Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets:
Real estate assets, net	$ 24,556,678	$ 9,997,978
Real estate assets - operating lease right-of-use assets	248,483	221,725
Investments in unconsolidated real estate entities	1,077,548	582,412
Investments in debt securities and notes receivable	891,311	858,049
Cash and cash equivalents	216,121	92,868
Other assets, net	635,677	414,426
Total assets	27,625,818	12,167,458
Liabilities, Noncontrolling Interests and Equity:
Notes payable, net	1,276,555	1,288,555
Unsecured term loans, net	3,247,076	2,340,116
Unsecured senior notes, net	5,805,448	2,757,791
Revolving lines of credit	623,000	945,000
Operating lease liabilities	242,441	229,035
Cash distributions in unconsolidated real estate ventures	69,445	67,352
Accounts payable and accrued expenses	430,124	171,680
Other liabilities	365,028	289,655
Total liabilities	12,059,117	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, 211,276,086 and 133,921,020 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively	2,113	1,339
Additional paid-in capital	14,742,973	3,345,332
Accumulated other comprehensive income	44,912	48,798
Accumulated deficit	(252,877)	(135,872)
Total Extra Space Storage Inc. stockholders' equity	14,537,121	3,259,597
Noncontrolling interest represented by Preferred Operating Partnership units, net	222,939	261,502
Noncontrolling interests in Operating Partnership, net and other noncontrolling interests	806,641	557,175
Total noncontrolling interests and equity	15,566,701	4,078,274
Total liabilities, noncontrolling interests and equity	$ 27,625,818	$ 12,167,458