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Other Long-Term Assets
 12 Months Ended
Dec. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Long-Term Assets Other Long-Term Assets
Other long-term assets consisted of the following (in thousands):
 December 31, 2023December 31, 2022
Advance mining royalties$11,268 $7,087 
ABL Facility origination fees3,003 4,003 
Other7,716 8,741 
Total other long-term assets$21,987 $19,831