Summary of Significant Accounting Policies - Additional Disclosure (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013 Integer	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of Significant Accounting Policies [Abstract]
Advertising expense		$ 5,943	$ 6,158	$ 5,999
Captive insurance required cash balance		250
Cash related to captive insurance that was included in cash and cash equivalents.	274	274	274
Cash and cash equivalents	37,758	73,598	37,758	47,880	38,803
Cash and Cash Equivalents head at one financial institution		54,184
Letter of credits related to insurance claims		615
Amortization of Financing Costs		1,153	1,135	1,127
Amortization of deferred construction allowances		3,310	2,955	2,791
Intangible assets, amortization method		Intangible assets are stated at cost and amortized by the straight-line method over their respective estimated lives. Intangible assets currently consist of membership lists, management contracts and trade names. Historically, intangible assets also included covenants-not-to-compete and a beneficial lease. Covenants-not-to-compete are amortized over the contractual life, generally one to five years, and beneficial leases are amortized over the remaining life of the underlying club lease. Membership lists are amortized over the estimated average membership life, currently at 23 months, management contracts are amortized over their current contractual lives of between nine and 11 years and trade names are amortized over their estimated useful lives of between 10 and 20 years.
Captial expenditure assumption used to determine the fair value of fixed assets for impairment evaluation		estimated at approximately 3% to 5% of total revenues
Foreign currency translation adjustments, net of tax		68	95	(129)
Fixed assets depreciation methods		Fixed assets are recorded at cost and depreciated on a straight-line basis over the estimated useful lives of the assets, which are 30 years for building and improvements, five years for club equipment, furniture, fixtures and computer equipment and three to five years for computer software.
Number of swiss locations		3
Cash Dividends Paid Per Share	$ 3.00
Foreign currency translation adjustment		$ (49)		$ 777