Investments in Unconsolidated Real Estate Entities - Schedule of Equity in Earnings of Unconsolidated Real Estate Ventures (Details) $ in Thousands		12 Months Ended
	Jul. 20, 2023 store	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		$ 67,272	$ 54,835	$ 41,428
Life Storage, Inc
Schedule of Equity Method Investments [Line Items]
Interest purchased, number of unconsolidated joint ventures | store	16
Equity in earnings of PRISA Self Storage LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		3,212	3,320	3,272
Equity in earnings of HF1 Sovran HHF Storage Holdings LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		4,977	1,553	0
Equity in earnings of Storage Portfolio II JV LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		2,661	3,094	3,398
Equity in earnings of Storage Portfolio IV JV LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		1,440	1,319	917
Equity in earnings of Storage Portfolio I LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		4,822	5,182	4,684
Equity in earnings of PR II EXR JV LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		2,351	2,227	1,229
Equity in earnings of HF2 Sovran HHF Storage Holdings II LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		2,466	691	0
Equity in earnings of HF5 Life Storage-HIERS Storage LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		761	377	0
Equity in earnings of HF6 191 V Life Storage Holdings LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		(891)	(735)	0
Equity in earnings of ESS-CA TIVS JV LP
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		3,574	3,873	2,753
Equity in earnings of VRS Self Storage, LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		5,186	5,253	5,401
Equity in earnings of HF10 Life Storage HHF Wasatch Holdings LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		598	40	0
Equity in earnings of other minority owned stores
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		10,847	7,740	7,265
Dividend income from SmartStop preferred stock
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		12,755	12,500	12,509
Dividend income from Strategic Storage preferred stock
Schedule of Equity Method Investments [Line Items]
Equity in earnings and dividend income from unconsolidated real estate entities		$ 12,513	$ 8,401	$ 0