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Related party transactions (Tables) | 12 Months Ended
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Dec. 31, 2020
Related Party Transactions [Abstract] |
Schedule of related party transactions | The following table provides the balance sheet balances with North American Nuna Joint Venture, NL Partnership and its affiliates:
|  | December 31, 2020 |  | December 31, 2019
Accounts receivable |  | $ | 1,179 |  |  | $ | 1,202 |
Other assets |  | 1,432 |  |  | — |
Accounts payable and accrued liabilities |  | 5,296 |  |  | 251 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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