Debt (Summary Of Company's Senior Notes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument
Senior note carrying value	$ 1,582,820	$ 1,891,252
Debt Issuance Costs, Net	(6,324)	(8,047)
Other Notes Payable	35,766	70,966
Notes payable	1,618,586	1,962,218
Notes Payable, Fair Value Disclosure	1,701,270	2,080,187
Gain (loss) on debt retirement	(222)	663	$ 0
5.500% unsecured senior notes due March 2026 [Member] | Senior Notes [Member]
Debt Instrument
Senior note carrying value	251,867	455,424
Senior Unsecured Term Loan Maturing January 3, 2027 [Member] [Domain] | Senior Notes [Member]
Debt Instrument
Senior note carrying value	$ 337,277	$ 443,875
Debt instrument, interest rate, stated percentage	5.00%	5.00%
Senior Notes [Member]
Debt Instrument
Notes payable	$ 1,600,000	$ 1,900,000
Senior Notes [Member] | 5.500% unsecured senior notes due March 2026 [Member]
Debt Instrument
Debt instrument, interest rate, stated percentage	5.50%	5.50%
Unsecured Senior Notes 7.875% Due June 2032 [Member]
Debt Instrument
Senior note carrying value	$ 300,000	$ 300,000
Debt instrument, interest rate, stated percentage	7.875%	7.875%
Unsecured Senior Notes 6.375% Due May 2033 [Member]
Debt Instrument
Senior note carrying value	$ 400,000	$ 400,000
Debt instrument, interest rate, stated percentage	6.375%	6.375%
Unsecured Senior Notes 6.00% Due February 2035 [Member]
Debt Instrument
Senior note carrying value	$ 300,000	$ 300,000
Debt instrument, interest rate, stated percentage	6.00%	6.00%