Long-Term Debt - Maturities Of Long-Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Dec. 01, 2023
Debt Instrument [Line Items]
Less than one year	$ 9,186
One to two years	9,644
Two to three years	5,001
Four to five years	300,000
Gross debt	323,831	$ 372,779
Unamortized debt discount	(1,243)
Unamortized debt issuance costs	(7,915)
Total debt	314,673
Less: current maturities	(9,186)	(48,292)
Long-term debt	305,487	313,430
MARAD Debt (matures February 2027)
Debt Instrument [Line Items]
Less than one year	9,186
One to two years	9,644
Two to three years	5,001
Gross debt	23,831	32,580
Unamortized debt issuance costs	(1,220)
Total debt	22,611
Less: current maturities	(9,186)
Long-term debt	13,425
2029 Notes (mature March 2029)
Debt Instrument [Line Items]
Four to five years	300,000
Gross debt	300,000	$ 300,000	$ 300,000
Unamortized debt discount	(1,243)
Unamortized debt issuance costs	(6,695)
Total debt	292,062
Long-term debt	$ 292,062