Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss	$ (6,925)	$ (12,764)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	11,185	11,674
Impairment of fixed assets	0	1,137
Amortization of debt discount	301	320
Amortization of debt issuance costs	182	196
Amortization of building financing costs	0	32
Non-cash rental income, net of non-cash rental expense	(978)	(621)
Share-based compensation expense	648	837
Net change in deferred taxes	0	69
Net change in certain operating assets and liabilities	10,866	25,469
Decrease in deferred membership costs	544	476
Landlord contributions to tenant improvements	150	148
Increase (decrease) in insurance reserves	215	(1,848)
Other	(96)	352
Total adjustments	23,017	38,241
Net cash provided by operating activities	16,092	25,477
Cash flows from investing activities:
Capital expenditures	(3,813)	(6,383)
Change in restricted cash	0	(1,100)
Net cash used in investing activities	(3,813)	(7,483)
Cash flows from financing activities:
Proceeds from building financing arrangement	0	500
Principal payments on 2013 Term Loan Facility	(703)	(778)
Debt issuance costs	0	(350)
Cash dividends paid	(11)	(76)
Proceeds from stock option exercises	36	16
Net cash used in financing activities	(678)	(688)
Effect of exchange rate changes on cash	(61)	64
Net increase in cash and cash equivalents	11,540	17,370
Cash and cash equivalents beginning of period	76,217	93,452
Cash and cash equivalents end of period	87,757	110,822
Summary of the change in certain operating assets and liabilities:
Decrease (increase) in accounts receivable	497	(550)
(Increase) decrease in inventory	(32)	266
Decrease in prepaid expenses and other current assets	667	1,337
Increase in accounts payable, accrued expenses and accrued interest	2,636	10,738
Change in prepaid corporate income taxes and corporate income taxes payable	2,843	110
Increase in deferred revenue	4,255	13,568
Net change in certain working capital components	10,866	25,469
Supplemental disclosures of cash flow information:
Cash payments for interest, net of capitalized interest	3,623	4,276
Cash payments for income taxes	$ 24	$ 46