Components of Rental Expense (Components Of Rental Expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components Of Rental Expense [Abstract]
Repairs and maintenance	$ 87,349	$ 90,343	$ 78,028
Utilities	35,109	34,226	27,808
Management fees and costs	30,203	27,416	24,919
Payroll	20,598	19,693	18,341
Insurance	18,273	16,380	14,406
Marketing	7,978	7,814	7,481
Ground rent	5,303	5,092	4,571
Other operating	26,853	27,994	22,567
Total rental expenses	$ 231,666	$ 228,958	$ 198,121