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Supplemental Cash Flow Information (Net Changes in Components of Operating Assets and Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
(Increase) decrease in: |  |  |
Accounts receivable | $ (75,165) | $ 88,116 | $ (80,126)
Inventories | 20,370 | (34,740) | 7,659
Deferred charges | 27,390 | 24,590 | 4,093
Other current assets | (1,190) | 1,188 | (4,874)
Increase (decrease) in: |  |  |
Accounts payable | 44,119 | (9,742) | 81,915
Accrued liabilities | 14,520 | (30,785) | (79,765)
Net changes in components of operating assets and liabilities | $ 30,044 | $ 38,627 | $ (71,098)

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- Definition The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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