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Noncontrolling Interests (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) storageFacility	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) storageFacility shares	Sep. 30, 2020 USD ($)
Noncontrolling Interest [Line Items]
Income allocated to other permanent noncontrolling interest in subsidiaries	$ 1,537	$ 980	$ 4,067	$ 2,849
Distributions paid	1,706	1,418	4,513	3,968
Contributions by noncontrolling interests	$ 594	858	$ 2,359	2,291
Noncontrolling Interests
Noncontrolling Interest [Line Items]
Permanent noncontrolling interest in subsidiaries, number of self-storage facilities | storageFacility	24		24
Permanent noncontrolling interest in subsidiaries, number of self-storage facilities under construction | storageFacility			5
Convertible partnership units (in shares) | shares			231,978
Partnership units conversion ratio			1
Income allocated to other permanent noncontrolling interest in subsidiaries	$ 1,537	980	$ 4,067	2,849
Distributions paid	1,706	1,418	4,513	3,968
Contributions by noncontrolling interests	$ 594	$ 858	$ 2,359	$ 2,291

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Contributions by noncontrolling interests

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Convertible Partnership Units.

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Partnership Units Conversion Ratio to Common Shares

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The number of facilities owned by the 28 entities that Public Storage has permanent noncontrolling interests in at the end of the reporting period.

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The number of facilities under construction, owned by the 28 entities that Public Storage has permanent noncontrolling interests in at the end of the reporting period

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Amount, before tax, of income (loss) attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.19)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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