v3.26.1
Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Schedule of long-term debt

Unamortized Discount and

Principal

Debt Issuance Costs

June 30, 

December 31, 

June 30, 

December 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

 

(in thousands)

Revolving credit facility

$

78,500

$

$

(3,894)

$

(5,007)

Alliance Coal term loan

 

24,610

 

31,640

 

(687)

 

(884)

8.625% Senior notes due 2029

400,000

400,000

(5,813)

(6,782)

Securitization facility

56,000

February 2024 equipment financing

24,970

31,816

Installment purchase arrangement

5,902

 

589,982

 

463,456

 

(10,394)

 

(12,673)

Less current maturities

 

(85,498)

 

(28,041)

 

4,394

 

4,395

Total long-term debt

$

504,484

$

435,415

$

(6,000)

$

(8,278)