Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets:
Real estate assets, net	$ 24,555,873	$ 9,997,978
Real estate assets - operating lease right-of-use assets	227,241	221,725
Investments in unconsolidated real estate entities	1,071,617	582,412
Investments in debt securities and notes receivable	904,769	858,049
Cash and cash equivalents	99,062	92,868
Other assets, net	597,700	414,426
Total assets	27,456,262	12,167,458
Liabilities, Noncontrolling Interests and Equity:
Notes payable, net	1,273,549	1,288,555
Unsecured term loans, net	2,650,581	2,340,116
Unsecured senior notes, net	6,410,618	2,757,791
Revolving lines of credit	682,000	945,000
Operating lease liabilities	236,515	229,035
Cash distributions in unconsolidated real estate ventures	71,069	67,352
Accounts payable and accrued expenses	334,518	171,680
Other liabilities	383,463	289,655
Total liabilities	12,042,313	8,089,184
Commitments and contingencies
Extra Space Storage Inc. stockholders' equity:
Preferred stock, $0.01 par value, 50,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $0.01 par value, 500,000,000 shares authorized, 211,278,803 and 133,921,020 shares issued and outstanding at December 31, 2023 and 2022, respectively	2,113	1,339
Additional paid-in capital	14,750,388	3,345,332
Accumulated other comprehensive income	17,435	48,798
Accumulated deficit	(379,015)	(135,872)
Total Extra Space Storage Inc. stockholders' equity	14,390,921	3,259,597
Noncontrolling interest represented by Preferred Operating Partnership units, net	222,360	261,502
Noncontrolling interests in Operating Partnership, net and other noncontrolling interests	800,668	557,175
Total noncontrolling interests and equity	15,413,949	4,078,274
Total liabilities, noncontrolling interests and equity	$ 27,456,262	$ 12,167,458