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Other Accrued Liabilities
3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
Other Accrued Liabilities Other Accrued Liabilities
Other accrued liabilities at March 31, 2022 and December 31, 2021 consisted of the following (in thousands):
March 31, 2022December 31, 2021
Accrued payroll and other employee benefits$13,168 $19,710 
Derivative liabilities28,311 1,431 
Gross environmental credit obligations (1)346,034 311,014 
Other46,130 38,269 
Total$433,643 $370,424 
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(1)Gross environmental credit obligations are stated at market as of March 31, 2022 and December 31, 2021. Please read Note 11—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 and net realizable value. The carrying costs of these assets were $134.8 million and $120.1 million as of March 31, 2022 and December 31, 2021, respectively.