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Real Property Acquisition (Components Of Other Income, Net) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Business Acquisition [Line Items]
Other income, net	$ 263
Building [Member] | Austin, Texas [Member]
Business Acquisition [Line Items]
Lease revenue	573
Property depreciation and amortization	(310)
Other income, net	$ 263

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Amount of income related to nonoperating activities, classified as other.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
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