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Segment Reporting - Additional Information (Detail)
In Millions, unless otherwise specified
 1 Months Ended 1 Months Ended
May 31, 2013
USD ($)
Apr. 30, 2013
Buenos Aires [Member]
USD ($)
Installment
sqm
Floors
Jun. 30, 2013
Buenos Aires [Member]
USD ($)
Jul. 31, 2013
Buenos Aires [Member]
Subsequent Events [Member]
USD ($)
May 31, 2013
Caracas [Member]
VEF
ParkingSpaces
sqm
StorageSpaces
Sales Information [Line Items]          
Area of new office building   3,865     1,158
Acquisition agreement amount $ 20.0 $ 18.0      
Number of floors in new office building   3      
Acquisition agreement amount paid in advance   0.4      
Acquisition agreement amount to be paid   3.2     126.0
Acquisition agreement amount       4.1  
Unpaid balance of building acquisition     $ 12.2    
Number of monthly installments   2      
Number of Parking space         13
Number of storage space         4