Cash, Cash Equivalents and Investments - Short-term Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 45,812	$ 20,512
Gross Unrealized Losses	(222)	(302)
Estimated Fair Value	45,590	20,210
Pooled Bond Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	45,812	20,512
Gross Unrealized Losses	(222)	(302)
Estimated Fair Value	$ 45,590	$ 20,210