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)

v3.23.2

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) property partnership	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) property partnership	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Variable Interest Entity [Line Items]
Number of self storage properties \| property	1,117		1,117
Net book value of real estate owned	$ 5,701,460		$ 5,701,460		$ 5,618,911
Carrying value of fixed rate mortgages	3,650,075		3,650,075		3,560,570
Tenant Insurance and Tenant Warranty Protection Plan Revenues
Variable Interest Entity [Line Items]
Revenue	6,100	$ 4,900	11,600	$ 9,800
Fixed rate mortgages payable \| Fixed rate mortgages payable
Variable Interest Entity [Line Items]
Carrying value of fixed rate mortgages	$ 285,075		$ 285,075		299,570
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	$ 409,000		$ 409,000		412,900
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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