Town Sports International (CLUBQ) 10-Q 25 Oct 18 2018 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Oct. 22, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	TOWN SPORTS INTERNATIONAL HOLDINGS INC
Entity Central Index Key	1,281,774
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Common Stock, Shares Outstanding		27,182,288

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 50,327	$ 30,321
Accounts receivable (less allowance for doubtful accounts of $4,087 and $4,237 as of September 30, 2018 and December 31, 2017, respectively)	3,020	2,216
Prepaid corporate income taxes	9,427	13,563
Prepaid rent expense	63	9,153
Prepaid expenses and other current assets	10,441	12,894
Total current assets	73,278	68,147
Fixed assets, net	156,985	151,498
Goodwill	14,769	6,217
Intangible assets, net	7,805	5,134
Deferred membership costs	2,313	959
Other assets	6,788	4,716
Total assets	261,938	236,671
Current liabilities:
Current portion of long-term debt	12,705	2,242
Current portion of mortgage and term loan	314	0
Accounts payable	3,453	2,247
Accrued expenses	34,143	24,669
Accrued interest	157	118
Deferred revenue	39,335	33,473
Total current liabilities	90,107	62,749
Long-term debt	185,087	193,947
Long-term mortgage and term loan	5,160	0
Deferred lease liabilities	45,027	47,356
Deferred tax liabilities	276	93
Deferred revenue	318	351
Other liabilities	11,353	10,132
Total liabilities	337,328	314,628
Commitments and Contingencies (Note 15)
Stockholders’ deficit:
Preferred stock, $0.001 par value; no shares issued and outstanding at both September 30, 2018 and December 31, 2017
Common stock, $0.001 par value; issued and outstanding 27,182,288 and 27,149,135 shares at September 30, 2018 and December 31, 2017, respectively	25	25
Additional paid-in capital	(2,235)	(4,290)
Accumulated other comprehensive income	1,862	1,201
Accumulated deficit	(75,505)	(74,893)
Total Town Sports International Holdings, Inc. and Subsidiaries stockholders’ deficit	(75,853)	(77,957)
Non-controlling interests	463	0
Total stockholders’ deficit	(75,390)	(77,957)
Total liabilities and stockholders’ deficit	$ 261,938	$ 236,671

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 4,087	$ 4,237
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares issued (in shares)	27,182,288	27,149,135
Common stock, shares outstanding (in shares)	27,182,288	27,149,135

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Revenues	$ 110,173	$ 98,641	$ 329,613	$ 297,714
Operating Expenses:
Payroll and related	42,108	37,072	123,978	111,515
Club operating	50,107	46,087	148,602	135,293
General and administrative	6,700	5,380	18,992	17,079
Depreciation and amortization	9,188	9,874	27,956	30,199
Impairment of fixed assets	2,082	6,497	2,082	6,497
Total operating expenses	110,185	104,910	321,610	300,583
Operating (loss) income	(12)	(6,269)	8,003	(2,869)
Interest expense	3,493	3,192	9,999	9,455
Interest income	(46)	(36)	(127)	(36)
Equity in earnings of investee	(79)	(77)	(262)	(217)
Loss before provision for corporate income taxes	(3,380)	(9,348)	(1,607)	(12,071)
Provision for corporate income taxes	562	3,928	605	4,550
Net loss	(3,942)	(13,276)	(2,212)	(16,621)
Net income attributable to non-controlling interests	4	0	4	0
Net loss attributable to Town Sports International Holdings, Inc. and subsidiaries	$ (3,946)	$ (13,276)	$ (2,216)	$ (16,621)
Loss per share:
Basic (in dollars per share)	$ (0.15)	$ (0.53)	$ (0.09)	$ (0.66)
Diluted (in dollars per share)	$ (0.15)	$ (0.53)	$ (0.09)	$ (0.66)
Weighted average number of shares used in calculating loss per share:
Basic (in shares)	25,849,800	25,245,262	25,801,480	25,176,035
Diluted (in shares)	25,849,800	25,245,262	25,801,480	25,176,035
Club operations
Revenues:
Revenues	$ 108,709	$ 97,022	$ 325,431	$ 293,085
Fees and other
Revenues:
Revenues	$ 1,464	$ 1,619	$ 4,182	$ 4,629

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,942)	$ (13,276)	$ (2,212)	$ (16,621)
Other comprehensive income, net of tax:
Foreign currency translation adjustments, net of tax of $0, for each of the three and nine months ended September 30, 2018 and 2017	60	(77)	551	96
Interest rate swap, net of tax of $0, for each of the three and nine months ended September 30, 2018 and 2017	0	249	110	998
Total other comprehensive income, net of tax	60	172	661	1,094
Total comprehensive loss	(3,882)	(13,104)	(1,551)	(15,527)
Comprehensive income attributable to non-controlling interests	4	0	4	0
Total comprehensive (loss) income attributable to Town Sports International Holdings, Inc. and Subsidiaries	$ (3,886)	$ (13,104)	$ (1,555)	$ (15,527)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustment tax	$ 0	$ 0	$ 0	$ 0
Interest rate swap tax	$ 0	$ 0	$ 0	$ 0

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net loss	$ (2,212)	$ (16,621)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	27,956	30,199
Impairment of fixed assets	2,082	6,497
Amortization of debt discount	728	701
Amortization of debt issuance costs	449	452
Non-cash rental income, net of non-cash rental expense	(2,620)	(2,766)
Share-based compensation expense	2,040	1,466
Net change in deferred taxes	110	0
Net change in certain operating assets and liabilities	21,232	12,670
(Increase) decrease in deferred membership costs	(1,354)	97
Landlord contributions to tenant improvements	800	2,115
(Decrease) increase in insurance reserves	(165)	157
Other	(1,292)	12
Total adjustments	49,966	51,600
Net cash provided by operating activities	47,754	34,979
Cash flows from investing activities:
Capital expenditures	(8,430)	(8,827)
Acquisition of businesses	(19,010)	(9,450)
Acquisition of assets	(3,989)	0
Deposit paid in connection with acquisitions	0	(1,250)
Other	99	(293)
Net cash used in investing activities	(31,330)	(19,820)
Cash flows from financing activities:
Principal payments on 2013 Term Loan Facility	(1,562)	(1,561)
Principal payments on capital lease obligations	(400)	0
Proceeds from mortgage and term loan	5,530	0
Principal payments on mortgage and term loan	(56)	0
Cash dividends paid	(2)	(9)
Proceeds from stock option exercises	15	72
Net cash provided by (used in) financing activities	3,525	(1,498)
Effect of exchange rate changes on cash	57	37
Net increase in cash and cash equivalents	20,006	13,698
Cash and cash equivalents beginning of period	30,321	45,596
Cash and cash equivalents end of period	50,327	59,294
Summary of the change in certain operating assets and liabilities:
Increase in accounts receivable	(697)	(244)
Increase in inventory	0	108
Decrease (increase) in prepaid expenses and other current assets	8,427	(1,088)
Increase in accounts payable, accrued expenses and accrued interest	8,947	8,092
Change in prepaid corporate income taxes and corporate income taxes payable	4,197	4,669
Increase in deferred revenue	358	1,133
Net change in certain working capital components	21,232	12,670
Supplemental disclosures of cash flow information:
Cash payments for interest, net of capitalized interest	8,773	8,345
Cash payments for income taxes	$ 496	$ 1,480

Basis of Presentation

Basis of Presentation	9 Months Ended
	Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation Town Sports International Holdings, Inc. (the “Company” or “TSI Holdings”) is a diversified holding company owning subsidiaries engaged in a number of business and investment activities. References to “TSI LLC” refer to Town Sports International, LLC, and references to “TSI Group” refer to Town Sports Group, LLC, both of which are wholly-owned operating subsidiaries of the Company. As of September 30, 2018 , the Company owned and operated 181 fitness clubs (“clubs”) under the various brand names across eight regions. Brand Count Region New York Sports Clubs (1) 99 New York Metropolitan Lucille Roberts (1) 16 New York Metropolitan TMPL (1) 1 New York Metropolitan Boston Sports Clubs 29 Boston Metropolitan Washington Sports Clubs 10 Washington, D.C. Metropolitan Philadelphia Sports Clubs 5 Philadelphia Metropolitan Total Woman Gym and Spa 12 California Palm Beach Sports Clubs 4 Florida LIV Fitness 2 Puerto Rico Local brands 3 Switzerland 181 (1) The Manhattan region included 36 New York Sports Clubs, two Lucille Roberts clubs and one TMPL club. The Company’s operating segments are classified by geographical regions. These operating segments are the level at which the chief operating decision makers review discrete financial information and make decisions about segment profitability based on earnings before income tax depreciation and amortization. The Company has determined that these operating segments have similar economic characteristics and meet the criteria which permit them to be aggregated into one reportable segment. The condensed consolidated financial statements included herein have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”) and should be read in conjunction with the Company’s December 31, 2017 consolidated financial statements and notes thereto, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017 . The year-end condensed consolidated balance sheet data included within this Form 10-Q was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America (“US GAAP”). Certain information and footnote disclosures that are normally included in financial statements prepared in accordance with US GAAP have been condensed or omitted pursuant to SEC rules and regulations. The information reflects all normal and recurring adjustments which, in the opinion of management, are necessary for a fair statement of the financial position and results of operations for the interim periods set forth herein. The results for the three and nine months ended September 30, 2018 are not necessarily indicative of the results for the entire year ending December 31, 2018 . The Company continues to experience revenue pressure as the fitness industry continues to be highly competitive in the geographic regions in which the Company competes. The Company continues to strategize on improving its financial results and focuses on increasing membership in existing clubs to increase revenue. The Company may consider additional actions within its control, including certain acquisitions, licensing arrangements, the closure of unprofitable clubs upon lease expiration and the sale of certain assets. The Company’s ability to continue to meet its obligations is dependent on its ability to generate positive cash flow from a combination of initiatives, including those mentioned above. Failure to continue to successfully implement these initiatives could have a material adverse effect on the Company’s liquidity and its operations, and the Company would need to implement alternative plans that could include additional asset sales, additional reductions in operating costs, additional reductions in working capital, debt restructurings and the deferral of capital expenditures. There can be no assurance that such alternatives would be available to the Company or that the Company would be successful in their implementation. Certain reclassifications were made to the reported amounts in the consolidated balance sheet as of December 31, 2017 to conform to the presentation as of September 30, 2018.

Recent Accounting Pronouncement

Recent Accounting Pronouncements	9 Months Ended
	Sep. 30, 2018
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Recent Accounting Pronouncements	Recent Accounting Pronouncements In August 2018, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2018-15, “Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40), Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract”. This new guidance requires a customer in a cloud computing arrangement (i.e., hosting arrangement) that is a service contract to follow the internal-use software guidance in ASC 350-40 to determine which implementation costs to capitalize as assets or expense as incurred. Also, capitalized implementation costs related to a hosting arrangement that is a service contract will be amortized over the term of the hosting arrangement, beginning when the module or component of the hosting arrangement is ready for its intended use. This standard is effective for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. Early adoption of this standard is permitted. The Company is evaluating the impact of this standard on its financial statements. In August 2017, the FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. The updated standard expands the range of transactions that qualify for hedge accounting. It also amends the presentation and disclosure requirements and changes how companies assess effectiveness. It is intended to more closely align hedge accounting with companies’ risk management strategies, simplify the application of hedge accounting, and increase the transparency as to the scope and results of hedging programs. This standard is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. The adoption of this guidance is not expected to have a material impact on the Company’s financial statements. In August 2016, the FASB issued ASU No. 2016-15, “Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments (A Consensus of the FASB Emerging Issues Task Force).” This ASU provides specific guidance over eight identified cash flow issues. This standard is effective for interim and annual periods beginning after December 15, 2017, and early adoption is permitted. The Company adopted the updated guidance for the fiscal year beginning January 1, 2018 with no material impact on the Company’s financial statements. In February 2016, the FASB issued ASU No. 2016-02, “Leases (Topic 842)”, which requires a lessee to recognize assets and liabilities on the balance sheet for leases with lease terms greater than 12 months, using a modified retrospective transition method. In July 2018, the FASB issued ASU No. 2018-10, “Codification Improvements to Topic 842, Leases” which updates narrow aspects of the guidance issued in ASU No. 2016-02. In July 2018, the FASB issued ASU No. 2018-11, “Leases (Topic 842): Targeted Improvements.” In issuing ASU No. 2018-11, the FASB is permitting another transition method for ASU 2016-02, which allows the transition to the new lease standard by recognizing a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. The Company is currently evaluating which transition approach it will elect. This guidance is effective for the Company in the first quarter of 2019. The Company is currently in the process of evaluating its existing lease portfolio, including accumulating all of the necessary information required to properly account for the leases under the new standard. Additionally, the Company is implementing an enterprise-wide lease management system to assist in the accounting and is evaluating additional changes to our processes and internal controls to ensure they meet the standard reporting and disclosure requirements. The Company expects the guidance to result in a significant increase in long-term assets and liabilities on its consolidated balance sheets at adoption due to the recording of right-of-use assets and corresponding lease liabilities. In May 2014, the FASB issued ASU No. 2014-09, “Revenue from Contracts with Customers” (Topic 606). On January 1, 2018, the Company adopted FASB Accounting Standards Codification (“ASC”) Topic 606 and all the related amendments (the “new revenue standard”) using the modified retrospective method. The Company recognized the cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings. The comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods. Refer to Note 3 - Revenue for further detail.

