Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands	Jul. 30, 2021	Mar. 22, 2021
The WW Group, Inc.
Business Acquisition [Line Items]
Business acquisition, aggregate purchase price		$ 17,500
Business acquisition, cash payment		8,255
Business acquisition, assumed net liabilities		495
Business acquisition, purchase price allocation, inventories		162
Business acquisition, purchase price allocation, property and equipment		41
Business acquisition, purchase price allocation, other assets		4
The WW Group, Inc. | Franchise Rights
Business Acquisition [Line Items]
Business acquisition, purchase price allocation, indefinite lived intangible assets		16,885
The WW Group, Inc. | Customer Relationship
Business Acquisition [Line Items]
Business acquisition, purchase price allocation, finite lived intangible assets		408
The WW Group, Inc. | Subsequent Event
Business Acquisition [Line Items]
Business acquisition, cash payable	$ 8,750
Business acquisition, cash in reserves	$ 2,300
The WW Group Co.
Business Acquisition [Line Items]
Business acquisition, aggregate purchase price		3,114
Business acquisition, cash payment		2,605
Business acquisition, cash in reserves		599
Business acquisition, purchase price allocation, inventories		6
Business acquisition, purchase price allocation, property and equipment		25
Business acquisition, purchase price allocation, other assets		1
Business acquisition, assumed net assets		90
The WW Group Co. | Franchise Rights
Business Acquisition [Line Items]
Business acquisition, purchase price allocation, indefinite lived intangible assets		3,040
The WW Group Co. | Customer Relationship
Business Acquisition [Line Items]
Business acquisition, purchase price allocation, finite lived intangible assets		$ 42