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Long-Term Debt - Maturities Of Long-Term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Instrument [Line Items] |  |
Less than one year | $ 48,948 |
One to two years | 9,186 |
Two to three years | 9,644 |
Three to four years | 5,001 |
Over five years | 300,000 |
Gross debt | 372,779 | $ 270,913
Unamortized debt discount | (1,404) |
Unamortized debt issuance costs | (9,653) | (6,838)
Total debt | 361,722 | 264,075
Less: current maturities | (48,292) | (38,200)
Long-term debt | 313,430 | 225,875
2026 Notes (mature February 2026) |  |
Debt Instrument [Line Items] |  |
Less than one year | 40,199 |
Gross debt | 40,199 | 200,000
Unamortized debt issuance costs | (656) |
Total debt | 39,543 |
Less: current maturities | (39,543) |
MARAD Debt (matures February 2027) |  |
Debt Instrument [Line Items] |  |
Less than one year | 8,749 |
One to two years | 9,186 |
Two to three years | 9,644 |
Three to four years | 5,001 |
Gross debt | 32,580 | $ 40,913
Unamortized debt issuance costs | (1,586) |
Total debt | 30,994 |
Less: current maturities | (8,749) |
Long-term debt | 22,245 |
2029 Notes (mature March 2029) |  |
Debt Instrument [Line Items] |  |
Over five years | 300,000 |
Gross debt | 300,000 |
Unamortized debt discount | (1,404) |
Unamortized debt issuance costs | (7,411) |
Total debt | 291,185 |
Long-term debt | $ 291,185 |

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