Goodwill and Other Intangibles - Change in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Goodwill [Line Items]
Goodwill, net of accumulated amortization					$ 32,730
Less: accumulated impairment of goodwill					(137)
Goodwill, beginning balance			$ 32,593
Changes due to foreign currency exchange rate fluctuations			76
Less: impairment of goodwill	$ (31,558)	$ 0	(31,558)	$ (137)
Goodwill, ending balance	1,111		1,111
New York Sports Clubs [Member]
Goodwill [Line Items]
Goodwill, net of accumulated amortization					31,549
Less: accumulated impairment of goodwill					0
Goodwill, beginning balance			31,549
Changes due to foreign currency exchange rate fluctuations			0
Less: impairment of goodwill			(31,549)
Goodwill, ending balance	0		0
Boston Sports Clubs [Member]
Goodwill [Line Items]
Goodwill, net of accumulated amortization					9
Less: accumulated impairment of goodwill					0
Goodwill, beginning balance			9
Changes due to foreign currency exchange rate fluctuations			0
Less: impairment of goodwill			(9)
Goodwill, ending balance	0		0
Switzerland Clubs [Member]
Goodwill [Line Items]
Goodwill, net of accumulated amortization					1,035
Less: accumulated impairment of goodwill					0
Goodwill, beginning balance			1,035
Changes due to foreign currency exchange rate fluctuations			76
Less: impairment of goodwill			0
Goodwill, ending balance	1,111		1,111
Outlier Clubs [Member]
Goodwill [Line Items]
Goodwill, net of accumulated amortization					137
Less: accumulated impairment of goodwill					$ (137)
Goodwill, beginning balance			0
Changes due to foreign currency exchange rate fluctuations			0
Less: impairment of goodwill			0
Goodwill, ending balance	$ 0		$ 0