10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2021

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from            to            . 

Commission file number:

1-13820 (Life Storage, Inc.)

0-24071 (Life Storage LP)

LIFE STORAGE, INC.

LIFE STORAGE LP

(Exact name of Registrant as specified in its charter)

Maryland (Life Storage, Inc.)	16-1194043 (Life Storage, Inc.)
Delaware (Life Storage LP)	16-1481551 (Life Storage LP)
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

6467 Main Street

Williamsville, NY 14221

(Address of principal executive offices) (Zip code)

(716) 633-1850

(Registrant’s telephone number including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Life Storage, Inc.	Yes  ☒	No  ☐
Life Storage LP	Yes  ☒	No  ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Life Storage, Inc.	Yes  ☒	No  ☐
Life Storage LP	Yes  ☒	No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.  

Life Storage, Inc.:

Large Accelerated Filer	☒	Accelerated Filer	☐
Non-accelerated Filer	☐	Smaller Reporting Company	☐
Emerging Growth Company	☐

Life Storage LP:

Large Accelerated Filer	☐	Accelerated Filer	☐
Non-accelerated Filer	☒	Smaller Reporting Company	☐
Emerging Growth Company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Life Storage, Inc.	☐
Life Storage LP	☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Life Storage, Inc.	Yes  ☐	No  ☒
Life Storage LP	Yes  ☐	No  ☒

Securities registered pursuant to Section 12(b) of the Act:

Life Storage, Inc.:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $.01 par value	LSI	New York Stock Exchange

Life Storage LP:

Title of each class Trading Symbol(s) Name of each exchange on which registered

As of April 29, 2021, 76,855,417 shares of Common Stock, $.01 par value per share, were outstanding.

EXPLANATORY NOTE

This report combines the quarterly reports on Form 10-Q for the period ended March 31, 2021 of Life Storage, Inc. (the “Parent Company”) and Life Storage LP (the “Operating Partnership”). The Parent Company is a real estate investment trust, or REIT, that owns its assets and conducts its operations through the Operating Partnership, a Delaware limited partnership, and subsidiaries of the Operating Partnership. The Parent Company, the Operating Partnership and their consolidated subsidiaries are collectively referred to in this report as the “Company.” In addition, terms such as “we,” “us,” or “our” used in this report may refer to the Company, the Parent Company and/or the Operating Partnership.

Life Storage Holdings, Inc., a wholly-owned subsidiary of the Parent Company (“Holdings”), is the sole general partner of the Operating Partnership; the Parent Company is a limited partner of the Operating Partnership, and through its ownership of Holdings and its limited partnership interest, controls the operations of the Operating Partnership, holding a 99.6% ownership interest therein as of March 31, 2021. The remaining ownership interests in the Operating Partnership are held by certain former owners of assets acquired by the Operating Partnership. As the owner of the sole general partner of the Operating Partnership, the Parent Company has full and complete authority over the Operating Partnership’s day-to-day operations and management.

Management operates the Parent Company and the Operating Partnership as one enterprise. The management teams of the Parent Company and the Operating Partnership are identical.

There are few differences between the Parent Company and the Operating Partnership, which are reflected in the note disclosures in this report. The Company believes it is important to understand the differences between the Parent Company and the Operating Partnership in the context of how these entities operate as a consolidated enterprise. The Parent Company is a REIT, whose only material asset is its ownership of the partnership interests of the Operating Partnership. As a result, the Parent Company does not conduct business itself, other than acting as the owner of the sole general partner of the Operating Partnership, issuing public equity from time to time and guaranteeing the debt obligations of the Operating Partnership. The Operating Partnership holds substantially all the assets of the Company and, directly or indirectly, holds the ownership interests in the Company’s real estate ventures. The Operating Partnership conducts the operations of the Company’s business and is structured as a partnership with no publicly traded equity. Except for net proceeds from equity issuances by the Parent Company, which are contributed to the Operating Partnership in exchange for partnership units, the Operating Partnership generates the capital required by the Company’s business through the Operating Partnership’s operations, by the Operating Partnership’s direct or indirect incurrence of indebtedness or through the issuance of partnership units of the Operating Partnership.

The substantive difference between the Parent Company’s filings and the Operating Partnership’s filings is the fact that the Parent Company is a REIT with public equity, while the Operating Partnership is a partnership with no publicly traded equity. In the financial statements, this difference is primarily reflected in the equity (or capital for the Operating Partnership) section of the consolidated balance sheets and in the Shareholders’ Equity and Partners’ Capital notes to the financial statements. Apart from the different equity treatment, the consolidated financial statements of the Parent Company and the Operating Partnership are nearly identical.

The Company believes that combining the quarterly reports on Form 10-Q of the Parent Company and the Operating Partnership into a single report will:

• facilitate a better understanding by the investors of the Parent Company and the Operating Partnership by enabling them to view the business as a whole in the same manner as management views and operates the business;

• remove duplicative disclosures and provide a more straightforward presentation in light of the fact that a substantial portion of the disclosure applies to both the Parent Company and the Operating Partnership; and

• create time and cost efficiencies through the preparation of one combined report instead of two separate reports.

In order to highlight the differences between the Parent Company and the Operating Partnership, the separate sections in this report for the Parent Company and the Operating Partnership specifically refer to the Parent Company and the Operating Partnership. In the sections that combine disclosures of the Parent Company and the Operating Partnership, this report refers to such disclosures as those of the Company. Although the Operating Partnership is generally the entity that directly or indirectly enters into contracts and real

2

estate ventures and holds assets and debt, reference to the Company is appropriate because the business is one enterprise and the Parent Company operates the business through the Operating Partnership.

As the owner of the general partner with control of the Operating Partnership, the Parent Company consolidates the Operating Partnership for financial reporting purposes, and the Parent Company does not have significant assets other than its investment in the Operating Partnership. Therefore, the assets and liabilities of the Parent Company and the Operating Partnership are the same on their respective financial statements. The separate discussions of the Parent Company and the Operating Partnership in this report should be read in conjunction with each other to understand the results of the Company’s operations on a consolidated basis and how management operates the Company.

This report also includes separate Item 4 - Controls and Procedures sections, signature pages and Exhibit 31 and 32 certifications for each of the Parent Company and the Operating Partnership in order to establish that the Chief Executive Officer and the Chief Financial Officer of the Parent Company and the Chief Executive Officer and the Chief Financial Officer of the Operating Partnership have made the requisite certifications and that the Parent Company and the Operating Partnership are compliant with Rule 13a-15 or Rule 15d-15 of the Securities Exchange Act of 1934, as amended and 18 U.S.C. §1350.

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Part I. Financial Information

Item 1. Financial Statements

LIFE STORAGE, INC.

CONSOLIDATED BALANCE SHEETS

(dollars in thousands, except share data)	March 31, 2021 (unaudited)			December 31, 2020
Assets
Investment in storage facilities:
Land	$	991,214		$	951,813
Building, equipment, and construction in progress		4,612,622			4,378,510
		5,603,836			5,330,323
Less: accumulated depreciation		(904,420	)		(873,178	)
Investment in storage facilities, net		4,699,416			4,457,145
Cash and cash equivalents		13,914			54,400
Accounts receivable		14,796			15,464
Receivable from unconsolidated joint ventures		520			1,064
Investment in unconsolidated joint ventures		140,415			143,042
Prepaid expenses		12,335			8,326
Trade name		16,500			16,500
Other assets		32,865			31,907
Total Assets	$	4,930,761		$	4,727,848
Liabilities
Line of credit	$	43,000		$	—
Term notes, net		2,156,140			2,155,457
Accounts payable and accrued liabilities		95,708			112,654
Deferred revenue		20,120			17,416
Mortgages payable		37,596			37,777
Total Liabilities		2,352,564			2,323,304
Noncontrolling redeemable Operating Partnership Units at redemption value		28,707			26,446
Shareholders’ Equity
Common stock $.01 par value, 100,000,000 shares authorized, 76,477,796    shares outstanding at March 31, 2021 (74,211,920 at December 31, 2020)		765			495
Additional paid-in capital		2,853,019			2,671,311
Dividends in excess of net income		(299,482	)		(288,667	)
Accumulated other comprehensive loss		(4,812	)		(5,041	)
Total Shareholders’ Equity		2,549,490			2,378,098
Total Liabilities and Shareholders’ Equity	$	4,930,761		$	4,727,848

See notes to consolidated financial statements.

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LIFE STORAGE, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited)

	Three Months Ended March 31,
(dollars in thousands, except per share data)	2021			2020
Revenues
Rental income	$	150,283		$	128,907
Other operating income		21,604			18,036
Total operating revenues		171,887			146,943
Expenses
Property operations and maintenance		38,520			32,850
Real estate taxes		19,887			17,408
General and administrative		14,183			12,906
Depreciation and amortization		33,359			28,330
Total operating expenses		105,949			91,494
Gain on sale of real estate		—			302
Income from operations		65,938			55,751
Other income (expenses)
Interest expense		(20,346	)		(20,246	)
Interest and dividend income		779			4
Equity in income of joint ventures		1,221			1,116
Net income		47,592			36,625
Net income attributable to noncontrolling    interest in the Operating Partnership		(209	)		(192	)
Net income attributable to common shareholders	$	47,383		$	36,433
Earnings per common share attributable    to common shareholders – basic	$	0.63		$	0.52
Earnings per common share attributable    to common shareholders – diluted	$	0.63		$	0.52
Common shares used in basic earnings per share    calculation		75,387,332			70,015,856
Common shares used in diluted earnings per share    calculation		75,510,201			70,126,344
Dividends declared per common share	$	0.74		$	0.71

See notes to consolidated financial statements.

5

LIFE STORAGE, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(unaudited)

	Three Months Ended March 31,
(dollars in thousands)	2021			2020
Net income	$	47,592		$	36,625
Other comprehensive income:
Effective portion of gain on derivatives net    of reclassification to interest expense		229			229
Total comprehensive income		47,821			36,854
Comprehensive income attributable to noncontrolling    interest in the Operating Partnership		(210	)		(193	)
Comprehensive income attributable to common shareholders	$	47,611		$	36,661

See notes to consolidated financial statements.

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LIFE STORAGE, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

(dollars in thousands)	Three Months Ended March 31, 2021			Three Months Ended March 31, 2020
Operating Activities
Net income	$	47,592		$	36,625
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		33,359			28,330
Amortization of debt issuance costs and bond discount		1,062			1,025
Gain on sale of real estate		—			(302	)
Equity in income of joint ventures		(1,221	)		(1,116	)
Distributions from unconsolidated joint ventures		2,547			3,611
Non-vested stock earned		1,453			1,124
Deferred income taxes		64			399
Other		(67	)		—
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable		705			541
Prepaid expenses		(3,862	)		(3,904	)
Receipts from joint ventures		544			51
Accounts payable and other liabilities		(16,949	)		(22,492	)
Deferred revenue		1,865			1,140
Net cash provided by operating activities		67,092			45,032
Investing Activities
Acquisition of storage facilities, net of cash acquired		(265,197	)		(124,204	)
Improvements, equipment additions, and construction in progress		(10,228	)		(11,661	)
Return of investment in unconsolidated joint ventures		2,573			8,359
Investment in unconsolidated joint ventures		(1,330	)		(2,990	)
Property deposits		(519	)		171
Net cash used in investing activities		(274,701	)		(130,325	)
Financing Activities
Net proceeds from sale of common stock		180,529			21,466
Proceeds from line of credit		76,000			172,000
Repayments of line of credit		(33,000	)		(54,000	)
Dividends paid - common stock		(55,840	)		(49,969	)
Distributions to noncontrolling interest holders		(247	)		(264	)
Redemption of Operating Partnership Units		(63	)		(265	)
Mortgage principal payments		(117	)		(166	)
Net cash provided by financing activities		167,262			88,802
Net increase in cash and restricted cash		(40,347	)		3,509
Cash and restricted cash at beginning of period		58,771			21,556
Cash and restricted cash at end of period	$	18,424		$	25,065
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	$	15,118		$	18,315
Cash (received) paid for income taxes, net of refunds	$	(312	)	$	265

See notes to consolidated financial statements.

7

LIFE STORAGE LP

CONSOLIDATED BALANCE SHEETS

(dollars in thousands)	March 31, 2021 (unaudited)			December 31, 2020
Assets
Investment in storage facilities:
Land	$	991,214		$	951,813
Building, equipment, and construction in progress		4,612,622			4,378,510
		5,603,836			5,330,323
Less: accumulated depreciation		(904,420	)		(873,178	)
Investment in storage facilities, net		4,699,416			4,457,145
Cash and cash equivalents		13,914			54,400
Accounts receivable		14,796			15,464
Receivable from unconsolidated joint ventures		520			1,064
Investment in unconsolidated joint ventures		140,415			143,042
Prepaid expenses		12,335			8,326
Trade name		16,500			16,500
Other assets		32,865			31,907
Total Assets	$	4,930,761		$	4,727,848
Liabilities
Line of credit	$	43,000		$	—
Term notes, net		2,156,140			2,155,457
Accounts payable and accrued liabilities		95,708			112,654
Deferred revenue		20,120			17,416
Mortgages payable		37,596			37,777
Total Liabilities		2,352,564			2,323,304
Limited partners’ redeemable capital interest at redemption value (333,399 and 334,149    units outstanding at March 31, 2021 and December 31, 2020, respectively)		28,707			26,446
Partners’ Capital
General partner (767,571 and 745,461 units outstanding at March 31, 2021 and    December 31, 2020, respectively)		25,782			24,045
Limited partners (75,710,225 and 73,466,459 units outstanding at March 31, 2021    and December 31, 2020, respectively)		2,528,520			2,359,094
Accumulated other comprehensive loss		(4,812	)		(5,041	)
Total Partners’ Capital		2,549,490			2,378,098
Total Liabilities and Partners’ Capital	$	4,930,761		$	4,727,848

See notes to consolidated financial statements.

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LIFE STORAGE LP

CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited)

	Three Months Ended March 31,
(dollars in thousands, except per unit data)	2021			2020
Revenues
Rental income	$	150,283		$	128,907
Other operating income		21,604			18,036
Total operating revenues		171,887			146,943
Expenses
Property operations and maintenance		38,520			32,850
Real estate taxes		19,887			17,408
General and administrative		14,183			12,906
Depreciation and amortization		33,359			28,330
Total operating expenses		105,949			91,494
Gain on sale of real estate		—			302
Income from operations		65,938			55,751
Other income (expenses)
Interest expense		(20,346	)		(20,246	)
Interest and dividend income		779			4
Equity in income of joint ventures		1,221			1,116
Net income		47,592			36,625
Net income attributable to noncontrolling interest    in the Operating Partnership		(209	)		(192	)
Net income attributable to common unitholders	$	47,383		$	36,433
Earnings per common unit attributable to    common unitholders – basic	$	0.63		$	0.52
Earnings per common unit attributable to    common unitholders – diluted	$	0.63		$	0.52
Common units used in basic earnings per unit    calculation		75,387,332			70,015,856
Common units used in diluted earnings per unit    calculation		75,510,201			70,126,344
Distributions declared per common unit	$	0.74		$	0.71
Net income attributable to general partner	$	476		$	366
Net income attributable to limited partners	$	46,907		$	36,067

See notes to consolidated financial statements.

9

LIFE STORAGE LP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(unaudited)

	Three Months Ended March 31,
(dollars in thousands)	2021			2020
Net income	$	47,592		$	36,625
Other comprehensive income:
Effective portion of gain on derivatives net of    reclassification to interest expense		229			229
Total comprehensive income		47,821			36,854
Comprehensive income attributable to noncontrolling    interest in the Operating Partnership		(210	)		(193	)
Comprehensive income attributable to common unitholders	$	47,611		$	36,661

See notes to consolidated financial statements.

10

LIFE STORAGE LP

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

(dollars in thousands)	Three Months Ended March 31, 2021			Three Months Ended March 31, 2020
Operating Activities
Net income	$	47,592		$	36,625
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		33,359			28,330
Amortization of debt issuance costs and bond discount		1,062			1,025
Gain on sale of real estate		—			(302	)
Equity in income of joint ventures		(1,221	)		(1,116	)
Distributions from unconsolidated joint ventures		2,547			3,611
Non-vested stock earned		1,453			1,124
Deferred income taxes		64			399
Other		(67	)		—
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable		705			541
Prepaid expenses		(3,862	)		(3,904	)
Receipts from joint ventures		544			51
Accounts payable and other liabilities		(16,949	)		(22,492	)
Deferred revenue		1,865			1,140
Net cash provided by operating activities		67,092			45,032
Investing Activities
Acquisition of storage facilities, net of cash acquired		(265,197	)		(124,204	)
Improvements, equipment additions, and construction in progress		(10,228	)		(11,661	)
Return of investment in unconsolidated joint ventures		2,573			8,359
Investment in unconsolidated joint ventures		(1,330	)		(2,990	)
Property deposits		(519	)		171
Net cash used in investing activities		(274,701	)		(130,325	)
Financing Activities
Net proceeds from sale of partnership units		180,529			21,466
Proceeds from line of credit		76,000			172,000
Repayments of line of credit		(33,000	)		(54,000	)
Distributions to unitholders		(55,840	)		(49,969	)
Distributions to noncontrolling interest holders		(247	)		(264	)
Redemption of Operating Partnership Units		(63	)		(265	)
Mortgage principal payments		(117	)		(166	)
Net cash provided by financing activities		167,262			88,802
Net increase in cash and restricted cash		(40,347	)		3,509
Cash and restricted cash at beginning of period		58,771			21,556
Cash and restricted cash at end of period	$	18,424		$	25,065
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	$	15,118		$	18,315
Cash (received) paid for income taxes, net of refunds	$	(312	)	$	265

See notes to consolidated financial statements.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. BASIS OF PRESENTATION

The accompanying unaudited financial statements of Life Storage, Inc. (the “Parent Company”) and Life Storage LP (the “Operating Partnership”) have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all information and footnotes required by generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the three-month period ended March 31, 2021 are not necessarily indicative of the results that may be expected for the year ending December 31, 2021.  Share and per share amounts and unit and per unit amounts as of and for the periods ending March 31, 2020 and December 31, 2020 have been adjusted to reflect the impact of the three-for-two distribution of common stock announced by the Company on January 4, 2021 and distributed on January 27, 2021 to shareholders and unitholders of record on January 15, 2021.

2. ORGANIZATION

The Parent Company operates as a self-administered and self-managed real estate investment trust (a “REIT”) that owns and operates self-storage properties. All of the Parent Company’s assets are owned by, and all its operations are conducted through, the Operating Partnership. Life Storage Holdings, Inc., a wholly-owned subsidiary of the Parent Company (“Holdings”), is the sole general partner of the Operating Partnership; the Parent Company is a limited partner of the Operating Partnership and, through its ownership of Holdings and its limited partnership interest, controls the operations of the Operating Partnership, holding a 99.6% ownership interest therein as of March 31, 2021. The remaining ownership interests in the Operating Partnership (the “Units”) are held by certain former owners of assets acquired by the Operating Partnership. The Parent Company, the Operating Partnership and their consolidated subsidiaries are collectively referred to in this report as the “Company.” In addition, terms such as “we,” “us,” or “our” used in this report may refer to the Company, the Parent Company and/or the Operating Partnership.

At March 31, 2021, we had an ownership interest in and/or managed 955 self-storage properties in 32 states and Ontario, Canada. Among our 955 self-storage properties are 91 properties that we manage for unconsolidated joint ventures (see Note 10) and 251 properties that we manage and in which we have no ownership interest.

We consolidate all wholly owned subsidiaries. Partially owned entities, including joint ventures, are consolidated when we control the entity. Our consolidated financial statements include the accounts of the Parent Company, the Operating Partnership, Life Storage Solutions, LLC (one of the Parent Company’s taxable REIT subsidiaries), Warehouse Anywhere LLC, and all other wholly owned subsidiaries. Prior to July 2, 2020, the Company owned 60% of Warehouse Anywhere LLC. On July 2, 2020, the Company acquired the remaining ownership interest in Warehouse Anywhere LLC. All intercompany transactions and balances have been eliminated. Investments in joint ventures that we do not control but over which we have significant influence are accounted for using the equity method.

