Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended		24 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021
Lessor, Lease, Description [Line Items]
Credit losses against billed rent receivables - COVID		$ 1.1	$ 11.2
Credit losses against deferred (straight-line) rent receivables - COVID			$ 19.6
Rent deferrals - COVID-19				$ 10.1
Abated deferred rent - COVID-19				4.0
Collection of deferred rent - COVID -19				$ 1.2
Proceeds from insurance for COVID-19 related losses	$ 4.5
Minimum
Lessor, Lease, Description [Line Items]
Estimated useful lives		3 years
Maximum
Lessor, Lease, Description [Line Items]
Estimated useful lives		40 years