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Accrued Liabilities
 9 Months Ended
Sep. 30, 2024
Payables and Accruals [Abstract]  
Accrued Liabilities Accrued Liabilities
Accrued liabilities consisted of the following:

September 30,December 31,
20242023
(in thousands)
Interest$15,211 $9,786 
Construction3,265 2,995 
Payroll1,245 2,596 
Production materials and supplies1,230 690 
Professional services379 411 
Other1,774 726 
Total accrued liabilities$23,104 $17,204