Discontinued Operations and Assets Held for Sale (Table Illustration of Number of Properties in Discontinued Operations) (Details)	1 Months Ended	12 Months Ended
Sep. 30, 2019	Dec. 31, 2021 buildings	Dec. 31, 2020 buildings	Dec. 31, 2019 buildings	Jan. 14, 2022
Number of Real Estate Properties Held for Sale		3
Number of Real Estate Properties Sold	18	30	7	28
Total Properties Sold or Classified as Held for Sale		68
Equity Method Investment, Ownership Percentage		20.00%			20.00%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant