Summary Of Significant Accounting Policies Impacts of COVID-19 Pandemic (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue Recognition and Accounts Receivable [Abstract]
Collectibility adjustment (increase) decrease in revenue	$ (0.9)	$ 0.6	$ (2.9)	$ 21.8
Percentage of tenants with revenue recognized on a cash basis	31.00%		31.00%
Rent deferred	$ 47.0		$ 47.0
Previously deferred rent, amount collected	$ 33.0		$ 33.0

Amount of excess of rental income recognized over rental payment required by lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 25
-Paragraph 11
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