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Investments in Unconsolidated Real Estate Entities (Schedule Of Investments In Real Estate Entities and Equity In Earnings Of Real Estate Entities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate entities	$ 275,752	$ 828,763
Equity in Earnings of Unconsolidated Real Estate	106,981	232,093	$ 80,497
PSB
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate entities	0	515,312
Equity in Earnings of Unconsolidated Real Estate	80,596	207,722	64,835
Shurgard
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated real estate entities	275,752	313,451
Equity in Earnings of Unconsolidated Real Estate	$ 26,385	$ 24,371	$ 15,662

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- Definition

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