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Derivative Accounting - Derivative Instruments in the Balance Sheet (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets |  |
Gross Recognized Derivatives |  | $ 132,229
Liabilities |  |
Amounts Reported on Balance Sheets |  | (42,446)
Commodity Contracts |  |
Assets |  |
Gross Recognized Derivatives | $ 8,497 | 153,261
Amounts Offset | (1,694) | (21,191)
Net Recognized Derivatives | 6,803 | 132,070
Other | 5 | 28
Amounts Reported on Balance Sheets | 6,808 | 132,098
Liabilities |  |
Gross Recognized Derivatives | (128,711) | (56,893)
Amounts Offset | 10,894 | 21,191
Net Recognized Derivatives | (117,817) | (35,702)
Other | (6,071) | (5,835)
Amounts Reported on Balance Sheets | (123,888) | (41,537)
Assets and Liabilities |  |
Gross Recognized Derivatives | (120,214) | 96,368
Amounts Offset | 9,200 | 0
Net Recognized Derivatives | (111,014) | 96,368
Other | (6,066) | (5,807)
Amounts Reported on Balance Sheets | (117,080) | 90,561
Cash collateral provided or received subject to offsetting | 9,200 | 0
Cash collateral received from counterparties | 6,071 | 5,835
Cash margin provided to counterparties | 5 | 28
Commodity Contracts | Current assets |  |
Assets |  |
Gross Recognized Derivatives | 8,497 | 103,484
Amounts Offset | (1,694) | (15,808)
Net Recognized Derivatives | 6,803 | 87,676
Other | 5 | 28
Amounts Reported on Balance Sheets | 6,808 | 87,704
Assets and Liabilities |  |
Cash margin provided to counterparties | 5 | 28
Commodity Contracts | Other Investments |  |
Assets |  |
Gross Recognized Derivatives | 0 | 49,777
Amounts Offset | 0 | (5,383)
Net Recognized Derivatives | 0 | 44,394
Other | 0 | 0
Amounts Reported on Balance Sheets | 0 | 44,394
Assets and Liabilities |  |
Cash margin provided to counterparties | 0 | 0
Commodity Contracts | Current liabilities |  |
Liabilities |  |
Gross Recognized Derivatives | (85,736) | (47,670)
Amounts Offset | 10,894 | 15,808
Net Recognized Derivatives | (74,842) | (31,862)
Other | (6,071) | (5,835)
Amounts Reported on Balance Sheets | (80,913) | (37,697)
Assets and Liabilities |  |
Cash collateral received from counterparties | 6,071 | 5,835
Commodity Contracts | Deferred credits and other |  |
Liabilities |  |
Gross Recognized Derivatives | (42,975) | (9,223)
Amounts Offset | 0 | 5,383
Net Recognized Derivatives | (42,975) | (3,840)
Other | 0 | 0
Amounts Reported on Balance Sheets | (42,975) | (3,840)
Assets and Liabilities |  |
Cash collateral received from counterparties | $ 0 | $ 0

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