Accounting policies.

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- Definition

Percentage of voting rights eligible for consolidation.

+ References

No definition available.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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- Definition

Amount of increase (decrease) in allowance for credit loss on financing receivable.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Line Items]
Impairment losses for long lived assets	$ 0.0
Impairments goodwill	0.0
Advertising costs	$ 118.1	$ 101.1	$ 103.9
Voting rights, percentage	50.00%
Concierge Receivables [Member] \| Accounting Standards Update 2016-13 [Member]
Accounting Policies [Line Items]
Increase in allowance for credit losses related to receivables	$ 5.6
Restricted Stock Units [Member]
Accounting Policies [Line Items]
Share based compensation by share based payment arrangement service based vesting period	4 years
Restricted Stock Units [Member] \| Maximum [Member]
Accounting Policies [Line Items]
Share based compensation by share based payment arrangement service based vesting period	5 years
Restricted Stock Units [Member] \| Minimum [Member]
Accounting Policies [Line Items]
Share based compensation by share based payment arrangement service based vesting period	4 years