Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ 13,808	$ (43,832)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	22,082	23,852
Impairment of fixed assets	0	2,151
Impairment of goodwill	0	31,558
Gain on extinguishment of debt	(38,497)	0
Amortization of debt discount	549	645
Amortization of debt issuance costs	342	393
Amortization of building financing costs	0	63
Non-cash rental income, net of non-cash rental expense	(2,336)	(1,659)
Share-based compensation expense	1,115	973
Net change in deferred taxes	0	(11,513)
Net change in certain operating assets and liabilities	22,600	20,337
Decrease in deferred membership costs	1,179	589
Landlord contributions to tenant improvements	2,080	296
Increase in insurance reserves	779	115
Other	(138)	340
Total adjustments	9,755	68,140
Net cash provided by operating activities	23,563	24,308
Cash flows from investing activities:
Capital expenditures	(9,952)	(16,793)
Change in restricted cash	0	(1,100)
Net cash used in investing activities	(9,952)	(17,893)
Cash flows from financing activities:
Proceeds from building financing arrangement	0	500
Principal payments on 2013 Term Loan Facility	(1,224)	(1,557)
Repurchase of 2013 Term Loan Facility	(29,765)	0
Debt issuance costs	0	(350)
Cash dividends paid	(17)	(82)
Redemption paid pursuant to the Rights Plan	0	(246)
Proceeds from stock option exercises	318	40
Net cash used in financing activities	(30,688)	(1,695)
Effect of exchange rate changes on cash	(211)	187
Net (decrease) increase in cash and cash equivalents	(17,288)	4,907
Cash and cash equivalents beginning of period	76,217	93,452
Cash and cash equivalents end of period	58,929	98,359
Summary of the change in certain operating assets and liabilities:
Decrease in accounts receivable	657	125
Decrease in inventory	93	254
Decrease in prepaid expenses and other current assets	4,836	2,662
(Decrease) increase in accounts payable, accrued expenses and accrued interest	(332)	9,726
Change in prepaid corporate income taxes and corporate income taxes payable	15,715	(3,341)
Increase in deferred revenue	1,631	10,911
Net change in certain working capital components	22,600	20,337
Supplemental disclosures of cash flow information:
Cash payments for interest, net of capitalized interest	6,693	8,565
Cash payments for income taxes	$ 52	$ 64