Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Taxes [Line Items]
Income tax expense	$ 2,600
Federal net operating loss carryforwards	235,900
Federal net operating loss carryforwards	94,700
State net operating loss carryforwards	90,900
US federal R&D tax credits	7,100
Foreign net operating loss carryforwards	4,600
FederalTax credit carryforward	6,000
StateTax credit carryforward	$ 2,100
Maximum increase in percentage ownership of stockholders or public groups	50.00%
Ownership change, increase in ownership percentage, term	3 years
Unrecognized tax benefits	$ 0	$ 0
Accrued interest or penalties related to uncertain tax positions	$ 0	$ 0
Domestic Country [Member]
Income Taxes [Line Items]
Tax credit carryforward expiration period	2033
State And Local Jurisdiction [Member]
Income Taxes [Line Items]
Tax credit carryforward expiration period	2028
State And Local Jurisdiction [Member] | Earliest Tax Year [Member]
Income Taxes [Line Items]
Net operating loss carryforwards expiration year	2033