,000,000
Fair Value Measurements Recurring [Member] | Fair Value Inputs Level 2 [Member] | Short-Term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	$ 25,000,000