Revenue

Revenue	9 Months Ended
	Sep. 30, 2018
Revenue Recognition and Deferred Revenue [Abstract]
Revenue	Revenue Adoption of ASU No. 2014-09, “Revenue from Contracts with Customers” (Topic 606) On January 1, 2018, the Company adopted ASU No. 2014-09 using the modified retrospective method applied to those contracts which were not completed as of January 1, 2018. Results for reporting period beginning after January 1, 2018 are presented under ASU No. 2014-09, while prior period amounts are not adjusted and continue to be reported in accordance with our historic accounting under “Revenue Recognition” (Topic 605). The Company recorded a net addition to opening retained earnings of $1,604 as of January 1, 2018 due to the cumulative impact of adopting ASC Topic 606, with the impact related to membership costs requiring deferral. ASC Topic 606 requires the Company to defer costs related to obtaining members and expense those costs over the estimated membership life. Under previous guidance, these membership costs were expensed at the time of the respective sale. In accordance with the new revenue standard requirements, the disclosure of the impact of adoption on our condensed consolidated balance sheet and statements of operations was as follows: As of September 30, 2018 Balances Without Effect of Change Balance Sheet As Reported Adoption of ASC 606 Increase/(Decrease) Asset Deferred membership costs $ 2,313 $ 659 $ 1,654 Equity Accumulated deficit $ (75,505 ) $ (77,159 ) $ 1,654 Three Months Ended September 30, 2018 Nine Months Ended September 30, 2018 Balances Without Effect of Change Balances Without Effect of Change As Reported Adoption of ASC 606 Increase/ As Reported Adoption of ASC 606 Increase/ Expenses Payroll and related 42,108 42,031 77 123,978 124,028 (50 ) Disaggregation of Revenue The following table presents our revenue by type: Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Membership dues $ 84,162 $ 76,454 $ 251,992 $ 228,362 Initiation and processing fees 337 371 1,006 1,953 Membership revenue 84,499 76,825 252,998 230,315 Personal training revenue 18,019 15,587 55,451 49,256 Other ancillary club revenue 6,191 4,610 16,982 13,514 Ancillary club revenue 24,210 20,197 72,433 62,770 Fees and other revenue 1,464 1,619 4,182 4,629 Total revenue $ 110,173 $ 98,641 $ 329,613 $ 297,714 Revenue Recognition Membership dues: The Company generally receives one-time non-refundable joining fees and monthly dues from its members. The Company also offers paid-in-full memberships giving members the option to pay their membership dues in advance. The Company offers both month-to-month and commit memberships. Members can cancel their membership with a fee charged to those members still under contract. Membership dues are recognized in the period in which access to the club is provided. The Company’s membership plans allow for club members to elect to pay a per visit fee to use non-home clubs. These usage fees are recorded to membership revenue in the month the usage occurs. Initiation and processing fees: Initiation and processing fees, as well as related direct and incremental expenses of membership acquisition, which may include sales commissions, bonuses and related taxes and benefits, are deferred and recognized, on a straight-line basis, in operations over the estimated average membership life or 12 months to the extent these costs are related to the first annual fee paid within one month of enrollment. Annual fees are amortized over 12 months. The estimated average membership life was 26 months for each of the three and nine months ended September 30, 2018 and the full-year of 2017 . The Company monitors factors that might affect the estimated average membership life including retention trends, attrition trends, membership sales volumes, membership composition, competition, and general economic conditions, and adjusts the estimate as necessary on an annual basis. Personal training revenue: The Company recognizes revenue from personal training sessions as the services are performed (i.e., when the session occurs). Unused personal training sessions expire after a set, disclosed period of time after purchase and are not refundable or redeemable by the member for cash. The Company had approximately $12,103 and $12,456 of unused and expired personal training sessions that had not been recognized as revenue and was recorded as deferred revenue as of September 30, 2018 and December 31, 2017 , respectively. The Company does not believe this amount is subject to the escheatment or abandoned property laws of any of the jurisdictions in which we conduct our business, including the State of New York. It is possible however, that one or more of these jurisdictions may not agree with the Company's position and may claim that the Company must remit all or a portion of these amounts to such jurisdiction. This could have a material adverse effect on the Company's cash flows. The State of New York has informed the Company that it is considering whether the Company is required to remit the amount received by the Company for unused, expired personal training sessions to the State of New York as unclaimed property. For a total of six jurisdictions, the Company has concluded, based on opinions from outside counsel that money held by a company for unused and expired personal training sessions are not escheatable. In the State of California, recently entered into by the Company through acquisition, unused personal training sessions do not expire and are not escheatable. In addition to the prepaid personal training sessions the Company also offers a personal training membership product which consists of single or multi-session packages ranging from four to 12 sessions per month. These sessions provided by the membership product are at a discount to our stand-alone session pricing and must be used in each respective month. Revenue related to this product is recognized in each respective month. Other ancillary club revenue: Other ancillary club revenue primarily consists of Sports Clubs for Kids, Small Group Training and racquet sports. Revenues are recognized as the services are performed. Fees and other revenue: Fees and other revenue primarily consist of rental income from third party tenants, marketing revenue related to third party marketing in the Company’s club locations, management fees related to clubs the Company manages but does not wholly-own and revenue related to laundry services. Revenue generated from fees and other revenue is generally recognized at the time the related contracted services are performed. The Company generates management fees from certain club facilities that are not wholly-owned, which include three and five managed sites as of September 30, 2018 and 2017 , respectively. Management fees earned for services rendered are recognized at the time the related services are performed. Revenue generated from managed sites was $115 and $367 for the three and nine months ended September 30, 2018 , respectively, compared to $173 and $760 for the three and nine months ended September 30, 2017 , respectively. When a revenue agreement involves multiple elements, such as sales of both memberships and services in one arrangement or potentially multiple arrangements, the entire fee from the arrangement is allocated to each respective element based on its relative fair value and recognized when the revenue recognition criteria for each element is met. In connection with advance receipt of fees or dues, the Company was required to maintain bonds totaling $3,196 and $2,658 as of September 30, 2018 and December 31, 2017 , respectively. Contract Liability The Company records deferred revenue when cash payments are received or due in advance of our performance. In the three and nine months ended September 30, 2018 , the Company recognized revenue of $3,274 and $19,630 that was included in the deferred revenue balance as of December 31, 2017 . Practical Expedients and Exemptions The Company has elected to not capitalize contracts that are shorter than one year. The majority of the Company's contracts have an expected length of one year or less. The Company does not disclose the value of unsatisfied performance obligations for (i) contracts with an original expected length of one year or less and (ii) contracts for which we recognize revenue at the amount to which we have the right to invoice for services performed.

Long-Term Debt

Long-Term Debt	9 Months Ended
	Sep. 30, 2018
Debt Disclosure [Abstract]
Long-Term Debt	Long-Term Debt September 30, 2018 December 31, 2017 2013 Term Loan Facility outstanding principal balance $ 198,356 $ 199,918 Capital lease liabilities 2,339 160 Less: Unamortized discount (2,184 ) (2,912 ) Less: Deferred financing costs (719 ) (977 ) Less: Current portion due within one year (12,705 ) (2,242 ) Long-term portion $ 185,087 $ 193,947 2013 Senior Credit Facility On November 15, 2013, TSI LLC, an indirect, wholly-owned subsidiary, entered into a $370,000 senior secured credit facility (“2013 Senior Credit Facility”), pursuant to a credit agreement among TSI LLC, TSI Holdings II, LLC, a newly-formed, wholly-owned subsidiary of the Company (“Holdings II”), as a Guarantor, the lenders party thereto, Deutsche Bank AG, as administrative agent, and Keybank National Association, as syndication agent. The 2013 Senior Credit Facility consists of a $325,000 term loan facility maturing on November 15, 2020 (“2013 Term Loan Facility”) and a $45,000 revolving loan facility maturing on November 15, 2018 (“2013 Revolving Loan Facility”). Proceeds from the 2013 Term Loan Facility of $323,375 were issued, net of an original issue discount of 0.5% , or $1,625 . Debt issuance costs recorded in connection with the 2013 Senior Credit Facility were $5,119 and are being amortized as interest expense and are recorded as a contra-liability to long-term debt on the accompanying condensed consolidated balance sheets. The Company also recorded additional debt discount of $4,356 related to creditor fees. The proceeds from the 2013 Term Loan Facility were used to pay off amounts outstanding under the Company’s previously outstanding long-term debt facility, and to pay related fees and expenses. None of the revolving loan facility was drawn upon as of the closing date on November 15, 2013 but loans under the 2013 Revolving Loan Facility may be drawn from time to time pursuant to the terms of the 2013 Senior Credit Facility. The borrowings under the 2013 Senior Credit Facility are guaranteed and secured by assets and pledges of capital stock by Holdings II, TSI LLC, and, subject to certain customary exceptions, the wholly-owned domestic subsidiaries of TSI LLC. Borrowings under the 2013 Term Loan Facility and the 2013 Revolving Loan Facility, at TSI LLC’s option, bear interest at either the administrative agent’s base rate plus 2.5% or a LIBOR rate adjusted for certain additional costs (the “Eurodollar Rate”) plus 3.5% , each as defined in the 2013 Senior Credit Facility. With respect to the outstanding term loans, the Eurodollar Rate has a floor of 1.00% and the base rate has a floor of 2.00% . Commencing with the last business day of the quarter ended March 31, 2014, TSI LLC is required to pay 0.25% of the principal amount of the term loans each quarter, which may be reduced by voluntary prepayments. As of September 30, 2018 , TSI LLC had made a total of $25,663 in principal payments on the 2013 Term Loan Facility. On January 30, 2015, the 2013 Senior Credit Facility was amended (the “Amendment”) to permit TSI Holdings to purchase term loans under the credit agreement. Any term loans purchased by TSI Holdings will be canceled in accordance with the terms of the credit agreement, as amended by the Amendment. The Company may from time to time purchase term loans in market transactions, privately negotiated transactions or otherwise; however the Company is under no obligation to make any such purchases. Any such transactions, and the amounts involved, will depend on prevailing market conditions, liquidity requirements, contractual restrictions and other factors. The amounts involved may be material. In May 2017, TSI LLC loaned $5,000 to TSI Group, a wholly-owned subsidiary of TSI Holdings, at a rate of LIBOR plus 9.55% per annum. In addition to the interest payments, TSI Group is required to repay 1.0% of the principal amount of the loan, $50 per annum, on a quarterly basis commencing September 30, 2017. The loan is secured by certain collateral. This transaction has no impact on the Company's consolidated financial statements as it is eliminated in consolidation. In October 2017, TSI LLC made a dividend distribution of $35,000 to TSI Holdings. As of September 30, 2018 , TSI Group had a cash balance of approximately $3,732 . The terms of the 2013 Senior Credit Facility provide for a financial covenant in the situation where the total utilization of the revolving loan commitments (other than letters of credit up to $5,500 at any time outstanding) exceeds 25% of the aggregate amount of those commitments. In such event, TSI LLC is required to maintain a total leverage ratio, as defined in the 2013 Senior Credit Facility, of no greater than 4.50 :1.00. As of September 30, 2018 , TSI LLC had outstanding letters of credit of $4,433 and a total leverage ratio that was below 4.50 :1.00. Other than these outstanding letters of credit, TSI LLC did not have any amounts utilized on the 2013 Revolving Loan Facility. The terms of the 2013 Senior Credit Facility include a financial covenant under which the Company is not able to utilize more than 25% or $11,250 in accordance with terms of the 2013 Revolving Loan Facility if the total leverage ratio exceeds 4.50 :1.00 (calculated on a proforma basis to give effect to any borrowing). The 2013 Senior Credit Facility also contains certain affirmative and negative covenants, including covenants that may limit or restrict TSI LLC and Holdings II’s ability to, among other things, incur indebtedness and other liabilities; create liens; merge or consolidate; dispose of assets; make investments; pay dividends and make payments to stockholders; make payments on certain indebtedness; and enter into sale leaseback transactions, in each case, subject to certain qualifications and exceptions. In addition, at any time when the total leverage ratio is greater than 4.50 :1.00, there are additional limitations on the ability of TSI LLC and Holdings II to, among other things, make certain distributions of cash to TSI Holdings. The 2013 Senior Credit Facility also includes customary events of default (including non-compliance with the covenants or other terms of the 2013 Senior Credit Facility) which may allow the lenders to terminate the commitments under the 2013 Revolving Loan Facility and declare all outstanding term loans and revolving loans immediately due and payable and enforce its rights as a secured creditor. TSI LLC may prepay the 2013 Term Loan Facility and 2013 Revolving Loan Facility without premium or penalty in accordance with the 2013 Senior Credit Facility. Mandatory prepayments are required relating to certain asset sales, insurance recovery and incurrence of certain other debt and commencing in 2015 in certain circumstances relating to excess cash flow (as defined) for the prior fiscal year, as described below, in excess of certain expenditures. Pursuant to the terms of the 2013 Senior Credit Facility, the Company is required to apply net proceeds in excess of $30,000 from sales of assets in any fiscal year towards mandatory prepayments of outstanding borrowings. In addition, the 2013 Senior Credit Facility contains provisions that require excess cash flow payments, as defined therein, to be applied against outstanding 2013 Term Loan Facility balances. The excess cash flow is calculated annually for each fiscal year ending December 31 and paid 95 days after the fiscal year end. The applicable excess cash flow repayment percentage is applied to the excess cash flow when determining the excess cash flow payment. Earnings, changes in working capital and capital expenditure levels all impact the determination of any excess cash flow. The applicable excess cash flow repayment percentage is 50% when the total leverage ratio, as defined in the 2013 Senior Credit Facility, exceeds or is equal to 2.50 :1.00; 25% when the total leverage ratio is greater than or equal to 2.00 :1.00 but less than 2.50 :1.00 and 0% when the total leverage ratio is less than 2.00 :1.00. TSI LLC may pay dividends in the amount of cumulative retained excess cash flow to TSI Holdings as long as at the time the dividend is made, and immediately after, TSI LLC is in compliance on a pro forma basis with a total leverage ratio of less than 4.00 :1.00. The excess cash flow calculation performed as of December 31, 2017 did not result in any required payments in April 2018. The next excess cash flow payment is due in April 2019, if applicable. Based on the Company’s 2018 forecast, it expects to have approximately $20,000 of excess cash flow and pay approximately $10,000 in principal payments at this time and such amount is included in Current portion of long-term debt on the Company’s accompanying condensed consolidated balance sheet as of September 30, 2018 . The forecast is an estimate and subject to change. As of September 30, 2018 , the 2013 Term Loan Facility has a gross principal balance of $198,356 and a balance of $195,453 net of unamortized debt discount of $2,184 and unamortized debt issuance costs of $719 . As of September 30, 2018 , both the unamortized balance of debt issuance costs and unamortized debt discount are recorded as a contra-liability to long-term debt on the accompanying condensed consolidated balance sheet and are being amortized as interest expense using the effective interest method. As of September 30, 2018 , there were no outstanding 2013 Revolving Loan Facility borrowings and outstanding letters of credit issued totaled $4,433 . The unutilized portion of the 2013 Revolving Loan Facility as of September 30, 2018 was $40,567 , with borrowings under such facility subject to the conditions applicable to borrowings under the Company’s 2013 Senior Credit Facility, which conditions the Company may or may not be able to satisfy at the time of borrowing. The 2013 Revolving Loan Facility will mature on November 15, 2018. Given that the 2013 Senior Credit Facility contains a restrictive covenant on obtaining secured debt, if the Company is unable to extend, restructure or refinance the 2013 Revolving Loan Facility prior to maturity, all letters of credit that remain outstanding under the 2013 Revolving Loan Facility will become immediately due and payable upon maturity. The Company is considering alternative means to satisfy these obligations, including the cash collateralization of such obligations. Fair Market Value Based on quoted market prices, the 2013 Term Loan Facility had a fair value of approximately $195,381 and $188,173 at September 30, 2018 and December 31, 2017 , respectively, and is classified within level 2 of the fair value hierarchy. Level 2 is based on quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets. The fair value for the Company’s 2013 Term Loan Facility is determined using observable current market information such as the prevailing Eurodollar interest rate and Eurodollar yield curve rates and includes consideration of counterparty credit risk. For the fair market value of the Company’s interest rate swap instrument refer to Note 6 - Derivative Financial Instruments.

Mortgage and Term Loan

Mortgage and Term Loan	9 Months Ended
	Sep. 30, 2018
Debt Disclosure [Abstract]
Mortgage and Term Loan	Mortgage and Term Loan On August 3, 2018, TSI - Donald Ross Realty LLC, a subsidiary of TSI Group, entered into a mortgage note for $3,150 with BankUnited, N.A. (the “Lender”). This mortgage note bears interest at a fixed rate of 5.36% and is payable in 120 monthly payments of principal and interest based on a 25 year amortization period. The first payment was due and paid on September 3, 2018. The entire principal balance of this mortgage note is due and payable in full on its maturity date of August 3, 2028. On April 24, 2018, Dixie Highway Realty, LLC, a subsidiary of TSI Group, entered into promissory notes for $1,880 (the “Mortgage Note”) and $500 (the “Term Note”) with the Lender. The Mortgage Note bears interest at a fixed rate of 5.46% and is payable in 120 monthly payments of principal and interest based on a 25 year amortization period. The first payment was due and paid on May 24, 2018. The entire principal balance of the Mortgage Note is due and payable in full on its maturity date of April 24, 2028. The Term Note bears interest at a fixed rate of 5.30% and is payable in 60 payments of principal and interest. The first payment was due and paid on May 24, 2018 and the final payment will be due to the Lender on the maturity date of April 24, 2023 for all principal and accrued interest not yet paid. In connection with the above mortgage and term loan notes, TSI Group or TSI Holdings must maintain a minimum relationship liquidity balance with the Lender of $500 and in the form of an operating account. The carrying amount of the mortgage notes and Term Note approximates fair value based on Level 2 inputs. Level 2 is based on quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets.

