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Intangible Assets and Amortization Method (Detail) | 12 Months Ended
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Dec. 31, 2017
Finite Lived Intangible Assets [Line Items] |
Goodwill | Indefinite-lived
Tradename | Indefinite-lived
Vendor Contracts |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Assets, Amortization Method | Straight-line method over the terms of the underlying contracts. The remaining terms of the underlying contracts range from one to three years.
Vendor Contracts | Minimum |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 1 year
Vendor Contracts | Maximum |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 3 years
Favorable/unfavorable leases |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Assets, Amortization Method | Based on the pattern in which the economic benefits are realized over the terms of the lease agreements. The remaining terms of the lease agreements range from approximately two to nineteen years.
Favorable/unfavorable leases | Minimum |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 2 years
Favorable/unfavorable leases | Maximum |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 19 years
Other Intangible Assets |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Assets, Amortization Method | Straight-line method over the terms of the underlying agreement or the expected useful life of the intangible asset. The remaining useful lives of these intangible assets range from one to twelve years.
Other Intangible Assets | Minimum |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 1 year
Other Intangible Assets | Maximum |
Finite Lived Intangible Assets [Line Items] |
Finite-Lived Intangible Asset, Useful Life | 12 years

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- Definition Disclosure of amortization method for goodwill. + References No definition available. + Details
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- Definition Disclosure of amortization method for tradename intangible assets. + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The amortization method of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company. The straight-line method is the preferred amortization method, unless another method better reflects the pattern in which the asset is consumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 35 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=66005732&loc=d3e15372-109273 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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