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Other Accrued Liabilities
 12 Months Ended
Dec. 31, 2024
Payables and Accruals [Abstract]  
Other Accrued Liabilities Other Accrued Liabilities
    
Other accrued liabilities at December 31, 2024 and 2023, consisted of the following (in thousands):
December 31,
20242023
Accrued payroll and other employee benefits$34,130 $40,533 
Gross environmental credit obligations (1)231,982 286,904 
Derivative liabilities
19,548 27,725 
Deferred revenue
16,247 15,220 
Other42,281 51,380 
Total$344,188 $421,762 
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(1)Please read Note 16—Fair Value Measurements for further information. A portion of these obligations are expected to be settled with our RINs assets and other environmental credits, which are presented as Inventories on our consolidated balance sheet and are stated at the lower of cost or net realizable value. The carrying costs of these assets were $195.0 million and $237.6 million as of December 31, 2024 and 2023, respectively.