v3.26.1
Long-Term Debt (Tables)
 6 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt
Long-term debt consisted of the following (in millions):
June 30,
2026		December 31,
2025
Senior secured revolving credit facility$18.3 $94.6 
9.75% Senior Notes due 2031
555.0 — 
9.25% Senior Notes due 2029
200.0 200.0 
9.75% Senior Notes due 2028
325.0 325.0 
9.75% Senior Notes due 2028 - Mirror Issuance Notes
100.0 100.0 
8.125% Senior Notes due 2027
— 325.0 
11.00% Senior Notes due 2026
— 124.4 
DOE Loan835.2 815.4 
Shreveport terminal asset financing arrangement111.2 116.1 
Montana terminal asset financing arrangement15.9 22.5 
Montana refinery asset financing arrangement138.8 142.7 
Finance lease obligations1.0 1.9 
Unamortized debt issuance costs (1)
(43.8)(32.5)
Unamortized (discounts) and premium, net2.1 (1.6)
Total debt$2,258.7 $2,233.5 
Less current portion of long-term debt33.5 156.2 
Total long-term debt$2,225.2 $2,077.3 
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(1)Deferred debt issuance costs are being amortized by the effective interest rate method over the lives of the related debt instruments. These amounts are net of accumulated amortization of $18.1 million and $23.2 million at June 30, 2026 and December 31, 2025, respectively.
Schedule of Maturities of Long-Term Debt
As of June 30, 2026, principal payments on debt obligations and future minimum rentals on finance lease obligations are as follows (in millions):
YearMaturity
2026$16.7 
202729.2 
2028447.6 
2029255.9 
203074.6 
Thereafter1,476.4 
Total Principal Payments$2,300.4 
Unamortized debt issuance costs and debt (discounts) premiums, net(41.7)
Total debt$2,258.7