Derivative Instruments Fair Value and Offsets Table (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021 |
Derivatives, Fair Value [Line Items] | | | |
Derivative Asset, Fair Value, Gross Asset | $ 30,402 | $ 11,504 | |
Derivative Asset, Fair Value, Gross Liability | (10,561) | (4,906) | |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 19,841 | 6,598 | |
Derivative Liability, Fair Value, Gross Liability | 16,027 | 8,670 | |
Derivative Liability, Fair Value, Gross Asset | (10,561) | (2,923) | |
Derivative Liability, Fair Value, Amount Offset Against Collateral | 5,466 | 5,747 | |
Derivative Asset, Collateral, Obligation to Return Cash, Offset | | 2,000 | |
Financial Swaps | Other Current Assets [Member] | | | |
Derivatives, Fair Value [Line Items] | | | |
Derivative Asset, Fair Value, Gross Asset | 15,496 | 10,599 | |
Derivative Asset, Fair Value, Gross Liability | 0 | (4,893) | [1] |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 15,496 | 5,706 | |
Derivative Liability, Fair Value, Gross Liability | 0 | 2,910 | |
Derivative Liability, Fair Value, Gross Asset | 0 | (2,910) | |
Derivative Liability, Fair Value, Amount Offset Against Collateral | 0 | 0 | |
Financial Swaps | Other Current Liabilities | | | |
Derivatives, Fair Value [Line Items] | | | |
Derivative Asset, Fair Value, Gross Asset | 9,052 | 0 | |
Derivative Asset, Fair Value, Gross Liability | (9,052) | 0 | |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0 | |
Derivative Liability, Fair Value, Gross Liability | 9,229 | 20 | |
Derivative Liability, Fair Value, Gross Asset | (9,052) | 0 | |
Derivative Liability, Fair Value, Amount Offset Against Collateral | 177 | 20 | |
Financial Swaps | Other Assets | | | |
Derivatives, Fair Value [Line Items] | | | |
Derivative Asset, Fair Value, Gross Asset | 5,854 | 899 | |
Derivative Asset, Fair Value, Gross Liability | (1,509) | (9) | |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 4,345 | 890 | |
Derivative Liability, Fair Value, Gross Liability | 1,509 | 9 | |
Derivative Liability, Fair Value, Gross Asset | (1,509) | (9) | |
Derivative Liability, Fair Value, Amount Offset Against Collateral | 0 | 0 | |
Financial Swaps | Other Liabilities | | | |
Derivatives, Fair Value [Line Items] | | | |
Derivative Asset, Fair Value, Gross Asset | | 0 | |
Derivative Asset, Fair Value, Gross Liability | | 0 | |
Derivative Asset, Fair Value, Amount Offset Against Collateral | | 0 | |
Derivative Liability, Fair Value, Gross Liability | | 14 | |
Derivative Liability, Fair Value, Gross Asset | | 0 | |
Derivative Liability, Fair Value, Amount Offset Against Collateral | | 14 | |
Forward contracts | Other Current Assets [Member] | | | |
Derivatives, Fair Value [Line Items] | | | |
Derivative Asset, Fair Value, Gross Asset | | 6 | |
Derivative Asset, Fair Value, Gross Liability | | (4) | |
Derivative Asset, Fair Value, Amount Offset Against Collateral | | 2 | |
Derivative Liability, Fair Value, Gross Liability | | 4 | |
Derivative Liability, Fair Value, Gross Asset | | (4) | |
Derivative Liability, Fair Value, Amount Offset Against Collateral | | 0 | |
Forward contracts | Other Current Liabilities | | | |
Derivatives, Fair Value [Line Items] | | | |
Derivative Asset, Fair Value, Gross Asset | 0 | 0 | |
Derivative Asset, Fair Value, Gross Liability | 0 | 0 | |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0 | |
Derivative Liability, Fair Value, Gross Liability | 2,095 | 1,970 | |
Derivative Liability, Fair Value, Gross Asset | 0 | 0 | |
Derivative Liability, Fair Value, Amount Offset Against Collateral | 2,095 | 1,970 | |
Forward contracts | Other Liabilities | | | |
Derivatives, Fair Value [Line Items] | | | |
Derivative Asset, Fair Value, Gross Asset | 0 | 0 | |
Derivative Asset, Fair Value, Gross Liability | 0 | 0 | |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 0 | 0 | |
Derivative Liability, Fair Value, Gross Liability | 3,194 | 3,743 | |
Derivative Liability, Fair Value, Gross Asset | 0 | 0 | |
Derivative Liability, Fair Value, Amount Offset Against Collateral | $ 3,194 | $ 3,743 | |
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[1]Excludes unrealized gains or losses on derivatives, which are recorded on the balance sheet as regulatory assets or regulatory liabilities. |