Organization and Significant Accounting Policies - Revenues and Tenant and Other Receivables (Parentheticals) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021
Other transaction fees [Member]
Schedule Of Lease Income And Tenant Receivables [Line Items]
Business acquisition consideration transferred, Net	$ 13.6	$ 13.6