Description Of Business And Segment Reporting (Schedule Of Operating Property By Country) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total operating property	$ 306,657	$ 353,125
United States [Member]
Segment Reporting Information [Line Items]
Total operating property	177,918	182,416
Australia [Member]
Segment Reporting Information [Line Items]
Total operating property	107,343	144,573
New Zealand [Member]
Segment Reporting Information [Line Items]
Total operating property	$ 21,396	$ 26,136

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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