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Basis of Presentation and Summary of Significant Accounting Policies (Real Estate Facilities) (Narrative) (Details)	9 Months Ended
	Sep. 30, 2021
Percentage of interest in real estate sold at fair value	100.00%
Minimum
Estimated useful lives of buildings and improvements (in years)	5 years
Maximum
Estimated useful lives of buildings and improvements (in years)	25 years

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- Definition

Gain (Loss) on Sale, Percentage of Interest in Real Estate Sold at Fair Value

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No definition available.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

+ Details

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