National Storage Affiliates Trust Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- COVER PAGE
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)

v3.22.2

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) partnership property	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) partnership property	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Variable Interest Entity [Line Items]
Number of self storage properties \| property	1,076		1,076
Net book value of real estate owned	$ 5,344,491		$ 5,344,491		$ 5,219,471
Carrying value of fixed rate mortgages	3,151,781		3,151,781		2,948,944
Retail Products and Supplies
Variable Interest Entity [Line Items]
Revenue	700	$ 700	1,300	$ 1,200
Fixed rate mortgages payable \| Fixed rate mortgages payable
Variable Interest Entity [Line Items]
Carrying value of fixed rate mortgages	$ 301,781		$ 301,781		303,944
VIE, Primary Beneficiary
Variable Interest Entity [Line Items]
Number of partnerships considered to be VIEs \| partnership	22		22
Number of self storage properties \| property	48		48
Net book value of real estate owned	$ 418,400		$ 418,400		425,700
VIE, Primary Beneficiary \| Fixed rate mortgages payable \| Fixed rate mortgages payable
Variable Interest Entity [Line Items]
Carrying value of fixed rate mortgages	$ 188,700		$ 188,700		$ 188,700

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