Commitments and Contingencies - Financial Covenants Related to Amended Subordination and Guaranty Agreement (Detail)  | 
Dec. 31, 2016  | 
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| Subordination Agreement And Additional Financial Covenant [Line Items] | |
| Minimum consolidated liquidity ratio | 117.00% | 
| Minimum consolidated fixed charge coverage ratio | 192.00% | 
| Maximum consolidated total lease adjusted leverage ratio | 408.00% | 
| Minimum EBTDAR to rent ratio | 401.00% | 
| Required Ratio [Member] | |
| Subordination Agreement And Additional Financial Covenant [Line Items] | |
| Minimum consolidated liquidity ratio | 105.00% | 
| Minimum consolidated fixed charge coverage ratio | 120.00% | 
| Maximum consolidated total lease adjusted leverage ratio | 575.00% | 
| Minimum EBTDAR to rent ratio | 150.00% | 
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- Definition Maximum consolidated total lease adjusted leverage ratio. No definition available. 
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- Definition Minimum consolidated fixed charge coverage ratio. No definition available. 
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- Definition Minimum consolidated liquidity ratio. No definition available. 
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- Definition Minimum EBTDAR to rent ratio. No definition available. 
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- Definition Line items pertaining to subordination agreements and additional financial covenants. No definition available. 
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- Details 
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