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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of components of accumulated other comprehensive loss | The components of accumulated other comprehensive loss consist of the following:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Net derivative instruments, beginning of year |  | $ | 37 |  |  | $ | (17 | ) |  | $ | — |
Net derivative instrument gain (loss), net of tax |  |  | 99 |  |  |  | 54 |  |  |  | (17 | )
Net derivative instruments, end of year |  |  | 136 |  |  |  | 37 |  |  |  | (17 | )
Cumulative translation adjustments, beginning of year |  |  | (17,869 | ) |  |  | (57,965 | ) |  |  | (48,091 | )
Translation adjustments |  |  | (15,917 | ) |  |  | 40,096 |  |  |  | (9,874 | )
Cumulative translation adjustments, end of year |  |  | (33,786 | ) |  |  | (17,869 | ) |  |  | (57,965 | )
Accumulated other comprehensive loss |  | $ | (33,650 | ) |  | $ | (17,832 | ) |  | $ | (57,982 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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