Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended	6 Months Ended
	Aug. 31, 2020	Jun. 30, 2020	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Loss Contingencies [Line Items]
Operating lease right-of-use asset			$ 71		$ 274
Cash paid for amounts included in the measurement of operating lease liabilities			$ 220	$ 213
Immaterial Error Correction			Company recorded a $1.8 million expense for the remaining prepaid retrospective insurance policy to research and development expense in the condensed consolidated statement of operations and comprehensive loss.
ResearchAndDevelopmentExpense			$ 1,800
Noncancelable operating lease agreement [Member] | Amended Operating Lease [Member]
Loss Contingencies [Line Items]
Description of lease term		August 2023
Option to extend the lease		option for an additional year
Percentage of increase in monthly base rent		4.00%
Operating lease right-of-use asset		$ 200
Additional noncancelable operating lease agreement [Member] | New Operating Lease [Member]
Loss Contingencies [Line Items]
Description of lease term	August 2020 through August 2023
Option to extend the lease	option for an additional year
Operating lease right-of-use asset	$ 200
Lease extended termination description	option to terminate the lease prior to its expiration with at least one month’s prior written notice and a one-time payment equal to four months’ rent.
Minimum [Member] | Noncancelable operating lease agreement [Member] | Amended Operating Lease [Member]
Loss Contingencies [Line Items]
Operating leases rent expense		20,019
Minimum [Member] | Additional noncancelable operating lease agreement [Member] | New Operating Lease [Member]
Loss Contingencies [Line Items]
Percentage of increase in monthly base rent	4.00%
Cash paid for amounts included in the measurement of operating lease liabilities	$ 12,462
Maximum [Member] | Noncancelable operating lease agreement [Member] | Amended Operating Lease [Member]
Loss Contingencies [Line Items]
Operating leases rent expense		$ 22,195
Maximum [Member] | Additional noncancelable operating lease agreement [Member] | New Operating Lease [Member]
Loss Contingencies [Line Items]
Percentage of increase in monthly base rent	9.00%
Cash paid for amounts included in the measurement of operating lease liabilities	$ 14,524