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Accrued Liabilities
 3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
Accrued Liabilities Accrued Liabilities
Accrued liabilities consisted of the following:

March 31,December 31,
20222021
(in thousands)
Accrued construction expenses$135 $11,192 
Accrued insurance1,825 2,582 
Accrued payroll273 792 
Accrued agriculture expenses294 461 
Accrued legal fees3,448 273 
Accrued other746 720 
Total accrued liabilities$6,721 $16,020