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Goodwill and Intangible Assets (Changes in Carrying Amount of Goodwill) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 | Dec. 31, 2018
Goodwill [Line Items] |  |
Balance, beginning of the period | $ 88,883 | $ 92,279
Business acquisition |  | 7,022
Purchase price allocations adjustments | 45 |
Effect of exchange rates changes | 1,447 | (10,418)
Balance, end of the period | 90,375 | 88,883
Brazil [Member] |  |
Goodwill [Line Items] |  |
Balance, beginning of the period | 30,069 | 32,492
Business acquisition |  | 3,110
Effect of exchange rates changes | 287 | (5,533)
Balance, end of the period | 30,356 | 30,069
Argentina [Member] |  |
Goodwill [Line Items] |  |
Balance, beginning of the period | 6,946 | 5,761
Business acquisition |  | 3,175
Purchase price allocations adjustments | 45 |
Effect of exchange rates changes |  | (1,990)
Balance, end of the period | 6,991 | 6,946
Mexico [Member] |  |
Goodwill [Line Items] |  |
Balance, beginning of the period | 31,340 | 30,396
Business acquisition |  | 543
Effect of exchange rates changes | 738 | 401
Balance, end of the period | 32,078 | 31,340
Chile [Member] |  |
Goodwill [Line Items] |  |
Balance, beginning of the period | 16,014 | 18,805
Business acquisition |  | 61
Effect of exchange rates changes | 370 | (2,852)
Balance, end of the period | 16,384 | 16,014
Colombia [Member] |  |
Goodwill [Line Items] |  |
Balance, beginning of the period | 3,339 | 3,632
Business acquisition |  | 80
Effect of exchange rates changes | 44 | (373)
Balance, end of the period | 3,383 | 3,339
Other Countries [Member] |  |
Goodwill [Line Items] |  |
Balance, beginning of the period | 1,175 | 1,193
Business acquisition |  | 53
Effect of exchange rates changes | 8 | (71)
Balance, end of the period | $ 1,183 | $ 1,175

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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