Segment and Geographic Information - Additional Information (Detail) - Segment
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12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Revenues from External Customers and Long-Lived Assets [Line Items] |
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| Number of business segment operated currently |
1
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| Geographic Concentration Risk [Member] |
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| Revenues from External Customers and Long-Lived Assets [Line Items] |
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| Percentage of fixed assets into company's net assets |
1.00%
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| Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | Minimum [Member] |
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| Revenues from External Customers and Long-Lived Assets [Line Items] |
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| Company's consolidated net revenue |
10.00%
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10.00%
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10.00%
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| Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | Mexico [Member] |
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| Revenues from External Customers and Long-Lived Assets [Line Items] |
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| Company's consolidated net revenue |
39.00%
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28.00%
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17.00%
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| Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | Peru [Member] |
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| Revenues from External Customers and Long-Lived Assets [Line Items] |
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| Company's consolidated net revenue |
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10.00%
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25.00%
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| Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | Puerto Rico [Member] |
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| Revenues from External Customers and Long-Lived Assets [Line Items] |
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| Company's consolidated net revenue |
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12.00%
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| Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | Latin America [Member] |
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| Revenues from External Customers and Long-Lived Assets [Line Items] |
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| Company's consolidated net revenue |
14.00%
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18.00%
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11.00%
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| Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | Guatemala [Member] |
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| Revenues from External Customers and Long-Lived Assets [Line Items] |
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| Company's consolidated net revenue |
19.00%
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10.00%
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