Fair Value Measurements (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
	Oct. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current assets held-for-sale		$ 28,701			$ 28,701		$ 0
Current liabilities held-for-sale		9,710			9,710		0
Loss on disposal		(8,345)		$ 0	20,668	$ 72,008
Octane Fitness
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current assets held-for-sale		28,701			28,701
Current liabilities held-for-sale		9,710			9,710
Loss on disposal		(8,300)	$ (29,000)		(20,700)
Octane Fitness | Subsequent Event
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Proceeds from sale of disposal group	$ 25,000
Disposal costs	$ 3,000
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value		637			637		295
Total liabilities measured at fair value							9
Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value		0			0		0
Total liabilities measured at fair value							0
Fair Value, Measurements, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value		637			637		295
Total liabilities measured at fair value							9
Fair Value, Measurements, Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value		0			0		0
Total liabilities measured at fair value							0
Foreign currency forward contracts | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contracts		637			637		295
Foreign currency forward contracts							9
Foreign currency forward contracts | Fair Value, Measurements, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contracts		0			0		0
Foreign currency forward contracts							0
Foreign currency forward contracts | Fair Value, Measurements, Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contracts		637			637		295
Foreign currency forward contracts							9
Foreign currency forward contracts | Fair Value, Measurements, Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contracts		$ 0			$ 0		0
Foreign currency forward contracts							$ 0