Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating Activities
Net income	$ 270,539	$ 176,408
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	143,187	106,287
Amortization of debt issuance costs and bond discount	4,187	3,185
Equity in income of joint ventures	(6,832)	(4,126)
Distributions from unconsolidated joint ventures	12,710	10,359
Non-vested stock earned	5,226	4,603
Deferred income taxes	18	(43)
Other	(4,999)	(236)
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable	(5,007)	(271)
Prepaid expenses	(3,272)	(3,562)
(Advances to) receipts from joint ventures	(753)	475
Accounts payable and other liabilities	22,488	10,402
Deferred revenue	3,906	4,614
Net cash provided by operating activities	441,398	308,095
Investing Activities
Acquisition of storage facilities, net of cash acquired	(811,622)	(773,859)
Improvements, equipment additions, and construction in progress	(66,013)	(54,310)
Proceeds from sale of non-real estate assets	6,250	0
Return of investment in unconsolidated joint ventures	0	36,911
Investment in unconsolidated joint ventures	(77,755)	(57,397)
Property deposits	(2,220)	(11,914)
Net cash used in investing activities	(951,360)	(860,569)
Financing Activities
Net proceeds from sale of common stock/ partnership units	181,028	807,185
Proceeds from line of credit	1,017,000	459,000
Repayments of line of credit	(561,000)	(459,000)
Debt issuance costs	(5,994)	(88)
Dividends paid - common stock	(259,135)	(170,666)
Distributions to noncontrolling interest holders	(6,065)	(740)
Redemption of operating partnership units	(3,823)	(256)
Mortgage principal payments	(383)	(364)
Net cash provided by financing activities	361,628	635,071
Net (decrease) increase in cash and restricted cash	(148,334)	82,597
Cash and restricted cash at beginning of period	176,434	58,771
Cash and restricted cash at end of period	28,100	141,368
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	66,173	56,359
Cash paid for income taxes, net of refunds	2,526	940
Life Storage LP [Member]
Operating Activities
Net income	270,539	176,408
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	143,187	106,287
Amortization of debt issuance costs and bond discount	4,187	3,185
Equity in income of joint ventures	(6,832)	(4,126)
Distributions from unconsolidated joint ventures	12,710	10,359
Non-vested stock earned	5,226	4,603
Deferred income taxes	18	(43)
Other	(4,999)	(236)
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable	(5,007)	(271)
Prepaid expenses	(3,272)	(3,562)
(Advances to) receipts from joint ventures	(753)	475
Accounts payable and other liabilities	22,488	10,402
Deferred revenue	3,906	4,614
Net cash provided by operating activities	441,398	308,095
Investing Activities
Acquisition of storage facilities, net of cash acquired	(811,622)	(773,859)
Improvements, equipment additions, and construction in progress	(66,013)	(54,310)
Proceeds from sale of non-real estate assets	6,250	0
Return of investment in unconsolidated joint ventures	0	36,911
Investment in unconsolidated joint ventures	(77,755)	(57,397)
Property deposits	(2,220)	(11,914)
Net cash used in investing activities	(951,360)	(860,569)
Financing Activities
Net proceeds from sale of common stock/ partnership units	181,028	807,185
Proceeds from line of credit	1,017,000	459,000
Repayments of line of credit	(561,000)	(459,000)
Debt issuance costs	(5,994)	(88)
Distributions to unitholders	(259,135)	(170,666)
Distributions to noncontrolling interest holders	(6,065)	(740)
Redemption of operating partnership units	(3,823)	(256)
Mortgage principal payments	(383)	(364)
Net cash provided by financing activities	361,628	635,071
Net (decrease) increase in cash and restricted cash	(148,334)	82,597
Cash and restricted cash at beginning of period	176,434	58,771
Cash and restricted cash at end of period	28,100	141,368
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	66,173	56,359
Cash paid for income taxes, net of refunds	$ 2,526	$ 940