Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Amortization Method (Detail)

v3.3.1.900
Intangible Assets and Amortization Method (Detail)
 12 Months Ended
Dec. 31, 2015
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 two to five years.
Vendor Contracts | Minimum  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 2 years
Vendor Contracts | Maximum  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 5 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 three to twenty-one years.
Favorable/unfavorable leases | Minimum  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 3 years
Favorable/unfavorable leases | Maximum  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 21 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 two to eleven years.
Other Intangible Assets | Minimum  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 2 years
Other Intangible Assets | Maximum  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 11 years