v3.26.1
Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Convertible preferred securities $ 0 $ 18,190 $ 18,190
Other 7,746 8,569 10,164
Total Assets 277,192 217,355 249,487
Provisionally priced payables 48,633 125,972 17,802
Other 9,865 7,695 461
Total liabilities 222,304 223,399 150,182
Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Convertible preferred securities 0 0 0
Other 7,746 8,569 10,164
Total Assets 115,078 73,826 78,629
Provisionally priced payables 40,299 83,883 6,317
Other 9,865 7,695 461
Total liabilities 81,818 110,642 34,248
Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Convertible preferred securities 0 0 0
Other 0 0 0
Total Assets 162,114 125,339 152,668
Provisionally priced payables 8,334 42,089 11,485
Other 0 0 0
Total liabilities 140,486 112,757 115,934
Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Convertible preferred securities 0 18,190 18,190
Other 0 0 0
Total Assets 0 18,190 18,190
Provisionally priced payables 0 0 0
Other 0 0 0
Total liabilities 0 0 0
Commodities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gains on derivative contracts: 249,044 173,512 201,683
Unrealized losses on derivative contracts: 163,473 88,635 130,653
Commodities | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gains on derivative contracts: 107,332 65,257 68,465
Unrealized losses on derivative contracts: 31,654 19,064 27,470
Commodities | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gains on derivative contracts: 141,712 108,255 133,218
Unrealized losses on derivative contracts: 131,819 69,571 103,183
Commodities | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gains on derivative contracts: 0 0 0
Unrealized losses on derivative contracts: 0 0 0
Interest rate contract      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gains on derivative contracts: 20,402 17,084 19,450
Unrealized losses on derivative contracts: 333 1,097 1,266
Interest rate contract | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gains on derivative contracts: 0 0 0
Unrealized losses on derivative contracts: 0 0 0
Interest rate contract | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gains on derivative contracts: 20,402 17,084 19,450
Unrealized losses on derivative contracts: 333 1,097 1,266
Interest rate contract | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gains on derivative contracts: 0 0 0
Unrealized losses on derivative contracts: $ 0 $ 0 $ 0