Intangible Assets - Schedule of Net Book Value of Intangible Assets (Detail) - USD ($)	12 Months Ended
Dec. 31, 2022	Nov. 01, 2022	Dec. 31, 2021
Intangible assets, net	$ 0		$ 22,749,000
DEXYCU [Member]
Intangible assets, net	$ 0	$ 20,700,000	$ 22,749,000
Finite lived intangible assets remaining amortization period	0 years

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Name:	us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant