Properties And Equipment (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) a	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Depreciation expense for operating property	$ 22,000	$ 21,500	$ 22,000
Capitalized interest		$ 2,400
Proceeds from sale of assets	$ 145,165
Shadow View Land And Farming, LLC [Member]
Property, Plant and Equipment [Line Items]
Area of property | a	202
Ownership percentage by parent	50.00%