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Real Property Acquisition (Components Of Other Income, Net) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Acquisition [Line Items]
Other income, net	$ 210	$ 176	$ 748	$ 176
Two-building office complex [Member] | Austin, Texas [Member]
Business Acquisition [Line Items]
Lease revenue	620	347	1,780	347
Property depreciation and amortization	(410)	(171)	(1,032)	(171)
Other income, net	$ 210	$ 176	$ 748	$ 176

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