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Investments in Unconsolidated Real Estate Entities - (Schedule Of Investments In Real Estate Entities and Operation Statements) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Revenue	$ 4,182,163	$ 3,415,824	$ 2,915,068
Costs of operations	2,192,114	1,826,054	1,560,201
Gain on sale of real estate	1,503	13,683	1,493
Net income	4,366,274	1,959,639	1,361,227
PSB and Shurgard
Schedule of Equity Method Investments [Line Items]
Revenue	572,192	790,461	721,393
Costs of operations	193,868	263,398	242,992
Operating income	220,948	333,624	290,901
Gain on sale of real estate	128,743	359,904	27,234
Net income	$ 299,226	$ 639,062	$ 275,680

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-Subparagraph (SX 210.5-03(1))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

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+ References

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