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DEBT (Tables) | 9 Months Ended
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Sep. 30, 2025
DEBT |
Schedule of debt | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
(In millions) |  | 2025 |  | 2024
Private Placement Term Loans: | ​ | ​ | ​ | ​ | ​ | ​
3.37 %, payable through 2027 | ​ | $ | 28.8 | ​ | $ | 34.6
3.14 %, payable through 2031 | ​ | ​ | 85.8 | ​ | ​ | 100.1
Title XI Debt: | ​ | ​ | ​ | ​ | ​ | ​
1.22 %, payable through 2043 | ​ | ​ | 146.4 | ​ | ​ | 150.3
1.35 %, payable through 2044 | ​ | ​ | 109.9 | ​ | ​ | 115.9
Revolving credit facility, maturity date of July 23, 2030 | ​ |  | — | ​ |  | —
Total Debt | ​ |  | 370.9 | ​ |  | 400.9
Less: Current portion | ​ |  | (39.7) | ​ |  | (39.7)
Total Long-term Debt | ​ | ​ | 331.2 | ​ | ​ | 361.2
Less: Deferred loan fees | ​ | ​ | (9.7) | ​ |  | (10.4)
Total Long-term Debt, net of deferred loan fees | ​ | $ | 321.5 | ​ | $ | 350.8
Schedule of maturities of debt | ​
​ | ​ | ​ | ​
​ | ​ | As of
Year (in millions) |  | September 30, 2025
Remainder of 2025 | ​ | $ | 9.7
2026 | ​ |  | 39.7
2027 | ​ |  | 39.7
2028 | ​ |  | 28.2
2029 | ​ |  | 28.2
Thereafter | ​ |  | 225.4
Total Debt | ​ | $ | 370.9
Schedule of deferred loan fees | ​
​ | ​ | ​ | ​
Deferred Loan Fees (in millions) |  | Amount
Balance at December 31, 2024 | ​ | $ | 10.4
Payments of deferred loan fees | ​ | ​ | 0.1
Amortization expense for the nine months ended September 30, 2025 | ​ |  | (0.8)
Balance at September 30, 2025 | ​ | $ | 9.7
Schedule of estimated amortization expense relating to deferred loan fees | ​
​ | ​ | ​ | ​
Year (in millions) |  | Amount
Remainder of 2025 | ​ | $ | 0.3
2026 | ​ |  | 1.0
2027 | ​ |  | 1.0
2028 | ​ |  | 0.9
2029 | ​ |  | 0.8
Thereafter | ​ |  | 5.7
Total amortization expense of deferred loan fees | ​ | $ | 9.7

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