Included in the Parent Company’s consolidated balance sheets are noncontrolling redeemable Operating Partnership Units and included in the Operating Partnership’s consolidated balance sheets are limited partners’ redeemable capital interest at redemption value. These interests are presented in the “mezzanine” section of the consolidated balance sheets because they do not meet the functional definition of a liability or equity under current accounting literature. These represent the outside ownership interests of the limited partners in the Operating Partnership. There were 333,399 and 334,149 noncontrolling redeemable Operating Partnership Units outstanding at March 31, 2021 and December 31, 2020, respectively. These unitholders are entitled to receive distributions per unit equivalent to the dividends declared per share on the Parent Company’s common stock. The Operating Partnership is obligated to redeem each of these limited partnership units in the Operating Partnership at the request of the holder thereof for cash equal to the fair market value of a share of the Parent Company’s common stock based on a 10-day average of the daily market price, at the time of such redemption, provided that the Company, at its option, may elect to acquire any such Unit presented for redemption for one common share or cash. The Company accounts for these noncontrolling redeemable Operating Partnership Units under the provisions of Accounting Standards Codification (ASC) Topic 480-10-S99. The application of the ASC Topic 480-10-S99 accounting model requires the noncontrolling interest to follow normal noncontrolling interest accounting and then be marked to redemption value at the end of each reporting period if higher (but never adjusted below that normal noncontrolling interest accounting amount). The offset to the adjustment to the carrying amount of the noncontrolling interests is reflected in the Company’s dividends in excess of net income and in the Operating Partnership’s general partner and limited partners capital balances. Accordingly, in the accompanying consolidated balance sheets, noncontrolling interests are reflected at redemption value at March 31, 2021 and December 31, 2020, equal to the number of noncontrolling interest units outstanding multiplied by the fair market value of the Parent Company’s common stock at that date. Redemption value exceeded the value determined under the Company’s historical basis of accounting at those dates.

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The following is a reconciliation of the Parent Company’s noncontrolling redeemable Operating Partnership Units and the Operating Partnership’s limited partners’ redeemable capital interest for the period:

(dollars in thousands)	Three Months Ended March 31, 2021
Beginning balance	$	26,446
Net income attributable to noncontrolling interest in the    Operating Partnership		209
Redemption of units		(59	)
Distributions		(247	)
Adjustment to redemption value		2,358
Ending balance	$	28,707

The disaggregated revenues of the Company presented in accordance with ASC Topic 606 “Revenue from Contracts with Customers” are as follows:

(dollars in thousands)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Rental income	$	150,283	$	128,907
Management and acquisition fee income		4,590		4,413
Revenues related to tenant reinsurance		12,619		10,138
Other		4,395		3,485
Total operating revenues	$	171,887	$	146,943

Management and acquisition fee income and revenues related to tenant reinsurance are included in other operating income in the consolidated statements of operations.

During the three months ended March 31, 2021, approximately 18% and 13% of the Company’s revenue was derived from self-storage facilities in the states of Texas and Florida, respectively.

3. STOCK BASED COMPENSATION

The Company accounts for stock-based compensation under the provisions of ASC Topic 718, “Compensation - Stock Compensation.” The Company recognizes compensation cost in its financial statements for all share-based payments granted, modified, or settled during the period.

For awards with graded vesting, compensation cost is recognized on a straight-line basis over the related vesting period.

For the three months ended March 31, 2021 and 2020, the Company recorded compensation expense of $1,453,000 and $1,124,000, respectively, related to amortization of non-vested stock grants and performance-based awards.

No stock options were exercised by employees or directors during the three months ended March 31, 2021 and 2020. During the three months ended March 31, 2021 and 2020, 9,307 and 10,745 shares of non-vested stock, respectively, vested.

During the three months ended March 31, 2021, the Company issued 1,844 shares of non-vested stock to employees and directors which vest over periods ranging from one to five years. The per-share fair market value on the date of grant of the non-vested stock issued during the three months ended March 31, 2021 ranged from $84.06 to $84.33, resulting in an aggregate fair value of $155,100.

13

During the three months ended March 31, 2021, the Company granted performance-based awards that entitle recipients to earn up to 19,500 shares of Company stock if certain performance criteria are achieved over a three-year period. The Company estimated the aggregate fair value of the awards on the grant date to be $0.8 million.

4. CASH AND RESTRICTED CASH

Restricted cash represents those amounts required to be placed in escrow by banks with whom the Company has mortgages and amounts required to be placed into escrow related to the Company’s tenant reinsurance program. Restricted cash is included in other assets in the consolidated balance sheets. The following table provides a reconciliation of cash and restricted cash reported within the consolidated statement of cash flows:

(Dollars in thousands)	March 31, 2021		December 31, 2020		March 31, 2020
Cash	$	13,914	$	54,400	$	20,720
Restricted cash		4,510		4,371		4,345
Total cash and restricted cash	$	18,424	$	58,771	$	25,065

5. INVESTMENT IN STORAGE FACILITIES AND INTANGIBLE ASSETS

The following summarizes our activity in storage facilities during the three months ended March 31, 2021:

(dollars in thousands)
Cost:
Beginning balance	$	5,330,323
Acquisition of storage facilities		263,299
Improvements and equipment additions		4,289
Net increase in construction in progress		6,024
Dispositions		(99	)
Ending balance	$	5,603,836
Accumulated Depreciation:
Beginning balance	$	873,178
Additions during the period		31,293
Dispositions		(51	)
Ending balance	$	904,420

The Company acquired 16 self-storage facilities during the three months ended March 31, 2021. The acquisitions of these facilities were accounted for as asset acquisitions. The costs of the facilities, including closing costs, were allocated to land, building, equipment and improvements, and in-place customer leases based upon their relative fair values.

The purchase prices of the facilities acquired in 2021 have been assigned as follows:

(dollars in thousands)						Consideration paid				Acquisition Date Fair Value
States	Number of Properties		Date of Acquisition	Purchase Price		Cash Paid		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		In-Place Customer Leases
SC		1	1/4/2021	$	8,070	$	8,042	$	28	$	812	$	7,153	$	105
CA		1	1/21/2021		18,287	$	18,251		36		1,322		16,830		135
NY		1	3/4/2021		47,947	$	47,933		14		10,591		37,020		336
FL		8	3/11/2021		85,156	$	84,586		570		13,381		70,538		1,237
AZ		3	3/24/2021		67,089	$	66,890		199		7,129		59,320		632
WA		2	3/25/2021		39,666	$	39,495		171		6,166		33,037		443
Total acquired in 2021		16		$	266,215	$	265,197	$	1,018	$	39,401	$	223,898	$	2,888

The facility purchased in New York in the first quarter of 2021 was acquired from SNL Orix Merrick (“Merrick”), an unconsolidated joint venture in which the Company holds a 5% ownership interest. In accordance with ASC Topic 970, “Real Estate – General,” the Company recorded its equity in the profit from the sales of this self-storage facility as a reduction in the respective purchase price allocated to land and depreciable fixed assets. In addition to the $47.9 million cash payment for the self-storage facility acquired from Merrick, the Company also recognized $0.8 million as a return on the Company’s investment in Merrick as discussed further in Note 10.

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Non-cash investing activities during the three months ended March 31, 2021 include the assumption of net other liabilities totaling $1.0 million.

The Company measures the fair value of in-place customer lease intangible assets based on the Company’s experience with customer turnover and the cost to replace the in-place leases. The Company amortizes in-place customer leases on a straight-line basis over 12 months (the estimated future benefit period). The Company measures the value of trade names, which have an indefinite life and are not amortized, by calculating discounted cash flows utilizing the relief from royalty method.

In-place customer leases are included in other assets on the Company’s consolidated balance sheets as follows:

(Dollars in thousands)	March 31, 2021			December 31, 2020
In-place customer leases	$	89,751		$	86,863
Accumulated amortization		(83,525	)		(81,455	)
Net carrying value at the end of period	$	6,226		$	5,408

Amortization expense related to in-place customer leases was $2.1 million and $1.3 million for the three months ended March 31, 2021 and 2020, respectively, and is included in depreciation and amortization expense on the consolidated statements of operations.

Change in Useful Life Estimates

As part of the Company’s capital improvement efforts during 2020 and 2021, buildings at certain self-storage facilities were identified for replacement. As a result of the decision to replace these buildings, the Company reassessed the estimated useful lives of the then existing buildings. This useful life reassessment resulted in an increase in depreciation expense of approximately $1.4 million during the three months ended March 31, 2021. There were no facilities identified for replacement or related impact on depreciation expense during the three months ended March 31, 2020. The Company estimates that due to buildings recently identified for replacement, the change in estimated useful lives of buildings identified for replacement as of March 31, 2021 will result in an increase in depreciation expense of approximately $0.4 million during the remainder of 2021.

The accelerated depreciation resulting from the events discussed above reduced both basic and diluted earnings per share/unit by approximately $0.02 for the three months ended March 31, 2021.

6. UNSECURED LINE OF CREDIT AND TERM NOTES

Borrowings outstanding on our unsecured line of credit and term notes are as follows:

(Dollars in thousands)	March 31, 2021			December 31, 2020
Revolving line of credit borrowings	$	43,000		$	—
Term note due April 8, 2024		175,000			175,000
Senior term note due July 1, 2026		600,000			600,000
Senior term note due December 15, 2027		450,000			450,000
Term note due July 21, 2028		200,000			200,000
Senior term note due June 15, 2029		350,000			350,000
Senior term note due October 15, 2030		400,000			400,000
Total term note principal balance outstanding		2,175,000			2,175,000
Less: unamortized debt issuance costs		(12,380	)		(12,833	)
Less: unamortized senior term note discount		(6,480	)		(6,710	)
Term notes payable	$	2,156,140		$	2,155,457

The Company’s unsecured amended credit agreement includes a revolving credit facility with a limit of $500 million with a maturity date of March 10, 2023, and initially included a term note in the principal amount of $100 million with a maturity date of June 4, 2020 which has since been repaid. Such credit agreement provides for interest on the revolving credit facility at a variable annual rate equal to LIBOR plus a margin based on the Company’s credit rating (at March 31, 2021 the margin is 0.95%), interest on any term notes at a variable annual rate equal to LIBOR plus a margin based on the Company’s credit rating (at March 31, 2021 the margin is 1.00%), and requires an annual facility fee on the revolving credit facility which varies based upon the Company’s credit rating (at March 31, 2021 the facility fee is 0.15%). The interest rate on the Company’s revolving credit facility at March 31, 2021 was approximately 1.06% (1.09% at December 31, 2020) and the interest rate on any term notes at March 31, 2021 was approximately 1.11% (1.14% at December 31, 2020). At March 31, 2021 there was $456.9 million available on the unsecured line of credit. The Company has the option under this credit facility to increase the total aggregate borrowing capacity of the facilities to $900 million.

15

On September 23, 2020, the Operating Partnership issued $400 million in aggregate principal amount of 2.200% unsecured senior notes due October 15, 2030 (the “2030 Senior Notes”). The 2030 Senior Notes were issued at 0.476% discount to par value. Interest on the 2030 Senior Notes is payable semi-annually in arrears on each April 15 and October 15, commencing with April 15, 2021. Proceeds received upon issuance, net of discount to par of $1.9 million and underwriting and other offering expenses of $3.5 million, totaled $394.6 million.

On June 3, 2019, the Operating Partnership issued $350 million in aggregate principal amount of 4.000% unsecured senior notes due June 15, 2029 (the “2029 Senior Notes”). The 2029 Senior Notes were issued at a 0.524% discount to par value. Interest on the 2029 Senior Notes is payable semi-annually in arrears on each June 15 and December 15. Proceeds received upon issuance, net of discount to par of $1.8 million and underwriting discount and other offering expenses of $3.1 million, totaled $345.1 million.

On December 7, 2017, the Operating Partnership issued $450 million in aggregate principal amount of 3.875% unsecured senior notes due December 15, 2027 (the “2027 Senior Notes”). The 2027 Senior Notes were issued at a 0.477% discount to par value. Interest on the 2027 Senior Notes is payable semi-annually in arrears on each June 15 and December 15. Proceeds received upon issuance, net of discount to par of $2.1 million and underwriting discount and other offering expenses of $4.0 million, totaled $443.9 million.

On June 20, 2016, the Operating Partnership issued $600 million in aggregate principal amount of 3.50% unsecured senior notes due July 1, 2026 (the “2026 Senior Notes”). The 2026 Senior Notes were issued at a 0.553% discount to par value. Interest on the 2026 Senior Notes is payable semi-annually in arrears on each January 1 and July 1. Proceeds received upon issuance, net of discount to par of $3.3 million and underwriting discount and other offering expenses of $5.5 million, totaled $591.2 million.

The 2030 Senior Notes, the 2029 Senior Notes, the 2027 Senior Notes and the 2026 Senior Notes are all fully and unconditionally guaranteed by the Parent Company. The indenture under which the 2030 Senior Notes, the 2029 Senior Notes, the 2027 Senior Notes and the 2026 Senior Notes were issued restricts the ability of the Company and its subsidiaries to incur debt unless the Company and its consolidated subsidiaries comply with a leverage ratio not to exceed 60% and an interest coverage ratio of more than 1.5:1 on all outstanding debt, after giving effect to the incurrence of the debt. The indenture also restricts the ability of the Company and its subsidiaries to incur secured debt unless the Company and its consolidated subsidiaries comply with a secured debt leverage ratio not to exceed 40% after giving effect to the incurrence of the debt. The indenture also contains other financial and customary covenants, including a covenant not to own unencumbered assets with a value less than 150% of the unsecured indebtedness of the Company and its consolidated subsidiaries. At March 31, 2021, the Company was in compliance with such covenants.

On July 21, 2016, the Company entered into a $200 million term note maturing July 21, 2028 bearing interest at a fixed rate of 3.67%.

On April 8, 2014, the Company entered into a $175 million term note maturing April 8, 2024 bearing interest at a fixed rate of 4.533%. The interest rate on the term note increases to 6.283% if the Company is not rated by at least one rating agency or if the Company’s credit rating is downgraded.

The line of credit and term notes require the Company to meet certain financial covenants, measured on a quarterly basis, including prescribed leverage, fixed charge coverage, minimum net worth, limitations on additional indebtedness and limitations on dividend payouts. At March 31, 2021, the Company was in compliance with such covenants.

We believe that if operating results remain consistent with historical levels and levels of other debt and liabilities remain consistent with amounts outstanding at March 31, 2021, the entire availability on the line of credit could be drawn without violating our debt covenants.

The Company’s fixed rate term notes contain a provision that allows for the noteholders to call the debt upon a change of control of the Company at an amount that includes a make whole premium based on rates in effect on the date of the change of control.

Deferred debt issuance costs and the discount on the outstanding term notes are both presented as reductions of term notes in the accompanying consolidated balance sheets at March 31, 2021 and December 31, 2020. Amortization expense related to deferred debt issuance costs was $0.6 million for each of the three months ended March 31, 2021 and 2020, and is included in interest expense in the consolidated statements of operations.

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7. MORTGAGES PAYABLE AND DEBT MATURITIES

Mortgages payable at March 31, 2021 and December 31, 2020 consist of the following:

(dollars in thousands)	March 31, 2021		December 31, 2020
4.065% mortgage note due April 1, 2023, secured by one self-    storage facility with an aggregate net book value of $7.1    million, principal and interest paid monthly    (effective interest rate 4.40%)	$	3,807	$	3,832
5.26% mortgage note due November 1, 2023, secured by one    self-storage facility with an aggregate net book value of $7.8    million, principal and interest paid monthly    (effective interest rate 5.69%)		3,710		3,728
4.4625% mortgage notes due December 6, 2024, secured by    three self-storage facilities with an aggregate net book value    of $54.8 million, principal and interest paid monthly    (effective interest rate 3.12%)		22,620		22,684
4.44% mortgage note due July 6, 2025, secured by one    self-storage facility with an aggregate net book value of $13.6    million, principal and interest paid monthly    (effective interest rate 4.60%)		6,316		6,343
5.99% mortgage note due May 1, 2026, secured by one self-    storage facility with an aggregate net book value of $6.4    million, principal and interest paid monthly    (effective interest rate 6.45%)		1,143		1,190
Total mortgages payable	$	37,596	$	37,777

The table below summarizes the Company’s debt obligations at March 31, 2021. The estimated fair value of financial instruments is subjective in nature and is dependent on a number of important assumptions, including discount rates and relevant comparable market information associated with each financial instrument. The fair value of the fixed rate term notes and mortgage notes were estimated by discounting the future cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings and for the same remaining maturities. These assumptions are considered Level 2 inputs within the fair value hierarchy as described in Note 9. The carrying values of our variable rate debt instruments approximate their fair values as such debt instruments bear interest at current market rates that approximate market participant rates. This is considered a Level 2 input within the fair value hierarchy. The use of different market assumptions and estimation methodologies may have a material effect on the reported estimated fair value amounts. Accordingly, the estimates presented below are not necessarily indicative of the amounts the Company would realize in a current market exchange.

			Expected Maturity Date Including Discount
(dollars in thousands)	2021		2022		2023		2024		2025		Thereafter		Total		Fair Value
Line of credit - variable rate    LIBOR + 0.95% (1.06% at   March 31, 2021)	$	—	$	—	$	43,000	$	—	$	—	$	—	$	43,000	$	43,000
Notes Payable:
Term note - fixed rate 4.533%		—		—		—		175,000		—		—		175,000		195,252
Term note - fixed rate 3.50%		—		—		—		—		—		600,000		600,000		657,471
Term note - fixed rate 3.875%		—		—		—		—		—		450,000		450,000		494,057
Term note - fixed rate 3.67%		—		—		—		—		—		200,000		200,000		215,203
Term note - fixed rate 4.00%		—		—		—		—		—		350,000		350,000		394,261
Term note - fixed rate 2.20%		—		—		—		—		—		400,000		400,000		376,052
Mortgage note - fixed rate 4.065%		79		108		3,620		—		—		—		3,807		3,936
Mortgage note - fixed rate 5.26%		60		83		3,567		—		—		—		3,710		3,983
Mortgage notes - fixed rate 4.4625%		—		—		—		22,620		—		—		22,620		23,317
Mortgage note - fixed rate 4.44%		92		125		130		136		5,833		—		6,316		6,765
Mortgage note - fixed rate 5.99%		145		203		216		229		244		106		1,143		1,244
Total	$	376	$	519	$	50,533	$	197,985	$	6,077	$	2,000,106	$	2,255,596

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8. DERIVATIVE FINANCIAL INSTRUMENTS

In 2015 and 2016, the Company entered into forward starting interest rate swap agreements to hedge the risk of changes in the interest-related cash flows associated with the potential issuance of fixed rate long-term debt. These interest rate swaps qualify and have been designated as hedges of the amount of future cash flows related to interest payments on this fixed rate long-term debt. In conjunction with the issuance of the 2026 Senior Notes (see Note 6), the Company terminated these hedges and settled the forward starting swap agreements for approximately $9.2 million. The $9.2 million has been deferred in Accumulated Other Comprehensive Loss (“AOCL”) and is being amortized as additional interest expense over the ten-year term of the 2026 Senior Notes or until such time as interest payments on the 2026 Senior Notes are no longer probable. Such amortization is included in amortization of debt issuance costs and bond discount in the consolidated statements of cash flows.

The changes in AOCL for the three months ended March 31, 2021 and 2020 are summarized as follows:

(dollars in thousands)	Three Months Ended March 31, 2021			Three Months Ended March 31, 2020
Accumulated other comprehensive loss beginning    of period	$	(5,041	)	$	(5,958	)
Realized loss reclassified from accumulated other    comprehensive loss to interest expense		229			229
Accumulated other comprehensive loss end of period	$	(4,812	)	$	(5,729	)

9. FAIR VALUE MEASUREMENTS

The Company applies the provisions of ASC Topic 820 “Fair Value Measurements and Disclosures” in determining the fair value of its financial and nonfinancial assets and liabilities. ASC Topic 820 establishes a valuation hierarchy for disclosure of the inputs to valuation used to measure fair value. This hierarchy prioritizes the inputs into three broad levels as follows. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration. Level 3 inputs are unobservable inputs based on our own assumptions used to measure assets and liabilities at fair value. A financial asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

Refer to Note 7 for presentation of the fair values of debt obligations which are disclosed at fair value on a recurring basis.

There are no assets or liabilities carried at fair value measured on a recurring basis on the consolidated balance sheets as of March 31, 2021 and December 31, 2020.

10. INVESTMENT IN JOINT VENTURES

A summary of the Company’s unconsolidated joint ventures is as follows:

Venture	Number of Properties at March 31, 2021		Company common ownership interest at March 31, 2021	Carrying value of investment at March 31, 2021		Carrying value of investment at December 31, 2020
Sovran HHF Storage Holdings LLC (“Sovran HHF”)1	36		20%	$60.0 million		$60.5 million
Sovran HHF Storage Holdings II LLC (“Sovran HHF II”)2	22		15%	$27.0 million		$27.3 million
Life Storage-SERS Storage LLC (“SERS”)	3		20%	$3.0   million		$3.0   million
Life Storage-HIERS Storage LLC (“HIERS”)	17		20%	$14.2 million		$14.3 million
Iskalo Office Holdings, LLC (“Iskalo”)3	N/A		49%	($2.5   million)		($2.5   million)
Life Storage Spacemax, LLC ("Spacemax")	6		40%	$16.5 million		$16.7 million
Life Storage Virtus, LLC ("Virtus")4	1		20%	$1.4   million		$1.5   million
SNL Orix Merrick, LLC ("Merrick")5		—	5%		—	$2.5   million
Joint ventures with properties in development stage6	7		Various	$11.5 million		$10.4 million
Other unconsolidated joint ventures (6 joint ventures)	6		Various	$6.8   million		$6.8   million

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¹ In September 2020, the Company acquired 17 self-storage facilities and related assets from Sovran HHF for total consideration of $175.2 million, which is net of the Company’s share of Sovran HHF’s gain resulting from the transaction. In connection with this transaction, non-recourse loans with principal balances totaling $34.0 million were settled. Also in September 2020, Sovran HHF sold four self-storage facilities to an unrelated third-party for total consideration of $42.3 million, resulting in a gain on sale of $2.1 million. As of March 31, 2021, the carrying value of the Company’s investment in Sovran HHF exceeds its share of the underlying equity in net assets of Sovran HHF by approximately $1.7 million as a result of the capitalization of certain acquisition related costs in 2008. This difference is included in the carrying value of the investment.

