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Impairment of Long-Lived Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Indefinite-lived Intangible Assets [Line Items] |  |
Lease period of fee owned properties | 20 years |
Fair value of long-lived assets in the multiples of cash flow | Six and a half times | Six and a half times
Estimated aggregate fair value of long-lived assets impaired during current period | $ 2,071 |

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- Definition Maximum remaining use period assumed in impairment evaluation for fee owned properties. + References No definition available. + Details
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- Definition Represents cash flow multiple used to estimate fair value of long-lived assets evaluated for impairment during reporting period. + References No definition available. + Details
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- Definition Estimated aggregate fair value of long lived assets impaired during current period. + References No definition available. + Details
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- Details
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