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Assets Held for Sale (Tables) | 12 Months Ended
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Dec. 31, 2018
Assets held for sale [abstract] |
Assets held for sale | Changes to assets held for sale during the year ended December 31, 2018 and 2017 are as follows:
Balance as at December 31, 2016 |  | $ | -
Transfer from property, plant and equipment |  |  | 1,701
Balance at December 31, 2017 |  |  | 1,701
Transfer from property, plant and equipment |  |  | 194
Dispositions |  |  | (107)
Write-downs |  |  | (691)
Balance at December 31, 2018 |  | $ | 1,097

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- Definition The disclosure of other current assets classified as available for sale. + References No definition available. + Details
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- References No definition available. + Details
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