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COMMITMENTS AND CONTINGENCIES (Tables) | 12 Months Ended
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Dec. 31, 2017
Other Commitments [Line Items] |
Other Commitments [Table Text Block] | At December 31, 2017, the Company's expected cash outflow resulting from non-cancellable purchase obligations are summarized by year in the table below (amounts in thousands):
2018 | $ | 22,719 |
2019 | 7,219 |
2020 | 3,638 |
2021 | 179 |
Thereafter | — |
Total non-cancellable purchase obligations | $ | 33,755 |

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- Definition Tabular disclosure of information about obligations resulting from other commitments. + References No definition available. + Details
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