² In September 2020, the Company acquired eight self-storage facilities and related assets from Sovran HHF II for total consideration of $120.2 million, which is net of the Company’s share of Sovran HHF II’s gain resulting from the transaction. In connection with this transaction, $35.8 million of cash had been placed into escrow until non-recourse loans related to these properties were able to be paid which occurred in April 2021 (see Note 17). Also in connection with this transaction, the Company made a $12.7 million contribution to Sovran HHF II.

³ Iskalo owns the building that houses the Company’s headquarters. The Company paid rent to Iskalo of $0.4 million and $0.3 million during the three months ended March 31, 2021 and 2020, respectively.

⁴ In February 2020, the Company executed a joint venture agreement, Life Storage Virtus, LLC, with an unrelated third-party with the purpose of acquiring and operating a self-storage facility. During the first quarter of 2020, Virtus acquired a self-storage facility for a total of $21.7 million. In connection with this acquisition, Virtus entered into $14.0 million of non-recourse mortgage debt. During 2020, the Company contributed $1.7 million to Virtus as the Company’s share of the initial capital investment in the joint venture.

⁵ In March 2021, the Company acquired a self-storage facility and related assets from Merrick for total consideration of $47.9 million which is net of the Company’s share of Merrick’s gain resulting from the transaction. In connection with this transaction, all non-recourse loans held by Merrick were settled.

⁶ The Company has entered into seven separate joint ventures, two of which are developing self-storage facilities in Ontario, Canada, four of which are developing self-storage facilities in the New York City market, and one of which is developing a self-storage facility in the Tucson, AZ market. The Company has contributed an aggregate total of $11.5 million as its share of capital to these joint ventures.

Based on the facts and circumstances of each of the Company’s joint ventures, the Company has determined that none of the joint ventures at March 31, 2021 are a variable interest entity (“VIE”) in accordance with ASC 810, “Consolidation.” The Company used the voting model under ASC 810 to determine whether or not to consolidate the joint ventures. Based upon each member’s substantive participation rights over the activities as stipulated in the joint venture agreements, none of the joint ventures evaluated under the voting model are consolidated by the Company. Due to the Company’s significant influence over the operations of each of the joint ventures, all above joint ventures are accounted for under the equity method of accounting.

The carrying values of the Company’s investments in joint ventures are assessed for other-than-temporary impairment on a periodic basis and no such impairments have been recorded on any of the Company’s investments in joint ventures.

As property manager of the self-storage facilities owned by each of the operational joint ventures, the Company earns management and/or call center fees based on a percentage of joint venture gross revenues. These fees earned from joint ventures, which are included in other operating income in the consolidated statements of operations, totaled $1.8 million and $2.7 million for the three months ended March 31, 2021 and 2020, respectively.

The Company’s share of the unconsolidated joint ventures’ income (loss) is as follows:

(dollars in thousands) Venture	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Sovran HHF	$	654	$	922
Sovran HHF II		332		455
Other unconsolidated joint ventures		235		(261	)
	$	1,221	$	1,116

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A summary of the combined unconsolidated joint ventures’ financial statements as of and for the three months ended March 31, 2021 is as follows:

(dollars in thousands)
Balance Sheet Data:
Investment in storage facilities, net	$	1,076,066
Investment in office building, net		4,185
Other assets		58,947
Total Assets	$	1,139,198
Due to the Company	$	520
Mortgages payable		529,504
Other liabilities		17,660
Total Liabilities		547,684
Unaffiliated partners’ equity		453,561
Company equity		137,953
Total Partners’ Equity		591,514
Total Liabilities and Partners’ Equity	$	1,139,198
Income Statement Data:
Total revenues	$	27,231
Property operating expenses		(9,529	)
Administrative, management and call center fees		(2,051	)
Gain on disposal of self-storage facilities		29,685
Depreciation and amortization of customer list		(6,017	)
Amortization of financing fees		(145	)
Income tax expense		(58	)
Interest expense		(5,229	)
Net income	$	33,887

The Company does not guarantee the debt of any of its equity method investees.

We do not expect to have material future cash outlays relating to these joint ventures outside our share of capital required for future acquisitions of properties, our share of capital required for the development of properties under construction, and our share of the payoff of secured debt held by these joint ventures.

11. INCOME TAXES

The Company qualifies as a REIT under the Internal Revenue Code of 1986, as amended, and will generally not be subject to corporate income taxes to the extent it distributes its taxable income to its shareholders and complies with certain other requirements.

The Company has elected to treat certain of its subsidiaries as taxable REIT subsidiaries. In general, the Company’s taxable REIT subsidiaries may perform additional services for tenants and generally may engage in certain real estate or non-real estate related business. A taxable REIT subsidiary is subject to corporate federal and state income taxes. Deferred tax assets and liabilities are determined based on differences between financial reporting and tax bases of assets and liabilities.

The Company recorded federal and state income tax expense of $0.6 million and $0.8 million for the three months ended March 31, 2021 and 2020, respectively. These amounts are included in general and administrative expenses in the consolidated statements of operations. At March 31, 2021 and 2020, there were no material unrecognized tax benefits and at March 31, 2021 and 2020 and the Company had no interest or penalties relating to uncertain tax positions during the periods then ended. Interest and penalties relating to uncertain tax positions will be recognized in income tax expense when incurred. Income taxes payable by the Company and the net deferred tax liabilities of our taxable REIT subsidiaries are classified within accounts payable and accrued liabilities in the consolidated balance sheets, while prepaid income taxes are classified within prepaid expenses. As of March 31, 2021, the Company’s taxable REIT subsidiaries have deferred tax assets totaling $0.3 million and a deferred tax liability of $1.7 million. As of December 31, 2020, the Company’s taxable REIT subsidiaries had deferred tax assets of $0.4 million and a deferred tax liability of $1.7 million. The tax years 2017-2020 remain open to examination by the major taxing jurisdictions to which the Company is subject.

20

The Tax Cuts and Jobs Act (the “TCJA”) was enacted on December 20, 2017. The TCJA significantly changed the U.S. federal income tax laws applicable to businesses and their owners, including REITs and their shareholders. Under the TCJA, the corporate income tax rate is reduced from a maximum rate of 35% to a flat 21% rate. The reduced corporate income tax rate, which is effective for taxable years beginning after December 31, 2017, applies to income earned by our taxable REIT subsidiaries.

12. EARNINGS PER SHARE AND EARNINGS PER UNIT

The Company reports earnings per share and earnings per unit data in accordance ASC Topic 260, “Earnings Per Share.” Under ASC Topic 260-10, unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents, whether paid or unpaid, are participating securities and shall be included in the computation of earnings-per-share pursuant to the two-class method. The Parent Company and the Operating Partnership have calculated their basic and diluted earnings per share/unit using the two-class method.

Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per common share utilizing the two-class method.

(in thousands except per share data)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Numerator:
Net income attributable to common shareholders	$	47,383	$	36,433
Denominator:
Denominator for basic earnings per share – weighted    average shares		75,387		70,016
Effect of Dilutive Securities:
Stock options and non-vested stock		123		110
Denominator for diluted earnings per share – adjusted    weighted average shares and assumed conversion		75,510		70,126
Basic earnings per common share attributable to    common shareholders	$	0.63	$	0.52
Diluted earnings per common share attributable to    common shareholders	$	0.63	$	0.52

Earnings Per Unit

The following table sets forth the computation of basic and diluted earnings per common unit utilizing the two-class method.

(in thousands except per unit data)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Numerator:
Net income attributable to common unitholders	$	47,383	$	36,433
Denominator:
Denominator for basic earnings per unit – weighted    average units		75,387		70,016
Effect of Dilutive Securities:
Stock options and non-vested stock		123		110
Denominator for diluted earnings per unit – adjusted    weighted average units and assumed conversion		75,510		70,126
Basic earnings per common unit attributable to    common unitholders	$	0.63	$	0.52
Diluted earnings per common unit attributable to    common unitholders	$	0.63	$	0.52

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Not included in the effect of dilutive securities above for both earnings per share and earnings per unit are 149,227 unvested restricted shares for the three months ended March 31, 2021, and 148,047 unvested restricted shares for the three months ended March 31, 2020, because their effect would be antidilutive.

13. SHAREHOLDERS’ EQUITY

The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the three months ended March 31, 2021:

(dollars in thousands)	Common Stock		Additional Paid-in Capital			Dividends in Excess of Net Income			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance December 31, 2020	$	495	$	2,671,311		$	(288,667	)	$	(5,041	)	$	2,378,098
Net proceeds from issuance of common stock		18		180,511			—			—			180,529
Earned portion of non-vested stock		—		1,453			—			—			1,453
Stock dividend		252		(252	)		—			—			—
Carrying value less than redemption value on redeemed    noncontrolling interest		—		(4	)		—			—			(4	)
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,358	)		—			(2,358	)
Net income attributable to common shareholders		—		—			47,383			—			47,383
Amortization of terminated hedge included in    AOCL		—		—			—			229			229
Dividends		—		—			(55,840	)		—			(55,840	)
Balance March 31, 2021	$	765	$	2,853,019		$	(299,482	)	$	(4,812	)	$	2,549,490

The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the three months ended March 31, 2020:

(dollars in thousands)	Common Stock		Additional Paid-in Capital		Dividends in Excess of Net Income			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance December 31, 2019	$	467	$	2,376,723	$	(238,338	)	$	(5,958	)	$	2,132,894
Net proceeds from issuance of common stock		2		21,464		—			—			21,466
Earned portion of non-vested stock		—		1,124		—			—			1,124
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		5,542			—			5,542
Net income attributable to common shareholders		—		—		36,433			—			36,433
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(49,969	)		—			(49,969	)
Balance March 31, 2020	$	469	$	2,399,311	$	(246,332	)	$	(5,729	)	$	2,147,719

On June 14, 2018, the Company entered into a continuous equity offering program (“2018 Equity Program”) with multiple sales agents, pursuant to which the Company was permitted to sell up to $300 million in aggregate offering price of shares of the Company’s common stock. This continuous equity offering program was replaced on December 29, 2020, when the Company entered into a new continuous equity offering program (“2020 Equity Program”) with multiple sales agents, pursuant to which the Company may sell up to $500 million in aggregate offering price of shares of the Company’s common stock. Actual sales under this continuous equity offering program will depend on a variety of factors and conditions, including, but not limited to, market conditions, the trading price of the Company’s common stock, and determinations of the appropriate sources of funding for the Company. The Company expects to offer, sell and issue shares of common stock under this equity program from time to time based on various factors and conditions, although the Company is under no obligation to sell any shares under this equity program.

During the three-month period ended March 31, 2021, the Company issued 2,220,559 shares of common stock under the 2020 Equity Program at a weighted average issue price of $82.23 per share, generating net proceeds of $180.5 million after deducting $1.8 million of sales commissions paid to the sales agents, as well as other expenses of $0.3 million. The Company used such proceeds primarily to fund a portion of the acquisition of the 16 storage facilities during the three months ended March 31, 2021.

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During the three months ended March 31, 2020, the Company issued 285,605 shares of common stock under the 2018 Equity Program at a weighted average issue price of $76.17 per share, generating net proceeds of $21.5 million after deducting $0.2 million of sales commissions paid to the sales agents, as well as other expenses of $0.1 million. The Company used such proceeds to fund a portion of the acquisition of the six storage facilities during the three months ended March 31, 2020.

On August 2, 2017, the Company’s Board of Directors authorized the repurchase of up to $200 million of the Company’s outstanding common shares (“Buyback Program”). The Buyback Program allows the Company to purchase shares of its common stock in accordance with applicable securities laws on the open market, through privately negotiated transactions, or through other methods of acquiring shares. The Buyback Program may be suspended or discontinued at any time. The Company did not repurchase any outstanding common shares under the Buyback Program during the three months ended March 31, 2021 or during the three months ended March 31, 2020.

In 2013, the Company implemented a Dividend Reinvestment Plan which was suspended by the Company’s Board of Directors in 2017. As a result, the Company did not issue any shares under the Dividend Reinvestment Plan during the three months ended March 31, 2021 and 2020.  

On January 4, 2021, the Company announced a three-for-two stock split of the Company’s common stock, to be made in the form of a 50% stock dividend. Shareholders of record at the close of business on January 15, 2021 received on additional share of Company stock for every two shares owned. These additional shares were distributed on January 27, 2021, with cash distributed in lieu of fractional shares based on the closing price on the record date.

14. PARTNERS’ CAPITAL

The following is a reconciliation of the changes in total partners’ capital for the three months ended March 31, 2021:

(dollars in thousands)	Life Storage Holdings, Inc. General Partner			Life Storage, Inc. Limited Partner			Accumulated Other Comprehensive Income (Loss)			Total Controlling Partners’ Capital
Balance December 31, 2020	$	24,045		$	2,359,094		$	(5,041	)	$	2,378,098
Net proceeds from issuance of Operating Partnership Units		1,807			178,722			—			180,529
Earned portion of non-vested stock		14			1,439			—			1,453
Carrying value less than redemption value on redeemed    noncontrolling interest		(1	)		(3	)		—			(4	)
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,358	)		—			(2,358	)
Net income attributable to common unitholders		476			46,907			—			47,383
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(561	)		(55,279	)		—			(55,840	)
Balance March 31, 2021	$	25,782		$	2,528,520		$	(4,812	)	$	2,549,490

The following is a reconciliation of the changes in total partners’ capital for the three months ended March 31, 2020:

(dollars in thousands)	Life Storage Holdings, Inc. General Partner			Life Storage, Inc. Limited Partner			Accumulated Other Comprehensive Income (Loss)			Total Controlling Partners’ Capital
Balance December 31, 2019	$	21,594		$	2,117,258		$	(5,958	)	$	2,132,894
Net proceeds from issuance of Operating Partnership Units		212			21,254			—			21,466
Earned portion of non-vested stock		11			1,113			—			1,124
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			5,542			—			5,542
Net income attributable to common unitholders		366			36,067			—			36,433
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(502	)		(49,467	)		—			(49,969	)
Balance March 31, 2020	$	21,683		$	2,131,765		$	(5,729	)	$	2,147,719

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15. RECENT ACCOUNTING PRONOUNCEMENTS

In August 2020, the FASB issued ASU 2020-06, “Debt – Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging – Contracts in Entity’s Own Equity (Subtopic 815-40: Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity,” which reduced the number of accounting models for convertible debt instruments and convertible preferred stock, thus simplifying the accounting for convertible instruments. ASU 2020-06 is effective for annual periods beginning after December 31, 2021, and interim periods within those annual periods, and is therefore effective for the Company as of January 1, 2022. Management is evaluating the impact that the adoption of ASU 2020-06 will have on the Company, including, but not limited to, the accounting for the Company’s noncontrolling redeemable Operating Partnership Units.

16. COMMITMENT AND CONTINGENCIES

The Company’s lease population is comprised of leases for land and/or buildings in which certain of the Company’s self-storage facilities operate, as well as leases of corporate office space. All leases where the Company is the lessee qualify as operating leases and the Company does not have any financing leases as of March 31, 2021. At March 31, 2021 and December 31, 2020, the Company’s aggregate right-of-use assets total $19.9 million and $20.3 million, respectively, and are included in other assets on the consolidated balance sheet. The related lease liabilities at March 31, 2021 and December 31, 2020 total $19.7 million and $19.9 million, respectively, and are included in accounts payable and accrued liabilities on the consolidated balance sheet.  

Expenses related to operating leases totaled $0.6 million and $0.5 million for the three months ended March 31, 2021 and 2020, respectively. At March 31, 2021, the weighted average remaining lease term and weighted average discount rate for the Company’s operating leases were 11.2 years and 4.67%, respectively.

At March 31, 2021, the Company has approximately $25.7 million of operating lease commitments, excluding variable consideration. The undiscounted future minimum lease payments are summarized by year in the table below:

(in thousands)
2021	$	1,939
2022		2,388
2023		2,388
2024		2,374
2025		2,402
Thereafter		14,181
Total	$	25,672

The difference between the amounts included in the table above and the aggregate lease liability recorded in the accompanying consolidated balance sheet at March 31, 2021 is the result of the impact of the discount rate on future minimum lease payments.

At March 31, 2021, the Company was under contract to acquire six self-storage facilities for an aggregate purchase price of $106.5 million. The Company acquired one of these facilities subsequent to March 31, 2021 for $16.5 million. The purchase of the remaining facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

At March 31, 2021, the Company has signed contracts in place with third-party contractors for expansion and enhancements at its existing facilities. The Company expects to pay $33.8 million under these contracts in 2021 and 2022.

17. SUBSEQUENT EVENTS

On April 1, 2021, the Company declared a quarterly dividend of $0.74 per common share. The dividend was paid on April 26, 2021 to shareholders of record on April 14, 2021. The total dividend paid amounted to $56.9 million.     

On April 1, 2021, Sovran HHF II paid off $69.1 million in existing nonrecourse mortgage debt and entered into $110 million of new nonrecourse mortgage debt which matures in 2029. As a result of the net proceeds from these transactions, the Company received a distribution of $31.6 million from Sovran HHF II on April 1, 2021.

During April 2021, the Company issued 377,621 shares of common stock under the Company’s continuous equity offering program at a weighted average issuance price of $88.17 per share, generating net proceeds of $33.0 million.

On May 3, 2021, the Company acquired one self-storage facility for an aggregate purchase price of $16.5 million.

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Subsequent to March 31, 2021, the Company entered into contracts to acquire 11 self-storage facilities for an aggregate purchase price of $159.2 million. The purchases of these facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis of the Company’s consolidated financial condition and results of operations should be read in conjunction with the unaudited financial statements and notes thereto included elsewhere in this report.

DISCLOSURE REGARDING FORWARD-LOOKING STATEMENTS

When used in this discussion and elsewhere in this document, the words “intends,” “believes,” “expects,” “anticipates,” and similar expressions are intended to identify “forward-looking statements” within the meaning of that term in Section 27A of the Securities Act of 1933 and in Section 21E of the Securities Exchange Act of 1934. Such forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause our actual results, performance or achievements of the Company to be materially different from those expressed or implied by such forward-looking statements. Such factors include, but are not limited to, the effect of competition from new self-storage facilities, which would cause rents and occupancy rates to decline; risks associated with the COVID-19 global health crisis or similar events, including but not limited to (i) the impact to the health of our employees and/or customers, (ii) the negative impacts to the economy and to self-storage customers which could reduce the demand for self-storage or reduce our ability to collect rent, (iii) reducing or eliminating our ability to increase rents charged to our current or future customers, (iv) limiting our ability to collect rent from or evict past due customers, (v) we could see an increase in move-outs of longer-term customers due to the economic uncertainty and significant rise in unemployment resulting from the COVID-19 global health crisis which could lead to lower occupancies and reduced average rental rates as longer-term customers are replaced with new customers at lower rates, and (vi) potential negative impacts on the cost and availability of debt and equity which could have a negative impact on our capital and growth plans; the Company’s ability to evaluate, finance and integrate acquired self-storage facilities into the Company’s existing business and operations; the Company’s ability to effectively compete in the industry in which it does business; the Company’s existing indebtedness may mature in an unfavorable credit environment, preventing refinancing or forcing refinancing of the indebtedness on terms that are not as favorable as the existing terms; interest rates may fluctuate, impacting costs associated with the Company’s outstanding floating rate debt; the Company’s ability to comply with debt covenants; any future ratings on the Company’s debt instruments; regional concentration of the Company’s business may subject it to economic downturns in the states of Florida and Texas; the Company’s reliance on its call center; the Company’s cash flow may be insufficient to meet required payments of operating expenses, principal, interest and dividends; and tax law changes that may change the taxability of future income.

RESULTS OF OPERATIONS

FOR THE PERIOD JANUARY 1, 2021 THROUGH MARCH 31, 2021, COMPARED TO THE PERIOD JANUARY 1, 2020 THROUGH MARCH 31, 2020

We recorded rental revenues of $150.3 million for the three months ended March 31, 2021, an increase of $21.4 million or 16.6% when compared to rental revenues of $128.9 million for the same period in 2020. This increase in rental revenue was driven by a $9.0 million, or 7.3%, increase in rental revenues at the 531 core properties considered in same store sales (the Company will include stores in its same store pool in the second year after the stores achieve 80% sustained occupancy using market rates and incentives; therefore the 531 core properties considered in same store sales are those included in the consolidated results of operations since January 1, 2020, excluding stores not yet stabilized, four stores significantly impacted by flooding, and two stores that the Company began to fully replace in 2017). The increase in same store rental revenues was a result of a 410 basis point increase in average occupancy along with an increase of 1.3% in rental income per square foot. Also affecting the overall increase in rental revenues was an increase of $12.4 million in rental revenues contributed by stores not included in the same store pool, primarily those acquired in 2020 and 2021. Other operating income, which includes merchandise sales, revenues related to tenant reinsurance, truck rentals, management fees and acquisition fees, increased by $3.6 million for the three months ended March 31, 2021 compared to the same period in 2020 primarily as a result of increased revenues related to the Company’s tenant insurance program and increased revenues from the Company’s Warehouse Anywhere third party logistics and warehousing solution.

