Fair Value Measurements and Marketable Securities - Summary of Financial Assets and Liabilities Measured at Fair Value Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Cash equivalents:
Total cash equivalents	$ 600	$ 600
Fair Value, Measurements, Recurring [Member]
Cash equivalents:
Total cash equivalents	55,520	39,672
Fair Value, Measurements, Recurring [Member] \| Level 1 [Member]
Cash equivalents:
Total cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] \| Level 2 [Member]
Cash equivalents:
Total cash equivalents	55,520	39,672
Fair Value, Measurements, Recurring [Member] \| Level 3 [Member]
Cash equivalents:
Total cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] \| Money Market Funds [Member]
Cash equivalents:
Total cash equivalents	55,520	39,672
Fair Value, Measurements, Recurring [Member] \| Money Market Funds [Member] \| Level 1 [Member]
Cash equivalents:
Total cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] \| Money Market Funds [Member] \| Level 2 [Member]
Cash equivalents:
Total cash equivalents	55,520	39,672
Fair Value, Measurements, Recurring [Member] \| Money Market Funds [Member] \| Level 3 [Member]
Cash equivalents:
Total cash equivalents	$ 0	$ 0