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v3.21.1

Derivative Financial Instruments and Hedging Activities - Derivatives (Details) $ in Thousands, bbl in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2021 USD ($) bbl | Feb. 29, 2020 USD ($) | Aug. 31, 2020 USD ($) bbl
Derivative [Line Items] |  |  |
Derivative Liability, Noncurrent | $ 4,300 |  | $ 5,400
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 978,487 |  | 345,935
Derivative Asset, Fair Value, Gross Amount Not Offset on Balance Sheet | 24,740 |  | 12,365
Derivative Liability, Fair Value, Amount Not Offset Against Collateral | 551,923 |  | 396,890
Derivative Liability, Collateral, Right to Reclaim Cash, Offset | 1,893 |  | 956
Derivative Liability, Fair Value, Gross Amount Not Offset on Balance Sheet | 25,855 |  | 14,963
Embedded Derivative, Gain on Embedded Derivative | 1,900 | $ 1,900 |
Derivative Asset, Noncurrent, Excluding Fair Value Hedges | 15,200 |  | 21,200
CF Nitrogen LLC [Member] |  |  |
Derivative [Line Items] |  |  |
Annual Payment Receivable Contingent On Investment Credit Rating | 5,000 |  |
Embedded derivative asset | 15,900 |  |
Foreign exchange derivatives | Not Designated as Hedging Instrument |  |  |
Derivative [Line Items] |  |  |
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 1,330 |  | 2,424
Derivative Asset, Fair Value, Gross Amount Not Offset on Balance Sheet | 5,891 |  | 9,385
Derivative Liability, Fair Value, Amount Not Offset Against Collateral | 58,778 |  | 60,081
Derivative Liability, Collateral, Right to Reclaim Cash, Offset | 0 |  | 0
Derivative Liability, Fair Value, Gross Amount Not Offset on Balance Sheet | 5,891 |  | 9,385
Derivative, Notional Amount | 1,400,000 |  | 1,200,000
Embedded Derivative Financial Instruments [Member] | Not Designated as Hedging Instrument |  |  |
Derivative [Line Items] |  |  |
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 15,865 |  | 18,998
Derivative Asset, Fair Value, Gross Amount Not Offset on Balance Sheet | 0 |  | 0
Commodity derivatives | Not Designated as Hedging Instrument |  |  |
Derivative [Line Items] |  |  |
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 961,292 |  | 324,513
Derivative Asset, Fair Value, Gross Amount Not Offset on Balance Sheet | 18,849 |  | 2,980
Derivative Liability, Fair Value, Amount Not Offset Against Collateral | 493,145 |  | 336,809
Derivative Liability, Collateral, Right to Reclaim Cash, Offset | 1,893 |  | 956
Derivative Liability, Fair Value, Gross Amount Not Offset on Balance Sheet | $ 19,964 |  | $ 5,578
Cash Flow Hedging |  |  |
Derivative [Line Items] |  |  |
Aggregate notional amount of cash flow hedges (in barrels) | bbl | 1.5 |  | 9.7

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