Derivative Financial Instrument

Derivative Financial Instruments	9 Months Ended
	Sep. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	Derivative Financial Instruments The Company is exposed to market risks relating to fluctuations in interest rates. In order to minimize the possible negative impact of such fluctuations on the Company’s cash flows, the Company entered into derivative financial instruments (“derivatives”), such as interest-rate swaps. Derivatives were not entered into for trading purposes and the Company only used commonly traded instruments. The Company used derivatives solely relating to the variability of cash flows from interest rate fluctuations. The Company originally entered into an interest rate swap arrangement on July 13, 2011 in connection with the Company’s previous credit facility. In connection with entering into the 2013 Senior Credit Facility, the Company amended and restated the interest rate swap agreement initially entered into (and amended in August 2012 and November 2012). Effective as of November 15, 2013, the closing date of the 2013 Senior Credit Facility, the interest rate swap arrangement had a notional amount of $160,000 and matured on May 15, 2018. The swap effectively converted $160,000 of the outstanding principal of the total variable-rate debt under the 2013 Senior Credit Facility to a fixed rate of 0.884% plus the 3.5% applicable margin and the Eurodollar rate, which had a floor of 1% . As permitted by ASC 815, Derivatives and Hedging, the Company designated this swap as a cash flow hedge, the effects of which were reflected in the Company’s condensed consolidated financial statements for the three and nine months ended September 30, 2018 and 2017 . The objective of this hedge was to manage the variability of cash flows in the interest payments related to the portion of the variable-rate debt designated as being hedged. When the Company’s derivative instrument was executed, hedge accounting was deemed appropriate and it was designated as a cash flow hedge at inception with re-designation being permitted under ASC 815, Derivatives and Hedging. Interest rate swaps were designated as cash flow hedges for accounting purposes since they were being used to transform variable interest rate exposure to fixed interest rate exposure on a recognized liability (debt). The Company performed a quarterly assessment of the hedge effectiveness of the hedge relationship and measured and recognized any hedge ineffectiveness in the condensed consolidated statements of operations. For the three and nine months ended September 30, 2018 (through May 15, 2018, the maturity date) and 2017 , hedge ineffectiveness was evaluated using the hypothetical derivative method and there was no hedge ineffectiveness noted. Accounting guidance on fair value measurements specified a hierarchy of valuation techniques based on whether the inputs to those valuation techniques were observable or unobservable. Observable inputs reflected market data obtained from independent sources, while unobservable inputs reflected the Company’s market assumptions. These two types of inputs created the following fair value hierarchy: • Level 1—Quoted prices for identical instruments in active markets. • Level 2—Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that were not active; and model-derived valuations in which all significant inputs and significant value drivers were observable in active markets. • Level 3—Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers were unobservable . This hierarchy required the Company to use observable market data, when available, and to minimize the use of unobservable inputs when determining fair value. The fair value for the Company’s interest rate swap was determined using observable current market information such as the prevailing Eurodollar interest rate and Eurodollar yield curve rates and include consideration of counterparty credit risk. The following table presents the aggregate fair value of the Company’s derivative financial instrument: Fair Value Measurements Using: Total Quoted Prices in Significant Other Significant Interest rate swap liability as of September 30, 2018 $ — $ — $ — $ — Interest rate swap liability as of December 31, 2017 $ 184 $ — $ 184 $ — There was no contract liability as of September 30, 2018 . As of December 31, 2017 , the swap contract liability of $184 was recorded as a component of accrued expenses with the offset to accumulated other comprehensive income ( $104 , net of taxes) on the accompanying condensed consolidated balance sheet. There were no significant reclassifications out of accumulated other comprehensive income during the three and nine months ended September 30, 2018 and 2017 and there are no remaining amounts in accumulated other comprehensive income as of September 30, 2018 due to the maturity of the interest rate swap on May 15, 2018.

Related Party

Related Party	9 Months Ended
	Sep. 30, 2018
Related Party Transactions [Abstract]
Related Party	Related Party On April 25, 2017, the Company approved the appointment of Stuart M. Steinberg as General Counsel of the Company, effective as of May 1, 2017. Furthermore, the Company and Mr. Steinberg's law firm (the “Firm”) previously entered into an engagement letter agreement (the “Agreement”) dated as of February 4, 2016, and as amended and restated effective as of May 1, 2017, pursuant to which the Company engaged the Firm to provide general legal services requested by the Company. Mr. Steinberg continues to provide services for the Firm while employed by the Company. The Agreement provides for a monthly retainer fee payable to the Firm in the amount of $21 , excluding litigation services. The Company will also reimburse the Firm for any expenses incurred in connection with the Firm’s services to the Company. In connection with this arrangement, the Company incurred legal expenses payable to the Firm in the amount of $67 and $201 for the three and nine months ended September 30, 2018 , respectively, compared to $67 and $119 for the comparable prior-year periods. These amounts were classified within general and administrative expenses on the condensed consolidated statements of operations for the three and nine months ended September 30, 2018 .

Concentration of Credit Risk

Concentration of Credit Risk	9 Months Ended
	Sep. 30, 2018
Risks and Uncertainties [Abstract]
Concentration of Credit Risk	Concentration of Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash and cash equivalents. Although the Company deposits its cash with more than one financial institution, as of September 30, 2018 , $35,176 of the cash balance of $50,327 was held at one financial institution. The Company has not experienced any losses on cash and cash equivalent accounts to date, and the Company believes that, based on the credit ratings of these financial institutions, it is not exposed to any significant credit risk related to cash at this time.

Earnings (Loss) Per Share

Earnings (Loss) Per Share	9 Months Ended
	Sep. 30, 2018
Earnings Per Share [Abstract]
Earnings (Loss) Per Share	Earnings (Loss) Per Share Basic earnings (loss) per share (“EPS”) is computed by dividing net (loss) earnings applicable to common stockholders by the weighted average numbers of shares of common stock outstanding during the period. Diluted EPS is computed similarly to basic EPS, except that the denominator is increased for the assumed exercise of dilutive stock options and unvested restricted stock calculated using the treasury stock method. Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Weighted average number of common shares outstanding — basic 25,849,800 25,245,262 25,801,480 25,176,035 Effect of dilutive share based awards — — — — Weighted average number of common shares outstanding — diluted 25,849,800 25,245,262 25,801,480 25,176,035 Loss per share: Basic $ (0.15 ) $ (0.53 ) $ (0.09 ) $ (0.66 ) Diluted $ (0.15 ) $ (0.53 ) $ (0.09 ) $ (0.66 ) For the three and nine months ended September 30, 2018 , there were no stock options or outstanding restricted stock awards excluded from the computation of earnings per diluted share as there were no shares with an anti-dilutive effect. For the three and nine months ended September 30, 2017 , there was no effect of dilutive stock options and unvested restricted common stock on the calculation of diluted EPS as the Company had a net loss for these periods. There would have been 19,022 and 37,811 anti-dilutive shares for the three and nine months ended September 30, 2017 , respectively, had the Company not been in a net loss position during these periods. In the three months ended September 30, 2018 , the Company determined that it had incorrectly computed the number of weighted average common shares used in basic earnings per share in previously issued financial statements. This resulted in misstatements of basic EPS for the annual period of 2016 and interim and annual periods for 2017. This item also resulted in corresponding misstatements in diluted EPS in the respective periods. These errors had no impact to the Company’s revenues, operating income (loss), or net income (loss), and had no impact to the Company’s consolidated balance sheets, consolidated statements of cash flows, consolidated statements of comprehensive income (loss), or consolidated statements of stockholders’ deficit. The Company assessed the materiality of these errors on the previously issued interim and annual financial statements in accordance with SEC Staff Accounting Bulletin No. 99 and No. 108, and concluded that the errors were not material to any of the previously issued consolidated financial statements. The Company appropriately reflected the weighted average common shares calculations in the condensed consolidated statements of operations for the three and nine months ended September 30, 2018 and plans to revise the comparative presentation of the financial statements in future filings. The effects of the revision had the following impacts for the respective periods: Twelve Months Ended December 31, 2016 (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 25,568,371 (863,279 ) 24,705,092 Effect of dilutive share based awards 506,364 — 506,364 Weighted average number of common shares outstanding — diluted 26,074,735 (863,279 ) 25,211,456 Earnings per share: Basic $ 0.31 $ 0.02 $ 0.33 Diluted $ 0.31 $ 0.01 $ 0.32 Three Months Ended March 31, 2017 (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 26,610,215 (1,567,892 ) 25,042,323 Effect of dilutive share based awards — — — Weighted average number of common shares outstanding — diluted 26,610,215 (1,567,892 ) 25,042,323 Loss per share: Basic $ (0.11 ) $ (0.01 ) $ (0.12 ) Diluted $ (0.11 ) $ (0.01 ) $ (0.12 ) Three Months Ended June 30, 2017 Six Months Ended June 30, 2017 (As Reported) (Adjustment) (As Revised) (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 26,692,919 (1,454,628 ) 25,238,291 26,651,796 (1,510,948 ) 25,140,848 Effect of dilutive share based awards — — — — — — Weighted average number of common shares outstanding — diluted 26,692,919 (1,454,628 ) 25,238,291 26,651,796 (1,510,948 ) 25,140,848 Loss per share: Basic $ (0.02 ) $ — $ (0.02 ) $ (0.13 ) $ — $ (0.13 ) Diluted $ (0.02 ) $ — $ (0.02 ) $ (0.13 ) $ — $ (0.13 ) Three Months Ended September 30, 2017 Nine Months Ended September 30, 2017 (As Reported) (Adjustment) (As Revised) (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 26,683,425 (1,438,163 ) 25,245,262 26,662,455 (1,486,420 ) 25,176,035 Effect of dilutive share based awards — — — — — — Weighted average number of common shares outstanding — diluted 26,683,425 (1,438,163 ) 25,245,262 26,662,455 (1,486,420 ) 25,176,035 Loss per share: Basic $ (0.50 ) $ (0.03 ) $ (0.53 ) $ (0.62 ) $ (0.04 ) $ (0.66 ) Diluted $ (0.50 ) $ (0.03 ) $ (0.53 ) $ (0.62 ) $ (0.04 ) $ (0.66 ) Three Months Ended December 31, 2017 Twelve Months Ended December 31, 2017 (As Reported) (Adjustment) (As Revised) (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 26,825,605 (1,437,003 ) 25,388,602 26,703,577 (1,473,963 ) 25,229,614 Effect of dilutive share based awards 637,107 — 637,107 719,256 — 719,256 Weighted average number of common shares outstanding — diluted 27,462,712 (1,437,003 ) 26,025,709 27,422,833 (1,473,963 ) 25,948,870 Earnings per share: Basic $ 0.78 $ 0.05 $ 0.83 $ 0.16 $ 0.01 $ 0.17 Diluted $ 0.76 $ 0.05 $ 0.81 $ 0.16 $ 0.01 $ 0.17

Stock-Based Compensation

Stock-Based Compensation	9 Months Ended
	Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	Stock-Based Compensation The Company’s 2006 Stock Incentive Plan, as amended and restated in April 2015 (the “2006 Plan”), authorizes the Company to issue up to 3,500,000 shares of common stock to employees, non-employee directors and consultants pursuant to awards of stock options, stock appreciation rights, restricted stock, in payment of performance shares or other stock-based awards. The Company amended the 2006 Plan to increase the aggregate number of shares of common stock issuable under the 2006 Plan by 1,000,000 shares to a total of 4,500,000 in May 2016, and by 2,000,000 shares to a total of 6,500,000 in May 2017. Under the 2006 Plan, stock options must be granted at a price not less than the fair market value of the stock on the date the option is granted, generally are not subject to re-pricing, and will not be exercisable more than ten years after the date of grant. Options granted under the 2006 Plan generally qualify as “non-qualified stock options” under the U.S. Internal Revenue Code. As of September 30, 2018 , there were 2,074,040 shares available to be issued under the 2006 Plan. At September 30, 2018 , the Company had 30,147 stock options outstanding and 1,260,292 shares of restricted stock outstanding under the 2006 Plan. Stock Option Awards The Company did not grant any stock options during the three and nine months ended September 30, 2018 . Total compensation expense, classified within Payroll and related on the condensed consolidated statements of operations, related to stock options outstanding was $5 and $15 for the three and nine months ended September 30, 2017 , respectively. There was no compensation expense related to stock options outstanding for the three and nine months ended September 30, 2018 . Restricted Stock Awards On February 1, 2018 , the Company issued 13,115 shares of restricted stock under the 2006 Plan. The fair value per share for such restricted stock awards was $6.10 , representing the closing stock price on the date of grant. These shares will vest in three equal installments on each of the first three anniversaries of the date of grant. The total compensation expense, classified within Payroll and related on the condensed consolidated statements of operations, related to restricted stock was $548 and $1,710 for the three and nine months ended September 30, 2018 , respectively, compared to $379 and $1,083 for the comparable prior-year periods. The Company adjusted the forfeiture estimates to reflect actual forfeitures. The forfeiture adjustment reduced stock-based compensation expense by $21 and $48 for the three and nine months ended September 30, 2018 , respectively, compared to $21 and $164 for the comparable prior-year periods. As of September 30, 2018 , a total of $3,317 in unrecognized compensation expense related to restricted stock awards is expected to be recognized over a weighted-average period of 1.8 years . Stock Grants The Company issued 52,460 shares of common stock to members of the Company’s Board of Directors in respect of their annual retainer on February 1, 2018. The fair value of the shares issued was $6.10 per share and was expensed upon the date of grant. The total compensation expense, classified within general and administrative expenses, related to Board of Directors common stock grants was $320 and $368 for the nine months ended September 30, 2018 and 2017 , respectively. Management Stock Purchase Plan The Company adopted the 2018 Management Stock Purchase Plan in January 2018, and amended and restated it in March 2018 (the “MSPP”). The purpose of the MSPP is to provide eligible employees of the Company (corporate title of Director or above) an opportunity to voluntarily purchase the Company’s stock in a convenient manner. As of September 30, 2018 , shares purchased under this plan did not have a material impact on the Company’s financial statements. There was no compensation expense related to MSPP for each of the three and nine months ended September 30, 2018 and 2017 . The following is a summary of the MSPP, which is qualified in its entirety by the terms of the MSPP. Eligible employees may elect to use up to 20% of their cash compensation (as defined in the MSPP), but in no event more than $200 in any calendar year, to purchase the Company’s common stock generally on a quarterly basis on the open market through a broker (such purchased shares being referred to as “MSPP Shares”). If the participant holds the MSPP Shares for the requisite period specified in the Plan ( two years from the purchase date) and remains an employee of the Company, the participant will receive an award of shares of restricted stock under the Company’s 2006 Stock Incentive Plan, as amended, in an amount equal to the number of MSPP Shares that satisfied the holding period. The award will vest on the second anniversary of the award date so long as the participant remains an employee on the vesting date. Awards granted under the Stock Incentive Plan in any calendar year as a result of participants holding the MSPP Shares for the requisite period will be the lesser of (i) 50% of the shares available for grant under the Stock Incentive Plan and (ii) the number of MSPP Shares that have satisfied the two year holding period. Employee Stock Purchase Plan In May 2018, the Company’s shareholders approved the Town Sports International Holdings, Inc. Employee Stock Purchase Plan (the “ESPP”), effective as of June 15, 2018. Under the ESPP, an aggregate of 800,000 shares of common stock (subject to certain adjustments to reflect changes in the Company’s capitalization) are reserved and may be purchased by eligible employees who become participants in the ESPP. The purchase price per share of the common stock will be the lesser of 85% of the fair market value of a share of common stock on the offering date or 85% of the fair market value of a share of common stock on the purchase date. As of September 30, 2018 , there were 796,640 shares of common stock available for issuance pursuant to the ESPP. Total compensation expense, classified within Payroll and related on the condensed consolidated statements of operations, related to ESPP was $9 and $11 for the three and nine months ended September 30, 2018 , respectively. The fair value of the purchase rights granted under the ESPP for the offering period beginning September 17, 2018 was $2.30 . It was estimated by applying the Black-Scholes option-pricing model to the purchase period in the offering period using the following assumptions: September 17, 2018 Grant price $ 8.25 Expected term 3 months Expected volatility 64.24 % Risk-free interest rate 2.14 % Expected dividend yield — % Grant price - Closing stock price on the first day of the offering period. Expected Term - The expected term is based on the end date of the purchase period of each offering period, which is three months from the commencement of each new offering period. Expected volatility - The expected volatility is based on historical volatility of the Company’s stock as well as the implied volatility from publicly traded options on the Company’s stock. Risk-free interest rate - The risk-free interest rate is based on a U.S. Treasury rate in effect on the date of grant with a term equal to the expected term.

Fixed Asset Impairment

Fixed Asset Impairment	9 Months Ended
	Sep. 30, 2018
Property, Plant and Equipment [Abstract]
Fixed Asset impairment	Fixed Asset Impairment Fixed assets are evaluated for impairment periodically whenever events or changes in circumstances indicate that related carrying amounts may not be recoverable from undiscounted cash flows in accordance with the FASB guidance. The Company’s long-lived assets and liabilities are grouped at the individual club level, which is the lowest level for which there are identifiable cash flows. To the extent that estimated future undiscounted net cash flows attributable to the assets are less than the carrying amount, an impairment charge equal to the difference between the carrying value of such asset and their fair values is recognized. In both the three and nine months ended September 30, 2018 , the Company tested underperforming clubs and recorded an impairment charge of $2,082 and on leasehold improvements and furniture and fixtures at clubs that experienced decreased profitability and sales levels below expectations during these periods. In both the three and nine months ended September 30, 2017 , the Company recorded impairment charges of $6,497 related to underperforming clubs. The fixed asset impairment charges are included as a component of operating expenses in a separate line on the accompanying condensed consolidated statements of operations. In periods tested, the recoverability of fixed assets, Level 3 inputs were used in determining undiscounted cash flows, which are based on internal budgets and forecasts through the end of the life of the primary asset in the asset group which is normally the life of leasehold improvements. The most significant assumptions in those budgets and forecasts relate to estimated membership and ancillary revenue, attrition rates, discount rates, income tax rates, estimated results related to new program launches and maintenance capital expenditures. The fair value of fixed assets evaluated for impairment was determined considering a combination of a market approach and a cost approach.

Goodwill and Other Intangibles

Goodwill and Other Intangibles	9 Months Ended
	Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangibles	Goodwill and Other Intangibles Goodwill was allocated to reporting units that closely reflect the regions served by the Company: New York, Boston, Washington, D.C., Philadelphia, Florida, California, Puerto Rico and Switzerland, with certain more remote clubs that do not benefit from a regional cluster being considered single reporting units (“Outlier Clubs”). The Company has acquired several clubs since the third quarter of 2017 and has recorded goodwill as applicable to the appropriate regions. For more information on these acquisitions, refer to Note 13 - Acquisitions. Goodwill for all acquisitions was recorded at fair value at the time of such acquisitions and may have changes to the balances up to one year after acquisition. As of September 30, 2018 , the New York, Boston, California, Florida, Puerto Rico and Switzerland regions have a goodwill balance. The Company has historically performed its goodwill impairment test annually as of the last day of February and in the interim if a triggering event occurred. In the first quarter of 2018, the Company established August 1 to be the annual testing date for the New York and Boston regions and in the second quarter it established August 1 to be the annual testing date for the California and Switzerland regions as well, thereby aligning all of the Company’s reporting units with goodwill balances with the same annual goodwill impairment test date. As of February 28, 2018, the Company performed a goodwill impairment test on the Switzerland region in line with the historical policy. As of August 1, 2018, the Company performed a goodwill impairment test on the New York, Boston, California and Switzerland regions, which was within 12 months of the related acquisitions. For the Florida and Puerto Rico regions, the acquired goodwill was related to the acquisitions of clubs after the annual testing date. As such, these intangible assets were recorded at fair value at the time of acquisitions. The next goodwill impairment test for all reporting units will be August 1, 2019, which is within 12 months of the acquisitions. The Company’s annual goodwill impairment tests as of August 1, 2018 and February 28, 2018 were performed by comparing the fair value of the Company’s reporting unit with its carrying amount and then recognizing an impairment charge, as necessary, for the amount by which the carrying amount exceeds the reporting unit’s fair value, not to exceed the total amount of goodwill allocated to that reporting unit. The estimated fair value was determined by using an income approach. The income approach was based on discounted future cash flows and required significant assumptions, including estimates regarding revenue growth rates, operating margins, weighted average cost of capital, and future economic and market conditions. The August 1, 2018 and February 28, 2018 annual impairment tests supported the goodwill balance and as such, no impairment of goodwill was required. The changes in the carrying amount of goodwill from December 31, 2017 through September 30, 2018 are detailed in the chart below: New York Boston California Florida Puerto Rico Switzerland Outlier Total Goodwill $ 36,707 $ 15,775 $ — $ — $ — $ 1,175 $ 3,982 $ 57,639 Changes due to foreign currency exchange rate fluctuations — — — — — (116 ) — (116 ) Less: accumulated impairment of goodwill (31,549 ) (15,775 ) — — — — (3,982 ) (51,306 ) Balance as of December 31, 2017 5,158 — — — — 1,059 — 6,217 Acquired goodwill (Refer to Note 13 - Acquisitions) 2,025 768 1,584 1,991 2,187 — — 8,555 Changes due to foreign currency exchange rate fluctuations — — — (3 ) — (3 ) Balance as of September 30, 2018 $ 7,183 $ 768 $ 1,584 $ 1,991 $ 2,187 $ 1,056 $ — $ 14,769 Amortization expense was $527 and $1,561 for the three and nine months ended September 30, 2018 , respectively, compared to $123 and $135 for the comparable prior-year periods. Intangible assets were acquired in connection with the Lucille Roberts and TMPL acquisitions in 2017, as well as the acquisition of Total Woman, Palm Beach Sports Clubs, LIV Fitness, two clubs in the New York region and a club in the Boston region during the nine months ended September 30, 2018 . Intangible assets are as follows: As of September 30, 2018 As of December 31, 2017 Gross Carrying Accumulated Net Intangible Gross Carrying Accumulated Net Intangible Membership lists $ 14,313 $ (12,430 ) $ 1,883 $ 12,744 $ (11,577 ) $ 1,167 Favorable lease commitment 2,390 (467 ) 1,923 2,350 (136 ) 2,214 Non-compete agreement 1,620 (210 ) 1,410 900 — 900 Trade names 2,802 (213 ) 2,589 900 (47 ) 853 $ 21,125 $ (13,320 ) $ 7,805 $ 16,894 $ (11,760 ) $ 5,134

Acquisitions

Acquisitions	9 Months Ended
	Sep. 30, 2018
Business Combinations [Abstract]
Acquisitions	Acquisitions Acquisitions of businesses are accounted for in accordance with ASC 805, Business Combinations and ASU 2017-01. According to ASC 805, transactions that represent business combinations should be accounted for under the acquisition method. In addition, the ASC 805 includes a subtopic which provides guidance on transactions sometimes associated with business combinations but that do not meet the requirements to be accounted for as business combinations under the acquisition method. Under the acquisition method, the purchase price is allocated to the assets acquired and the liabilities assumed based on their respective estimated fair values as of the acquisition date. Any excess of the purchase price over the fair values of the assets acquired and liabilities assumed was allocated to goodwill, which represents synergies from the addition of the clubs to the Company’s portifolio. The results of operations of the clubs acquired have been included in the Company’s consolidated financial statements from the date of acquisition. The Company incurred acquisition-related costs of $722 and $1,736 in the three and nine months ended September 30, 2018 , respectively, compared to $250 and $275 for the comparable prior-year periods. These costs are included in general and administrative expenses in the accompanying condensed consolidated statements of operations. Acquisition of LIV Fitness In September 2018, the Company acquired LIV Fitness for a net cash purchase price of $4,930 . The acquisition added two clubs to the Company’s portfolio in Puerto Rico. These clubs continue to operate under the LIV Fitness trade name. The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. September 2018 Allocation of purchase price: Fixed assets $ 2,134 Goodwill 2,187 Definite lived intangible assets: Membership list 480 Trade name 340 Non-compete agreement 320 Unfavorable lease commitment (400 ) Deferred revenue (131 ) Total allocation of purchase price $ 4,930 The goodwill recognized represents the excess of the purchase price over the fair value of the assets acquired and liabilities assumed. The goodwill associated with this acquisition is partially attributable to the avoided costs of acquiring the assembled workforce and is deductible for tax purposes in its entirety. The definite lived intangible assets acquired are being amortized over their estimated useful lives with the trade name amortized over its estimated useful life of 13 years and the unfavorable lease commitment amortized through May 14, 2031, the remaining extended lease life. In the three and nine months ended September 30, 2018 , the revenue and net results related to this acquisition were immaterial to the Company’s condensed consolidated statement of operations. Acquisition in the New York Metropolitan Region In September 2018, the Company acquired 60% of two existing clubs in the New York metropolitan region, with the seller retaining the other 40% . As a result, these two clubs became majority owned subsidiaries of the Company. As consideration for the acquisition, the Company agreed to renovate the two clubs for an amount of up to $1,200 in total. The Company believes this will be less based on vendor quotes and recorded a liability of $350 to represent these future renovations, however, this amount is subject to change. This acquisition added two clubs to the Company’s portfolio in the New York Metropolitan region and will operate under the New York Sports Clubs brand. The following table summarizes an estimated allocation of the purchase price of the assets and liabilities acquired. September 2018 Allocation of purchase price: Fixed assets $ 237 Goodwill 593 Capital lease liabilities (69 ) Other assets and liabilities assumed, net (280 ) Deferred revenue (258 ) Non-controlling interest (106 ) Total allocation of purchase price $ 117 The goodwill recognized represents the excess of the purchase price over the fair value of the assets acquired and liabilities assumed. The goodwill associated with this acquisition is partially attributable to the avoided costs of acquiring the assembled workforce and is deductible for tax purposes in its entirety. In the three and nine months ended September 30, 2018 , the revenue and net results related to this acquisition were immaterial to the Company’s condensed consolidated statement of operations. Acquisition of Palm Beach Sports Clubs In August 2018, the Company acquired 85% of three clubs in Florida, with the seller retaining the other 15% , for a net purchase price of $7,307 and a net cash purchase price of $6,697 and branded them “Palm Beach Sports Clubs”. A net amount of $610 is owed to the seller over the next four years. As a result, Palm Beach Sports Clubs became a majority owned subsidiary of the Company. The acquisition added three clubs to the Company’s portfolio in the Florida region and was accounted for as a business combination. The acquisition also included the purchase of a building in which one of the three clubs operates. The following table summarizes the allocation of the purchase price to the fair value of the assets and liabilities acquired. The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. August 2018 Allocation of purchase price: Fixed assets $ 5,968 Goodwill 1,991 Definite lived intangible assets: Membership list 288 Amount due to seller, net (610 ) Deferred revenue (587 ) Non-controlling interest (353 ) Total allocation of purchase price $ 6,697 The goodwill recognized represents the excess of the purchase price over the fair value of the assets acquired and liabilities assumed. The goodwill associated with this acquisition is partially attributable to the avoided costs of acquiring the assembled workforce and is deductible for tax purposes in its entirety. The membership list acquired is being amortized over the estimated useful life which is an estimated average membership life of 26 months . In the three and nine months ended September 30, 2018 , the Company recorded revenue of $438 and net income of $45 related to Palm Beach Sports Clubs. Such amounts are included in the respective accompanying condensed consolidated statements of operations. Acquisition of Total Woman Gym and Spa Business In April 2018, the Company acquired substantially all of the assets of the Total Woman Gym and Spa business for a net cash purchase price of $7,265 . The acquisition added 12 clubs to the Company’s portfolio in California and was accounted for as a business combination. These 12 clubs continue to operate under the Total Woman Gym and Spa trade name. The following table summarizes the allocation of the purchase price to the fair value of the assets and liabilities acquired. The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. April 2018 (as adjusted) Allocation of purchase price: Fixed assets $ 8,064 Goodwill 1,584 Definite lived intangible assets: Favorable lease commitment 440 Trade name 1,562 Working capital, net 161 Deferred revenue (4,546 ) Total allocation of purchase price $ 7,265 The goodwill recognized represents the excess of the purchase price over the fair value of the assets acquired and liabilities assumed. The goodwill associated with this acquisition is partially attributable to the avoided costs of acquiring the assembled workforce and is deductible for tax purposes in its entirety. The definite lived intangible assets acquired are being amortized over their estimated useful lives with the trade name amortized over its estimated useful life of 15 years and the favorable lease commitment, which expires on June 30, 2026, amortized over the remaining life of the lease. In the three and nine months ended September 30, 2018 , the Company recorded revenue of $5,723 and $10,523 , respectively, and a net loss of $472 and $921 , respectively, related to Total Woman. Such amounts are included in the respective accompanying condensed consolidated statements of operations. Acquisition in the Boston Metropolitan Region In January 2018, the Company acquired an existing club in the Boston metropolitan region for a net cash purchase price of $2,866 and was accounted for as a business combination. The following table summarizes the allocation of the purchase price to the fair value of the assets and liabilities acquired. The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. January 2018 Allocation of purchase price: Fixed assets $ 982 Goodwill 768 Definite lived intangible assets: Membership list 600 Non-compete agreement 400 Working capital assets 130 Deferred revenue (14 ) Total allocation of purchase price $ 2,866 The goodwill recognized represents the excess of the purchase price over the fair value of the assets acquired and liabilities assumed. The goodwill associated with this acquisition is partially attributable to the avoided costs of acquiring the assembled workforce and is deductible for tax purposes in its entirety. The definite lived intangible assets acquired are being amortized over their estimated useful lives with the membership lists being amortized over the estimated average membership life of 26 months and the non-compete agreement being amortized over five years. In the three and nine months ended September 30, 2018 , the Company recorded revenue of $1,012 and $3,443 , respectively, and a net loss of $280 and $284 , respectively, related to this club. Such amounts are included in the respective accompanying condensed consolidated statements of operations. Acquisition of TMPL In December 2017, the Company acquired TMPL Gym, an existing club in the New York metropolitan region, for a net cash purchase price of $5,925 . TMPL is a luxury gym that features a wide variety of fitness programs and group exercises. The club continues to operate under the TMPL trade name and was accounted for as a business combination. The Company received additional information in the first quarter of 2018 and adjusted the purchase price allocation. In the nine months ended September 30, 2018 , the Company recorded measurement period adjustments of $1,011 to both goodwill and deferred revenue. The following table summarizes the allocation of the purchase price to the fair value of the assets and liabilities acquired. The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. December 2017 (as adjusted) Allocation of purchase price: Fixed assets $ 5,195 Goodwill 1,376 Definite lived intangible assets: Non-compete agreement 900 Trade name 200 Deferred revenue (1,511 ) Capital lease liability (160 ) Other liabilities (75 ) Total allocation of purchase price $ 5,925 The goodwill recognized represents the excess of the purchase price over the fair value of the assets acquired and liabilities assumed. The goodwill associated with this acquisition is partially attributable to the avoided costs of acquiring the assembled workforce and is deductible for tax purposes in its entirety. The definite lived intangible assets acquired are being amortized over their estimated useful lives with the non-compete agreement amortized over five years and the trade name amortized over 15 years. In the three and nine months ended September 30, 2018 , the Company recorded revenue of $1,360 and $4,200 , respectively, and a net loss of $250 and $913 , respectively, related to TMPL. Such amounts are included in the respective accompanying condensed consolidated statements of operations. TMPL was launched as a new brand in 2016 focusing on the intersection of metabolic science, exercise and nutrition, and as expected, it will take time to mature given the age of the club. Acquisition of Lucille Roberts Health Club Business In September 2017, the Company acquired Lucille Roberts for a net cash purchase price of $9,450 . The acquisition added 16 clubs to the Company’s portfolio in the New York metropolitan region and was accounted for as a business combination. These 16 clubs continue to operate under the Lucille Roberts trade name. The Company received additional information in the first quarter of 2018 and adjusted the purchase price allocation. In the nine months ended September 30, 2018 , the Company recorded measurement period adjustments of $421 to both goodwill and deferred revenue. The following table summarizes the allocation of the purchase price to the fair value of the assets and liabilities acquired. September 2017 (as adjusted) Allocation of purchase price: Fixed assets $ 1,024 Goodwill 5,214 Definite lived intangible assets: Membership lists 1,400 Trade names 700 Favorable lease commitment 2,350 Deferred revenue (1,238 ) Total allocation of purchase price $ 9,450 The goodwill recognized represents the excess of the purchase price over the fair value of the assets acquired and liabilities assumed. The goodwill associated with this acquisition is partially attributable to the avoided costs of acquiring the assembled workforce and is deductible for tax purposes in its entirety. The definite lived intangible assets acquired are being amortized over their estimated useful lives with the membership lists amortized over the estimated average membership life of 26 months , the trade name amortized over its estimated useful life of five years and the favorable lease commitments amortized over the remaining life of each respective lease, or a weighted average life of 6.3 years. In the three and nine months ended September 30, 2018 , the Company recorded revenue of $4,185 and $12,326 , respectively, and net income of $937 and $2,575 , respectively, related to the Lucille Roberts clubs. Such amounts are included in the respective accompanying condensed consolidated statements of operations. Unaudited Pro forma Results The following table provides the Company’s consolidated unaudited pro forma revenues, net income and net income per basic and diluted common share had the results of the acquired businesses’ operations been included in its operations commencing on January 1, 2017, based on available information related to the respective operations. This pro forma information is not necessarily indicative either of the combined results of operations that actually would have been realized by the Company had the acquisitions been consummated at the beginning of the period for which the pro forma information is presented, or of future results and does not account for any operational improvements to be made by the Company post-acquisition. Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Revenue $ 114,184 $ 115,005 $ 348,132 $ 349,140 Net loss $ (4,223 ) $ (12,394 ) $ (2,166 ) $ (16,620 ) Loss per share: Basic $ (0.16 ) $ (0.52 ) $ (0.09 ) $ (0.66 ) Diluted $ (0.16 ) $ (0.52 ) $ (0.09 ) $ (0.66 ) Asset Acquisitions In January 2018, the Company acquired a building and the land it occupies in the Florida region, as well as a single health club located on the premises for a purchase price of $4,039 . Of the total purchase price, $2,691 was attributed to the building, $1,021 was attributed to the land, and the remainder of the purchase price was primarily attributed to the equipment, intangible assets and deferred revenue. This transaction was accounted for as an asset acquisition. In November 2017, the Company acquired a building and the land it occupies in the New York metropolitan region, as well as a single health club located on the premises for a purchase price of $12,600 . Of the total purchase price, $2,675 was attributed to land, $9,675 was attributed to building, and the remainder of the purchase price was primarily equipment and deferred revenue. This transaction was accounted for as an asset acquisition.

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company recorded an income tax provision inclusive of valuation allowance of $605 and $4,550 for the nine months ended September 30, 2018 and 2017 , respectively, reflecting a negative effective income tax rate of 38% for both the nine months ended September 30, 2018 and 2017 . For the nine months ended September 30, 2018 and 2017 , the Company calculated its income tax provision using the estimated annual effective tax rate methodology. On December 22, 2017, the U.S. President signed into law H.R.1, formerly known as the Tax Cuts and Jobs Act (the “Tax Legislation”). The Tax Legislation significantly revises the U.S. tax code by among other items lowering the U.S federal statutory income tax rate from 35% to 21% . The Company has computed its income tax provision for the nine months ended September 30, 2018 considering this new rate. The Company also initially recorded the applicable impact of the Tax Legislation within its provision for income taxes in the year ended December 31, 2017. The Company recorded the required income tax effects under the Tax Legislation and provided disclosure pursuant to ASC 740, Income Taxes, and the SEC Staff Accounting Bulletin (“SAB”) 118, using its best estimates based on reasonable and supportable assumptions and available inputs and underlying information for the nine months ended September 30, 2018 and the year ended December 31, 2017. As of both September 30, 2018 and December 31, 2017 , the Company had a net deferred tax liability of $276 and $93 , respectively. The Company maintained a full valuation allowance against its U.S. net deferred tax assets (other than deferred tax liabilities related to indefinite lived intangibles) as of both September 30, 2018 and December 31, 2017 . As of September 30, 2018 , the Company had $1,155 of unrecognized tax benefits and it is reasonably possible that the entire amount could be realized by the Company in the year ending December 31, 2018 , since the related income tax returns may no longer be subject to audit in 2018 . From time to time, the Company is under audit by federal, state, and local tax authorities and the Company may be liable for additional tax obligations and may incur additional costs in defending any claims that may arise. During the quarter ended September 30, 2018 , the Company completed its audit by the Internal Revenue Service for federal income tax returns for the years ended December 31, 2014 and 2015, resulting in no material changes. The following state and local jurisdictions are currently examining our respective returns for the years indicated: New York State (2006 through 2014), and New York City (2006 through 2014). In particular, the Company disagrees with the proposed assessment dated December 12, 2016 from the State of New York and attended a conciliation conference with the New York State Department of Taxation and Finance Audit section on June 7, 2017. No settlement was reached at the conference and the proposed assessment was sustained. As such, in a revised letter dated November 30, 2017, the Company received from the State of New York a revised assessment related to tax years 2006-2009 for approximately $5,097 , inclusive of approximately $2,419 of interest. The Company has appealed the assessment with the New York State Division of Tax Appeals. On November 17, 2017, the Company was notified that the State of New York proposed an adjustment in the amount of approximately $3,906 for the years 2010 to 2014, inclusive of approximately $757 in interest. The Company is also under examination in New York City (2006 through 2014). New York City Department of Finance has proposed an audit change notice to the Company dated May 2, 2018, for the tax years ended December 31, 2006 through December 31, 2009 for proposed general corporation tax liability in the amount of $4,797 and $4,138 in interest. The Company has responded stating its disagreement to the proposed assessment and the Company has consented to extend such assessment period through September 31, 2019. The Company has not recorded a tax reserve related to these proposed assessments. It is difficult to predict the final outcome or timing of resolution of any particular matter regarding these examinations. An estimate of the reasonably possible changes to unrecognized tax benefits within the next 12 months cannot be made. In March 2018, Commonwealth of Massachusetts began an audit of state tax filing of the company for the state of Massachusetts for the 12 month periods ending December 31, 2014, 2015 and 2016. The Company has agreed to extend the assessment period for state of Massachusetts through March 31, 2019.

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2018
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies On February 7, 2007, in an action styled White Plains Plaza Realty, LLC v. TSI LLC et al., the landlord of one of TSI LLC’s former health and fitness clubs filed a lawsuit in the Appellate Division, Second Department of the Supreme Court of the State of New York against it and two of its health club subsidiaries alleging, among other things, breach of lease in connection with the decision to close the club located in a building owned by the plaintiff and leased to a subsidiary of TSI LLC, the tenant, and take additional space in a nearby facility leased by another subsidiary of TSI LLC. Following a determination of an initial award, which TSI LLC and the tenant have paid in full, the landlord appealed the trial court’s award of damages, and on August 29, 2011, an additional award (amounting to approximately $900 ) (the “Additional Award”), was entered against the tenant, which has recorded a liability. Separately, TSI LLC is party to an agreement with a third-party developer, which by its terms provides indemnification for the full amount of any liability of any nature arising out of the lease described above, including attorneys’ fees incurred to enforce the indemnity. As a result, the developer reimbursed TSI LLC and the tenant the amount of the initial award in installments over time and also agreed to be responsible for the payment of the Additional Award, and the tenant has recorded a receivable related to the indemnification for the Additional Award. The developer and the landlord are currently litigating the payment of the Additional Award and judgment was entered against the developer on June 5, 2013, in the amount of approximately $1,000 , plus interest, which judgment was upheld by the appellate court on April 29, 2015. TSI LLC does not believe it is probable that TSI LLC will be required to pay for any amount of the Additional Award. In addition to the litigation discussed above, the Company is involved in various other lawsuits, claims and proceedings incidental to the ordinary course of business, including personal injury, construction matters, employee and member relations, and Telephone Consumer Protection Act claims ( three of which purport to represent a class) and landlord tenant disputes. The results of litigation are inherently unpredictable. Any claims against the Company, whether meritorious or not, could be time consuming, result in costly litigation, require significant amounts of management time and result in diversion of significant resources. The results of these other lawsuits, claims and proceedings cannot be predicted with certainty. The Company establishes accruals for loss contingencies when it has determined that a loss is probable and that the amount of loss, or range of loss, can be reasonably estimated. Any such accruals are adjusted thereafter as appropriate to reflect changes in circumstances. The Company concluded that an accrual for any such matters is not required as of September 30, 2018 . The Company assigned its interest, and is contingently liable, under a real estate lease. This lease expires in 2020. As of September 30, 2018 , the undiscounted payments the Company could be required to make in the event of non-payment by the primary lessee was approximately $1,104 . The Company has not recorded a liability with respect to this guarantee obligation as of September 30, 2018 as it concluded that payment under this lease guarantee was not probable.

Subsequent Event

Subsequent Event	9 Months Ended
	Sep. 30, 2018
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event In October 2018, the Company entered into an agreement to acquire four existing clubs in the Boston region. In connection with this agreement, the Company deposited $1,000 into an escrow account in October 2018. The completion of the acquisition is subject to customary closing conditions. In the event this transaction does not close, by reason of the non-fulfillment of such conditions, the Company is entitled to reimbursement of the $1,000 deposit.

Recent Accounting Pronounceme_2

Recent Accounting Pronouncements (Policies)	9 Months Ended
	Sep. 30, 2018
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Recent Accounting Pronouncements	Recent Accounting Pronouncements In August 2018, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2018-15, “Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40), Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract”. This new guidance requires a customer in a cloud computing arrangement (i.e., hosting arrangement) that is a service contract to follow the internal-use software guidance in ASC 350-40 to determine which implementation costs to capitalize as assets or expense as incurred. Also, capitalized implementation costs related to a hosting arrangement that is a service contract will be amortized over the term of the hosting arrangement, beginning when the module or component of the hosting arrangement is ready for its intended use. This standard is effective for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. Early adoption of this standard is permitted. The Company is evaluating the impact of this standard on its financial statements. In August 2017, the FASB issued ASU No. 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities. The updated standard expands the range of transactions that qualify for hedge accounting. It also amends the presentation and disclosure requirements and changes how companies assess effectiveness. It is intended to more closely align hedge accounting with companies’ risk management strategies, simplify the application of hedge accounting, and increase the transparency as to the scope and results of hedging programs. This standard is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. The adoption of this guidance is not expected to have a material impact on the Company’s financial statements. In August 2016, the FASB issued ASU No. 2016-15, “Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments (A Consensus of the FASB Emerging Issues Task Force).” This ASU provides specific guidance over eight identified cash flow issues. This standard is effective for interim and annual periods beginning after December 15, 2017, and early adoption is permitted. The Company adopted the updated guidance for the fiscal year beginning January 1, 2018 with no material impact on the Company’s financial statements. In February 2016, the FASB issued ASU No. 2016-02, “Leases (Topic 842)”, which requires a lessee to recognize assets and liabilities on the balance sheet for leases with lease terms greater than 12 months, using a modified retrospective transition method. In July 2018, the FASB issued ASU No. 2018-10, “Codification Improvements to Topic 842, Leases” which updates narrow aspects of the guidance issued in ASU No. 2016-02. In July 2018, the FASB issued ASU No. 2018-11, “Leases (Topic 842): Targeted Improvements.” In issuing ASU No. 2018-11, the FASB is permitting another transition method for ASU 2016-02, which allows the transition to the new lease standard by recognizing a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. The Company is currently evaluating which transition approach it will elect. This guidance is effective for the Company in the first quarter of 2019. The Company is currently in the process of evaluating its existing lease portfolio, including accumulating all of the necessary information required to properly account for the leases under the new standard. Additionally, the Company is implementing an enterprise-wide lease management system to assist in the accounting and is evaluating additional changes to our processes and internal controls to ensure they meet the standard reporting and disclosure requirements. The Company expects the guidance to result in a significant increase in long-term assets and liabilities on its consolidated balance sheets at adoption due to the recording of right-of-use assets and corresponding lease liabilities. In May 2014, the FASB issued ASU No. 2014-09, “Revenue from Contracts with Customers” (Topic 606). On January 1, 2018, the Company adopted FASB Accounting Standards Codification (“ASC”) Topic 606 and all the related amendments (the “new revenue standard”) using the modified retrospective method. The Company recognized the cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings. The comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods. Refer to Note 3 - Revenue for further detail.
Revenue Recognition	Revenue Recognition Membership dues: The Company generally receives one-time non-refundable joining fees and monthly dues from its members. The Company also offers paid-in-full memberships giving members the option to pay their membership dues in advance. The Company offers both month-to-month and commit memberships. Members can cancel their membership with a fee charged to those members still under contract. Membership dues are recognized in the period in which access to the club is provided. The Company’s membership plans allow for club members to elect to pay a per visit fee to use non-home clubs. These usage fees are recorded to membership revenue in the month the usage occurs. Initiation and processing fees: Initiation and processing fees, as well as related direct and incremental expenses of membership acquisition, which may include sales commissions, bonuses and related taxes and benefits, are deferred and recognized, on a straight-line basis, in operations over the estimated average membership life or 12 months to the extent these costs are related to the first annual fee paid within one month of enrollment. Annual fees are amortized over 12 months. The estimated average membership life was 26 months for each of the three and nine months ended September 30, 2018 and the full-year of 2017 . The Company monitors factors that might affect the estimated average membership life including retention trends, attrition trends, membership sales volumes, membership composition, competition, and general economic conditions, and adjusts the estimate as necessary on an annual basis. Personal training revenue: The Company recognizes revenue from personal training sessions as the services are performed (i.e., when the session occurs). Unused personal training sessions expire after a set, disclosed period of time after purchase and are not refundable or redeemable by the member for cash. The Company had approximately $12,103 and $12,456 of unused and expired personal training sessions that had not been recognized as revenue and was recorded as deferred revenue as of September 30, 2018 and December 31, 2017 , respectively. The Company does not believe this amount is subject to the escheatment or abandoned property laws of any of the jurisdictions in which we conduct our business, including the State of New York. It is possible however, that one or more of these jurisdictions may not agree with the Company's position and may claim that the Company must remit all or a portion of these amounts to such jurisdiction. This could have a material adverse effect on the Company's cash flows. The State of New York has informed the Company that it is considering whether the Company is required to remit the amount received by the Company for unused, expired personal training sessions to the State of New York as unclaimed property. For a total of six jurisdictions, the Company has concluded, based on opinions from outside counsel that money held by a company for unused and expired personal training sessions are not escheatable. In the State of California, recently entered into by the Company through acquisition, unused personal training sessions do not expire and are not escheatable. In addition to the prepaid personal training sessions the Company also offers a personal training membership product which consists of single or multi-session packages ranging from four to 12 sessions per month. These sessions provided by the membership product are at a discount to our stand-alone session pricing and must be used in each respective month. Revenue related to this product is recognized in each respective month. Other ancillary club revenue: Other ancillary club revenue primarily consists of Sports Clubs for Kids, Small Group Training and racquet sports. Revenues are recognized as the services are performed. Fees and other revenue: Fees and other revenue primarily consist of rental income from third party tenants, marketing revenue related to third party marketing in the Company’s club locations, management fees related to clubs the Company manages but does not wholly-own and revenue related to laundry services. Revenue generated from fees and other revenue is generally recognized at the time the related contracted services are performed. The Company generates management fees from certain club facilities that are not wholly-owned, which include three and five managed sites as of September 30, 2018 and 2017 , respectively. Management fees earned for services rendered are recognized at the time the related services are performed. Revenue generated from managed sites was $115 and $367 for the three and nine months ended September 30, 2018 , respectively, compared to $173 and $760 for the three and nine months ended September 30, 2017 , respectively. When a revenue agreement involves multiple elements, such as sales of both memberships and services in one arrangement or potentially multiple arrangements, the entire fee from the arrangement is allocated to each respective element based on its relative fair value and recognized when the revenue recognition criteria for each element is met. In connection with advance receipt of fees or dues, the Company was required to maintain bonds totaling $3,196 and $2,658 as of September 30, 2018 and December 31, 2017 , respectively. Contract Liability The Company records deferred revenue when cash payments are received or due in advance of our performance. In the three and nine months ended September 30, 2018 , the Company recognized revenue of $3,274 and $19,630 that was included in the deferred revenue balance as of December 31, 2017 .
Derivative Financial Instruments	When the Company’s derivative instrument was executed, hedge accounting was deemed appropriate and it was designated as a cash flow hedge at inception with re-designation being permitted under ASC 815, Derivatives and Hedging. Interest rate swaps were designated as cash flow hedges for accounting purposes since they were being used to transform variable interest rate exposure to fixed interest rate exposure on a recognized liability (debt). The Company performed a quarterly assessment of the hedge effectiveness of the hedge relationship and measured and recognized any hedge ineffectiveness in the condensed consolidated statements of operations. For the three and nine months ended September 30, 2018 (through May 15, 2018, the maturity date) and 2017 , hedge ineffectiveness was evaluated using the hypothetical derivative method and there was no hedge ineffectiveness noted. Accounting guidance on fair value measurements specified a hierarchy of valuation techniques based on whether the inputs to those valuation techniques were observable or unobservable. Observable inputs reflected market data obtained from independent sources, while unobservable inputs reflected the Company’s market assumptions. These two types of inputs created the following fair value hierarchy: • Level 1—Quoted prices for identical instruments in active markets. • Level 2—Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that were not active; and model-derived valuations in which all significant inputs and significant value drivers were observable in active markets. • Level 3—Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers were unobservable . This hierarchy required the Company to use observable market data, when available, and to minimize the use of unobservable inputs when determining fair value. The fair value for the Company’s interest rate swap was determined using observable current market information such as the prevailing Eurodollar interest rate and Eurodollar yield curve rates and include consideration of counterparty credit risk.
Goodwill and Other Intangibles	The Company’s annual goodwill impairment tests as of August 1, 2018 and February 28, 2018 were performed by comparing the fair value of the Company’s reporting unit with its carrying amount and then recognizing an impairment charge, as necessary, for the amount by which the carrying amount exceeds the reporting unit’s fair value, not to exceed the total amount of goodwill allocated to that reporting unit. The estimated fair value was determined by using an income approach. The income approach was based on discounted future cash flows and required significant assumptions, including estimates regarding revenue growth rates, operating margins, weighted average cost of capital, and future economic and market conditions. The August 1, 2018 and February 28, 2018 annual impairment tests supported the goodwill balance and as such, no impairment of goodwill was required.

Basis of Presentation (Tables)

Basis of Presentation (Tables)	9 Months Ended
	Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of Number of Clubs	Brand Count Region New York Sports Clubs (1) 99 New York Metropolitan Lucille Roberts (1) 16 New York Metropolitan TMPL (1) 1 New York Metropolitan Boston Sports Clubs 29 Boston Metropolitan Washington Sports Clubs 10 Washington, D.C. Metropolitan Philadelphia Sports Clubs 5 Philadelphia Metropolitan Total Woman Gym and Spa 12 California Palm Beach Sports Clubs 4 Florida LIV Fitness 2 Puerto Rico Local brands 3 Switzerland 181 (1) The Manhattan region included 36 New York Sports Clubs, two Lucille Roberts clubs and one TMPL club.

Revenue (Tables)

Revenue (Tables)	9 Months Ended
	Sep. 30, 2018
Revenue Recognition and Deferred Revenue [Abstract]
Impact of ASC 606	In accordance with the new revenue standard requirements, the disclosure of the impact of adoption on our condensed consolidated balance sheet and statements of operations was as follows: As of September 30, 2018 Balances Without Effect of Change Balance Sheet As Reported Adoption of ASC 606 Increase/(Decrease) Asset Deferred membership costs $ 2,313 $ 659 $ 1,654 Equity Accumulated deficit $ (75,505 ) $ (77,159 ) $ 1,654 Three Months Ended September 30, 2018 Nine Months Ended September 30, 2018 Balances Without Effect of Change Balances Without Effect of Change As Reported Adoption of ASC 606 Increase/ As Reported Adoption of ASC 606 Increase/ Expenses Payroll and related 42,108 42,031 77 123,978 124,028 (50 )
Disaggregation of Revenue	The following table presents our revenue by type: Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Membership dues $ 84,162 $ 76,454 $ 251,992 $ 228,362 Initiation and processing fees 337 371 1,006 1,953 Membership revenue 84,499 76,825 252,998 230,315 Personal training revenue 18,019 15,587 55,451 49,256 Other ancillary club revenue 6,191 4,610 16,982 13,514 Ancillary club revenue 24,210 20,197 72,433 62,770 Fees and other revenue 1,464 1,619 4,182 4,629 Total revenue $ 110,173 $ 98,641 $ 329,613 $ 297,714

Long-Term Debt (Tables)

Long-Term Debt (Tables)	9 Months Ended
	Sep. 30, 2018
Debt Disclosure [Abstract]
Summary of Long-Term Debt	September 30, 2018 December 31, 2017 2013 Term Loan Facility outstanding principal balance $ 198,356 $ 199,918 Capital lease liabilities 2,339 160 Less: Unamortized discount (2,184 ) (2,912 ) Less: Deferred financing costs (719 ) (977 ) Less: Current portion due within one year (12,705 ) (2,242 ) Long-term portion $ 185,087 $ 193,947

Derivative Financial Instrume_2

Derivative Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Aggregate Fair Value of Derivative Financial Instrument	The following table presents the aggregate fair value of the Company’s derivative financial instrument: Fair Value Measurements Using: Total Quoted Prices in Significant Other Significant Interest rate swap liability as of September 30, 2018 $ — $ — $ — $ — Interest rate swap liability as of December 31, 2017 $ 184 $ — $ 184 $ —

Earnings (Loss) Per Share (Tabl

Earnings (Loss) Per Share (Tables)	9 Months Ended
	Sep. 30, 2018
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Weighted average number of common shares outstanding — basic 25,849,800 25,245,262 25,801,480 25,176,035 Effect of dilutive share based awards — — — — Weighted average number of common shares outstanding — diluted 25,849,800 25,245,262 25,801,480 25,176,035 Loss per share: Basic $ (0.15 ) $ (0.53 ) $ (0.09 ) $ (0.66 ) Diluted $ (0.15 ) $ (0.53 ) $ (0.09 ) $ (0.66 )
Schedule of Error Corrections and Prior Period Adjustments	The effects of the revision had the following impacts for the respective periods: Twelve Months Ended December 31, 2016 (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 25,568,371 (863,279 ) 24,705,092 Effect of dilutive share based awards 506,364 — 506,364 Weighted average number of common shares outstanding — diluted 26,074,735 (863,279 ) 25,211,456 Earnings per share: Basic $ 0.31 $ 0.02 $ 0.33 Diluted $ 0.31 $ 0.01 $ 0.32 Three Months Ended March 31, 2017 (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 26,610,215 (1,567,892 ) 25,042,323 Effect of dilutive share based awards — — — Weighted average number of common shares outstanding — diluted 26,610,215 (1,567,892 ) 25,042,323 Loss per share: Basic $ (0.11 ) $ (0.01 ) $ (0.12 ) Diluted $ (0.11 ) $ (0.01 ) $ (0.12 ) Three Months Ended June 30, 2017 Six Months Ended June 30, 2017 (As Reported) (Adjustment) (As Revised) (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 26,692,919 (1,454,628 ) 25,238,291 26,651,796 (1,510,948 ) 25,140,848 Effect of dilutive share based awards — — — — — — Weighted average number of common shares outstanding — diluted 26,692,919 (1,454,628 ) 25,238,291 26,651,796 (1,510,948 ) 25,140,848 Loss per share: Basic $ (0.02 ) $ — $ (0.02 ) $ (0.13 ) $ — $ (0.13 ) Diluted $ (0.02 ) $ — $ (0.02 ) $ (0.13 ) $ — $ (0.13 ) Three Months Ended September 30, 2017 Nine Months Ended September 30, 2017 (As Reported) (Adjustment) (As Revised) (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 26,683,425 (1,438,163 ) 25,245,262 26,662,455 (1,486,420 ) 25,176,035 Effect of dilutive share based awards — — — — — — Weighted average number of common shares outstanding — diluted 26,683,425 (1,438,163 ) 25,245,262 26,662,455 (1,486,420 ) 25,176,035 Loss per share: Basic $ (0.50 ) $ (0.03 ) $ (0.53 ) $ (0.62 ) $ (0.04 ) $ (0.66 ) Diluted $ (0.50 ) $ (0.03 ) $ (0.53 ) $ (0.62 ) $ (0.04 ) $ (0.66 ) Three Months Ended December 31, 2017 Twelve Months Ended December 31, 2017 (As Reported) (Adjustment) (As Revised) (As Reported) (Adjustment) (As Revised) Weighted average number of common shares outstanding — basic 26,825,605 (1,437,003 ) 25,388,602 26,703,577 (1,473,963 ) 25,229,614 Effect of dilutive share based awards 637,107 — 637,107 719,256 — 719,256 Weighted average number of common shares outstanding — diluted 27,462,712 (1,437,003 ) 26,025,709 27,422,833 (1,473,963 ) 25,948,870 Earnings per share: Basic $ 0.78 $ 0.05 $ 0.83 $ 0.16 $ 0.01 $ 0.17 Diluted $ 0.76 $ 0.05 $ 0.81 $ 0.16 $ 0.01 $ 0.17

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	9 Months Ended
	Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Employee Stock Purchase Plan Valuation Assumptions	It was estimated by applying the Black-Scholes option-pricing model to the purchase period in the offering period using the following assumptions: September 17, 2018 Grant price $ 8.25 Expected term 3 months Expected volatility 64.24 % Risk-free interest rate 2.14 % Expected dividend yield — %

Goodwill and Other Intangibles

Goodwill and Other Intangibles (Tables)	9 Months Ended
	Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill	The changes in the carrying amount of goodwill from December 31, 2017 through September 30, 2018 are detailed in the chart below: New York Boston California Florida Puerto Rico Switzerland Outlier Total Goodwill $ 36,707 $ 15,775 $ — $ — $ — $ 1,175 $ 3,982 $ 57,639 Changes due to foreign currency exchange rate fluctuations — — — — — (116 ) — (116 ) Less: accumulated impairment of goodwill (31,549 ) (15,775 ) — — — — (3,982 ) (51,306 ) Balance as of December 31, 2017 5,158 — — — — 1,059 — 6,217 Acquired goodwill (Refer to Note 13 - Acquisitions) 2,025 768 1,584 1,991 2,187 — — 8,555 Changes due to foreign currency exchange rate fluctuations — — — (3 ) — (3 ) Balance as of September 30, 2018 $ 7,183 $ 768 $ 1,584 $ 1,991 $ 2,187 $ 1,056 $ — $ 14,769
Schedule of Finite Lived Intangible Assets	Intangible assets are as follows: As of September 30, 2018 As of December 31, 2017 Gross Carrying Accumulated Net Intangible Gross Carrying Accumulated Net Intangible Membership lists $ 14,313 $ (12,430 ) $ 1,883 $ 12,744 $ (11,577 ) $ 1,167 Favorable lease commitment 2,390 (467 ) 1,923 2,350 (136 ) 2,214 Non-compete agreement 1,620 (210 ) 1,410 900 — 900 Trade names 2,802 (213 ) 2,589 900 (47 ) 853 $ 21,125 $ (13,320 ) $ 7,805 $ 16,894 $ (11,760 ) $ 5,134

Acquisitions (Tables)

Acquisitions (Tables)	9 Months Ended
	Sep. 30, 2018
Business Combinations [Abstract]
Schedule of Net Assets Acquired	The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. September 2018 Allocation of purchase price: Fixed assets $ 2,134 Goodwill 2,187 Definite lived intangible assets: Membership list 480 Trade name 340 Non-compete agreement 320 Unfavorable lease commitment (400 ) Deferred revenue (131 ) Total allocation of purchase price $ 4,930 The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. August 2018 Allocation of purchase price: Fixed assets $ 5,968 Goodwill 1,991 Definite lived intangible assets: Membership list 288 Amount due to seller, net (610 ) Deferred revenue (587 ) Non-controlling interest (353 ) Total allocation of purchase price $ 6,697 The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. January 2018 Allocation of purchase price: Fixed assets $ 982 Goodwill 768 Definite lived intangible assets: Membership list 600 Non-compete agreement 400 Working capital assets 130 Deferred revenue (14 ) Total allocation of purchase price $ 2,866 The following table summarizes the allocation of the purchase price to the fair value of the assets and liabilities acquired. The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. December 2017 (as adjusted) Allocation of purchase price: Fixed assets $ 5,195 Goodwill 1,376 Definite lived intangible assets: Non-compete agreement 900 Trade name 200 Deferred revenue (1,511 ) Capital lease liability (160 ) Other liabilities (75 ) Total allocation of purchase price $ 5,925 The following table summarizes an estimated allocation of the purchase price of the assets and liabilities acquired. September 2018 Allocation of purchase price: Fixed assets $ 237 Goodwill 593 Capital lease liabilities (69 ) Other assets and liabilities assumed, net (280 ) Deferred revenue (258 ) Non-controlling interest (106 ) Total allocation of purchase price $ 117 The purchase price allocation presented below has been prepared on a preliminary basis and changes to the preliminary purchase price allocations may occur as additional information concerning asset and liability valuations are finalized. April 2018 (as adjusted) Allocation of purchase price: Fixed assets $ 8,064 Goodwill 1,584 Definite lived intangible assets: Favorable lease commitment 440 Trade name 1,562 Working capital, net 161 Deferred revenue (4,546 ) Total allocation of purchase price $ 7,265 The following table summarizes the allocation of the purchase price to the fair value of the assets and liabilities acquired. September 2017 (as adjusted) Allocation of purchase price: Fixed assets $ 1,024 Goodwill 5,214 Definite lived intangible assets: Membership lists 1,400 Trade names 700 Favorable lease commitment 2,350 Deferred revenue (1,238 ) Total allocation of purchase price $ 9,450
Unaudited Pro Forma Results	The following table provides the Company’s consolidated unaudited pro forma revenues, net income and net income per basic and diluted common share had the results of the acquired businesses’ operations been included in its operations commencing on January 1, 2017, based on available information related to the respective operations. This pro forma information is not necessarily indicative either of the combined results of operations that actually would have been realized by the Company had the acquisitions been consummated at the beginning of the period for which the pro forma information is presented, or of future results and does not account for any operational improvements to be made by the Company post-acquisition. Three Months Ended September 30, Nine Months Ended September 30, 2018 2017 2018 2017 Revenue $ 114,184 $ 115,005 $ 348,132 $ 349,140 Net loss $ (4,223 ) $ (12,394 ) $ (2,166 ) $ (16,620 ) Loss per share: Basic $ (0.16 ) $ (0.52 ) $ (0.09 ) $ (0.66 ) Diluted $ (0.16 ) $ (0.52 ) $ (0.09 ) $ (0.66 )

Basis of Presentation - Narrati

Basis of Presentation - Narrative (Details)	9 Months Ended
	Sep. 30, 2018clubregionsegment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of clubs | club	181
Number of reportable segments | segment	1
Number of regions in which entity operates | region	8

Basis of Presentation - Number

Basis of Presentation - Number of Clubs (Details) - club	Sep. 30, 2018	Sep. 30, 2017
Basis Of Presentation [Line Items]
Number of clubs	181
New York Sports Clubs [Member] | New York [Member]
Basis Of Presentation [Line Items]
Number of clubs	99
New York Sports Clubs [Member] | Manhattan [Member]
Basis Of Presentation [Line Items]
Number of clubs	36
Lucille Roberts Health Clubs [Member] | New York [Member]
Basis Of Presentation [Line Items]
Number of clubs	16	16
Lucille Roberts Health Clubs [Member] | Manhattan [Member]
Basis Of Presentation [Line Items]
Number of clubs	2
TMPL Sports Clubs [Member] | New York [Member]
Basis Of Presentation [Line Items]
Number of clubs	1
TMPL Sports Clubs [Member] | Manhattan [Member]
Basis Of Presentation [Line Items]
Number of clubs	1
Boston Sports Clubs [Member] | Boston [Member]
Basis Of Presentation [Line Items]
Number of clubs	29
Washington Sports Clubs [Member] | Washington, D.C. [Member]
Basis Of Presentation [Line Items]
Number of clubs	10
Philadelphia Sports Clubs [Member] | Philadelphia [Member]
Basis Of Presentation [Line Items]
Number of clubs	5
Total Woman [Member] | California [Member]
Basis Of Presentation [Line Items]
Number of clubs	12
Palm Beach Sports Clubs [Member] | Florida [Member]
Basis Of Presentation [Line Items]
Number of clubs	4
LIV Fitness [Member] | Puerto Rico [Member]
Basis Of Presentation [Line Items]
Number of clubs	2
Local brands [Member] | Switzerland [Member]
Basis Of Presentation [Line Items]
Number of clubs	3

Revenue - Narrative (Details)

Revenue - Narrative (Details) $ in Thousands	Jan. 01, 2018USD ($)	Jan. 31, 2018	Sep. 30, 2017club	Sep. 30, 2018USD ($)club	Sep. 30, 2017USD ($)club	Sep. 30, 2018USD ($)jurisdictionclubsession	Sep. 30, 2017USD ($)club	Dec. 31, 2017USD ($)
Disaggregation of Revenue [Line Items]
Average member life		26 months	26 months	26 months		26 months		26 months
Deferred revenue				$ 39,335		$ 39,335		$ 33,473
Number of clubs | club				181		181
Revenues				$ 110,173	$ 98,641	$ 329,613	$ 297,714
Bonds outstanding pursuant to various state consumer protection laws						3,196		2,658
Deferred revenue recognized				3,274		$ 19,630
Minimum [Member]
Disaggregation of Revenue [Line Items]
Number of personal training sessions per month | session						4
Maximum [Member]
Disaggregation of Revenue [Line Items]
Number of personal training sessions per month | session						12
Initiation and Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Deferred revenue, amortization period						12 months
Revenues				337	371	$ 1,006	1,953
Personal Training Revenue [Member]
Disaggregation of Revenue [Line Items]
Deferred revenue				12,103		$ 12,103		$ 12,456
Number of jurisdictions in which expired sessions are not escheatable | jurisdiction						6
Revenues				$ 18,019	$ 15,587	$ 55,451	$ 49,256
Management Fees [Member] | Investee [Member] | Managed Sites [Member]
Disaggregation of Revenue [Line Items]
Number of clubs | club			5	3	5	3	5
Revenues				$ 115	$ 173	$ 367	$ 760
Accounting Standards Update 2014-09 [Member]
Disaggregation of Revenue [Line Items]
Cumulative effect on retained earnings	$ 1,604

Revenue - Impact of ASC 606 (De

Revenue - Impact of ASC 606 (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Asset
Deferred membership costs	$ 2,313		$ 2,313		$ 959
Equity
Accumulated deficit	(75,505)		(75,505)		$ (74,893)
Expenses
Payroll and related	42,108	$ 37,072	123,978	$ 111,515
Balances without adoption of ASC 606 [Member]
Asset
Deferred membership costs	659		659
Equity
Accumulated deficit	(77,159)		(77,159)
Expenses
Payroll and related	42,031		124,028
Accounting Standards Update 2014-09 [Member] | Effect of change Increase/(Decrease) [Member]
Asset
Deferred membership costs	1,654		1,654
Equity
Accumulated deficit	1,654		1,654
Expenses
Payroll and related	$ 77		$ (50)

Revenue - Disaggregation of Rev

Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 110,173	$ 98,641	$ 329,613	$ 297,714
Membership Dues [Member]
Disaggregation of Revenue [Line Items]
Revenues	84,162	76,454	251,992	228,362
Initiation and Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenues	337	371	1,006	1,953
Membership Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	84,499	76,825	252,998	230,315
Personal Training Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	18,019	15,587	55,451	49,256
Other Ancillary Club Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	6,191	4,610	16,982	13,514
Ancillary Club Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	24,210	20,197	72,433	62,770
Fees and other
Disaggregation of Revenue [Line Items]
Revenues	$ 1,464	$ 1,619	$ 4,182	$ 4,629

Long-Term Debt - Schedule of Lo

Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017	Nov. 15, 2013
Debt Instrument [Line Items]
Capital lease liabilities	$ 2,339,000	$ 160,000
Less: Unamortized discount	(2,184,000)	(2,912,000)
Less: Deferred financing costs	(719,000)	(977,000)
Less: Current portion due within one year	(12,705,000)	(2,242,000)
Long-term portion	185,087,000	193,947,000
Secured Debt [Member] | 2013 Term Loan Facility [Member]
Debt Instrument [Line Items]
2013 Term Loan Facility outstanding principal balance	$ 198,356,000	$ 199,918,000	$ 325,000,000
Less: Unamortized discount			$ (1,625,000)

Long-Term Debt - Additional Inf

Long-Term Debt - Additional Information (Details)	Nov. 15, 2013USD ($)	Oct. 31, 2017USD ($)	May 31, 2017USD ($)	Sep. 30, 2018USD ($)	Sep. 30, 2017USD ($)	Dec. 31, 2017USD ($)
Debt Instrument [Line Items]
Proceeds from 2013 Term Loan Facility				$ 5,530,000	$ 0
Debt, unamortized discount				2,184,000		$ 2,912,000
Debt instrument, face amount			$ 5,000,000
Debt instrument, periodic payment, percentage of principal			1.00%
Debt instrument, periodic payment of principal			$ 50,000
Dividends paid		$ 35,000,000
TSI Group [Member]
Debt Instrument [Line Items]
Cash				3,732,000
LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			9.55%
2013 Senior Credit Facility [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 370,000,000
Outstanding principal balance				$ 0
Maximum percentage available on line of credit due to exceeded maximum leverage ratio				25.00%
Covenant compliance, expected excess cash flow				$ 20,000,000
Covenant compliance, principal payment due to expected excess cash flow				$ 10,000,000
Threshold from sale of assets used towards mandatory prepayments	$ 30,000,000
2013 Senior Credit Facility [Member] | Line of Credit [Member] | Leverage Ratio, Greater Than 2.50 [Member]
Debt Instrument [Line Items]
Maximum leverage ratio				2.5
Excess cash flow repayment, percentage				50.00%
2013 Senior Credit Facility [Member] | Line of Credit [Member] | Leverage Ratio, Greater than 2.00 but Less than 2.50 [Member]
Debt Instrument [Line Items]
Maximum leverage ratio				2
Excess cash flow repayment, percentage				25.00%
2013 Senior Credit Facility [Member] | Line of Credit [Member] | Leverage Ratio, Less Than or Equal to 2.00 [Member]
Debt Instrument [Line Items]
Excess cash flow repayment, percentage				0.00%
2013 Senior Credit Facility [Member] | Line of Credit [Member] | Leverage Ratio, Dividend Payment [Member]
Debt Instrument [Line Items]
Maximum leverage ratio				4
2013 Senior Credit Facility [Member] | Line of Credit [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
2013 Senior Credit Facility [Member] | Line of Credit [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	3.50%
2013 Senior Credit Facility [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt, unamortized discount	$ 4,356,000
Debt issuance costs	5,119,000
2013 Senior Credit Facility [Member] | Letter of Credit [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	5,500,000
2013 Term Loan Facility [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Outstanding principal balance	325,000,000			$ 198,356,000		199,918,000
Proceeds from 2013 Term Loan Facility	$ 323,375,000
Debt instrument, discount percentage	0.50%
Debt, unamortized discount	$ 1,625,000
Percent of amendment fee paid to consenting lenders				0.25%
Principal payment on Term Loan Facility				$ 25,663,000
Term after which excess cash flow is paid (in days)				95 days
Long term debt, gross less unamortized discount and debt issuance costs				$ 195,453,000
Unamortized debt issuance costs				719,000
2013 Term Loan Facility [Member] | Secured Debt [Member] | Level 2 [Member]
Debt Instrument [Line Items]
Fair market value of debt				$ 195,381,000		$ 188,173,000
2013 Term Loan Facility [Member] | Secured Debt [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Variable rate floor	2.00%
2013 Term Loan Facility [Member] | Secured Debt [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Variable rate floor	1.00%
2013 Revolving Loan Facility [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 45,000,000
Maximum leverage ratio				4.50
Available portion currently available revolving facility				$ 11,250,000
Unutilized portion of the 2013 Revolving Loan Facility				40,567,000
2013 Revolving Loan Facility [Member] | Letter of Credit [Member]
Debt Instrument [Line Items]
Letters of credit outstanding				$ 4,433,000

Mortgage and Term Loan (Details

Mortgage and Term Loan (Details)	Aug. 03, 2018USD ($)payment	Apr. 24, 2018USD ($)payment	May 31, 2017USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount			$ 5,000,000
TSI - Donald Ross Realty LLC Mortgage [Member] | Mortgage Loan Facility [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 3,150,000
Debt instrument, stated interest rate	5.36%
Debt instrument, number of monthly payments | payment	120
Debt instrument, term	25 years
Dixie Highway Realty Mortgage [Member]
Debt Instrument [Line Items]
Minimum required cash balance, operating account		$ 500,000
Dixie Highway Realty Mortgage [Member] | Mortgage Loan Facility [Member]
Debt Instrument [Line Items]
Debt instrument, face amount		$ 1,880,000
Debt instrument, stated interest rate		5.46%
Debt instrument, number of monthly payments | payment		120
Debt instrument, term		25 years
Dixie Highway Realty Mortgage [Member] | Term Loan [Member]
Debt Instrument [Line Items]
Debt instrument, face amount		$ 500,000
Debt instrument, stated interest rate		5.30%
Debt instrument, number of monthly payments | payment		60

Derivative Financial Instrume_3

Derivative Financial Instruments (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Nov. 15, 2013
Credit Derivatives [Line Items]
Hedge ineffectiveness	$ 0	$ 0	$ 0	$ 0
Interest rate swap liability	0		0		$ 184,000
Gain recognized in other comprehensive income					104,000
November 2013 Agreement [Member]
Credit Derivatives [Line Items]
Notional amount of interest rate swap						$ 160,000,000
Amount of current outstanding principal converted						$ 160,000,000
Fixed rate of derivative						0.884%
Derivative, basis spread on variable rate						3.50%
Derivative floor interest rate						1.00%
Level 1 [Member]
Credit Derivatives [Line Items]
Interest rate swap liability	0		0		0
Level 2 [Member]
Credit Derivatives [Line Items]
Interest rate swap liability	0		0		184,000
Level 3 [Member]
Credit Derivatives [Line Items]
Interest rate swap liability	$ 0		$ 0		$ 0

Related Party (Details)

Related Party (Details) - Firm [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	May 01, 2017
Related Party Transaction [Line Items]
Legal fees	$ 67	$ 67	$ 201	$ 119
Firm Retainer [Member]
Related Party Transaction [Line Items]
Monthly retainer fee payable					$ 21

Concentration of Credit Risk (D

Concentration of Credit Risk (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018USD ($)financial_institution	Dec. 31, 2017USD ($)	Sep. 30, 2017USD ($)	Dec. 31, 2016USD ($)
Risks and Uncertainties [Abstract]
Number of financial institutions with cash deposits held (more than 1) | financial_institution	1
Cash and cash equivalents held at one financial institution	$ 35,176
Cash and cash equivalents	$ 50,327	$ 30,321	$ 59,294	$ 45,596

Earnings (Loss) Per Share (Deta

Earnings (Loss) Per Share (Details) - $ / shares	3 Months Ended					6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Weighted average number of common shares outstanding — basic (in shares)	25,849,800	25,388,602	25,245,262	25,238,291	25,042,323	25,140,848	25,801,480	25,176,035	25,229,614	24,705,092
Effect of dilutive share based awards (in shares)	0	637,107	0	0	0	0	0	0	719,256	506,364
Weighted average number of common shares outstanding — diluted (in shares)	25,849,800	26,025,709	25,245,262	25,238,291	25,042,323	25,140,848	25,801,480	25,176,035	25,948,870	25,211,456
Loss per share:
Basic (in dollars per share)	$ (0.15)	$ 0.83	$ (0.53)	$ (0.02)	$ (0.12)	$ (0.13)	$ (0.09)	$ (0.66)	$ 0.17	$ 0.33
Diluted (in dollars per share)	$ (0.15)	$ 0.81	$ (0.53)	$ (0.02)	$ (0.12)	$ (0.13)	$ (0.09)	$ (0.66)	$ 0.17	$ 0.32
Antidilutive shares (in shares)	0		19,022				0	37,811
As Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Weighted average number of common shares outstanding — basic (in shares)		26,825,605	26,683,425	26,692,919	26,610,215	26,651,796		26,662,455	26,703,577	25,568,371
Effect of dilutive share based awards (in shares)		637,107	0	0	0	0		0	719,256	506,364
Weighted average number of common shares outstanding — diluted (in shares)		27,462,712	26,683,425	26,692,919	26,610,215	26,651,796		26,662,455	27,422,833	26,074,735
Loss per share:
Basic (in dollars per share)		$ 0.78	$ (0.50)	$ (0.02)	$ (0.11)	$ (0.13)		$ (0.62)	$ 0.16	$ 0.31
Diluted (in dollars per share)		$ 0.76	$ (0.50)	$ (0.02)	$ (0.11)	$ (0.13)		$ (0.62)	$ 0.16	$ 0.31
Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Weighted average number of common shares outstanding — basic (in shares)		(1,437,003)	(1,438,163)	(1,454,628)	(1,567,892)	(1,510,948)		(1,486,420)	(1,473,963)	(863,279)
Effect of dilutive share based awards (in shares)		0	0	0	0	0		0	0	0
Weighted average number of common shares outstanding — diluted (in shares)		(1,437,003)	(1,438,163)	(1,454,628)	(1,567,892)	(1,510,948)		(1,486,420)	(1,473,963)	(863,279)
Loss per share:
Basic (in dollars per share)		$ 0.05	$ (0.03)	$ 0	$ (0.01)	$ 0		$ (0.04)	$ 0.01	$ 0.02
Diluted (in dollars per share)		$ 0.05	$ (0.03)	$ 0	$ (0.01)	$ 0		$ (0.04)	$ 0.01	$ 0.01

Stock-Based Compensation - Addi

Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended	9 Months Ended
	May 31, 2017	May 31, 2016	Sep. 30, 2018	Sep. 30, 2018	Jun. 15, 2018	Apr. 30, 2015
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized					800,000
Shares available to be issued			796,640	796,640
Share-based compensation expense			$ 9	$ 11
2006 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized	6,500,000	4,500,000				3,500,000
Additional shares authorized	2,000,000	1,000,000
Expiration period (in years)				10 years
Shares available to be issued			2,074,040	2,074,040
Stock options outstanding (in shares)			30,147	30,147
Shares of restricted stock outstanding			1,260,292	1,260,292

Stock-Based Compensation - Stoc

Stock-Based Compensation - Stock Option Awards (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 0	$ 5,000		$ 15,000
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 9,000		$ 11,000

Stock-Based Compensation - Rest

Stock-Based Compensation - Restricted Stock Awards (Details) - Restricted Stock [Member] - USD ($) $ / shares in Units, $ in Thousands	Feb. 01, 2018	Mar. 08, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock issued (shares)	13,115
Fair value per share of restricted stock awards (in dollars per share)	$ 6.10
Award vesting period (in years)	3 years
Share-based compensation expense			$ 548	$ 379	$ 1,710	$ 1,083
Reduction in share-based compensation expense			21	$ 21	48	$ 164
Unrecognized compensation expense			$ 3,317		$ 3,317
Unrecognized compensation expense, weighted-average period of recognition (in years)					1 year 9 months
First Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage		33.33%
Second Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage		33.33%
Third Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage		33.33%

Stock-Based Compensation - St_2

Stock-Based Compensation - Stock Grants (Details) - Common Stock Grants [Member] - USD ($) $ / shares in Units, $ in Thousands	Feb. 01, 2018	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares (in shares)	52,460
Price per share (in dollars per share)	$ 6.1
Share-based compensation expense		$ 320	$ 368

Stock-Based Compensation - Mana

Stock-Based Compensation - Management Stock Purchase Plan (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Management Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 0	$ 0	$ 0	$ 0
Maximum cash compensation allowed towards purchase of stock, percent			20.00%
Maximum cash compensation allowed towards purchase of stock, amount			$ 200,000
Requisite service period			2 years
2006 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of shares granted as a result of satisfying requisite period			50.00%

Stock-Based Compensation - Empl

Stock-Based Compensation - Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plan [Member] - USD ($) $ / shares in Units, $ in Thousands	Sep. 17, 2018	Jun. 15, 2018	Sep. 30, 2018	Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		800,000
Purchase price of common stock, percent		85.00%
Shares available to be issued			796,640	796,640
Share-based compensation expense			$ 9	$ 11
Grant price (in dollars per share)	$ 8.25
Expected term	3 months
Expected volatility	64.24%
Risk-free interest rate	2.14%
Expected dividend yield	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 2.30