Property operations and maintenance expenses increased $5.7 million or 17.3% in the three months ended March 31, 2021 compared to the same period in 2020. Property operations and maintenance expenses related to the 531 core properties considered in the same store pool increased by $1.2 million or 4.5% primarily as the result of increased repairs and maintenance expenditures and utilities expenses. The remainder of the increase in property operations and maintenance expenses is primarily the result of the net activity of the stores not included in the same store pool. Real estate tax expense increased $2.5 million during the three months ended March 31, 2021 as compared to the same period in 2020. The 531 core properties considered in the same store pool experienced a 5.0% increase in real estate taxes which is reflective of a net increase in property tax levies on those properties. In addition to the same store real estate tax expense increase, real estate taxes increased $1.6 million from stores not included in the same store pool.

Net operating income increased $16.8 million or 17.4% resulting from a 8.6% increase in our same store net operating income coupled with an increase of $9.7 million related to the Company’s tenant insurance program, increased management fees, and the properties not included in the same store pool.

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Net operating income, or “NOI,” is a non-GAAP (generally accepted accounting principles) financial measure that we define as total continuing revenues less continuing property operating expenses. NOI also can be calculated by adding back to net income: interest expense, impairment and casualty losses, operating lease expense, depreciation and amortization expense, any losses on sale of real estate, acquisition related costs, general and administrative expense, and deducting from net income: income from discontinued operations, interest income, any gains on sale of real estate, and equity in income of joint ventures. We believe that NOI is a meaningful measure to investors in evaluating our operating performance because we utilize NOI in making decisions with respect to capital allocations, in determining current property values, and in comparing period-to-period and market-to-market property operating results. Additionally, NOI is widely used in the real estate industry and the self-storage industry to measure the performance and value of real estate assets without regard to various items included in net income that do not relate to or are not indicative of operating performance, such as depreciation and amortization, which can vary depending on accounting methods and the book value of assets. NOI should be considered in addition to, but not as a substitute for, other measures of financial performance reported in accordance with GAAP, such as total revenues, operating income and net income. There are material limitations to using a measure such as NOI, including the difficulty associated with comparing results among more than one company and the inability to analyze certain significant items, including depreciation and interest expense, that directly affect our net income. We compensate for these limitations by considering the economic effect of the excluded expense items independently as well as in connection with our analysis of net income.

The following table reconciles our net income presented in the consolidated financial statements to NOI generated by our self-storage facilities for the three months ended March 31, 2021 and 2020.

	Three Months ended March 31,
(dollars in thousands)	2021			2020
Net income	$	47,592		$	36,625
General and administrative		14,183			12,906
Depreciation and amortization		33,359			28,330
Gain on sale of real estate		—			(302	)
Interest expense		20,346			20,246
Interest income		(779	)		(4	)
Equity in income of joint ventures		(1,221	)		(1,116	)
Net operating income	$	113,480		$	96,685
Net operating income
Same store	$	89,935		$	82,808
Other stores, tenant reinsurance related income    and management fee income		23,545			13,877
Total net operating income	$	113,480		$	96,685

Our 2021 same store results consist of only those properties that have been owned by the Company and included in our consolidated results since January 1, 2020, excluding stores not yet stabilized, four stores significantly impacted by flooding, and two stores that the Company began to fully replace in 2017. We believe that same store results are meaningful measures to investors in evaluating our operating performance because, given the acquisitive nature of the industry, same store results provide information about the overall business after removing the results from those properties that were not consistent from year-to-year. Additionally, same store results are widely used in the real estate industry and the self-storage industry to measure performance. Same store results should be considered in addition to, but not as a substitute for, consolidated results in accordance with GAAP. The following table sets forth operating data for our 531 same store properties. These results provide information relating to property operating changes without the effects of acquisitions.

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Same Store Summary

	Three Months ended March 31,				Percentage
(dollars in thousands)	2021		2020		Change
Same store rental income	$	133,144	$	124,111		7.3	%
Same store other operating income		1,593		1,494		6.6	%
Total same store operating income		134,737		125,605		7.3	%
Payroll and benefits		10,023		9,841		1.8	%
Real estate taxes		17,424		16,592		5.0	%
Utilities		3,793		3,620		4.8	%
Repairs and maintenance		4,702		4,046		16.2	%
Office and other operating expenses		4,036		3,803		6.1	%
Insurance		1,524		1,506		1.2	%
Advertising		48		64		(25.0	)%
Internet marketing		3,252		3,325		(2.2	)%
Total same store operating expenses		44,802		42,797		4.7	%
Same store net operating income	$	89,935	$	82,808		8.6	%

			Change
Quarterly same store move ins	46,838	46,389		449
Quarterly same store move outs	42,158	44,458		(2,300	)

We believe the increase in same store move ins was due to demand from housing transactions and increased demand from customers needing space to work from home as a result of the COVID-19 global health crisis. We believe the decrease in same store move outs was a result of customers increasing their length of stay and as a result of the COVID-19 global health crisis.

General and administrative expenses for the three months ended March 31, 2021 increased $1.3 million or 9.9% when compared with the three months ended March 31, 2020. This increase was primarily driven by an increase in home office personnel related costs to support the growth in stores and increased investments in technology.

Depreciation and amortization expense increased to $33.4 million in the three months ended March 31, 2021 from $28.3 million in the same period in 2020 as a result of depreciation and customer list amortization related to those properties acquired in 2021 and 2020, along with increased depreciation on self-storage facilities identified for replacement during the three months ended March 31, 2021.

Total interest expense remained fairly consistent at an increase of $0.1 million during the three months ended March 31, 2021 as compared to the same period in 2020 as the Company’s outstanding debt balances remained fairly consistent.

Total interest and dividend income increased by $0.8 million during the three months ended March 31, 2021 as compared to the same period in 2020 as a result of a preferred dividend received from one of the Company’s unconsolidated joint ventures during the three months ended March 31, 2021.

FUNDS FROM OPERATIONS

We believe that Funds from Operations (“FFO”) provides relevant and meaningful information about our operating performance that is necessary, along with net earnings and cash flows, for an understanding of our operating results. FFO adds back historical cost depreciation, which assumes the value of real estate assets diminishes predictably in the future. In fact, real estate asset values increase or decrease with market conditions. Consequently, we believe FFO is a useful supplemental measure in evaluating our operating performance by disregarding (or adding back) historical cost depreciation.

FFO is defined by the National Association of Real Estate Investment Trusts, Inc. (“NAREIT”) as net income available to common shareholders computed in accordance with generally accepted accounting principles (“GAAP”), excluding gains or losses on sales of properties, plus impairment of real estate assets, plus depreciation and amortization and after adjustments to record unconsolidated partnerships and joint ventures on the same basis. We believe that to further understand our performance FFO should be compared with our reported net income and cash flows in accordance with GAAP, as presented in our consolidated financial statements.

Our computation of FFO may not be comparable to FFO reported by other REITs or real estate companies that do not define the term in accordance with the current NAREIT definition or that interpret the current NAREIT definition differently. FFO does not represent cash generated from operating activities determined in accordance with GAAP, and should not be considered as an alternative to net income (determined in accordance with GAAP) as an indication of our performance, as an alternative to net cash flows from operating

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activities (determined in accordance with GAAP) as a measure of our liquidity, or as an indicator of our ability to make cash distributions.

Reconciliation of Net Income to Funds From Operations (unaudited)

	Three Months ended March 31,
(in thousands)	2021			2020
Net income attributable to common shareholders	$	47,383		$	36,433
Net income attributable to noncontrolling interests    in the Operating Partnership		209			192
Depreciation of real estate and amortization of    intangible assets exclusive of debt issuance costs		32,819			27,742
Depreciation and amortization from unconsolidated    joint ventures		1,202			1,795
Funds from operations allocable to noncontrolling    interest in the Operating Partnership		(359	)		(346	)
Funds from operations available to common    shareholders	$	81,254		$	65,816

LIQUIDITY AND CAPITAL RESOURCES

The COVID-19 global health crisis impacted the cost of debt and equity for a time during 2020 and may disrupt markets in the future. We expect to be able to maintain adequate liquidity as we manage through the current environment. While significant uncertainty exists as to the full impact of the COVID-19 global health crisis on our liquidity and capital resources, as of the date of this report we believe that the combination of our cash on hand, the cash generated by our operations, and our line of credit will be adequate to fund our operations. We will continue to actively monitor the potential impact of the COVID-19 global health crisis on our liquidity and capital resources.

Our line of credit and term notes require us to meet certain financial covenants measured on a quarterly basis, including prescribed leverage, fixed charge coverage, minimum net worth, limitations on additional indebtedness, and limitations on dividend payouts. At March 31, 2021, the Company was in compliance with all debt covenants. In the event that the Company violates its debt covenants in the future, the amounts due under the agreements could be callable by the lenders and could adversely affect our credit rating requiring us to pay higher interest and other debt-related costs. We believe that if operating results remain consistent with historical levels and levels of other debt and liabilities remain consistent with amounts outstanding at March 31, 2021, the entire availability under our line of credit could be drawn without violating our debt covenants.

Our ability to retain cash flow is limited because we operate as a REIT. In order to maintain our REIT status, a substantial portion of our operating cash flow must be used to pay dividends to our shareholders. We believe that our internally-generated net cash provided by operating activities and the availability on our line of credit will be sufficient to fund ongoing operations, capital improvements, dividends and debt service requirements.

Cash flows from operating activities were $67.1 million and $45.0 million for the three months ended March 31, 2021 and 2020, respectively. The increase in operating cash flows in the 2021 period compared to the 2020 period was primarily due to the increase in net income after adjusting for non-cash items.

Cash used in investing activities was $274.7 million and $130.3 million for the three months ended March 31, 2021 and 2020, respectively. The increase in cash used in investing activities in the 2021 period compared to the 2020 period was primarily due to the increased volume of acquisitions in 2021 as compared to the same period in 2020 and a decrease in return of investment in unconsolidated joint ventures in 2021.

Cash provided by financing activities was $167.3 million and $88.8 million for the three months ended March 31, 2021 and 2020, respectively. The increase is primarily a result of the increase in sales of shares of common stock under the Company’s continuous equity offering program during the three months ended March 31, 2021 resulting in net proceeds of $180.5 million as compared to the net proceeds of $21.5 million during the three months ended March 31, 2020, partially offset by increased dividends paid and a decrease in net proceeds from the Company’s line of credit during the three months ended March 31, 2021 as compared to the three months ended March 31, 2020.

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Note 6 and Note 7 to the consolidated financial statements include details related to the Company’s unsecured line of credit, term notes, mortgages, and other indebtedness. Note 13 to the consolidated financial statements includes details of our shareholders’ equity and activity related thereto.

Our line of credit facility and term notes have an investment grade rating from Standard and Poor’s (BBB) and Moody’s (Baa2).

Future acquisitions, our expansion and enhancement program, and share repurchases are expected to be funded with draws on our line of credit, issuance of common and preferred stock, the issuance of unsecured term notes, sale of properties, and private placement solicitation of joint venture equity. Should the capital markets deteriorate, we may have to curtail acquisitions, our expansion and enhancement program and share repurchases.

ACQUISITION AND DISPOSITION OF PROPERTIES

During the three months ended March 31, 2021, the Company acquired 16 self-storage facilities comprising 1.1 million square feet in Arizona (3), California (1), Florida (8), New York (1), South Carolina (1), and Washington (2) for a total purchase price of $266.2 million, which is net of the Company’s equity in the profit from the sale of the New York store purchased from an unconsolidated joint venture. The weighted average capitalization rate for these acquisitions was 3.0%. As discussed further in Note 5 and Note 10, the Company holds a 5% ownership interest in the joint venture from which one of the self-storage facilities was acquired. Additionally, three of these facilities were managed by the Company for third parties prior to acquisition.

In 2020, the Company acquired 40 self-storage facilities comprising 3.1 million square feet in California (8), Florida, (6), Georgia (1), Missouri (1), New Jersey (7), New York (1), Ohio (6), Pennsylvania (4), South Carolina (1), and Texas (5) for a total purchase price of $532.6 million. One of these acquired self-storage facilities resulted from the Company acquiring the remaining 15% of a joint venture. Additionally, one of these facilities was managed by the Company for a third party prior to acquisition. Based on the trailing financial information of the entities from which the self-storage facilities were acquired, the weighted average capitalization rate was 5.0% on these purchases and capitalization rates ranged from 0.2% on more recently constructed facilities to 6.4% on mature facilities.

We may acquire additional stabilized or newly constructed properties in 2021, however, there is no assurance that the Company will do so. Additionally, there can be no assurance that if significant additional opportunities were to arise, we would be able to raise capital at a reasonable cost to allow us to take advantage of such opportunities. At March 31, 2021, the Company was under contract to acquire six self-storage facilities for an aggregate purchase price of $106.5 million. The Company acquired one of these facilities subsequent to March 31, 2021 for $16.5 million. Additionally, subsequent to March 31, 2021, the Company entered into contracts to acquire 11 self-storage facilities for an aggregate purchase price of $159.2 million. The purchases of the facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

The Company did not sell or otherwise dispose of any properties during the three months ended March 31, 2021 or during fiscal year 2020.

As part of our ongoing strategy to improve overall operating efficiencies and portfolio quality, we may seek to sell self-storage facilities to third-parties or joint venture partners in 2021.

FUTURE ACQUISITION AND DEVELOPMENT PLANS

Our external growth strategy is to increase the number of facilities we own by acquiring suitable facilities in markets in which we already have operations, or to expand into new markets by acquiring several facilities at once in those new markets. We are actively pursuing acquisitions in 2021, including potential acquisitions by unconsolidated joint ventures.

We plan to complete a total of $30 million to $40 million of expansions and enhancements to our existing facilities in 2021, of which $18.4 million was paid as of March 31, 2021.

We also expect to continue investing in capital expenditures on our properties. This includes roofing, paving, and remodeling of store offices. For the three months ended March 31, 2021, we invested approximately $4.3 million in such improvements and we expect to invest approximately $16 million to $21 million for the remainder of 2021.

REIT QUALIFICATION AND DISTRIBUTION REQUIREMENTS

As a REIT, we are not required to pay federal income tax on income that we distribute to our shareholders, provided that we satisfy certain requirements, including distributing at least 90% of our REIT taxable income for a taxable year. These distributions must be made in the year to which they relate, or in the following year if declared before we file our federal income tax return, and if they are

30

paid not later than the date of the first regular dividend of the following year. As a REIT, we must derive at least 95% of our total gross income from income related to real property, interest and dividends.

Although we currently intend to operate in a manner designed to qualify as a REIT, it is possible that future economic, market, legal, tax or other considerations may cause our Board of Directors to revoke our REIT election.

UMBRELLA PARTNERSHIP REIT

We are formed as an Umbrella Partnership Real Estate Investment Trust (“UPREIT”) and, as such, have the ability to issue Operating Partnership Units in exchange for properties sold by independent owners. By utilizing such Units as currency in facility acquisitions, we may obtain more favorable pricing or terms due to the seller’s ability to partially defer their income tax liability. As of March 31, 2021, 333,399 Units are outstanding. These Units had been issued in exchange for self-storage properties at the request of the sellers.

INTEREST RATE RISK

The primary market risk to which we believe we are exposed is interest rate risk, which may result from many factors, including government monetary and tax policies, domestic and international economic and political considerations, and other factors that are beyond our control.

Based on our outstanding unsecured floating rate debt of $43.0 million at March 31, 2021, a 100 basis point increase in interest rates would have a $0.4 million effect on our annual interest expense. This amount was determined by considering the impact of the hypothetical interest rates on our borrowing cost on March 31, 2021. This analysis does not consider the effects of the reduced level of overall economic activity that could exist in such an environment. Further, in the event of a change of such magnitude, we would consider taking actions to further mitigate our exposure to the change. However, due to the uncertainty of the specific actions that would be taken and their possible effects, the sensitivity analysis assumes no changes in our capital structure.

INFLATION

We do not believe that inflation has had or will have a direct effect on our operations. Substantially all of the leases at our facilities are on a month-to-month basis which provides us with the opportunity to increase rental rates in a timely manner in response to any potential future inflationary pressures.

SEASONALITY

Our revenues typically have been higher in the third and fourth quarters, primarily because self-storage facilities tend to experience greater occupancy during the late spring, summer and early fall months due to the greater incidences of residential moves and college student activity during these periods. However, we believe that our customer mix, diverse geographic locations, rental structure and expense structure provide adequate protection against undue fluctuations in cash flows and net revenues during off-peak seasons. Thus, we do not expect seasonality to materially affect distributions to shareholders.

RECENT ACCOUNTING PRONOUNCEMENTS

See Note 15 to the financial statements.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

The information required is incorporated by reference to the information appearing under the caption “Interest Rate Risk” in “Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations” above.

31

Item 4. Controls and Procedures

Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures

Parent Company

An evaluation of the effectiveness of the design and operation of our disclosure controls and procedures, as such term is defined under Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, has been conducted under the supervision of and with the participation of our management, including the Chief Executive Officer and Chief Financial Officer. Based on that evaluation, our management, including the Chief Executive Officer and Chief Financial Officer, concluded that our disclosure controls and procedures were effective at March 31, 2021. There have not been changes in the Company’s internal controls or in other factors that could significantly affect these controls during the quarter ended March 31, 2021.

Changes in Internal Control over Financial Reporting

There have not been any changes in the Company’s internal control over financial reporting (as defined in 13a-15(f) and 15d-15(f) promulgated under the Securities Exchange Act of 1934) that occurred during the Company’s most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

Operating Partnership

An evaluation of the effectiveness of the design and operation of our disclosure controls and procedures, as such term is defined under Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, has been conducted under the supervision of and with the participation of our management, including the Chief Executive Officer and Chief Financial Officer. Based on that evaluation, our management, including the Chief Executive Officer and Chief Financial Officer, concluded that our disclosure controls and procedures were effective at March 31, 2021. There have not been changes in the Operating Partnership’s internal controls or in other factors that could significantly affect these controls during the quarter ended March 31, 2021.

Changes in Internal Control over Financial Reporting

There have not been any changes in the Operating Partnership’s internal control over financial reporting (as defined in 13a-15(f) and 15d-15(f) promulgated under the Securities Exchange Act of 1934) that occurred during the Operating Partnership’s most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Operating Partnership’s internal control over financial reporting.

32

PART II. Other Information

Item 1. Legal Proceedings

Although we are party to various legal proceedings, we believe that the likelihood of these contingencies resulting in a material loss to the Company, either individually or in the aggregate, is remote.

Item  1A. Risk Factors

In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2020 (“2020 Annual Report”), which could materially affect our business, financial condition or future results. The risks described in our 2020 Annual Report are not the only risks facing our Company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and operating results.

Item  2. Unregistered Sales of Equity Securities and Use of Proceeds

(c) On August 2, 2017, the Company’s Board of Directors authorized the repurchase of up to $200 million of the Company’s common stock. We have not made any repurchases under such program since 2017, and up to approximately $191.8 million of the Company’s common stock may yet be purchased under such program. The program does not have an expiration date but may be suspended or discontinued at any time.

Item 3. Defaults Upon Senior Securities

None

Item 4. Mine Safety Disclosures

Not Applicable

Item 5. Other Information

None

33

Item 6. Exhibits

31.1	Certification of Chief Executive Officer of Life Storage, Inc. pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended.
31.2	Certification of Chief Financial Officer of Life Storage, Inc. pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended.
31.3	Certification of Chief Executive Officer of Life Storage LP pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended.
31.4	Certification of Chief Financial Officer of Life Storage LP pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended.
32	Certification of Chief Executive Officer and Chief Financial Officer of Life Storage, Inc. Pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.1	Certification of Chief Executive Officer and Chief Financial Officer of Life Storage LP Pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	The following financial statements from the Parent Company’s and the Operating Partnership’s Quarterly Report on Form    10-Q for the quarter ended March 31, 2021, formatted in inline XBRL, as follows:
	(i) Consolidated Balance Sheets at March 31, 2021 and December 31, 2020;
	(ii) Consolidated Statements of Operations for the three months ended March 31, 2021 and 2020;
	(iii) Consolidated Statements of Cash Flows for the three months ended March 31, 2021 and 2020;
	(iv) Consolidated Statements of Comprehensive Income for the three months ended March 31, 2021 and 2020; and
	(v) Notes to Consolidated Financial Statements.
104	Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101).

