Noncontrolling Interests (Property Partnerships) (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Noncontrolling Interest [Line Items]
Noncontrolling Interest in Limited Partnerships	$ 1,551,501	$ 1,556,553

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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