Represents the amortization period for annual fees.

No definition available.

Name:	club_AnnualMembershipFeesAmortizationPeriod
Namespace Prefix:	club_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the estimated average membership life used to calculate the deferral of initiation and processing fees and related direct and incremental expenses of membership acquisition

+ References

No definition available.

+ Details

Name:	club_AverageMemberLife
Namespace Prefix:	club_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Interruption, Percentage Of Clubs Closed

+ References

No definition available.

+ Details

Name:	club_BusinessInterruptionPercentageOfClubsClosed
Namespace Prefix:	club_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Jurisdictions In Which Expired Sessions Are Not Escheatable

+ References

No definition available.

+ Details

Name:	club_NumberOfJurisdictionsInWhichExpiredSessionsAreNotEscheatable
Namespace Prefix:	club_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

+ Details

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_ProductOrServiceAxis=club_InitiationAndProcessingFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=club_PersonalTrainingRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_NY
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=club_MembershipBillingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=club_COVID19Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Revenue - Additional Information (Details) $ in Thousands		3 Months Ended		12 Months Ended
Revenue - Additional Information (Details) $ in Thousands	Mar. 16, 2020 USD ($)	Mar. 31, 2020 USD ($) jurisdiction	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Clubs mandated to close	95.00%
Decrease in revenue		$ (98,079)	$ (116,598)
Average member life		20 months		20 months
Deferred revenue		$ 51,775		$ 36,047
Deferred revenue recognized		11,484
Initiation and processing fees
Disaggregation of Revenue [Line Items]
Decrease in revenue		$ (146)	(429)
Deferred revenue, amortization period		12 months
Personal training revenue
Disaggregation of Revenue [Line Items]
Decrease in revenue		$ (16,391)	$ (19,489)
Number of jurisdictions in which expired sessions are not escheatable \| jurisdiction		6
Deferred revenue		$ 13,116		$ 12,792
Personal training revenue \| New York
Disaggregation of Revenue [Line Items]
Deferred revenue		11,142
Membership Billings
Disaggregation of Revenue [Line Items]
Deferred revenue recognized		$ 14,177
COVID-19
Disaggregation of Revenue [Line Items]
Decrease in revenue	$ 19,642