Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Real estate assets, net	$ 8,834,649	$ 7,893,802
Real estate assets - operating lease right-of-use assets	227,949	252,172
Investments in unconsolidated real estate entities	457,326	397,444
Investments in debt securities and notes receivable	719,187	593,810
Cash and cash equivalents	71,126	109,124
Restricted cash	5,068	18,885
Other assets, net	159,172	130,611
Total assets	10,474,477	9,395,848
Liabilities, Noncontrolling Interests and Equity:
Notes payable, net	1,320,755	2,283,454
Unsecured term loans, net	1,741,926	1,194,383
Unsecured senior notes, net	2,360,066	1,319,466
Revolving lines of credit	535,000	949,000
Operating lease liabilities	233,356	263,485
Cash distributions in unconsolidated real estate ventures	63,582	47,126
Accounts payable and accrued expenses	142,285	130,012
Other liabilities	291,531	272,798
Total liabilities	6,688,501	6,459,724
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, 133,922,305 and 131,357,961 shares issued and outstanding at December 31, 2021 and 2020, respectively	1,339	1,314
Additional paid-in capital	3,285,948	3,000,458
Accumulated other comprehensive loss	(42,546)	(99,093)
Accumulated deficit	(128,245)	(354,900)
Total Extra Space Storage Inc. stockholders' equity	3,116,496	2,547,779
Noncontrolling interest represented by Preferred Operating Partnership units, net	259,110	172,052
Noncontrolling interests in Operating Partnership, net and other noncontrolling interests	410,370	216,293
Total noncontrolling interests and equity	3,785,976	2,936,124
Total liabilities, noncontrolling interests and equity	$ 10,474,477	$ 9,395,848