Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Intangibles Asset Estimated Useful Lives (Detail)

v2.4.1.9
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Intangibles Asset Estimated Useful Lives (Detail)
 12 Months Ended
Dec. 31, 2014
Customer lists and contracts [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life, description
Lesser of 5 years or life of contract
Favorable and assigned leases [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life, description
Life of the lease
Domain and brand names [Member] | Minimum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 5 years
Domain and brand names [Member] | Maximum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 7 years
Internally developed software [Member] | Minimum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 3 years
Internally developed software [Member] | Maximum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 5 years
Customer relationships [Member] | Minimum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 1 year
Customer relationships [Member] | Maximum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 3 years
Other amortizable intangible assets [Member] | Minimum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 5 years
Other amortizable intangible assets [Member] | Maximum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite lived intangible assets useful life 10 years