34

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Life Storage, Inc.
By:	/S/ Andrew J. Gregoire
	Andrew J. Gregoire
	Chief Financial Officer
	(Principal Accounting Officer)

May 5, 2021

Date

Life Storage LP
By:	/S/ Andrew J. Gregoire
	Andrew J. Gregoire
	Chief Financial Officer
	(Principal Accounting Officer)

May 5, 2021

Date

35

EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) and 15d-14(a) of the

Securities Exchange Act, as amended

I, Joseph V. Saffire, certify that:

1. I have reviewed this report on Form 10-Q of Life Storage, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)), for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external reporting purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal controls over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date: May 5, 2021

/S/ Joseph V. Saffire 

Joseph V. Saffire

Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) and 15d-14(a) of the

Securities Exchange Act, as amended

I, Andrew J. Gregoire, certify that:

1. I have reviewed this report on Form 10-Q of Life Storage, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)), for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external reporting purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal controls over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date: May 5, 2021

/S/ Andrew J. Gregoire 

Andrew J. Gregoire

Chief Financial Officer

EX-31.3

Exhibit 31.3

Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) and 15d-14(a) of the

Securities Exchange Act, as amended

I, Joseph V. Saffire, certify that:

1. I have reviewed this report on Form 10-Q of Life Storage LP;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)), for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external reporting purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal controls over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date: May 5, 2021

/S/ Joseph V. Saffire 

Joseph V. Saffire

Chief Executive Officer

EX-31.4

Exhibit 31.4

Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) and 15d-14(a) of the

Securities Exchange Act, as amended

I, Andrew J. Gregoire, certify that:

1. I have reviewed this report on Form 10-Q of Life Storage LP;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)), for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external reporting purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal controls over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls over financial reporting.

Date: May 5, 2021

/S/ Andrew J. Gregoire

Andrew J. Gregoire

Chief Financial Officer

EX-32

Exhibit 32

Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C.

Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Each of the undersigned of Life Storage, Inc. (the “Company”) does hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

1) The Quarterly Report on Form 10-Q of the Company for the period ended March 31, 2021 (the “Report”) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: May 5, 2021

/S/ Joseph V. Saffire 

Joseph V. Saffire

Chief Executive Officer

/S/ Andrew J. Gregoire 

Andrew J. Gregoire

Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C.

Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Each of the undersigned of Life Storage LP (the “Company”) does hereby certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

1) The Quarterly Report on Form 10-Q of the Company for the period ended March 31, 2021 (the “Report”) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); and

2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: May 5, 2021

/S/ Joseph V. Saffire 

Joseph V. Saffire

Chief Executive Officer

/S/ Andrew J. Gregoire 

Andrew J. Gregoire

Chief Financial Officer

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2021	Apr. 29, 2021
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Trading Symbol	LSI
Entity Registrant Name	LIFE STORAGE, INC.
Entity Central Index Key	0000944314
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		76,855,417
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Title of 12(b) Security	Common Stock, $.01 par value
Security Exchange Name	NYSE
Entity File Number	1-13820
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	16-1194043
Entity Address, Address Line One	6467 Main Street
Entity Address, City or Town	Williamsville
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	14221
City Area Code	716
Local Phone Number	633-1850
Document Quarterly Report	true
Document Transition Report	false
Life Storage LP [Member]
Document Information [Line Items]
Entity Registrant Name	LIFE STORAGE LP
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		76,855,417
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity File Number	0-24071
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	16-1481551
Entity Address, Address Line One	6467 Main Street
Entity Address, City or Town	Williamsville
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	14221
City Area Code	716
Local Phone Number	633-1850
Document Quarterly Report	true
Document Transition Report	false

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Investment in storage facilities:
Land	$ 991,214	$ 951,813
Building, equipment, and construction in progress	4,612,622	4,378,510
Real estate investment property, at cost, total	5,603,836	5,330,323
Less: accumulated depreciation	(904,420)	(873,178)
Investment in storage facilities, net	4,699,416	4,457,145
Cash and cash equivalents	13,914	54,400
Accounts receivable	14,796	15,464
Receivable from unconsolidated joint ventures	520	1,064
Investment in unconsolidated joint ventures	140,415	143,042
Prepaid expenses	12,335	8,326
Trade name	16,500	16,500
Other assets	32,865	31,907
Total Assets	4,930,761	4,727,848
Liabilities
Line of credit	43,000
Term notes, net	2,156,140	2,155,457
Accounts payable and accrued liabilities	95,708	112,654
Deferred revenue	20,120	17,416
Mortgages payable	37,596	37,777
Total Liabilities	2,352,564	2,323,304
Noncontrolling redeemable Operating Partnership Units at redemption value	28,707	26,446
Shareholders' Equity/ Partners' Capital
Common stock $.01 par value, 100,000,000 shares authorized, 76,477,796 shares outstanding at March 31, 2021 (74,211,920 at December 31, 2020)	765	495
Additional paid-in capital	2,853,019	2,671,311
Dividends in excess of net income	(299,482)	(288,667)
Accumulated other comprehensive loss	(4,812)	(5,041)
Total Shareholders’ Equity	2,549,490	2,378,098
Total Liabilities and Shareholders' Equity/ Partners' Capital	4,930,761	4,727,848
Life Storage LP [Member]
Investment in storage facilities:
Land	991,214	951,813
Building, equipment, and construction in progress	4,612,622	4,378,510
Real estate investment property, at cost, total	5,603,836	5,330,323
Less: accumulated depreciation	(904,420)	(873,178)
Investment in storage facilities, net	4,699,416	4,457,145
Cash and cash equivalents	13,914	54,400
Accounts receivable	14,796	15,464
Receivable from unconsolidated joint ventures	520	1,064
Investment in unconsolidated joint ventures	140,415	143,042
Prepaid expenses	12,335	8,326
Trade name	16,500	16,500
Other assets	32,865	31,907
Total Assets	4,930,761	4,727,848
Liabilities
Line of credit	43,000
Term notes, net	2,156,140	2,155,457
Accounts payable and accrued liabilities	95,708	112,654
Deferred revenue	20,120	17,416
Mortgages payable	37,596	37,777
Total Liabilities	2,352,564	2,323,304
Limited partners' redeemable capital interest at redemption value (243,966 and 246,466units outstanding at September 30, 2020 and December 31, 2019, respectively)	28,707	26,446
Shareholders' Equity/ Partners' Capital
General partner (484,429 and 469,225 units outstanding at September 30, 2020 and December 31, 2019, respectively)	25,782	24,045
Limited partners (47,714,579 and 46,206,708 units outstanding at September 30, 2020and December 31, 2019, respectively)	2,528,520	2,359,094
Accumulated other comprehensive loss	(4,812)	(5,041)
Total Partners’ Capital	2,549,490	2,378,098
Total Liabilities and Shareholders' Equity/ Partners' Capital	$ 4,930,761	$ 4,727,848

XML

Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2021	Dec. 31, 2020
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares outstanding	76,477,796	74,211,920
Life Storage LP [Member]
Limited partners' redeemable capital interest, units outstanding	333,399	334,149
General partner, units outstanding	767,571	745,461
Limited partners, units outstanding	75,710,225	73,466,459

XML

Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues
Rental income	$ 150,283	$ 128,907
Other operating income	21,604	18,036
Total operating revenues	171,887	146,943
Expenses
Property operations and maintenance	38,520	32,850
Real estate taxes	19,887	17,408
General and administrative	14,183	12,906
Depreciation and amortization	33,359	28,330
Total operating expenses	105,949	91,494
Gain on sale of real estate		302
Income from operations	65,938	55,751
Other income (expenses)
Interest expense	(20,346)	(20,246)
Interest and dividend income	779	4
Equity in income of joint ventures	1,221	1,116
Net income	47,592	36,625
Net income attributable to noncontrolling interest in the Operating Partnership	(209)	(192)
Net income attributable to common shareholders/unitholders	$ 47,383	$ 36,433
Earnings per common share/unit attributable to common shareholders/unitholders - basic	$ 0.63	$ 0.52
Earnings per common share/unit attributable to common shareholders/unitholders - diluted	$ 0.63	$ 0.52
Common shares/units used in basic earnings per share/unit calculation	75,387,332	70,015,856
Common shares/units used in diluted earnings per share/unit calculation	75,510,201	70,126,344
Dividends/distributions declared per common share/unit	$ 0.74	$ 0.71
Life Storage LP [Member]
Revenues
Rental income	$ 150,283	$ 128,907
Other operating income	21,604	18,036
Total operating revenues	171,887	146,943
Expenses
Property operations and maintenance	38,520	32,850
Real estate taxes	19,887	17,408
General and administrative	14,183	12,906
Depreciation and amortization	33,359	28,330
Total operating expenses	105,949	91,494
Gain on sale of real estate		302
Income from operations	65,938	55,751
Other income (expenses)
Interest expense	(20,346)	(20,246)
Interest and dividend income	779	4
Equity in income of joint ventures	1,221	1,116
Net income	47,592	36,625
Net income attributable to noncontrolling interest in the Operating Partnership	(209)	(192)
Net income attributable to common shareholders/unitholders	$ 47,383	$ 36,433
Earnings per common share/unit attributable to common shareholders/unitholders - basic	$ 0.63	$ 0.52
Earnings per common share/unit attributable to common shareholders/unitholders - diluted	$ 0.63	$ 0.52
Common shares/units used in basic earnings per share/unit calculation	75,387,332	70,015,856
Common shares/units used in diluted earnings per share/unit calculation	75,510,201	70,126,344
Dividends/distributions declared per common share/unit	$ 0.74	$ 0.71
Net income attributable to general partner	$ 476	$ 366
Net income attributable to limited partners	$ 46,907	$ 36,067

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Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net income	$ 47,592	$ 36,625
Other comprehensive income:
Effective portion of gain on derivatives net of reclassification to interest expense	229	229
Total comprehensive income	47,821	36,854
Comprehensive income attributable to noncontrolling interest in the Operating Partnership	(210)	(193)
Comprehensive income attributable to common shareholders/unitholders	47,611	36,661
Life Storage LP [Member]
Net income	47,592	36,625
Other comprehensive income:
Effective portion of gain on derivatives net of reclassification to interest expense	229	229
Total comprehensive income	47,821	36,854
Comprehensive income attributable to noncontrolling interest in the Operating Partnership	(210)	(193)
Comprehensive income attributable to common shareholders/unitholders	$ 47,611	$ 36,661

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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net income	$ 47,592	$ 36,625
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33,359	28,330
Amortization of debt issuance costs and bond discount	1,062	1,025
Gain on sale of real estate		(302)
Equity in income of joint ventures	(1,221)	(1,116)
Distributions from unconsolidated joint ventures	2,547	3,611
Non-vested stock earned	1,453	1,124
Deferred income taxes	64	399
Other	(67)
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable	705	541
Prepaid expenses	(3,862)	(3,904)
Receipts from joint ventures	544	51
Accounts payable and other liabilities	(16,949)	(22,492)
Deferred revenue	1,865	1,140
Net cash provided by operating activities	67,092	45,032
Investing Activities
Acquisition of storage facilities, net of cash acquired	(265,197)	(124,204)
Improvements, equipment additions, and construction in progress	(10,228)	(11,661)
Return of investment in unconsolidated joint ventures	2,573	8,359
Investment in unconsolidated joint ventures	(1,330)	(2,990)
Property deposits	(519)	171
Net cash used in investing activities	(274,701)	(130,325)
Financing Activities
Net proceeds from sale of common stock\partnership units	180,529	21,466
Proceeds from line of credit	76,000	172,000
Repayments of line of credit	(33,000)	(54,000)
Dividends paid - common stock	(55,840)	(49,969)
Distributions to noncontrolling interest holders	(247)	(264)
Redemption of Operating Partnership Units	(63)	(265)
Mortgage principal payments	(117)	(166)
Net cash provided by financing activities	167,262	88,802
Net increase in cash and restricted cash	(40,347)	3,509
Cash and restricted cash at beginning of period	58,771	21,556
Cash and restricted cash at end of period	18,424	25,065
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	15,118	18,315
Cash (received) paid for income taxes, net of refunds	(312)	265
Life Storage LP [Member]
Operating Activities
Net income	47,592	36,625
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33,359	28,330
Amortization of debt issuance costs and bond discount	1,062	1,025
Gain on sale of real estate		(302)
Equity in income of joint ventures	(1,221)	(1,116)
Distributions from unconsolidated joint ventures	2,547	3,611
Non-vested stock earned	1,453	1,124
Deferred income taxes	64	399
Other	(67)
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable	705	541
Prepaid expenses	(3,862)	(3,904)
Receipts from joint ventures	544	51
Accounts payable and other liabilities	(16,949)	(22,492)
Deferred revenue	1,865	1,140
Net cash provided by operating activities	67,092	45,032
Investing Activities
Acquisition of storage facilities, net of cash acquired	(265,197)	(124,204)
Improvements, equipment additions, and construction in progress	(10,228)	(11,661)
Return of investment in unconsolidated joint ventures	2,573	8,359
Investment in unconsolidated joint ventures	(1,330)	(2,990)
Property deposits	(519)	171
Net cash used in investing activities	(274,701)	(130,325)
Financing Activities
Net proceeds from sale of common stock\partnership units	180,529	21,466
Proceeds from line of credit	76,000	172,000
Repayments of line of credit	(33,000)	(54,000)
Distributions to unitholders	(55,840)	(49,969)
Distributions to noncontrolling interest holders	(247)	(264)
Redemption of Operating Partnership Units	(63)	(265)
Mortgage principal payments	(117)	(166)
Net cash provided by financing activities	167,262	88,802
Net increase in cash and restricted cash	(40,347)	3,509
Cash and restricted cash at beginning of period	58,771	21,556
Cash and restricted cash at end of period	18,424	25,065
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	15,118	18,315
Cash (received) paid for income taxes, net of refunds	$ (312)	$ 265

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Basis of Presentation

3 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Basis of Presentation

1. BASIS OF PRESENTATION

The accompanying unaudited financial statements of Life Storage, Inc. (the “Parent Company”) and Life Storage LP (the “Operating Partnership”) have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all information and footnotes required by generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the three-month period ended March 31, 2021 are not necessarily indicative of the results that may be expected for the year ending December 31, 2021.  Share and per share amounts and unit and per unit amounts as of and for the periods ending March 31, 2020 and December 31, 2020 have been adjusted to reflect the impact of the three-for-two distribution of common stock announced by the Company on January 4, 2021 and distributed on January 27, 2021 to shareholders and unitholders of record on January 15, 2021.

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Organization

3 Months Ended

Mar. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Organization

2. ORGANIZATION

The Parent Company operates as a self-administered and self-managed real estate investment trust (a “REIT”) that owns and operates self-storage properties. All of the Parent Company’s assets are owned by, and all its operations are conducted through, the Operating Partnership. Life Storage Holdings, Inc., a wholly-owned subsidiary of the Parent Company (“Holdings”), is the sole general partner of the Operating Partnership; the Parent Company is a limited partner of the Operating Partnership and, through its ownership of Holdings and its limited partnership interest, controls the operations of the Operating Partnership, holding a 99.6% ownership interest therein as of March 31, 2021. The remaining ownership interests in the Operating Partnership (the “Units”) are held by certain former owners of assets acquired by the Operating Partnership. The Parent Company, the Operating Partnership and their consolidated subsidiaries are collectively referred to in this report as the “Company.” In addition, terms such as “we,” “us,” or “our” used in this report may refer to the Company, the Parent Company and/or the Operating Partnership.

At March 31, 2021, we had an ownership interest in and/or managed 955 self-storage properties in 32 states and Ontario, Canada. Among our 955 self-storage properties are 91 properties that we manage for unconsolidated joint ventures (see Note 10) and 251 properties that we manage and in which we have no ownership interest.

We consolidate all wholly owned subsidiaries. Partially owned entities, including joint ventures, are consolidated when we control the entity. Our consolidated financial statements include the accounts of the Parent Company, the Operating Partnership, Life Storage Solutions, LLC (one of the Parent Company’s taxable REIT subsidiaries), Warehouse Anywhere LLC, and all other wholly owned subsidiaries. Prior to July 2, 2020, the Company owned 60% of Warehouse Anywhere LLC. On July 2, 2020, the Company acquired the remaining ownership interest in Warehouse Anywhere LLC. All intercompany transactions and balances have been eliminated. Investments in joint ventures that we do not control but over which we have significant influence are accounted for using the equity method.

Included in the Parent Company’s consolidated balance sheets are noncontrolling redeemable Operating Partnership Units and included in the Operating Partnership’s consolidated balance sheets are limited partners’ redeemable capital interest at redemption value. These interests are presented in the “mezzanine” section of the consolidated balance sheets because they do not meet the functional definition of a liability or equity under current accounting literature. These represent the outside ownership interests of the limited partners in the Operating Partnership. There were 333,399 and 334,149 noncontrolling redeemable Operating Partnership Units outstanding at March 31, 2021 and December 31, 2020, respectively. These unitholders are entitled to receive distributions per unit equivalent to the dividends declared per share on the Parent Company’s common stock. The Operating Partnership is obligated to redeem each of these limited partnership units in the Operating Partnership at the request of the holder thereof for cash equal to the fair market value of a share of the Parent Company’s common stock based on a 10-day average of the daily market price, at the time of such redemption, provided that the Company, at its option, may elect to acquire any such Unit presented for redemption for one common share or cash. The Company accounts for these noncontrolling redeemable Operating Partnership Units under the provisions of Accounting Standards Codification (ASC) Topic 480-10-S99. The application of the ASC Topic 480-10-S99 accounting model requires the noncontrolling interest to follow normal noncontrolling interest accounting and then be marked to redemption value at the end of each reporting period if higher (but never adjusted below that normal noncontrolling interest accounting amount). The offset to the adjustment to the carrying amount of the noncontrolling interests is reflected in the Company’s dividends in excess of net income and in the Operating Partnership’s general partner and limited partners capital balances. Accordingly, in the accompanying consolidated balance sheets, noncontrolling interests are reflected at redemption value at March 31, 2021 and December 31, 2020, equal to the number of noncontrolling interest units outstanding multiplied by the fair market value of the Parent Company’s common stock at that date. Redemption value exceeded the value determined under the Company’s historical basis of accounting at those dates.

The following is a reconciliation of the Parent Company’s noncontrolling redeemable Operating Partnership Units and the Operating Partnership’s limited partners’ redeemable capital interest for the period:

(dollars in thousands)	Three Months Ended March 31, 2021
Beginning balance	$	26,446
Net income attributable to noncontrolling interest in the    Operating Partnership		209
Redemption of units		(59	)
Distributions		(247	)
Adjustment to redemption value		2,358
Ending balance	$	28,707

The disaggregated revenues of the Company presented in accordance with ASC Topic 606 “Revenue from Contracts with Customers” are as follows:

(dollars in thousands)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Rental income	$	150,283	$	128,907
Management and acquisition fee income		4,590		4,413
Revenues related to tenant reinsurance		12,619		10,138
Other		4,395		3,485
Total operating revenues	$	171,887	$	146,943

Management and acquisition fee income and revenues related to tenant reinsurance are included in other operating income in the consolidated statements of operations.

During the three months ended March 31, 2021, approximately 18% and 13% of the Company’s revenue was derived from self-storage facilities in the states of Texas and Florida, respectively.

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Stock Based Compensation

3 Months Ended

Mar. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock Based Compensation

3. STOCK BASED COMPENSATION

The Company accounts for stock-based compensation under the provisions of ASC Topic 718, “Compensation - Stock Compensation.” The Company recognizes compensation cost in its financial statements for all share-based payments granted, modified, or settled during the period.

For awards with graded vesting, compensation cost is recognized on a straight-line basis over the related vesting period.

For the three months ended March 31, 2021 and 2020, the Company recorded compensation expense of $1,453,000 and $1,124,000, respectively, related to amortization of non-vested stock grants and performance-based awards.

No stock options were exercised by employees or directors during the three months ended March 31, 2021 and 2020. During the three months ended March 31, 2021 and 2020, 9,307 and 10,745 shares of non-vested stock, respectively, vested.

During the three months ended March 31, 2021, the Company issued 1,844 shares of non-vested stock to employees and directors which vest over periods ranging from one to five years. The per-share fair market value on the date of grant of the non-vested stock issued during the three months ended March 31, 2021 ranged from $84.06 to $84.33, resulting in an aggregate fair value of $155,100.

During the three months ended March 31, 2021, the Company granted performance-based awards that entitle recipients to earn up to 19,500 shares of Company stock if certain performance criteria are achieved over a three-year period. The Company estimated the aggregate fair value of the awards on the grant date to be $0.8 million.

