Other Liabilities - (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Accrued Liabilities And Deferred Credits [Line Items]
Accounts payable	$ 6,495	$ 7,524
Accrued compensation	1,605	2,664
Deferred revenue	17,433	17,864
Membership deposits and initiation fees	9,632	9,704
Advance deposits	3,157	1,468
Other accrued liabilities	4,790	5,185
Other Liabilities	43,824	47,259
Special Purpose Entities
Accrued Liabilities And Deferred Credits [Line Items]
Accrued interest expense for Senior Notes held by SPE	$ 712	$ 2,850