Prepaid Expenses - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Prepaid expenses
Prepaid expenses	$ 17,195	$ 16,267
Prepaid R&D clinical costs	14,407	15,188
Prepaid insurance	1,887	543
Other prepaid costs	$ 901	$ 536

Amount of asset related to consideration paid in advance for research and development expenses that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- References

No definition available.

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- Definition

Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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- Definition

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
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-URI https://asc.fasb.org/extlink&oid=6387103&loc=d3e6435-108320

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+ Details

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Period Type:	instant