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Cash and Restricted Cash

3 Months Ended

Mar. 31, 2021

Cash And Cash Equivalents [Abstract]

Cash and Restricted Cash

4. CASH AND RESTRICTED CASH

Restricted cash represents those amounts required to be placed in escrow by banks with whom the Company has mortgages and amounts required to be placed into escrow related to the Company’s tenant reinsurance program. Restricted cash is included in other assets in the consolidated balance sheets. The following table provides a reconciliation of cash and restricted cash reported within the consolidated statement of cash flows:

(Dollars in thousands)	March 31, 2021		December 31, 2020		March 31, 2020
Cash	$	13,914	$	54,400	$	20,720
Restricted cash		4,510		4,371		4,345
Total cash and restricted cash	$	18,424	$	58,771	$	25,065

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Investment in Storage Facilities and Intangible Assets

3 Months Ended

Mar. 31, 2021

Real Estate [Abstract]

Investment in Storage Facilities and Intangible Assets

5. INVESTMENT IN STORAGE FACILITIES AND INTANGIBLE ASSETS

The following summarizes our activity in storage facilities during the three months ended March 31, 2021:

(dollars in thousands)
Cost:
Beginning balance	$	5,330,323
Acquisition of storage facilities		263,299
Improvements and equipment additions		4,289
Net increase in construction in progress		6,024
Dispositions		(99	)
Ending balance	$	5,603,836
Accumulated Depreciation:
Beginning balance	$	873,178
Additions during the period		31,293
Dispositions		(51	)
Ending balance	$	904,420

The Company acquired 16 self-storage facilities during the three months ended March 31, 2021. The acquisitions of these facilities were accounted for as asset acquisitions. The costs of the facilities, including closing costs, were allocated to land, building, equipment and improvements, and in-place customer leases based upon their relative fair values.

The purchase prices of the facilities acquired in 2021 have been assigned as follows:

(dollars in thousands)						Consideration paid				Acquisition Date Fair Value
States	Number of Properties		Date of Acquisition	Purchase Price		Cash Paid		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		In-Place Customer Leases
SC		1	1/4/2021	$	8,070	$	8,042	$	28	$	812	$	7,153	$	105
CA		1	1/21/2021		18,287	$	18,251		36		1,322		16,830		135
NY		1	3/4/2021		47,947	$	47,933		14		10,591		37,020		336
FL		8	3/11/2021		85,156	$	84,586		570		13,381		70,538		1,237
AZ		3	3/24/2021		67,089	$	66,890		199		7,129		59,320		632
WA		2	3/25/2021		39,666	$	39,495		171		6,166		33,037		443
Total acquired in 2021		16		$	266,215	$	265,197	$	1,018	$	39,401	$	223,898	$	2,888

The facility purchased in New York in the first quarter of 2021 was acquired from SNL Orix Merrick (“Merrick”), an unconsolidated joint venture in which the Company holds a 5% ownership interest. In accordance with ASC Topic 970, “Real Estate – General,” the Company recorded its equity in the profit from the sales of this self-storage facility as a reduction in the respective purchase price allocated to land and depreciable fixed assets. In addition to the $47.9 million cash payment for the self-storage facility acquired from Merrick, the Company also recognized $0.8 million as a return on the Company’s investment in Merrick as discussed further in Note 10.

Non-cash investing activities during the three months ended March 31, 2021 include the assumption of net other liabilities totaling $1.0 million.

The Company measures the fair value of in-place customer lease intangible assets based on the Company’s experience with customer turnover and the cost to replace the in-place leases. The Company amortizes in-place customer leases on a straight-line basis over 12 months (the estimated future benefit period). The Company measures the value of trade names, which have an indefinite life and are not amortized, by calculating discounted cash flows utilizing the relief from royalty method.

In-place customer leases are included in other assets on the Company’s consolidated balance sheets as follows:

(Dollars in thousands)	March 31, 2021			December 31, 2020
In-place customer leases	$	89,751		$	86,863
Accumulated amortization		(83,525	)		(81,455	)
Net carrying value at the end of period	$	6,226		$	5,408

Amortization expense related to in-place customer leases was $2.1 million and $1.3 million for the three months ended March 31, 2021 and 2020, respectively, and is included in depreciation and amortization expense on the consolidated statements of operations.

Change in Useful Life Estimates

As part of the Company’s capital improvement efforts during 2020 and 2021, buildings at certain self-storage facilities were identified for replacement. As a result of the decision to replace these buildings, the Company reassessed the estimated useful lives of the then existing buildings. This useful life reassessment resulted in an increase in depreciation expense of approximately $1.4 million during the three months ended March 31, 2021. There were no facilities identified for replacement or related impact on depreciation expense during the three months ended March 31, 2020. The Company estimates that due to buildings recently identified for replacement, the change in estimated useful lives of buildings identified for replacement as of March 31, 2021 will result in an increase in depreciation expense of approximately $0.4 million during the remainder of 2021.

The accelerated depreciation resulting from the events discussed above reduced both basic and diluted earnings per share/unit by approximately $0.02 for the three months ended March 31, 2021.

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Unsecured Line of Credit and Term Notes

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Unsecured Line of Credit and Term Notes

6. UNSECURED LINE OF CREDIT AND TERM NOTES

Borrowings outstanding on our unsecured line of credit and term notes are as follows:

(Dollars in thousands)	March 31, 2021			December 31, 2020
Revolving line of credit borrowings	$	43,000		$	—
Term note due April 8, 2024		175,000			175,000
Senior term note due July 1, 2026		600,000			600,000
Senior term note due December 15, 2027		450,000			450,000
Term note due July 21, 2028		200,000			200,000
Senior term note due June 15, 2029		350,000			350,000
Senior term note due October 15, 2030		400,000			400,000
Total term note principal balance outstanding		2,175,000			2,175,000
Less: unamortized debt issuance costs		(12,380	)		(12,833	)
Less: unamortized senior term note discount		(6,480	)		(6,710	)
Term notes payable	$	2,156,140		$	2,155,457

The Company’s unsecured amended credit agreement includes a revolving credit facility with a limit of $500 million with a maturity date of March 10, 2023, and initially included a term note in the principal amount of $100 million with a maturity date of June 4, 2020 which has since been repaid. Such credit agreement provides for interest on the revolving credit facility at a variable annual rate equal to LIBOR plus a margin based on the Company’s credit rating (at March 31, 2021 the margin is 0.95%), interest on any term notes at a variable annual rate equal to LIBOR plus a margin based on the Company’s credit rating (at March 31, 2021 the margin is 1.00%), and requires an annual facility fee on the revolving credit facility which varies based upon the Company’s credit rating (at March 31, 2021 the facility fee is 0.15%). The interest rate on the Company’s revolving credit facility at March 31, 2021 was approximately 1.06% (1.09% at December 31, 2020) and the interest rate on any term notes at March 31, 2021 was approximately 1.11% (1.14% at December 31, 2020). At March 31, 2021 there was $456.9 million available on the unsecured line of credit. The Company has the option under this credit facility to increase the total aggregate borrowing capacity of the facilities to $900 million.

On September 23, 2020, the Operating Partnership issued $400 million in aggregate principal amount of 2.200% unsecured senior notes due October 15, 2030 (the “2030 Senior Notes”). The 2030 Senior Notes were issued at 0.476% discount to par value. Interest on the 2030 Senior Notes is payable semi-annually in arrears on each April 15 and October 15, commencing with April 15, 2021. Proceeds received upon issuance, net of discount to par of $1.9 million and underwriting and other offering expenses of $3.5 million, totaled $394.6 million.

On June 3, 2019, the Operating Partnership issued $350 million in aggregate principal amount of 4.000% unsecured senior notes due June 15, 2029 (the “2029 Senior Notes”). The 2029 Senior Notes were issued at a 0.524% discount to par value. Interest on the 2029 Senior Notes is payable semi-annually in arrears on each June 15 and December 15. Proceeds received upon issuance, net of discount to par of $1.8 million and underwriting discount and other offering expenses of $3.1 million, totaled $345.1 million.

On December 7, 2017, the Operating Partnership issued $450 million in aggregate principal amount of 3.875% unsecured senior notes due December 15, 2027 (the “2027 Senior Notes”). The 2027 Senior Notes were issued at a 0.477% discount to par value. Interest on the 2027 Senior Notes is payable semi-annually in arrears on each June 15 and December 15. Proceeds received upon issuance, net of discount to par of $2.1 million and underwriting discount and other offering expenses of $4.0 million, totaled $443.9 million.

On June 20, 2016, the Operating Partnership issued $600 million in aggregate principal amount of 3.50% unsecured senior notes due July 1, 2026 (the “2026 Senior Notes”). The 2026 Senior Notes were issued at a 0.553% discount to par value. Interest on the 2026 Senior Notes is payable semi-annually in arrears on each January 1 and July 1. Proceeds received upon issuance, net of discount to par of $3.3 million and underwriting discount and other offering expenses of $5.5 million, totaled $591.2 million.

The 2030 Senior Notes, the 2029 Senior Notes, the 2027 Senior Notes and the 2026 Senior Notes are all fully and unconditionally guaranteed by the Parent Company. The indenture under which the 2030 Senior Notes, the 2029 Senior Notes, the 2027 Senior Notes and the 2026 Senior Notes were issued restricts the ability of the Company and its subsidiaries to incur debt unless the Company and its consolidated subsidiaries comply with a leverage ratio not to exceed 60% and an interest coverage ratio of more than 1.5:1 on all outstanding debt, after giving effect to the incurrence of the debt. The indenture also restricts the ability of the Company and its subsidiaries to incur secured debt unless the Company and its consolidated subsidiaries comply with a secured debt leverage ratio not to exceed 40% after giving effect to the incurrence of the debt. The indenture also contains other financial and customary covenants, including a covenant not to own unencumbered assets with a value less than 150% of the unsecured indebtedness of the Company and its consolidated subsidiaries. At March 31, 2021, the Company was in compliance with such covenants.

On July 21, 2016, the Company entered into a $200 million term note maturing July 21, 2028 bearing interest at a fixed rate of 3.67%.

On April 8, 2014, the Company entered into a $175 million term note maturing April 8, 2024 bearing interest at a fixed rate of 4.533%. The interest rate on the term note increases to 6.283% if the Company is not rated by at least one rating agency or if the Company’s credit rating is downgraded.

The line of credit and term notes require the Company to meet certain financial covenants, measured on a quarterly basis, including prescribed leverage, fixed charge coverage, minimum net worth, limitations on additional indebtedness and limitations on dividend payouts. At March 31, 2021, the Company was in compliance with such covenants.

We believe that if operating results remain consistent with historical levels and levels of other debt and liabilities remain consistent with amounts outstanding at March 31, 2021, the entire availability on the line of credit could be drawn without violating our debt covenants.

The Company’s fixed rate term notes contain a provision that allows for the noteholders to call the debt upon a change of control of the Company at an amount that includes a make whole premium based on rates in effect on the date of the change of control.

Deferred debt issuance costs and the discount on the outstanding term notes are both presented as reductions of term notes in the accompanying consolidated balance sheets at March 31, 2021 and December 31, 2020. Amortization expense related to deferred debt issuance costs was $0.6 million for each of the three months ended March 31, 2021 and 2020, and is included in interest expense in the consolidated statements of operations.

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Mortgages Payable and Debt Maturities

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Mortgages Payable and Debt Maturities

7. MORTGAGES PAYABLE AND DEBT MATURITIES

Mortgages payable at March 31, 2021 and December 31, 2020 consist of the following:

(dollars in thousands)	March 31, 2021		December 31, 2020
4.065% mortgage note due April 1, 2023, secured by one self-    storage facility with an aggregate net book value of $7.1    million, principal and interest paid monthly    (effective interest rate 4.40%)	$	3,807	$	3,832
5.26% mortgage note due November 1, 2023, secured by one    self-storage facility with an aggregate net book value of $7.8    million, principal and interest paid monthly    (effective interest rate 5.69%)		3,710		3,728
4.4625% mortgage notes due December 6, 2024, secured by    three self-storage facilities with an aggregate net book value    of $54.8 million, principal and interest paid monthly    (effective interest rate 3.12%)		22,620		22,684
4.44% mortgage note due July 6, 2025, secured by one    self-storage facility with an aggregate net book value of $13.6    million, principal and interest paid monthly    (effective interest rate 4.60%)		6,316		6,343
5.99% mortgage note due May 1, 2026, secured by one self-    storage facility with an aggregate net book value of $6.4    million, principal and interest paid monthly    (effective interest rate 6.45%)		1,143		1,190
Total mortgages payable	$	37,596	$	37,777

The table below summarizes the Company’s debt obligations at March 31, 2021. The estimated fair value of financial instruments is subjective in nature and is dependent on a number of important assumptions, including discount rates and relevant comparable market information associated with each financial instrument. The fair value of the fixed rate term notes and mortgage notes were estimated by discounting the future cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings and for the same remaining maturities. These assumptions are considered Level 2 inputs within the fair value hierarchy as described in Note 9. The carrying values of our variable rate debt instruments approximate their fair values as such debt instruments bear interest at current market rates that approximate market participant rates. This is considered a Level 2 input within the fair value hierarchy. The use of different market assumptions and estimation methodologies may have a material effect on the reported estimated fair value amounts. Accordingly, the estimates presented below are not necessarily indicative of the amounts the Company would realize in a current market exchange.

			Expected Maturity Date Including Discount
(dollars in thousands)	2021		2022		2023		2024		2025		Thereafter		Total		Fair Value
Line of credit - variable rate    LIBOR + 0.95% (1.06% at   March 31, 2021)	$	—	$	—	$	43,000	$	—	$	—	$	—	$	43,000	$	43,000
Notes Payable:
Term note - fixed rate 4.533%		—		—		—		175,000		—		—		175,000		195,252
Term note - fixed rate 3.50%		—		—		—		—		—		600,000		600,000		657,471
Term note - fixed rate 3.875%		—		—		—		—		—		450,000		450,000		494,057
Term note - fixed rate 3.67%		—		—		—		—		—		200,000		200,000		215,203
Term note - fixed rate 4.00%		—		—		—		—		—		350,000		350,000		394,261
Term note - fixed rate 2.20%		—		—		—		—		—		400,000		400,000		376,052
Mortgage note - fixed rate 4.065%		79		108		3,620		—		—		—		3,807		3,936
Mortgage note - fixed rate 5.26%		60		83		3,567		—		—		—		3,710		3,983
Mortgage notes - fixed rate 4.4625%		—		—		—		22,620		—		—		22,620		23,317
Mortgage note - fixed rate 4.44%		92		125		130		136		5,833		—		6,316		6,765
Mortgage note - fixed rate 5.99%		145		203		216		229		244		106		1,143		1,244
Total	$	376	$	519	$	50,533	$	197,985	$	6,077	$	2,000,106	$	2,255,596

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Derivative Financial Instruments

3 Months Ended

Mar. 31, 2021

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

8. DERIVATIVE FINANCIAL INSTRUMENTS

In 2015 and 2016, the Company entered into forward starting interest rate swap agreements to hedge the risk of changes in the interest-related cash flows associated with the potential issuance of fixed rate long-term debt. These interest rate swaps qualify and have been designated as hedges of the amount of future cash flows related to interest payments on this fixed rate long-term debt. In conjunction with the issuance of the 2026 Senior Notes (see Note 6), the Company terminated these hedges and settled the forward starting swap agreements for approximately $9.2 million. The $9.2 million has been deferred in Accumulated Other Comprehensive Loss (“AOCL”) and is being amortized as additional interest expense over the ten-year term of the 2026 Senior Notes or until such time as interest payments on the 2026 Senior Notes are no longer probable. Such amortization is included in amortization of debt issuance costs and bond discount in the consolidated statements of cash flows.

The changes in AOCL for the three months ended March 31, 2021 and 2020 are summarized as follows:

(dollars in thousands)	Three Months Ended March 31, 2021			Three Months Ended March 31, 2020
Accumulated other comprehensive loss beginning    of period	$	(5,041	)	$	(5,958	)
Realized loss reclassified from accumulated other    comprehensive loss to interest expense		229			229
Accumulated other comprehensive loss end of period	$	(4,812	)	$	(5,729	)

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Fair Value Measurements

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements

9. FAIR VALUE MEASUREMENTS

The Company applies the provisions of ASC Topic 820 “Fair Value Measurements and Disclosures” in determining the fair value of its financial and nonfinancial assets and liabilities. ASC Topic 820 establishes a valuation hierarchy for disclosure of the inputs to valuation used to measure fair value. This hierarchy prioritizes the inputs into three broad levels as follows. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration. Level 3 inputs are unobservable inputs based on our own assumptions used to measure assets and liabilities at fair value. A financial asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

Refer to Note 7 for presentation of the fair values of debt obligations which are disclosed at fair value on a recurring basis.

There are no assets or liabilities carried at fair value measured on a recurring basis on the consolidated balance sheets as of March 31, 2021 and December 31, 2020.

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Investment in Joint Ventures

3 Months Ended

Mar. 31, 2021

Equity Method Investments And Joint Ventures [Abstract]

Investment in Joint Ventures

10. INVESTMENT IN JOINT VENTURES

A summary of the Company’s unconsolidated joint ventures is as follows:

Venture	Number of Properties at March 31, 2021		Company common ownership interest at March 31, 2021	Carrying value of investment at March 31, 2021		Carrying value of investment at December 31, 2020
Sovran HHF Storage Holdings LLC (“Sovran HHF”)1	36		20%	$60.0 million		$60.5 million
Sovran HHF Storage Holdings II LLC (“Sovran HHF II”)2	22		15%	$27.0 million		$27.3 million
Life Storage-SERS Storage LLC (“SERS”)	3		20%	$3.0   million		$3.0   million
Life Storage-HIERS Storage LLC (“HIERS”)	17		20%	$14.2 million		$14.3 million
Iskalo Office Holdings, LLC (“Iskalo”)3	N/A		49%	($2.5   million)		($2.5   million)
Life Storage Spacemax, LLC ("Spacemax")	6		40%	$16.5 million		$16.7 million
Life Storage Virtus, LLC ("Virtus")4	1		20%	$1.4   million		$1.5   million
SNL Orix Merrick, LLC ("Merrick")5		—	5%		—	$2.5   million
Joint ventures with properties in development stage6	7		Various	$11.5 million		$10.4 million
Other unconsolidated joint ventures (6 joint ventures)	6		Various	$6.8   million		$6.8   million

^{1 In September 2020, the Company acquired 17 self-storage facilities and related assets from Sovran HHF for total consideration of $175.2 million, which is net of the Company’s share of Sovran HHF’s gain resulting from the transaction. In connection with this transaction, non-recourse loans with principal balances totaling $34.0 million were settled. Also in September 2020, Sovran HHF sold four self-storage facilities to an unrelated third-party for total consideration of $42.3 million, resulting in a gain on sale of $2.1 million. As of March 31, 2021, the carrying value of the Company’s investment in Sovran HHF exceeds its share of the underlying equity in net assets of Sovran HHF by approximately $1.7 million as a result of the capitalization of certain acquisition related costs in 2008. This difference is included in the carrying value of the investment.}

^{2 In September 2020, the Company acquired eight self-storage facilities and related assets from Sovran HHF II for total consideration of $120.2 million, which is net of the Company’s share of Sovran HHF II’s gain resulting from the transaction. In connection with this transaction, $35.8 million of cash had been placed into escrow until non-recourse loans related to these properties were able to be paid which occurred in April 2021 (see Note 17). Also in connection with this transaction, the Company made a $12.7 million contribution to Sovran HHF II.}

^{3 Iskalo owns the building that houses the Company’s headquarters. The Company paid rent to Iskalo of $0.4 million and $0.3 million during the three months ended March 31, 2021 and 2020, respectively.}

^{4 In February 2020, the Company executed a joint venture agreement, Life Storage Virtus, LLC, with an unrelated third-party with the purpose of acquiring and operating a self-storage facility. During the first quarter of 2020, Virtus acquired a self-storage facility for a total of $21.7 million. In connection with this acquisition, Virtus entered into $14.0 million of non-recourse mortgage debt. During 2020, the Company contributed $1.7 million to Virtus as the Company’s share of the initial capital investment in the joint venture.}

^{5 In March 2021, the Company acquired a self-storage facility and related assets from Merrick for total consideration of $47.9 million which is net of the Company’s share of Merrick’s gain resulting from the transaction. In connection with this transaction, all non-recourse loans held by Merrick were settled.}

^{6 The Company has entered into seven separate joint ventures, two of which are developing self-storage facilities in Ontario, Canada, four of which are developing self-storage facilities in the New York City market, and one of which is developing a self-storage facility in the Tucson, AZ market. The Company has contributed an aggregate total of $11.5 million as its share of capital to these joint ventures.}

Based on the facts and circumstances of each of the Company’s joint ventures, the Company has determined that none of the joint ventures at March 31, 2021 are a variable interest entity (“VIE”) in accordance with ASC 810, “Consolidation.” The Company used the voting model under ASC 810 to determine whether or not to consolidate the joint ventures. Based upon each member’s substantive participation rights over the activities as stipulated in the joint venture agreements, none of the joint ventures evaluated under the voting model are consolidated by the Company. Due to the Company’s significant influence over the operations of each of the joint ventures, all above joint ventures are accounted for under the equity method of accounting.

The carrying values of the Company’s investments in joint ventures are assessed for other-than-temporary impairment on a periodic basis and no such impairments have been recorded on any of the Company’s investments in joint ventures.

As property manager of the self-storage facilities owned by each of the operational joint ventures, the Company earns management and/or call center fees based on a percentage of joint venture gross revenues. These fees earned from joint ventures, which are included in other operating income in the consolidated statements of operations, totaled $1.8 million and $2.7 million for the three months ended March 31, 2021 and 2020, respectively.

