Sale of Building	12 Months Ended
Dec. 31, 2016
Leases [Abstract]
Sale of Building	Sale of Building On September 12, 2014, the Company completed the legal sale of its property (building and land) on East 86th Street, New York City, to an unaffiliated third-party for gross proceeds of $85,650. Concurrent with the closing of the transaction, the Company leased back the portion of the property comprising its health club (“Initial Lease”) and had agreed to vacate the property in connection with the purchaser's future development of a new luxury, high-rise multi-use building. In connection with vacating the property, the Company agreed to enter into a new lease (“New Club Lease”) for approximately 24,000 square feet in the new building for the purpose of operating a health club upon completion of construction by the purchaser/landlord. This sale-leaseback transaction was characterized as a financing arrangement for accounting purposes rather than a sale until any continuing involvement has ceased. In March 2015, the Company received the remaining proceeds that had been held in escrow of $500. On December 23, 2015, the Company terminated the Initial Lease and the agreement to enter into the New Club Lease and received gross proceeds of $3,500 in connection with the termination. Because the lease was terminated with no continuing involvement, this sale-leaseback transaction was accounted for as a completed sale as of December 23, 2015. Under this treatment, the Company recorded a $77,146 gain, previously accounted for as a financing, on the sale of the property, recorded in Gain on sale of building in the consolidated statements of operations for the year ended December 31, 2015.

Sale of Building

On September 12, 2014, the Company completed the legal sale of its property (building and land) on East 86th Street, New York City, to an unaffiliated third-party for gross proceeds of $85,650. Concurrent with the closing of the transaction, the Company leased back the portion of the property comprising its health club (“Initial Lease”) and had agreed to vacate the property in connection with the purchaser's future development of a new luxury, high-rise multi-use building. In connection with vacating the property, the Company agreed to enter into a new lease (“New Club Lease”) for approximately 24,000 square feet in the new building for the purpose of operating a health club upon completion of construction by the purchaser/landlord. This sale-leaseback transaction was characterized as a financing arrangement for accounting purposes rather than a sale until any continuing involvement has ceased. In March 2015, the Company received the remaining proceeds that had been held in escrow of $500.

On December 23, 2015, the Company terminated the Initial Lease and the agreement to enter into the New Club Lease and received gross proceeds of $3,500 in connection with the termination. Because the lease was terminated with no continuing involvement, this sale-leaseback transaction was accounted for as a completed sale as of December 23, 2015. Under this treatment, the Company recorded a $77,146 gain, previously accounted for as a financing, on the sale of the property, recorded in Gain on sale of building in the consolidated statements of operations for the year ended December 31, 2015.