Description Of Business And Segment Reporting (Schedule Of Operating Property By Country) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Total operating property	$ 262,417	$ 286,952
United States [Member]
Segment Reporting Information [Line Items]
Total operating property	153,545	171,756
Australia [Member]
Segment Reporting Information [Line Items]
Total operating property	90,221	95,467
New Zealand [Member]
Segment Reporting Information [Line Items]
Total operating property	$ 18,651	$ 19,729