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Senior Long-Term Debt And Other Debt (Summary Of Future Principal Payments Due At Maturity On Senior Long-Term Debt And Other Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
2025	$ 41,843
2026	41,902
2027	458,376
2028	16,724
2029	315,182
2030 and thereafter	3,505,751
Total principal payments	4,379,778
Net unamortized discount	(40,889)
Net unamortized debt issuance costs	(8,548)
Senior long-term debt and other debt	4,330,341	$ 3,779,796
Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
2025	0
2026	0
2027	300,000
2028	0
2029	300,000
2030 and thereafter	3,479,846
Total principal payments	4,079,846
Net unamortized discount	(40,889)
Net unamortized debt issuance costs	(5,998)
Senior long-term debt and other debt	4,032,959
Other Debt [Member]
Debt Instrument [Line Items]
2025	41,843
2026	41,902
2027	158,376
2028	16,724
2029	15,182
2030 and thereafter	25,905
Total principal payments	299,932
Net unamortized discount	0
Net unamortized debt issuance costs	(2,550)
Senior long-term debt and other debt	$ 297,382	$ 340,597

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