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Senior Long-Term Debt And Other Debt (Tables)
 12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Summary Of Senior Long-Term Debt And Other Debt
The following table summarizes the Company's senior long-term debt and other debt.

December 31,
(dollars in thousands)20232022
3.625% unsecured senior notes, due March 30, 2023, interest payable semi-annually, net of unamortized discount of $50 in 2022
— 249,940 
3.50% unsecured senior notes, due November 1, 2027, interest payable semi-annually, net of unamortized discount of $876 in 2023 and $1,161 in 2022
298,869 298,502 
3.35% unsecured senior notes, due September 17, 2029, interest payable semi-annually, net of unamortized discount of $1,421 in 2023 and $1,668 in 2022
298,294 297,997 
7.35% unsecured senior notes, due August 15, 2034, interest payable semi-annually, net of unamortized discount of $731 in 2023 and $800 in 2022
129,076 129,004 
5.0% unsecured senior notes, due March 30, 2043, interest payable semi-annually, net of unamortized discount of $4,311 in 2023 and $4,535 in 2022
245,451 245,214 
5.0% unsecured senior notes, due April 5, 2046, interest payable semi-annually, net of unamortized discount of $5,445 in 2023 and $5,689 in 2022
493,860 493,585 
4.30% unsecured senior notes, due November 1, 2047, interest payable semi-annually, net of unamortized discount of $3,516 in 2023 and $3,669 in 2022
295,870 295,691 
5.0% unsecured senior notes, due May 20, 2049, interest payable semi-annually, net of unamortized discount of $6,639 in 2023 and $6,900 in 2022
592,233 591,927 
4.15% unsecured senior notes, due September 17, 2050, interest payable semi-annually, net of unamortized discount of $4,740 in 2023 and $4,917 in 2022
494,546 494,342 
3.45% unsecured senior notes, due May 7, 2052, interest payable semi-annually, net of unamortized discount of $7,904 in 2023 and $8,182 in 2022
591,000 590,689 
Other debt, with a weighted average interest rate of 5.0% in 2023 and 3.4% in 2022
340,597 416,738 
Senior long-term debt and other debt$3,779,796 $4,103,629 
Summary Of Future Principal Payments Due At Maturity On Senior Long-Term Debt And Other Debt
The following table summarizes the future principal payments due at maturity on senior long-term debt and other debt as of December 31, 2023.

(dollars in thousands)
Senior long-term debtOther debtTotal
Years Ending December 31,
2024$— $76,150 $76,150 
2025— 28,944 28,944 
2026— 28,567 28,567 
2027300,000 154,386 454,386 
2028— 16,178 16,178 
2029 and thereafter3,179,846 39,638 3,219,484 
Total principal payments3,479,846 343,863 3,823,709 
Net unamortized discount(35,585)— (35,585)
Net unamortized debt issuance costs(5,062)(3,266)(8,328)
Total
$3,439,199 $340,597 $3,779,796