Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

Basis of Presentation (Details)	3 Months Ended		9 Months Ended
Basis of Presentation (Details)	Sep. 30, 2019 USD ($) club	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) club	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Nov. 15, 2013 USD ($)
Debt Instrument [Line Items]
Number of clubs \| club	187		187
Club operating expenses	$ 55,789,000	$ 50,107,000	$ 164,382,000	$ 148,602,000
Cash and cash equivalents	20,864,000		20,864,000		$ 48,088,000
Secured Debt \| 2013 Term Loan Facility
Debt Instrument [Line Items]
Outstanding principal balance	178,231,000		178,231,000		$ 197,835,000	$ 325,000,000
Utility Accrual Adjustment \| Restatement Adjustment
Debt Instrument [Line Items]
Club operating expenses	$ 761,000		$ 669,000