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Schedule of Major Filing Jurisdictions and Open Period Subject to Examinations (Detail)	12 Months Ended
	Dec. 31, 2022
Federal | Tax Year 2019 [Member]
Income Tax Examination [Line Items]
Open Tax Year	2019
New York City | Tax Year 2009 [Member]
Income Tax Examination [Line Items]
Open Tax Year	2009
New York State | Tax Year 2016 [Member]
Income Tax Examination [Line Items]
Open Tax Year	2016
United Kingdom | Tax Year 2011 [Member]
Income Tax Examination [Line Items]
Open Tax Year	2011

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+ References

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- Definition

Tax year that remains open to examination under enacted tax laws, in YYYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

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