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DEBT (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
DEBT |
Schedule of debt | The Company’s debt consists of the following as of December 31, 2022 and 2021:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
(In millions) |  | 2022 |  | 2021
Private Placement Term Loans: | ​ | ​ | ​ | ​ | ​ | ​
3.66 %, payable through 2023 | ​ | $ | 4.5 | ​ | $ | 13.7
4.16 %, payable through 2027 | ​ |  | — | ​ |  | 28.8
3.37 %, payable through 2027 | ​ | ​ | 57.7 | ​ | ​ | 69.2
3.14 %, payable through 2031 | ​ | ​ | 132.8 | ​ | ​ | 151.2
4.31 %, payable through 2032 | ​ |  | — | ​ |  | 25.4
Title XI Debt: | ​ | ​ | ​ | ​ | ​ | ​
5.34 %, payable through 2028 | ​ |  | 13.2 | ​ |  | 15.4
5.27 %, payable through 2029 | ​ |  | 15.4 | ​ |  | 17.6
1.22 %, payable through 2043 | ​ | ​ | 166.2 | ​ | ​ | 174.1
1.35 %, payable through 2044 | ​ | ​ | 127.7 | ​ | ​ | 133.6
Total Debt | ​ |  | 517.5 | ​ |  | 629.0
Less: Current portion | ​ |  | (76.9) | ​ |  | (65.0)
Total Long-term Debt | ​ | ​ | 440.6 | ​ | ​ | 564.0
Less: Deferred loan fees | ​ | ​ | (12.9) | ​ | ​ | (14.3)
Total Long-term Debt, net of deferred loan fees | ​ | $ | 427.7 | ​ | $ | 549.7
​
Schedule of maturities of debt | ​
​ | ​ | ​ | ​
​ | ​ | As of
Year (in millions) |  | December 31, 2022
2023 | ​ | $ | 76.9
2024 | ​ |  | 39.7
2025 | ​ |  | 39.7
2026 | ​ |  | 39.7
2027 | ​ |  | 39.7
Thereafter | ​ |  | 281.8
Total Debt | ​ | $ | 517.5
​
Schedule of deferred loan fees | ​
​ | ​ | ​ | ​
Deferred Loan Fees (in millions) |  | Amount
Deferred financing costs related to Title XI bonds and private placement debt amendments | ​ | $ | 14.3
Deferred fees expensed related to the redemption of private placement debt | ​ | ​ | (0.1)
Amortization expense for the year ended December 31, 2022 | ​ |  | (1.3)
Balance at December 31, 2022 | ​ | $ | 12.9
​
Schedule of estimated amortization expense relating to deferred laon fees | ​
​ | ​ | ​ | ​
Year (in millions) |  | Amount
2023 | ​ | $ | 1.3
2024 | ​ |  | 1.2
2025 | ​ |  | 1.1
2026 | ​ |  | 1.0
2027 | ​ |  | 0.9
Thereafter | ​ |  | 7.4
Total amortization expense of deferred loan fees | ​ | $ | 12.9
​

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