CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
REVENUE
Rental revenue	$ 169,838	$ 174,369	$ 339,313	$ 354,751
Total revenue	188,842	190,448	377,196	386,596
OPERATING EXPENSES
Property operating expenses	55,627	52,201	110,731	106,895
General and administrative expenses	12,804	16,189	25,949	31,863
Depreciation and amortization	47,612	46,710	95,728	94,041
Other	4,500	3,375	8,976	6,867
Total operating expenses	120,543	118,475	241,384	239,666
OTHER (EXPENSE) INCOME
Interest expense	(41,269)	(37,228)	(81,744)	(75,345)
Equity in (losses) of unconsolidated real estate ventures	(3,945)	(4,449)	(9,684)	(6,079)
Acquisition and integration costs	(2,040)	(480)	(4,485)	(987)
Non-operating income	462	337	822	435
Gain on sale of self storage properties	9,571	2,668	10,996	63,841
Other expense, net	(37,221)	(39,152)	(84,095)	(18,135)
Income before income taxes	31,078	32,821	51,717	128,795
Income tax expense	(120)	(541)	(1,240)	(1,427)
Net income	30,958	32,280	50,477	127,368
Net income attributable to noncontrolling interests	(11,487)	(15,218)	(18,012)	(51,279)
Net income attributable to National Storage Affiliates Trust	19,471	17,062	32,465	76,089
Distributions to preferred shareholders	(5,114)	(5,110)	(10,228)	(10,220)
Net income attributable to common shareholders	$ 14,357	$ 11,952	$ 22,237	$ 65,869
Denominator
Earnings per share - basic (in dollars per share)	$ 0.19	$ 0.16	$ 0.29	$ 0.85
Earnings per share - diluted (in dollars per share)	$ 0.19	$ 0.16	$ 0.29	$ 0.85
Weighted average shares outstanding - basic (in shares)	76,474	75,160	76,423	77,698
Weighted average shares outstanding - diluted (in shares)	76,474	75,160	76,423	77,698
Dividends declared per common share (in dollars per share)	$ 0.57	$ 0.56	$ 1.14	$ 1.12
Other property-related revenue
REVENUE
Revenue	$ 6,774	$ 6,557	$ 13,518	$ 13,249
Management fees and other revenue
REVENUE
Revenue	$ 12,230	$ 9,522	$ 24,365	$ 18,596