The Company’s share of the unconsolidated joint ventures’ income (loss) is as follows:

(dollars in thousands) Venture	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Sovran HHF	$	654	$	922
Sovran HHF II		332		455
Other unconsolidated joint ventures		235		(261	)
	$	1,221	$	1,116

A summary of the combined unconsolidated joint ventures’ financial statements as of and for the three months ended March 31, 2021 is as follows:

(dollars in thousands)
Balance Sheet Data:
Investment in storage facilities, net	$	1,076,066
Investment in office building, net		4,185
Other assets		58,947
Total Assets	$	1,139,198
Due to the Company	$	520
Mortgages payable		529,504
Other liabilities		17,660
Total Liabilities		547,684
Unaffiliated partners’ equity		453,561
Company equity		137,953
Total Partners’ Equity		591,514
Total Liabilities and Partners’ Equity	$	1,139,198
Income Statement Data:
Total revenues	$	27,231
Property operating expenses		(9,529	)
Administrative, management and call center fees		(2,051	)
Gain on disposal of self-storage facilities		29,685
Depreciation and amortization of customer list		(6,017	)
Amortization of financing fees		(145	)
Income tax expense		(58	)
Interest expense		(5,229	)
Net income	$	33,887

The Company does not guarantee the debt of any of its equity method investees.

We do not expect to have material future cash outlays relating to these joint ventures outside our share of capital required for future acquisitions of properties, our share of capital required for the development of properties under construction, and our share of the payoff of secured debt held by these joint ventures.

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Income Taxes

3 Months Ended

Mar. 31, 2021

Income Tax Disclosure [Abstract]

Income Taxes

11. INCOME TAXES

The Company qualifies as a REIT under the Internal Revenue Code of 1986, as amended, and will generally not be subject to corporate income taxes to the extent it distributes its taxable income to its shareholders and complies with certain other requirements.

The Company has elected to treat certain of its subsidiaries as taxable REIT subsidiaries. In general, the Company’s taxable REIT subsidiaries may perform additional services for tenants and generally may engage in certain real estate or non-real estate related business. A taxable REIT subsidiary is subject to corporate federal and state income taxes. Deferred tax assets and liabilities are determined based on differences between financial reporting and tax bases of assets and liabilities.

The Company recorded federal and state income tax expense of $0.6 million and $0.8 million for the three months ended March 31, 2021 and 2020, respectively. These amounts are included in general and administrative expenses in the consolidated statements of operations. At March 31, 2021 and 2020, there were no material unrecognized tax benefits and at March 31, 2021 and 2020 and the Company had no interest or penalties relating to uncertain tax positions during the periods then ended. Interest and penalties relating to uncertain tax positions will be recognized in income tax expense when incurred. Income taxes payable by the Company and the net deferred tax liabilities of our taxable REIT subsidiaries are classified within accounts payable and accrued liabilities in the consolidated balance sheets, while prepaid income taxes are classified within prepaid expenses. As of March 31, 2021, the Company’s taxable REIT subsidiaries have deferred tax assets totaling $0.3 million and a deferred tax liability of $1.7 million. As of December 31, 2020, the Company’s taxable REIT subsidiaries had deferred tax assets of $0.4 million and a deferred tax liability of $1.7 million. The tax years 2017-2020 remain open to examination by the major taxing jurisdictions to which the Company is subject.

The Tax Cuts and Jobs Act (the “TCJA”) was enacted on December 20, 2017. The TCJA significantly changed the U.S. federal income tax laws applicable to businesses and their owners, including REITs and their shareholders. Under the TCJA, the corporate income tax rate is reduced from a maximum rate of 35% to a flat 21% rate. The reduced corporate income tax rate, which is effective for taxable years beginning after December 31, 2017, applies to income earned by our taxable REIT subsidiaries.

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Earnings Per Share and Earnings Per Unit

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Earnings Per Share and Earnings Per Unit

12. EARNINGS PER SHARE AND EARNINGS PER UNIT

The Company reports earnings per share and earnings per unit data in accordance ASC Topic 260, “Earnings Per Share.” Under ASC Topic 260-10, unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents, whether paid or unpaid, are participating securities and shall be included in the computation of earnings-per-share pursuant to the two-class method. The Parent Company and the Operating Partnership have calculated their basic and diluted earnings per share/unit using the two-class method.

Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per common share utilizing the two-class method.

(in thousands except per share data)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Numerator:
Net income attributable to common shareholders	$	47,383	$	36,433
Denominator:
Denominator for basic earnings per share – weighted    average shares		75,387		70,016
Effect of Dilutive Securities:
Stock options and non-vested stock		123		110
Denominator for diluted earnings per share – adjusted    weighted average shares and assumed conversion		75,510		70,126
Basic earnings per common share attributable to    common shareholders	$	0.63	$	0.52
Diluted earnings per common share attributable to    common shareholders	$	0.63	$	0.52

Earnings Per Unit

The following table sets forth the computation of basic and diluted earnings per common unit utilizing the two-class method.

(in thousands except per unit data)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Numerator:
Net income attributable to common unitholders	$	47,383	$	36,433
Denominator:
Denominator for basic earnings per unit – weighted    average units		75,387		70,016
Effect of Dilutive Securities:
Stock options and non-vested stock		123		110
Denominator for diluted earnings per unit – adjusted    weighted average units and assumed conversion		75,510		70,126
Basic earnings per common unit attributable to    common unitholders	$	0.63	$	0.52
Diluted earnings per common unit attributable to    common unitholders	$	0.63	$	0.52

Not included in the effect of dilutive securities above for both earnings per share and earnings per unit are 149,227 unvested restricted shares for the three months ended March 31, 2021, and 148,047 unvested restricted shares for the three months ended March 31, 2020, because their effect would be antidilutive.

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Shareholders' Equity

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Shareholders' Equity

13. SHAREHOLDERS’ EQUITY

The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the three months ended March 31, 2021:

(dollars in thousands)	Common Stock		Additional Paid-in Capital			Dividends in Excess of Net Income			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance December 31, 2020	$	495	$	2,671,311		$	(288,667	)	$	(5,041	)	$	2,378,098
Net proceeds from issuance of common stock		18		180,511			—			—			180,529
Earned portion of non-vested stock		—		1,453			—			—			1,453
Stock dividend		252		(252	)		—			—			—
Carrying value less than redemption value on redeemed    noncontrolling interest		—		(4	)		—			—			(4	)
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,358	)		—			(2,358	)
Net income attributable to common shareholders		—		—			47,383			—			47,383
Amortization of terminated hedge included in    AOCL		—		—			—			229			229
Dividends		—		—			(55,840	)		—			(55,840	)
Balance March 31, 2021	$	765	$	2,853,019		$	(299,482	)	$	(4,812	)	$	2,549,490

The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the three months ended March 31, 2020:

(dollars in thousands)	Common Stock		Additional Paid-in Capital		Dividends in Excess of Net Income			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance December 31, 2019	$	467	$	2,376,723	$	(238,338	)	$	(5,958	)	$	2,132,894
Net proceeds from issuance of common stock		2		21,464		—			—			21,466
Earned portion of non-vested stock		—		1,124		—			—			1,124
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		5,542			—			5,542
Net income attributable to common shareholders		—		—		36,433			—			36,433
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(49,969	)		—			(49,969	)
Balance March 31, 2020	$	469	$	2,399,311	$	(246,332	)	$	(5,729	)	$	2,147,719

On June 14, 2018, the Company entered into a continuous equity offering program (“2018 Equity Program”) with multiple sales agents, pursuant to which the Company was permitted to sell up to $300 million in aggregate offering price of shares of the Company’s common stock. This continuous equity offering program was replaced on December 29, 2020, when the Company entered into a new continuous equity offering program (“2020 Equity Program”) with multiple sales agents, pursuant to which the Company may sell up to $500 million in aggregate offering price of shares of the Company’s common stock. Actual sales under this continuous equity offering program will depend on a variety of factors and conditions, including, but not limited to, market conditions, the trading price of the Company’s common stock, and determinations of the appropriate sources of funding for the Company. The Company expects to offer, sell and issue shares of common stock under this equity program from time to time based on various factors and conditions, although the Company is under no obligation to sell any shares under this equity program.

During the three-month period ended March 31, 2021, the Company issued 2,220,559 shares of common stock under the 2020 Equity Program at a weighted average issue price of $82.23 per share, generating net proceeds of $180.5 million after deducting $1.8 million of sales commissions paid to the sales agents, as well as other expenses of $0.3 million. The Company used such proceeds primarily to fund a portion of the acquisition of the 16 storage facilities during the three months ended March 31, 2021.

During the three months ended March 31, 2020, the Company issued 285,605 shares of common stock under the 2018 Equity Program at a weighted average issue price of $76.17 per share, generating net proceeds of $21.5 million after deducting $0.2 million of sales commissions paid to the sales agents, as well as other expenses of $0.1 million. The Company used such proceeds to fund a portion of the acquisition of the six storage facilities during the three months ended March 31, 2020.

On August 2, 2017, the Company’s Board of Directors authorized the repurchase of up to $200 million of the Company’s outstanding common shares (“Buyback Program”). The Buyback Program allows the Company to purchase shares of its common stock in accordance with applicable securities laws on the open market, through privately negotiated transactions, or through other methods of acquiring shares. The Buyback Program may be suspended or discontinued at any time. The Company did not repurchase any outstanding common shares under the Buyback Program during the three months ended March 31, 2021 or during the three months ended March 31, 2020.

In 2013, the Company implemented a Dividend Reinvestment Plan which was suspended by the Company’s Board of Directors in 2017. As a result, the Company did not issue any shares under the Dividend Reinvestment Plan during the three months ended March 31, 2021 and 2020.  

On January 4, 2021, the Company announced a three-for-two stock split of the Company’s common stock, to be made in the form of a 50% stock dividend. Shareholders of record at the close of business on January 15, 2021 received on additional share of Company stock for every two shares owned. These additional shares were distributed on January 27, 2021, with cash distributed in lieu of fractional shares based on the closing price on the record date.

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Partners' Capital

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Partners' Capital

14. PARTNERS’ CAPITAL

The following is a reconciliation of the changes in total partners’ capital for the three months ended March 31, 2021:

(dollars in thousands)	Life Storage Holdings, Inc. General Partner			Life Storage, Inc. Limited Partner			Accumulated Other Comprehensive Income (Loss)			Total Controlling Partners’ Capital
Balance December 31, 2020	$	24,045		$	2,359,094		$	(5,041	)	$	2,378,098
Net proceeds from issuance of Operating Partnership Units		1,807			178,722			—			180,529
Earned portion of non-vested stock		14			1,439			—			1,453
Carrying value less than redemption value on redeemed    noncontrolling interest		(1	)		(3	)		—			(4	)
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,358	)		—			(2,358	)
Net income attributable to common unitholders		476			46,907			—			47,383
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(561	)		(55,279	)		—			(55,840	)
Balance March 31, 2021	$	25,782		$	2,528,520		$	(4,812	)	$	2,549,490

The following is a reconciliation of the changes in total partners’ capital for the three months ended March 31, 2020:

(dollars in thousands)	Life Storage Holdings, Inc. General Partner			Life Storage, Inc. Limited Partner			Accumulated Other Comprehensive Income (Loss)			Total Controlling Partners’ Capital
Balance December 31, 2019	$	21,594		$	2,117,258		$	(5,958	)	$	2,132,894
Net proceeds from issuance of Operating Partnership Units		212			21,254			—			21,466
Earned portion of non-vested stock		11			1,113			—			1,124
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			5,542			—			5,542
Net income attributable to common unitholders		366			36,067			—			36,433
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(502	)		(49,467	)		—			(49,969	)
Balance March 31, 2020	$	21,683		$	2,131,765		$	(5,729	)	$	2,147,719

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Recent Accounting Pronouncements

3 Months Ended

Mar. 31, 2021

Accounting Changes And Error Corrections [Abstract]

Recent Accounting Pronouncements

15. RECENT ACCOUNTING PRONOUNCEMENTS

In August 2020, the FASB issued ASU 2020-06, “Debt – Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging – Contracts in Entity’s Own Equity (Subtopic 815-40: Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity,” which reduced the number of accounting models for convertible debt instruments and convertible preferred stock, thus simplifying the accounting for convertible instruments. ASU 2020-06 is effective for annual periods beginning after December 31, 2021, and interim periods within those annual periods, and is therefore effective for the Company as of January 1, 2022. Management is evaluating the impact that the adoption of ASU 2020-06 will have on the Company, including, but not limited to, the accounting for the Company’s noncontrolling redeemable Operating Partnership Units.

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Commitment and Contingencies

3 Months Ended

Mar. 31, 2021

Commitments And Contingencies Disclosure [Abstract]

Commitment and Contingencies

16. COMMITMENT AND CONTINGENCIES

The Company’s lease population is comprised of leases for land and/or buildings in which certain of the Company’s self-storage facilities operate, as well as leases of corporate office space. All leases where the Company is the lessee qualify as operating leases and the Company does not have any financing leases as of March 31, 2021. At March 31, 2021 and December 31, 2020, the Company’s aggregate right-of-use assets total $19.9 million and $20.3 million, respectively, and are included in other assets on the consolidated balance sheet. The related lease liabilities at March 31, 2021 and December 31, 2020 total $19.7 million and $19.9 million, respectively, and are included in accounts payable and accrued liabilities on the consolidated balance sheet.  

Expenses related to operating leases totaled $0.6 million and $0.5 million for the three months ended March 31, 2021 and 2020, respectively. At March 31, 2021, the weighted average remaining lease term and weighted average discount rate for the Company’s operating leases were 11.2 years and 4.67%, respectively.

At March 31, 2021, the Company has approximately $25.7 million of operating lease commitments, excluding variable consideration. The undiscounted future minimum lease payments are summarized by year in the table below:

(in thousands)
2021	$	1,939
2022		2,388
2023		2,388
2024		2,374
2025		2,402
Thereafter		14,181
Total	$	25,672

The difference between the amounts included in the table above and the aggregate lease liability recorded in the accompanying consolidated balance sheet at March 31, 2021 is the result of the impact of the discount rate on future minimum lease payments.

At March 31, 2021, the Company was under contract to acquire six self-storage facilities for an aggregate purchase price of $106.5 million. The Company acquired one of these facilities subsequent to March 31, 2021 for $16.5 million. The purchase of the remaining facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

At March 31, 2021, the Company has signed contracts in place with third-party contractors for expansion and enhancements at its existing facilities. The Company expects to pay $33.8 million under these contracts in 2021 and 2022.

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Subsequent Events

3 Months Ended

Mar. 31, 2021

Subsequent Events [Abstract]

Subsequent Events

17. SUBSEQUENT EVENTS

On April 1, 2021, the Company declared a quarterly dividend of $0.74 per common share. The dividend was paid on April 26, 2021 to shareholders of record on April 14, 2021. The total dividend paid amounted to $56.9 million.     

On April 1, 2021, Sovran HHF II paid off $69.1 million in existing nonrecourse mortgage debt and entered into $110 million of new nonrecourse mortgage debt which matures in 2029. As a result of the net proceeds from these transactions, the Company received a distribution of $31.6 million from Sovran HHF II on April 1, 2021.

During April 2021, the Company issued 377,621 shares of common stock under the Company’s continuous equity offering program at a weighted average issuance price of $88.17 per share, generating net proceeds of $33.0 million.

On May 3, 2021, the Company acquired one self-storage facility for an aggregate purchase price of $16.5 million.

Subsequent to March 31, 2021, the Company entered into contracts to acquire 11 self-storage facilities for an aggregate purchase price of $159.2 million. The purchases of these facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

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Recent Accounting Pronouncements (Policies)

3 Months Ended

Mar. 31, 2021

Accounting Changes And Error Corrections [Abstract]

Recent Accounting Pronouncements

In August 2020, the FASB issued ASU 2020-06, “Debt – Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging – Contracts in Entity’s Own Equity (Subtopic 815-40: Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity,” which reduced the number of accounting models for convertible debt instruments and convertible preferred stock, thus simplifying the accounting for convertible instruments. ASU 2020-06 is effective for annual periods beginning after December 31, 2021, and interim periods within those annual periods, and is therefore effective for the Company as of January 1, 2022. Management is evaluating the impact that the adoption of ASU 2020-06 will have on the Company, including, but not limited to, the accounting for the Company’s noncontrolling redeemable Operating Partnership Units.

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Organization (Tables)

3 Months Ended

Mar. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Reconciliation of Noncontrolling Interests

The following is a reconciliation of the Parent Company’s noncontrolling redeemable Operating Partnership Units and the Operating Partnership’s limited partners’ redeemable capital interest for the period:

(dollars in thousands)	Three Months Ended March 31, 2021
Beginning balance	$	26,446
Net income attributable to noncontrolling interest in the    Operating Partnership		209
Redemption of units		(59	)
Distributions		(247	)
Adjustment to redemption value		2,358
Ending balance	$	28,707

Summary of Disaggregated Revenues

The disaggregated revenues of the Company presented in accordance with ASC Topic 606 “Revenue from Contracts with Customers” are as follows:

(dollars in thousands)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Rental income	$	150,283	$	128,907
Management and acquisition fee income		4,590		4,413
Revenues related to tenant reinsurance		12,619		10,138
Other		4,395		3,485
Total operating revenues	$	171,887	$	146,943

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Cash and Restricted Cash (Tables)

3 Months Ended

Mar. 31, 2021

Cash And Cash Equivalents [Abstract]

Summary of Reconciliation of Cash and Restricted Cash

The following table provides a reconciliation of cash and restricted cash reported within the consolidated statement of cash flows:

(Dollars in thousands)	March 31, 2021		December 31, 2020		March 31, 2020
Cash	$	13,914	$	54,400	$	20,720
Restricted cash		4,510		4,371		4,345
Total cash and restricted cash	$	18,424	$	58,771	$	25,065

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Investment in Storage Facilities and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Real Estate [Abstract]

Summary of Activity in Storage Facilities

The following summarizes our activity in storage facilities during the three months ended March 31, 2021:

(dollars in thousands)
Cost:
Beginning balance	$	5,330,323
Acquisition of storage facilities		263,299
Improvements and equipment additions		4,289
Net increase in construction in progress		6,024
Dispositions		(99	)
Ending balance	$	5,603,836
Accumulated Depreciation:
Beginning balance	$	873,178
Additions during the period		31,293
Dispositions		(51	)
Ending balance	$	904,420

Schedule of Purchase Price of Facilities Acquired

The purchase prices of the facilities acquired in 2021 have been assigned as follows:

(dollars in thousands)						Consideration paid				Acquisition Date Fair Value
States	Number of Properties		Date of Acquisition	Purchase Price		Cash Paid		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		In-Place Customer Leases
SC		1	1/4/2021	$	8,070	$	8,042	$	28	$	812	$	7,153	$	105
CA		1	1/21/2021		18,287	$	18,251		36		1,322		16,830		135
NY		1	3/4/2021		47,947	$	47,933		14		10,591		37,020		336
FL		8	3/11/2021		85,156	$	84,586		570		13,381		70,538		1,237
AZ		3	3/24/2021		67,089	$	66,890		199		7,129		59,320		632
WA		2	3/25/2021		39,666	$	39,495		171		6,166		33,037		443
Total acquired in 2021		16		$	266,215	$	265,197	$	1,018	$	39,401	$	223,898	$	2,888

Schedule of In-place Customer Leases

In-place customer leases are included in other assets on the Company’s consolidated balance sheets as follows:

(Dollars in thousands)	March 31, 2021			December 31, 2020
In-place customer leases	$	89,751		$	86,863
Accumulated amortization		(83,525	)		(81,455	)
Net carrying value at the end of period	$	6,226		$	5,408

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Unsecured Line of Credit and Term Notes (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Borrowings Outstanding on Unsecured Line of Credit and Term Notes

Borrowings outstanding on our unsecured line of credit and term notes are as follows:

(Dollars in thousands)	March 31, 2021			December 31, 2020
Revolving line of credit borrowings	$	43,000		$	—
Term note due April 8, 2024		175,000			175,000
Senior term note due July 1, 2026		600,000			600,000
Senior term note due December 15, 2027		450,000			450,000
Term note due July 21, 2028		200,000			200,000
Senior term note due June 15, 2029		350,000			350,000
Senior term note due October 15, 2030		400,000			400,000
Total term note principal balance outstanding		2,175,000			2,175,000
Less: unamortized debt issuance costs		(12,380	)		(12,833	)
Less: unamortized senior term note discount		(6,480	)		(6,710	)
Term notes payable	$	2,156,140		$	2,155,457

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Mortgages Payable and Debt Maturities (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Summary of Mortgage Payable

Mortgages payable at March 31, 2021 and December 31, 2020 consist of the following:

(dollars in thousands)	March 31, 2021		December 31, 2020
4.065% mortgage note due April 1, 2023, secured by one self-    storage facility with an aggregate net book value of $7.1    million, principal and interest paid monthly    (effective interest rate 4.40%)	$	3,807	$	3,832
5.26% mortgage note due November 1, 2023, secured by one    self-storage facility with an aggregate net book value of $7.8    million, principal and interest paid monthly    (effective interest rate 5.69%)		3,710		3,728
4.4625% mortgage notes due December 6, 2024, secured by    three self-storage facilities with an aggregate net book value    of $54.8 million, principal and interest paid monthly    (effective interest rate 3.12%)		22,620		22,684
4.44% mortgage note due July 6, 2025, secured by one    self-storage facility with an aggregate net book value of $13.6    million, principal and interest paid monthly    (effective interest rate 4.60%)		6,316		6,343
5.99% mortgage note due May 1, 2026, secured by one self-    storage facility with an aggregate net book value of $6.4    million, principal and interest paid monthly    (effective interest rate 6.45%)		1,143		1,190
Total mortgages payable	$	37,596	$	37,777

Summary of Debt Obligations and Interest Rate Derivatives

Accordingly, the estimates presented below are not necessarily indicative of the amounts the Company would realize in a current market exchange.

