Fair Value Measurement - Marketable Security Contractual Maturities (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Total marketable securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mature within one year	$ 1,895	$ 5,984
Mature after one year through two years	3,180	2,869
Mature over two years	34,138	37,760
Fair Value	39,213	46,613
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mature within one year	0	0
Mature after one year through two years	3,180	2,869
Mature over two years	701	902
Fair Value	3,881	3,771
Asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mature within one year	0	0
Mature after one year through two years	0	0
Mature over two years	31,781	34,999
Fair Value	31,781	34,999
U.S. government and agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mature within one year	1,895	5,984
Mature after one year through two years	0	0
Mature over two years	1,656	1,859
Fair Value	$ 3,551	$ 7,843