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Other information (Tables) | 12 Months Ended
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Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract] |
Schedule of net change in non-cash working capital |
Year ended December 31, |  | 2020 |  | 2019
Cash paid during the year for: |  |  |  |
Interest |  | $ | 18,526 |  |  | $ | 20,039 |
Cash received during the year for: |  |  |  |
Interest |  | 151 |  |  | 72 |
Non-cash transactions: |  |  |  |
Addition of property, plant and equipment by means of finance leases |  | 27,882 |  |  | 28,107 |
Decrease to property, plant and equipment upon investment contribution to affiliates and joint ventures |  | (980) |  |  | — |
Increase in assets held for sale, offset by property, plant and equipment |  | 7,127 |  |  | 4,230 |
Non-cash working capital exclusions: |  |  |  |
Net decrease in accounts receivable relating to other adjustments to investments in affiliates and joint ventures |  | (911) |  |  | — |
Net decrease in accrued liabilities related to conversion of bonus compensation to deferred stock units |  | 294 |  |  | 428 |
Net decrease in other accrued liabilities |  | — |  |  | 582 |
Net increase in accrued liabilities related to the current portion of deferred stock units liability |  | (1,727) |  |  | — |
Net increase in accrued liabilities related to dividend payable |  | (137) |  |  | (530) |
Net decrease in long-term portion of payroll liabilities |  | — |  |  | 536 |
Non-cash working capital transactions related to the reorganization of investments in affiliates and joint ventures: |  |  |  |
Decrease in accounts receivable |  | — |  |  | (10,260) |
Decrease in contract assets |  | — |  |  | (1,832) |
Decrease in inventory |  | — |  |  | (4,321) |
Decrease in prepaid expenses |  | — |  |  | (341) |
Decrease in contract costs |  | — |  |  | (349) |
Decrease in accounts payable |  | — |  |  | 3,859 |
Decrease in accrued liabilities |  | — |  |  | 1,615 |
Decrease in contract liabilities |  | — |  |  | 152 |
Schedule of non-cash transactions | The table below represents the cash (used in) provided by non-cash working capital:
Year ended December 31, |  | 2020 |  | 2019
Operating activities: |  |  |  |
Accounts receivable |  | $ | 29,462 |  |  | $ | 5,393 |
Contract assets |  | 12,159 |  |  | (10,352) |
Inventories |  | 2,475 |  |  | (12,579) |
Contract costs |  | (953) |  |  | 943 |
Prepaid expenses and deposits |  | (593) |  |  | (663) |
Accounts payable |  | (46,832) |  |  | 28,600 |
Accrued liabilities |  | (19) |  |  | 1,034 |
Contract liabilities |  | 1,489 |  |  | (3,857) |
|  | $ | (2,812) |  |  | $ | 8,519 |

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- Definition Tabular disclosure of the net increase (decrease) in operating capital in the operating section of the statement of cash flows, represents the entire footnote disclosure that provides details regarding the net change during the reporting period of all assets and liabilities used in operating activities. + References No definition available. + Details
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- Definition Tabular disclosure of noncash investing and financing activities, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 + Details
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