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Long-Term Debt (Tables)
9 Months Ended
Sep. 30, 2024
Debt Disclosure [Abstract]  
Summary of Long-Term Debt
Long-term debt consisted of the following at September 30, 2024 and December 31, 2023 (in thousands):
September 30, 2024December 31, 2023
3.95% Senior Notes Due 2028
$482,505 $482,505 
5.15% Senior Notes Due 2029
344,895 344,895 
7.15% Senior Notes Due 2033
400,000 400,000 
Equipment Loans Due 20259,530 18,686 
1,236,930 1,246,086 
Less deferred financing costs and discounts(7,956)(8,919)
Less current portion(9,513)(12,226)
Total$1,219,461 $1,224,941 
Schedule of Principal Repayment Requirements of Long-Term Debt
Presented below is a schedule of the principal repayment requirements of long-term debt by fiscal year as of September 30, 2024 (in thousands):
Year ending December 31,
2024$3,135 
20256,395 
2026— 
2027— 
2028482,505 
2029344,895 
Thereafter400,000 
Total$1,236,930