Summary of Significant Accounting Policies - Summary of Current and Non-Current Contract Liabilities (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2022
Contract Liabilities [Roll Forward]
Beginning balance, current	$ 100	$ 13,586
Beginning balance, non-current	2,984	0
Amounts received, excluding amounts recognized as revenue, current	663	(1,618)
Amounts received, excluding amounts recognized as revenue, non-current	242	2,792
Revenues recognized included in opening contract balance, current	(662)	(13,586)
Revenues recognized included in opening contract balance, non-current	(1,382)	0
Reclassification between current and non-current, current	1,547
Reclassification between current and non-current, non-current	(1,547)
Ending balance, current	1,648	(1,618)
Ending balance, non-current	$ 297	$ 2,792
Deferred revenue, opening balance			$ 11,601