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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