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Leases (Tables)
 12 Months Ended
Dec. 31, 2024
Leases [Abstract]  
Schedule of Components of Expense and Supplemental Cash Flow Information
For the years ended December 31, 2024 and 2023, the components of operating lease expense were as follows:
 December 31,
 20242023
Fixed operating lease expense$4,850 $6,447 
Variable operating lease expense6,373 8,358 
Total operating lease expense$11,223 $14,805 
Supplemental cash flow information related to the Company's operating leases for the years ended December 31, 2024 and 2023 was as follows:
 December 31,
 20242023
Cash paid for amounts included in the measurement of operating lease liabilities$4,787 $6,148 
The Company also enters into finance leases for mining equipment and automobiles. Assets arising from finance leases are included in property, plant and equipment-net and the liabilities are included in current portion of long-term debt and long-term debt in the accompanying Consolidated Balance Sheets.
For the years ended December 31, 2024 and 2023, the components of finance lease expense were as follows:
 December 31,
 20242023
Amortization of right of use assets$9,814 $25,400 
Interest expense1,079 1,712 
Total finance lease expense$10,893 $27,112 
The following table presents the weighted average lease term and weighted average discount rate related to the Company's finance leases as of December 31, 2024 and 2023:
 December 31,
2024		December 31,
2023
Weighted average remaining lease term (in years)2.931.64
Weighted average discount rate6.59 %6.68 %
Schedule of Lease Assets and Liabilities
The following table presents the lease balances within the Consolidated Balance Sheets, weighted average lease term, and the weighted average discount rate related to the Company's operating leases at December 31, 2024 and 2023:
  December 31,
Lease Assets and LiabilitiesClassification20242023
Assets: 
  
  
Operating Lease ROU AssetsOther Assets$5,513 $14,658 
    
Liabilities: 
Current:   
Operating Lease LiabilitiesOperating Lease Liabilities$612 $4,769 
Long-Term:   
Operating Lease LiabilitiesOperating Lease Liabilities$5,466 $10,385 
Total Operating Lease Liabilities$6,078 $15,154 
    
Weighted average remaining lease term (in years)7.924.46
Weighted average discount rate7.74 %7.21 %
Lessee, Operating Lease, Liability, Maturity
The following table presents the future maturities of the Company's operating and finance lease liabilities, together with the present value of the net minimum lease payments, at December 31, 2024:
 Finance
Leases		Operating
Leases
2025$10,241 $1,058 
20267,527 932 
20277,318 967 
20281,661 975 
2029102 995 
Thereafter— 3,312 
Total minimum lease payments26,849 8,239 
Less amount representing interest2,654 2,161 
Present value of minimum lease payments$24,195 $6,078 
Finance Lease, Liability, Fiscal Year Maturity
The following table presents the future maturities of the Company's operating and finance lease liabilities, together with the present value of the net minimum lease payments, at December 31, 2024:
 Finance
Leases		Operating
Leases
2025$10,241 $1,058 
20267,527 932 
20277,318 967 
20281,661 975 
2029102 995 
Thereafter— 3,312 
Total minimum lease payments26,849 8,239 
Less amount representing interest2,654 2,161 
Present value of minimum lease payments$24,195 $6,078