Fixed Asset impairment (Details

Fixed Asset impairment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Property, Plant and Equipment [Abstract]
Impairment of fixed assets	$ 2,082	$ 6,497	$ 2,082	$ 6,497

Goodwill and Other Intangible_2

Goodwill and Other Intangibles - Additional Information (Details)	Feb. 28, 2018USD ($)	Sep. 30, 2018USD ($)club	Sep. 30, 2017USD ($)	Sep. 30, 2018USD ($)club	Sep. 30, 2017USD ($)
Goodwill [Line Items]
Impairment of goodwill | $	$ 0
Intangible asset amortization expense | $		$ 527,000	$ 123,000	$ 1,561,000	$ 135,000
Number of clubs | club		181		181
Existing Clubs In New York Metropolitan Region [Member]
Goodwill [Line Items]
Number of clubs | club		2		2

Goodwill and Other Intangible_3

Goodwill and Other Intangibles - Change in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Goodwill [Line Items]
Goodwill		$ 57,639
Changes due to foreign currency exchange rate fluctuations	$ (3)	(116)
Less: accumulated impairment of goodwill		(51,306)
Goodwill [Roll Forward]
Goodwill, beginning balance	6,217
Acquired goodwill (Refer to Note 13 - Acquisitions)	8,555
Changes due to foreign currency exchange rate fluctuations	(3)	(116)
Goodwill, ending balance	14,769	6,217
New York [Member]
Goodwill [Line Items]
Goodwill		36,707
Changes due to foreign currency exchange rate fluctuations	0	0
Less: accumulated impairment of goodwill		(31,549)
Goodwill [Roll Forward]
Goodwill, beginning balance	5,158
Acquired goodwill (Refer to Note 13 - Acquisitions)	2,025
Changes due to foreign currency exchange rate fluctuations	0	0
Goodwill, ending balance	7,183	5,158
Boston [Member]
Goodwill [Line Items]
Goodwill		15,775
Changes due to foreign currency exchange rate fluctuations	0	0
Less: accumulated impairment of goodwill		(15,775)
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquired goodwill (Refer to Note 13 - Acquisitions)	768
Changes due to foreign currency exchange rate fluctuations	0	0
Goodwill, ending balance	768	0
California [Member]
Goodwill [Line Items]
Goodwill		0
Changes due to foreign currency exchange rate fluctuations	0	0
Less: accumulated impairment of goodwill		0
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquired goodwill (Refer to Note 13 - Acquisitions)	1,584
Changes due to foreign currency exchange rate fluctuations	0	0
Goodwill, ending balance	1,584	0
Florida [Member]
Goodwill [Line Items]
Goodwill		0
Changes due to foreign currency exchange rate fluctuations		0
Less: accumulated impairment of goodwill		0
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquired goodwill (Refer to Note 13 - Acquisitions)	1,991
Changes due to foreign currency exchange rate fluctuations		0
Goodwill, ending balance	1,991	0
Puerto Rico [Member]
Goodwill [Line Items]
Goodwill		0
Changes due to foreign currency exchange rate fluctuations		0
Less: accumulated impairment of goodwill		0
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquired goodwill (Refer to Note 13 - Acquisitions)	2,187
Changes due to foreign currency exchange rate fluctuations		0
Goodwill, ending balance	2,187	0
Switzerland [Member]
Goodwill [Line Items]
Goodwill		1,175
Changes due to foreign currency exchange rate fluctuations	(3)	(116)
Less: accumulated impairment of goodwill		0
Goodwill [Roll Forward]
Goodwill, beginning balance	1,059
Acquired goodwill (Refer to Note 13 - Acquisitions)	0
Changes due to foreign currency exchange rate fluctuations	(3)	(116)
Goodwill, ending balance	1,056	1,059
Outlier Clubs [Member]
Goodwill [Line Items]
Goodwill		3,982
Changes due to foreign currency exchange rate fluctuations	0	0
Less: accumulated impairment of goodwill		(3,982)
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Acquired goodwill (Refer to Note 13 - Acquisitions)	0
Changes due to foreign currency exchange rate fluctuations	0	0
Goodwill, ending balance	$ 0	$ 0

Goodwill and Other Intangible_4

Goodwill and Other Intangibles - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 21,125	$ 16,894
Accumulated Amortization	(13,320)	(11,760)
Net Intangible Assets	7,805	5,134
Membership Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,313	12,744
Accumulated Amortization	(12,430)	(11,577)
Net Intangible Assets	1,883	1,167
Favorable Lease Commitment [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,390	2,350
Accumulated Amortization	(467)	(136)
Net Intangible Assets	1,923	2,214
Non-compete Agreement [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,620	900
Accumulated Amortization	(210)	0
Net Intangible Assets	1,410	900
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,802	900
Accumulated Amortization	(213)	(47)
Net Intangible Assets	$ 2,589	$ 853

Acquisitions - Additional Infor

Acquisitions - Additional Information (Details)	1 Months Ended						3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018USD ($)club	Aug. 31, 2018USD ($)club	Apr. 30, 2018USD ($)	Jan. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Sep. 30, 2017USD ($)club	Sep. 30, 2018USD ($)club	Sep. 30, 2017USD ($)club	Sep. 30, 2018USD ($)club	Sep. 30, 2017USD ($)club	Dec. 31, 2017
Business Acquisition [Line Items]
Number of clubs | club	181						181		181
Average member life				26 months		26 months	26 months		26 months		26 months
Revenues							$ 110,173,000	$ 98,641,000	$ 329,613,000	$ 297,714,000
Net income (loss)							$ (3,942,000)	$ (13,276,000)	$ (2,212,000)	$ (16,621,000)
New York [Member] | Lucille Roberts Health Clubs [Member]
Business Acquisition [Line Items]
Number of clubs | club	16					16	16	16	16	16
California [Member] | Total Woman [Member]
Business Acquisition [Line Items]
Number of clubs | club	12						12		12
LIV Fitness [Member]
Business Acquisition [Line Items]
Consideration transferred	$ 4,930,000
Number of clubs | club	2						2		2
LIV Fitness [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Estimated useful life	13 years
Existing Clubs In New York Metropolitan Region [Member]
Business Acquisition [Line Items]
Number of clubs | club	2						2		2
Percentage acquired	60.00%						60.00%		60.00%
Percentage retained by seller	40.00%						40.00%		40.00%
Consideration transferred, liabilities incurred	$ 350,000
Existing Clubs In New York Metropolitan Region [Member] | New York [Member]
Business Acquisition [Line Items]
Number of clubs | club	2						2		2
Existing Clubs In New York Metropolitan Region [Member] | Maximum [Member]
Business Acquisition [Line Items]
Consideration transferred, liabilities incurred	$ 1,200,000
Palm Beach Sports Clubs [Member]
Business Acquisition [Line Items]
Consideration transferred		$ 6,697,000
Number of clubs | club		3
Percentage acquired		85.00%
Percentage retained by seller		15.00%
Total purchase price, including future consideration		$ 7,307,000
Amount due to seller, net		$ 610,000
Amount due to seller, net, term		4 years
Revenues							$ 438,000		$ 438,000
Net income (loss)							45,000		45,000
Total Woman [Member]
Business Acquisition [Line Items]
Consideration transferred			$ 7,265,000
Revenues							5,723,000		10,523,000
Net income (loss)							(472,000)		(921,000)
Total Woman [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Estimated useful life			15 years
Existing Club and Property in Boston Metropolitan Region [Member]
Business Acquisition [Line Items]
Consideration transferred				$ 2,866,000
Revenues							1,012,000		3,443,000
Net income (loss)							(280,000)		(284,000)
Existing Club and Property in Boston Metropolitan Region [Member] | Non-compete Agreement [Member]
Business Acquisition [Line Items]
Estimated useful life				5 years
TMPL Sports Clubs [Member]
Business Acquisition [Line Items]
Consideration transferred					$ 5,925,000
Revenues							1,360,000		4,200,000
Net income (loss)							(250,000)		(913,000)
Adjustment to consideration transferred									1,011,000
TMPL Sports Clubs [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Estimated useful life					15 years
TMPL Sports Clubs [Member] | Non-compete Agreement [Member]
Business Acquisition [Line Items]
Estimated useful life					5 years
Lucille Roberts Health Clubs [Member]
Business Acquisition [Line Items]
Consideration transferred						$ 9,450,000
Revenues							4,185,000		12,326,000
Net income (loss)							937,000		2,575,000
Adjustment to consideration transferred									421,000
Lucille Roberts Health Clubs [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Estimated useful life						5 years
Lucille Roberts Health Clubs [Member] | Favorable Lease Commitment [Member]
Business Acquisition [Line Items]
Estimated useful life						6 years 3 months 18 days
General and Administrative Expense [Member]
Business Acquisition [Line Items]
Acquisition costs incurred							$ 722,000	$ 250,000	$ 1,736,000	$ 275,000

Acquisitions - Schedule of Net

Acquisitions - Schedule of Net Assets Acquired (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Aug. 31, 2018	Apr. 30, 2018	Jan. 31, 2018	Dec. 31, 2017	Sep. 30, 2017
Business Acquisition [Line Items]
Goodwill	$ 14,769				$ 6,217
LIV Fitness [Member]
Business Acquisition [Line Items]
Fixed assets	2,134
Goodwill	2,187
Other liabilities	(400)
Deferred revenue	(131)
Total allocation of purchase price	4,930
LIV Fitness [Member] | Membership Lists [Member]
Business Acquisition [Line Items]
Definite lived intangible assets	480
LIV Fitness [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Definite lived intangible assets	340
LIV Fitness [Member] | Non-compete Agreement [Member]
Business Acquisition [Line Items]
Definite lived intangible assets	320
Existing Clubs In New York Metropolitan Region [Member]
Business Acquisition [Line Items]
Fixed assets	237
Goodwill	593
Capital lease liability	(69)
Other assets and liabilities assumed, net	(280)
Deferred revenue	(258)
Non-controlling interest	(106)
Total allocation of purchase price (less noncontrolling interest)	$ 117
Palm Beach Sports Clubs [Member]
Business Acquisition [Line Items]
Fixed assets		$ 5,968
Goodwill		1,991
Amount due to seller, net		(610)
Deferred revenue		(587)
Non-controlling interest		(353)
Total allocation of purchase price (less noncontrolling interest)		6,697
Palm Beach Sports Clubs [Member] | Membership Lists [Member]
Business Acquisition [Line Items]
Definite lived intangible assets		$ 288
Total Woman [Member]
Business Acquisition [Line Items]
Fixed assets			$ 8,064
Goodwill			1,584
Working capital, net			161
Deferred revenue			(4,546)
Total allocation of purchase price			7,265
Total Woman [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Definite lived intangible assets			1,562
Total Woman [Member] | Favorable Lease Commitment [Member]
Business Acquisition [Line Items]
Definite lived intangible assets			$ 440
Existing Club and Property in Boston Metropolitan Region [Member]
Business Acquisition [Line Items]
Fixed assets				$ 982
Goodwill				768
Working capital, net				130
Deferred revenue				(14)
Total allocation of purchase price				2,866
Existing Club and Property in Boston Metropolitan Region [Member] | Membership Lists [Member]
Business Acquisition [Line Items]
Definite lived intangible assets				600
Existing Club and Property in Boston Metropolitan Region [Member] | Non-compete Agreement [Member]
Business Acquisition [Line Items]
Definite lived intangible assets				$ 400
TMPL Sports Clubs [Member]
Business Acquisition [Line Items]
Fixed assets					5,195
Goodwill					1,376
Capital lease liability					(160)
Other liabilities					(75)
Deferred revenue					(1,511)
Total allocation of purchase price					5,925
TMPL Sports Clubs [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Definite lived intangible assets					200
TMPL Sports Clubs [Member] | Non-compete Agreement [Member]
Business Acquisition [Line Items]
Definite lived intangible assets					$ 900
Lucille Roberts Health Clubs [Member]
Business Acquisition [Line Items]
Fixed assets						$ 1,024
Goodwill						5,214
Deferred revenue						(1,238)
Total allocation of purchase price						9,450
Lucille Roberts Health Clubs [Member] | Membership Lists [Member]
Business Acquisition [Line Items]
Definite lived intangible assets						1,400
Lucille Roberts Health Clubs [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Definite lived intangible assets						700
Lucille Roberts Health Clubs [Member] | Favorable Lease Commitment [Member]
Business Acquisition [Line Items]
Definite lived intangible assets						$ 2,350

Acquisitions - Unaudited Pro Fo

Acquisitions - Unaudited Pro Forma Results (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Business Combinations [Abstract]
Revenue	$ 114,184	$ 115,005	$ 348,132	$ 349,140
Net loss	$ (4,223)	$ (12,394)	$ (2,166)	$ (16,620)
Loss per share:
Basic (in dollars per share)	$ (0.16)	$ (0.52)	$ (0.09)	$ (0.66)
Diluted (in dollars per share)	$ (0.16)	$ (0.52)	$ (0.09)	$ (0.66)

Acquisitions - Asset Acquisitio

Acquisitions - Asset Acquisitions (Details) - USD ($) $ in Thousands	1 Months Ended		9 Months Ended
	Jan. 31, 2018	Nov. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Asset Acquisition [Line Items]
Assets acquired			$ 3,989	$ 0
Existing Club In Florida Region [Member]
Asset Acquisition [Line Items]
Assets acquired	$ 4,039
Existing Club In Florida Region [Member] | Building [Member]
Asset Acquisition [Line Items]
Assets acquired	2,691
Existing Club In Florida Region [Member] | Land [Member]
Asset Acquisition [Line Items]
Assets acquired	$ 1,021
Building, Land, And Single Health Club [Member]
Asset Acquisition [Line Items]
Assets acquired		$ 12,600
Building, Land, And Single Health Club [Member] | Building [Member]
Asset Acquisition [Line Items]
Assets acquired		9,675
Building, Land, And Single Health Club [Member] | Land [Member]
Asset Acquisition [Line Items]
Assets acquired		$ 2,675

Income Taxes (Details)

Income Taxes (Details) - USD ($) $ in Thousands	Nov. 30, 2017	Nov. 17, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income Tax Contingency [Line Items]
Provision for corporate income taxes			$ 562	$ 3,928	$ 605	$ 4,550
Effective income tax rate					(38.00%)	(38.00%)
Deferred tax liabilities, net			276		$ 276		$ 93
Unrecognized tax benefits			$ 1,155		$ 1,155
Tax Year 2006 Though 2009 [Member] | New York State Division of Taxation and Finance [Member]
Income Tax Contingency [Line Items]
Proposed tax assessment		$ 5,097
Interest portion of the proposed tax assessment		2,419
Tax Year 2006 Though 2009 [Member] | New York City Department Of Finance [Member]
Income Tax Contingency [Line Items]
Proposed tax assessment	$ 4,797
Interest portion of the proposed tax assessment	$ 4,138
Tax Year 2010 Though 2014 [Member] | New York State Division of Taxation and Finance [Member]
Income Tax Contingency [Line Items]
Proposed tax assessment		3,906
Interest portion of the proposed tax assessment		$ 757

Commitments and Contingencies (

Commitments and Contingencies (Details) $ in Thousands	Jun. 05, 2013USD ($)	Sep. 30, 2018USD ($)lawsuit	Aug. 29, 2011USD ($)
Loss Contingencies [Line Items]
Number of class action lawsuits | lawsuit		3
Potential lease guarantor obligations, undiscounted payments		$ 1,104
Action Styled White Plains Realty Vs Town Sports International [Member]
Loss Contingencies [Line Items]
Additional damages			$ 900
Damages awarded	$ 1,000

Subsequent Event (Details)

Subsequent Event (Details) $ in Thousands	Oct. 25, 2018USD ($)club	Sep. 30, 2018club
Subsequent Event [Line Items]
Number of clubs		181
Existing Club In Boston Metropolitan Region [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Number of clubs	4
Escrow deposit | $	$ 1,000