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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The components of accumulated other comprehensive income (loss) consists of the following:
|  | Year ended December 31, |
|  | 2015 |  | 2014 |  | 2013 |
Net derivative instruments, beginning of year |  | $ | — |  | $ | — |  | $ | 240 |
Transfer from OCI into earnings |  |  | — |  |  | — |  |  | (240) |
Net derivative instruments, end of year |  |  | — |  |  | — |  |  | — |
Cumulative translation adjustments, beginning of year |  |  | (15,823) |  |  | 25,860 |  |  | 12,258 |
Translation adjustments |  |  | (32,268) |  |  | (41,683) |  |  | 13,602 |
Cumulative translation adjustments, end of year |  |  | (48,091) |  |  | (15,823) |  |  | 25,860 |
Accumulated other comprehensive income (loss) |  | $ | (48,091) |  | $ | (15,823) |  | $ | 25,860 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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