Earnings per Share - Additional Information (Detail) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($) $ / shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Stock price \| $ / shares	$ 48.88
Senior Unsecured Convertible Bonds [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Debt Instrument equity spread conversion price \| $	$ 153

Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21538-112644

Name:	us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration