| **Other Liabilities (Tables)**           | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
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| **Payables and Accruals [Abstract]**     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| Accrued Liabilities and Deferred Credits | Other liabilities consist of the following: June 30, 2016 December 31, 2015Accounts payable$5,968 $2,585Accrued compensation1,847 3,366Deferred revenue15,587 15,584Membership deposits and initiation fees7,200 7,416Advance deposits6,037 3,574Other accrued liabilities8,230 6,505Accrued interest expense for Senior Notes held by special purpose entity2,850 2,850Total other liabilities$47,719 $41,880 |

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Accrued Liabilities And Deferred Credits.
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