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Share-Based Compensation Arrangement By Share-Based Payment Award, Common Shares Issued From Vesting

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost capitalized for award under share-based payment arrangement.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-Based Compensation (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) shares	Jun. 30, 2024 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation cost capitalized \| $	$ 500	$ 1,200	$ 1,100	$ 1,800
Unrecognized compensation cost \| $	$ 75,500		$ 75,500
Compensation recognition period (in years)			3 years
Partnership units conversion ratio	1		1
Shares issued from vesting (in shares)			9,794
Share-based compensation expense \| $	$ 10,621	10,827	$ 20,904	21,174
LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Partnership units conversion ratio	1		1
Granted (in shares)			914
PSA OP Common Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Partnership units conversion ratio	1		1
Performance-Based LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			36,802
Award performance period (in years)			3 years
Stock Options and AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period (in years)			10 years
Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			38,624
Share-based compensation expense \| $	$ 7,500	8,100	$ 15,700	16,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense \| $	$ 3,400	$ 3,700	$ 5,800	$ 6,600
Minimum \| Restricted Share Units and LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			5 years
Minimum \| Performance-Based LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units, grantees earnings (in shares)			0
Minimum \| Stock Options and AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Maximum \| Restricted Share Units and LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			8 years
Maximum \| Performance-Based LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units, grantees earnings (in shares)			73,604
Maximum \| Stock Options and AO LTIP Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			5 years