Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Redemption of units for cash	Redemption of units for stock	Series A Units Redemption of units for stock and cash	Series B Units Redemption of units for cash	Series B Units Redemption of units for stock	Series D Units	Series D Units Redemption of units for cash	Series D Units Redemption of units for stock	Preferred Operating Partnership	Preferred Operating Partnership Series A Units Redemption of units for stock and cash	Preferred Operating Partnership Series B Units Redemption of units for cash	Preferred Operating Partnership Series B Units Redemption of units for stock	Preferred Operating Partnership Series D Units	Preferred Operating Partnership Series D Units Redemption of units for cash	Preferred Operating Partnership Series D Units Redemption of units for stock	Operating Partnership	Operating Partnership Redemption of units for cash	Operating Partnership Redemption of units for stock	Other	Common stock	Common stock Redemption of units for stock	Common stock Series A Units Redemption of units for stock and cash	Common stock Series B Units Redemption of units for stock	Common stock Series D Units Redemption of units for stock	Additional Paid-in Capital	Additional Paid-in Capital Redemption of units for cash	Additional Paid-in Capital Redemption of units for stock	Additional Paid-in Capital Series A Units Redemption of units for stock and cash	Additional Paid-in Capital Series B Units Redemption of units for stock	Additional Paid-in Capital Series D Units Redemption of units for stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance at Dec. 31, 2020	$ 2,936,124									$ 172,052							$ 215,892			$ 401	$ 1,314					$ 3,000,458						$ (99,093)	$ (354,900)
Beginning balance (in shares) at Dec. 31, 2020																					131,357,961
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon the exercise of options	$ 4,572																									4,572
Issuance of common stock upon the exercise of options (in shares)	62,322																				62,322
Issuance of common stock in connection with share based compensation	$ 17,303																									17,303
Issuance of common stock in connection with share based compensation (in shares)																					148,228
Restricted stock grants cancelled (in shares)																					(12,808)
Issuance of common stock, net of offering costs (in shares)																					2,185,685
Issuance of common stock, net of offering costs	273,189																				$ 22					273,167
Redemption of noncontrolling interests		$ (788)	$ 0			$ 0							$ (2,834)					$ (173)	$ (6,373)			$ 2		$ 1			$ (615)	$ 6,371		$ 2,833
Redemption of noncontrolling interests (in shares)																						165,652		15,265
Repayment of receivable with Operating Partnership units pledged as collateral	411																411
Issuance of Operating Partnership units in conjunction with acquisitions	188,319						$ 88,074							$ 88,074			188,319
Purchase of remaining equity interest in existing consolidated joint venture	(18,141)																									(18,141)
Noncontrolling interest in consolidated joint ventures	(82)																			(82)
Net income (loss)	877,758									14,697							35,414			(2)													827,649
Other comprehensive income (loss)	59,325									366							2,412															56,547
Distributions to Operating Partnership units held by noncontrolling interests	(39,094)									(13,245)							(25,849)
Dividends paid on common stock	(600,994)																																(600,994)
Ending balance at Dec. 31, 2021	$ 3,785,976									259,110							410,053			317	$ 1,339					3,285,948						(42,546)	(128,245)
Ending balance (in shares) at Dec. 31, 2021																					133,922,305
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon the exercise of options (in shares)	0
Issuance of common stock in connection with share based compensation	$ 21,388																				$ 2					21,386
Issuance of common stock in connection with share based compensation (in shares)																					204,349
Issuance of Preferred D units in the Operating Partnership in conjunction with business combination							$ 6,000							$ 6,000
Issuance of common stock in conjunction with acquisition (in shares)																					186,766
Issuance of common stock in conjunction with acquisitions	40,963																				$ 2					40,961
Restricted stock grants cancelled (in shares)																					(10,614)
Issuance of Operating Partnership units in conjunction with business combination	16,000																16,000
Redemption of noncontrolling interests		(4,617)			$ (4,500)							$ (4,500)						(1,654)									(2,963)
Issuance of Operating Partnership units in conjunction with acquisitions	125,000																125,000
Repurchase of common stock, net of offering costs	(63,008)																				$ (4)												(63,004)
Repurchase of common stock, net of offering costs (in shares)																					(381,786)
Noncontrolling interest in consolidated joint ventures	771																			771
Net income (loss)	921,156									17,623							42,853			(8)													860,688
Other comprehensive income (loss)	96,249									577							4,328															91,344
Distributions to Operating Partnership units held by noncontrolling interests	(57,793)									(17,308)							(40,485)
Dividends paid on common stock	(805,311)																																(805,311)
Ending balance at Dec. 31, 2022	$ 4,078,274									261,502							556,095			1,080	$ 1,339					3,345,332						48,798	(135,872)
Ending balance (in shares) at Dec. 31, 2022	133,921,020																				133,921,020
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon the exercise of options (in shares)	0
Issuance of common stock in connection with share based compensation	$ 26,638																				$ 2					26,636
Issuance of common stock in connection with share based compensation (in shares)																					149,995
Taxes paid upon net settlement of share based compensation	$ (7,640)																									(7,640)
Taxes paid upon net settlement of share based compensation (in shares)																					(8,295)
Restricted stock grants cancelled (in shares)																					(10,084)
Redemption of noncontrolling interests		$ (108)	$ 0	$ (5,316)				$ (377)	$ 0		$ (16,339)				$ (377)	$ (22,265)		$ (89)	$ (225)				$ 8		$ 2		$ (19)	$ 225	$ 11,015		$ 22,263
Redemption of noncontrolling interests (in shares)																						2,803	851,698		154,307
Repurchase of common stock, net of offering costs (in shares)	0
Life Storage Merger issuance of common stock and Operating Partnership units	$ 11,602,808																249,470				$ 762					11,352,576
Life Storage Merger issuance of common stock and Operating Partnership Units (in shares)																					76,217,359
Noncontrolling interest in consolidated joint ventures	7,959																			7,959
Net income (loss)	850,453									9,011							38,369			(125)													803,198
Other comprehensive income (loss)	(32,752)																(1,389)															(31,363)
Distributions to Operating Partnership units held by noncontrolling interests	(59,649)									(9,172)							(50,477)
Dividends paid on common stock	(1,046,341)																																(1,046,341)
Ending balance at Dec. 31, 2023	$ 15,413,949									$ 222,360							$ 791,754			$ 8,914	$ 2,113					$ 14,750,388						$ 17,435	$ (379,015)
Ending balance (in shares) at Dec. 31, 2023	211,278,803																				211,278,803