Acquisitions - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Feb. 28, 2019 USD ($) club	Mar. 31, 2020 USD ($) club	Mar. 31, 2019 USD ($)
Business Acquisition [Line Items]
Acquisition costs incurred		$ 102	$ 149
Number of clubs | club		185
Revenues		$ 98,079	116,598
Net loss		(136,763)	(2,199)
Around the Clock Fitness
Business Acquisition [Line Items]
Total purchase price, including future consideration	$ 22,222
Total allocation of purchase price	$ 21,667
Number of clubs | club	6
Revenues		3,052	1,086
Net loss		$ (16,596)	$ 25
Around the Clock Fitness | Around the Clock Fitness | Trade names
Business Acquisition [Line Items]
Estimated useful life	8 years
Around the Clock Fitness | Around the Clock Fitness | Non-compete agreements
Business Acquisition [Line Items]
Estimated useful life	5 years