Acquisitions - Schedule of Net Assets Acquired (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Feb. 28, 2019
Business Acquisition [Line Items]
Goodwill	$ 16,569	$ 32,988
Around the Clock Fitness
Business Acquisition [Line Items]
Fixed assets			$ 8,803
Goodwill			9,976
Operating lease right-of-use assets			17,812
Operating lease liabilities			(18,212)
Deferred revenue			(967)
Total allocation of purchase price			21,667
Around the Clock Fitness | Trade names
Business Acquisition [Line Items]
Definite lived intangible assets			2,221
Around the Clock Fitness | Membership Lists
Business Acquisition [Line Items]
Definite lived intangible assets			610
Around the Clock Fitness | Non-compete agreements
Business Acquisition [Line Items]
Definite lived intangible assets			$ 1,424