Fair Value of Financial Assets and Liabilities - Summary of Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Investments:
Investments	$ 18,311	$ 111,199
Fair Value, Measurements, Recurring [Member]
Investments:
Investments	82,831	185,520
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
Cash Equivalents:
Cash Equivalents	47,863	70,322
Commercial Paper [Member]
Investments:
Investments	2,465	6,250
Commercial Paper [Member] | Fair Value, Measurements, Recurring [Member]
Cash Equivalents:
Cash Equivalents	11,691	3,999
Investments:
Investments	2,465	6,250
Corporate Bonds [Member]
Investments:
Investments	2,957	40,095
Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Investments:
Investments	2,957	40,095
Government Securities [Member]
Investments:
Investments	12,889	64,854
Government Securities [Member] | Fair Value, Measurements, Recurring [Member]
Cash Equivalents:
Cash Equivalents	4,966
Investments:
Investments	12,889	64,854
Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Investments:
Investments	47,863	70,322
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
Cash Equivalents:
Cash Equivalents	47,863	70,322
Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Investments:
Investments	34,968	115,198
Level 2 [Member] | Commercial Paper [Member] | Fair Value, Measurements, Recurring [Member]
Cash Equivalents:
Cash Equivalents	11,691	3,999
Investments:
Investments	2,465	6,250
Level 2 [Member] | Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member]
Investments:
Investments	2,957	40,095
Level 2 [Member] | Government Securities [Member] | Fair Value, Measurements, Recurring [Member]
Cash Equivalents:
Cash Equivalents	4,966
Investments:
Investments	$ 12,889	$ 64,854