Subsequent Events (Narrative) (Details) - USD ($) $ in Millions	2 Months Ended	12 Months Ended
Feb. 26, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Gross Proceeds From Sale Of Real Estate		$ 194.2
Subsequent Event [Member]
Subsequent Event [Line Items]
Gross Proceeds From Sale Of Real Estate	$ 53.8

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration