Available-for-Sale Securities - Summary of Available-for-Sale Securities Held (Detail) $ in Thousands	Dec. 31, 2023 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 23,782
Gross unrealized gains	5
Gross unrealized losses	(1)
Fair Value	23,786
Commercial Paper
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	14,338
Gross unrealized gains	4
Gross unrealized losses	0
Fair Value	14,342
U.S. treasuries
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	9,444
Gross unrealized gains	1
Gross unrealized losses	(1)
Fair Value	$ 9,444