CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating Activities
Net income	$ 299,298	$ 210,300
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	153,783	244,062
Non-cash portion of interest expense related to finance leases	(38)	(37)
Equity in earnings of real estate ventures	(4,482)	(47,532)
Equity compensation expense	7,530	6,804
Accretion of fair market value adjustment of debt	(714)	(830)
Changes in other operating accounts:
Other assets	(10,052)	4,247
Accounts payable and accrued expenses	18,408	25,982
Other liabilities	1,402	3,500
Net cash provided by operating activities	465,135	446,496
Investing Activities
Acquisitions of storage properties		(89,004)
Additions and improvements to storage properties	(31,642)	(27,493)
Development costs	(34,228)	(17,445)
Investment in real estate ventures	(16)	(16)
Cash distributed from real estate ventures	10,821	59,544
Proceeds from sale of real estate, net	238	43,193
Net cash used in investing activities	(54,827)	(31,221)
Proceeds from:
Revolving credit facility	614,083	500,640
Principal payments on:
Revolving credit facility	(659,783)	(624,540)
Mortgage loans and notes payable	(32,138)	(1,806)
Loan procurement costs	(39)	(136)
Issuance of common shares, net	(225)	4,890
Cash paid upon vesting of restricted shares	(804)	(1,384)
Exercise of stock options	2,716	1,590
Contributions from noncontrolling interests in subsidiaries	797
Distributions paid to noncontrolling interests in subsidiaries	(250)	(7,331)
Distributions paid to common shareholders	(331,601)	(290,238)
Distributions paid to noncontrolling interests in Operating Partnership	(2,089)	(2,074)
Net cash used in financing activities	(409,333)	(420,389)
Change in cash, cash equivalents and restricted cash	975	(5,114)
Cash, cash equivalents and restricted cash at beginning of period	8,925	13,318
Cash, cash equivalents and restricted cash at end of period	9,900	8,204
Supplemental Cash Flow and Noncash Information
Cash paid for interest, net of interest capitalized	80,299	75,172
Supplemental disclosure of noncash activities:
Acquisitions of storage properties		(700)
Accretion of put liability		2,444
Derivative valuation adjustment	$ 60	60
Contributions from noncontrolling interests in subsidiaries		$ 3,340