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Other Accrued Liabilities
 6 Months Ended
Jun. 30, 2023
Payables and Accruals [Abstract]  
Other Accrued Liabilities Other Accrued Liabilities
Other accrued liabilities at June 30, 2023 and December 31, 2022 consisted of the following (in thousands):
June 30, 2023December 31, 2022
Accrued payroll and other employee benefits$22,617 $27,815 
Gross environmental credit obligations (1)433,031 549,791 
Other57,483 62,888 
Total$513,131 $640,494 
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(1)Gross environmental credit obligations are stated at market as of June 30, 2023 and December 31, 2022. Please read Note 13—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 condensed consolidated balance sheet and are stated at the lower of cost or net realizable value. The carrying costs of these assets were $293.3 million and $258.2 million as of June 30, 2023 and December 31, 2022, respectively. If we marked our RINs and environmental credits to fair market value, our net environmental credit obligations at market value would have been $100.9 million and $152.6 million as of June 30, 2023 and December 31, 2022, respectively.