National Storage Affiliates Trust Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Cover Page
- Audit Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

EQUITY-BASED AWARDS - Performance-Based LTIP Units Activity (Details)

v3.24.0.1

EQUITY-BASED AWARDS - Performance-Based LTIP Units Activity (Details) - Performance-Based LTIP Units - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Weighted Average Grant-Date Fair Value
Unvested at beginning of year (in dollars per share)	$ 44.99	$ 35.98	$ 30.69
Granted (in dollars per share)	42.28	61.66	41.68
Vested (in dollars per share)	19.27	29.76	24.76
Forfeited (in dollars per share)	16.85	0	24.21
Unvested at end of year (in dollars per share)	$ 23.42	$ 44.99	$ 35.98
Minimum
Number of LTIP units
Unvested units at beginning of year (in shares)	0	0	0
Granted (in shares)	0	0	0
Vested (in shares)	0	0	0
Forfeited (in shares)	0	0	0
Unvested units at end of year (in shares)	0	0	0
Target
Number of LTIP units
Unvested units at beginning of year (in shares)	143,474	146,101	134,487
Granted (in shares)	74,162	40,117	49,522
Vested (in shares)	(21,916)	(42,744)	(37,908)
Forfeited (in shares)	(31,923)	0	0
Unvested units at end of year (in shares)	163,797	143,474	146,101
Maximum
Number of LTIP units
Unvested units at beginning of year (in shares)	286,936	292,193	250,014
Granted (in shares)	148,324	80,228	99,041
Vested (in shares)	(43,832)	(85,485)	(47,206)
Forfeited (in shares)	(63,835)	0	(9,656)
Unvested units at end of year (in shares)	327,593	286,936	292,193

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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