			Expected Maturity Date Including Discount
(dollars in thousands)	2021		2022		2023		2024		2025		Thereafter		Total		Fair Value
Line of credit - variable rate    LIBOR + 0.95% (1.06% at   March 31, 2021)	$	—	$	—	$	43,000	$	—	$	—	$	—	$	43,000	$	43,000
Notes Payable:
Term note - fixed rate 4.533%		—		—		—		175,000		—		—		175,000		195,252
Term note - fixed rate 3.50%		—		—		—		—		—		600,000		600,000		657,471
Term note - fixed rate 3.875%		—		—		—		—		—		450,000		450,000		494,057
Term note - fixed rate 3.67%		—		—		—		—		—		200,000		200,000		215,203
Term note - fixed rate 4.00%		—		—		—		—		—		350,000		350,000		394,261
Term note - fixed rate 2.20%		—		—		—		—		—		400,000		400,000		376,052
Mortgage note - fixed rate 4.065%		79		108		3,620		—		—		—		3,807		3,936
Mortgage note - fixed rate 5.26%		60		83		3,567		—		—		—		3,710		3,983
Mortgage notes - fixed rate 4.4625%		—		—		—		22,620		—		—		22,620		23,317
Mortgage note - fixed rate 4.44%		92		125		130		136		5,833		—		6,316		6,765
Mortgage note - fixed rate 5.99%		145		203		216		229		244		106		1,143		1,244
Total	$	376	$	519	$	50,533	$	197,985	$	6,077	$	2,000,106	$	2,255,596

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Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2021

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Changes in AOCL

The changes in AOCL for the three months ended March 31, 2021 and 2020 are summarized as follows:

(dollars in thousands)	Three Months Ended March 31, 2021			Three Months Ended March 31, 2020
Accumulated other comprehensive loss beginning    of period	$	(5,041	)	$	(5,958	)
Realized loss reclassified from accumulated other    comprehensive loss to interest expense		229			229
Accumulated other comprehensive loss end of period	$	(4,812	)	$	(5,729	)

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Investment in Joint Ventures (Tables)

3 Months Ended

Mar. 31, 2021

Equity Method Investments And Joint Ventures [Abstract]

Summary of Company's Unconsolidated Joint Ventures

A summary of the Company’s unconsolidated joint ventures is as follows:

Venture	Number of Properties at March 31, 2021		Company common ownership interest at March 31, 2021	Carrying value of investment at March 31, 2021		Carrying value of investment at December 31, 2020
Sovran HHF Storage Holdings LLC (“Sovran HHF”)1	36		20%	$60.0 million		$60.5 million
Sovran HHF Storage Holdings II LLC (“Sovran HHF II”)2	22		15%	$27.0 million		$27.3 million
Life Storage-SERS Storage LLC (“SERS”)	3		20%	$3.0   million		$3.0   million
Life Storage-HIERS Storage LLC (“HIERS”)	17		20%	$14.2 million		$14.3 million
Iskalo Office Holdings, LLC (“Iskalo”)3	N/A		49%	($2.5   million)		($2.5   million)
Life Storage Spacemax, LLC ("Spacemax")	6		40%	$16.5 million		$16.7 million
Life Storage Virtus, LLC ("Virtus")4	1		20%	$1.4   million		$1.5   million
SNL Orix Merrick, LLC ("Merrick")5		—	5%		—	$2.5   million
Joint ventures with properties in development stage6	7		Various	$11.5 million		$10.4 million
Other unconsolidated joint ventures (6 joint ventures)	6		Various	$6.8   million		$6.8   million

^{1 In September 2020, the Company acquired 17 self-storage facilities and related assets from Sovran HHF for total consideration of $175.2 million, which is net of the Company’s share of Sovran HHF’s gain resulting from the transaction. In connection with this transaction, non-recourse loans with principal balances totaling $34.0 million were settled. Also in September 2020, Sovran HHF sold four self-storage facilities to an unrelated third-party for total consideration of $42.3 million, resulting in a gain on sale of $2.1 million. As of March 31, 2021, the carrying value of the Company’s investment in Sovran HHF exceeds its share of the underlying equity in net assets of Sovran HHF by approximately $1.7 million as a result of the capitalization of certain acquisition related costs in 2008. This difference is included in the carrying value of the investment.}

^{2 In September 2020, the Company acquired eight self-storage facilities and related assets from Sovran HHF II for total consideration of $120.2 million, which is net of the Company’s share of Sovran HHF II’s gain resulting from the transaction. In connection with this transaction, $35.8 million of cash had been placed into escrow until non-recourse loans related to these properties were able to be paid which occurred in April 2021 (see Note 17). Also in connection with this transaction, the Company made a $12.7 million contribution to Sovran HHF II.}

^{3 Iskalo owns the building that houses the Company’s headquarters. The Company paid rent to Iskalo of $0.4 million and $0.3 million during the three months ended March 31, 2021 and 2020, respectively.}

^{4 In February 2020, the Company executed a joint venture agreement, Life Storage Virtus, LLC, with an unrelated third-party with the purpose of acquiring and operating a self-storage facility. During the first quarter of 2020, Virtus acquired a self-storage facility for a total of $21.7 million. In connection with this acquisition, Virtus entered into $14.0 million of non-recourse mortgage debt. During 2020, the Company contributed $1.7 million to Virtus as the Company’s share of the initial capital investment in the joint venture.}

^{5 In March 2021, the Company acquired a self-storage facility and related assets from Merrick for total consideration of $47.9 million which is net of the Company’s share of Merrick’s gain resulting from the transaction. In connection with this transaction, all non-recourse loans held by Merrick were settled.}

^{6 The Company has entered into seven separate joint ventures, two of which are developing self-storage facilities in Ontario, Canada, four of which are developing self-storage facilities in the New York City market, and one of which is developing a self-storage facility in the Tucson, AZ market. The Company has contributed an aggregate total of $11.5 million as its share of capital to these joint ventures.}

Company's Share of Unconsolidated Joint Ventures' Income (Loss)

The Company’s share of the unconsolidated joint ventures’ income (loss) is as follows:

(dollars in thousands) Venture	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Sovran HHF	$	654	$	922
Sovran HHF II		332		455
Other unconsolidated joint ventures		235		(261	)
	$	1,221	$	1,116

Summary of Unconsolidated Joint Ventures' Financial Statements

A summary of the combined unconsolidated joint ventures’ financial statements as of and for the three months ended March 31, 2021 is as follows:

(dollars in thousands)
Balance Sheet Data:
Investment in storage facilities, net	$	1,076,066
Investment in office building, net		4,185
Other assets		58,947
Total Assets	$	1,139,198
Due to the Company	$	520
Mortgages payable		529,504
Other liabilities		17,660
Total Liabilities		547,684
Unaffiliated partners’ equity		453,561
Company equity		137,953
Total Partners’ Equity		591,514
Total Liabilities and Partners’ Equity	$	1,139,198
Income Statement Data:
Total revenues	$	27,231
Property operating expenses		(9,529	)
Administrative, management and call center fees		(2,051	)
Gain on disposal of self-storage facilities		29,685
Depreciation and amortization of customer list		(6,017	)
Amortization of financing fees		(145	)
Income tax expense		(58	)
Interest expense		(5,229	)
Net income	$	33,887

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Earnings Per Share and Earnings Per Unit (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Common Share/Unit

Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per common share utilizing the two-class method.

(in thousands except per share data)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Numerator:
Net income attributable to common shareholders	$	47,383	$	36,433
Denominator:
Denominator for basic earnings per share – weighted    average shares		75,387		70,016
Effect of Dilutive Securities:
Stock options and non-vested stock		123		110
Denominator for diluted earnings per share – adjusted    weighted average shares and assumed conversion		75,510		70,126
Basic earnings per common share attributable to    common shareholders	$	0.63	$	0.52
Diluted earnings per common share attributable to    common shareholders	$	0.63	$	0.52

Earnings Per Unit

The following table sets forth the computation of basic and diluted earnings per common unit utilizing the two-class method.

(in thousands except per unit data)	Three Months Ended March 31, 2021		Three Months Ended March 31, 2020
Numerator:
Net income attributable to common unitholders	$	47,383	$	36,433
Denominator:
Denominator for basic earnings per unit – weighted    average units		75,387		70,016
Effect of Dilutive Securities:
Stock options and non-vested stock		123		110
Denominator for diluted earnings per unit – adjusted    weighted average units and assumed conversion		75,510		70,126
Basic earnings per common unit attributable to    common unitholders	$	0.63	$	0.52
Diluted earnings per common unit attributable to    common unitholders	$	0.63	$	0.52

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Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Reconciliation of Changes in Parent Company's Total Shareholders' Equity

The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the three months ended March 31, 2021:

(dollars in thousands)	Common Stock		Additional Paid-in Capital			Dividends in Excess of Net Income			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance December 31, 2020	$	495	$	2,671,311		$	(288,667	)	$	(5,041	)	$	2,378,098
Net proceeds from issuance of common stock		18		180,511			—			—			180,529
Earned portion of non-vested stock		—		1,453			—			—			1,453
Stock dividend		252		(252	)		—			—			—
Carrying value less than redemption value on redeemed    noncontrolling interest		—		(4	)		—			—			(4	)
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,358	)		—			(2,358	)
Net income attributable to common shareholders		—		—			47,383			—			47,383
Amortization of terminated hedge included in    AOCL		—		—			—			229			229
Dividends		—		—			(55,840	)		—			(55,840	)
Balance March 31, 2021	$	765	$	2,853,019		$	(299,482	)	$	(4,812	)	$	2,549,490

The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the three months ended March 31, 2020:

(dollars in thousands)	Common Stock		Additional Paid-in Capital		Dividends in Excess of Net Income			Accumulated Other Comprehensive Income (Loss)			Total Shareholders’ Equity
Balance December 31, 2019	$	467	$	2,376,723	$	(238,338	)	$	(5,958	)	$	2,132,894
Net proceeds from issuance of common stock		2		21,464		—			—			21,466
Earned portion of non-vested stock		—		1,124		—			—			1,124
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		5,542			—			5,542
Net income attributable to common shareholders		—		—		36,433			—			36,433
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(49,969	)		—			(49,969	)
Balance March 31, 2020	$	469	$	2,399,311	$	(246,332	)	$	(5,729	)	$	2,147,719

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Partners' Capital (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Reconciliation of Changes in Total Partners' Capital

The following is a reconciliation of the changes in total partners’ capital for the three months ended March 31, 2021:

(dollars in thousands)	Life Storage Holdings, Inc. General Partner			Life Storage, Inc. Limited Partner			Accumulated Other Comprehensive Income (Loss)			Total Controlling Partners’ Capital
Balance December 31, 2020	$	24,045		$	2,359,094		$	(5,041	)	$	2,378,098
Net proceeds from issuance of Operating Partnership Units		1,807			178,722			—			180,529
Earned portion of non-vested stock		14			1,439			—			1,453
Carrying value less than redemption value on redeemed    noncontrolling interest		(1	)		(3	)		—			(4	)
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,358	)		—			(2,358	)
Net income attributable to common unitholders		476			46,907			—			47,383
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(561	)		(55,279	)		—			(55,840	)
Balance March 31, 2021	$	25,782		$	2,528,520		$	(4,812	)	$	2,549,490

The following is a reconciliation of the changes in total partners’ capital for the three months ended March 31, 2020:

(dollars in thousands)	Life Storage Holdings, Inc. General Partner			Life Storage, Inc. Limited Partner			Accumulated Other Comprehensive Income (Loss)			Total Controlling Partners’ Capital
Balance December 31, 2019	$	21,594		$	2,117,258		$	(5,958	)	$	2,132,894
Net proceeds from issuance of Operating Partnership Units		212			21,254			—			21,466
Earned portion of non-vested stock		11			1,113			—			1,124
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			5,542			—			5,542
Net income attributable to common unitholders		366			36,067			—			36,433
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(502	)		(49,467	)		—			(49,969	)
Balance March 31, 2020	$	21,683		$	2,131,765		$	(5,729	)	$	2,147,719

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Commitment and Contingencies (Tables)

3 Months Ended

Mar. 31, 2021

Commitments And Contingencies Disclosure [Abstract]

Summary of Undiscounted Future Minimum Lease Payments

The undiscounted future minimum lease payments are summarized by year in the table below:

(in thousands)
2021	$	1,939
2022		2,388
2023		2,388
2024		2,374
2025		2,402
Thereafter		14,181
Total	$	25,672

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Basis of Presentation - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2021
Life Storage LP [Member]
Schedule Of Significant Accounting Policies [Line Items]
Stock distribution terms	Share and per share amounts and unit and per unit amounts as of and for the periods ending March 31, 2020 and December 31, 2020 have been adjusted to reflect the impact of the three-for-two distribution of common stock announced by the Company on January 4, 2021 and distributed on January 27, 2021 to shareholders and unitholders of record on January 15, 2021.

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Organization - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2021 Property State shares	Dec. 31, 2020 shares	Jun. 30, 2020
Organization [Line Items]
Number of self-storage properties owned and managed	955
Number of states in which self-storage properties owned and managed | State	32
Number of properties managed under joint ventures	91
Number of properties managed with no ownership	251
Noncontrolling limited partnership unit redemption value	one common share or cash
Geographic Concentration Risk [Member] | Texas [Member] | Revenue [Member]
Organization [Line Items]
Concentration risk, percentage	18.00%
Geographic Concentration Risk [Member] | Florida [Member] | Revenue [Member]
Organization [Line Items]
Concentration risk, percentage	13.00%
Life Storage LP [Member]
Organization [Line Items]
Units of redeemable noncontrolling interest in operating partnership | shares	333,399	334,149
Life Storage LP [Member]
Organization [Line Items]
Percentage of ownership interest of the subsidiary and its limited partnership which controls the operations of the Operating Partnership	99.60%
Warehouse Anywhere LLC [Member]
Organization [Line Items]
Percentage of ownership interest of the subsidiary and its limited partnership which controls the operations of the Operating Partnership			60.00%

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Organization - Summary of Reconciliation of Noncontrolling Interests (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Redeemable Noncontrolling Interest Equity Fair Value [Abstract]
Noncontrolling interest, beginning balance	$ 26,446
Net income attributable to noncontrolling interest in the Operating Partnership	209	$ 192
Redemption of units	(59)
Distributions	(247)
Adjustment to redemption value	2,358	$ (5,542)
Noncontrolling interest, ending balance	$ 28,707

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Organization - Summary of Disaggregated Revenues (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation Of Revenue [Line Items]
Rental income	$ 150,283	$ 128,907
Operating revenues other than rental income	21,604	18,036
Total operating revenues	171,887	146,943
Management and Acquisition Fee Income [Member]
Disaggregation Of Revenue [Line Items]
Operating revenues other than rental income	4,590	4,413
Revenues Related to Tenant Reinsurance [Member]
Disaggregation Of Revenue [Line Items]
Operating revenues other than rental income	12,619	10,138
Other Operating Income [Member]
Disaggregation Of Revenue [Line Items]
Operating revenues other than rental income	$ 4,395	$ 3,485

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Stock Based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amortization of non-vested stock grants and performance-based awards	$ 1,453,000	$ 1,124,000
Stock options exercised by employees and directors	0	0
Number of shares of non-vested stock that vested	9,307	10,745
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option plan, share based compensation, vesting period (in years)	3 years
Aggregate fair value	$ 800,000
Performance Shares [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted under performance plan	19,500
Employees and Directors [Member] | Non-Vested Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of non-vested stock issued	1,844
Aggregate fair value	$ 155,100
Employees and Directors [Member] | Non-Vested Shares [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option plan, share based compensation, vesting period (in years)	1 year
Fair market value of the non-vested stock on the date of grant	$ 84.06
Employees and Directors [Member] | Non-Vested Shares [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option plan, share based compensation, vesting period (in years)	5 years
Fair market value of the non-vested stock on the date of grant	$ 84.33

XML

Cash and Restricted Cash - Summary of Reconciliation of Cash and Restricted Cash (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Cash And Cash Equivalents [Abstract]
Cash	$ 13,914	$ 54,400	$ 20,720
Restricted cash	4,510	4,371	4,345
Total cash and restricted cash	$ 18,424	$ 58,771	$ 25,065	$ 21,556

XML

Investment in Storage Facilities and Intangible Assets - Summary of Activity in Storage Facilities (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Cost:
Beginning balance	$ 5,330,323
Acquisition of storage facilities	263,299
Improvements and equipment additions	4,289
Net increase in construction in progress	6,024
Dispositions	(99)
Ending balance	5,603,836
Accumulated Depreciation:
Beginning balance	873,178
Additions during the period	31,293
Dispositions	(51)
Ending balance	$ 904,420

XML

Investment in Storage Facilities and Intangible Assets - Additional Information (Detail) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) Property $ / shares	Mar. 31, 2020 USD ($) Property
Investment Holdings [Line Items]
Number of storage facilities acquired | Property	16	6
Cash payment for property acquisition	$ 265,197
Received return on investment	2,547	$ 3,611
Net other liabilities assumed	$ 1,000
Amortization period for in-place customer leases on a straight-line basis	12 months
Increase in depreciation expense due to facility replacement	$ 1,400
Estimate increase in depreciation expense due to facility replacement during remainder of 2021	$ 400
Accelerated depreciation reduced basic and diluted earnings per share | $ / shares	$ 0.02
Depreciation and Amortization Expense [Member]
Investment Holdings [Line Items]
Amortization expense related to in-place customer leases	$ 2,100	$ 1,300
SNL Orix Merrick [Member]
Investment Holdings [Line Items]
Company common ownership interest	5.00%
Cash payment for property acquisition	$ 47,900
Received return on investment	$ 800

XML

Investment in Storage Facilities and Intangible Assets - Schedule of Purchase Price of Facilities Acquired (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) Property	Mar. 31, 2020 Property
Investment Holdings [Line Items]
Number of Properties | Property	16	6
Purchase Price	$ 266,215
Consideration paid, Cash Paid	265,197
Consideration paid, Net Other Liabilities (Assets) Assumed	1,018
Acquisition Date Fair Value, In-Place Customer Leases	2,888
Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	39,401
Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 223,898
SC [Member] | Asset Acquired on 1/4/2021 [Member]
Investment Holdings [Line Items]
Number of Properties | Property	1
Date of Acquisition	Jan. 04, 2021
Purchase Price	$ 8,070
Consideration paid, Cash Paid	8,042
Consideration paid, Net Other Liabilities (Assets) Assumed	28
Acquisition Date Fair Value, In-Place Customer Leases	105
SC [Member] | Asset Acquired on 1/4/2021 [Member] | Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	812
SC [Member] | Asset Acquired on 1/4/2021 [Member] | Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 7,153
CA [Member] | Asset Acquired on 1/21/2021 [Member]
Investment Holdings [Line Items]
Number of Properties | Property	1
Date of Acquisition	Jan. 21, 2021
Purchase Price	$ 18,287
Consideration paid, Cash Paid	18,251
Consideration paid, Net Other Liabilities (Assets) Assumed	36
Acquisition Date Fair Value, In-Place Customer Leases	135
CA [Member] | Asset Acquired on 1/21/2021 [Member] | Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	1,322
CA [Member] | Asset Acquired on 1/21/2021 [Member] | Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 16,830
NY [Member] | Asset Acquired on 3/4/2021 [Member]
Investment Holdings [Line Items]
Number of Properties | Property	1
Date of Acquisition	Mar. 04, 2021
Purchase Price	$ 47,947
Consideration paid, Cash Paid	47,933
Consideration paid, Net Other Liabilities (Assets) Assumed	14
Acquisition Date Fair Value, In-Place Customer Leases	336
NY [Member] | Asset Acquired on 3/4/2021 [Member] | Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	10,591
NY [Member] | Asset Acquired on 3/4/2021 [Member] | Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 37,020
Florida [Member] | Asset Acquired on 3/11/2021 [Member]
Investment Holdings [Line Items]
Number of Properties | Property	8
Date of Acquisition	Mar. 11, 2021
Purchase Price	$ 85,156
Consideration paid, Cash Paid	84,586
Consideration paid, Net Other Liabilities (Assets) Assumed	570
Acquisition Date Fair Value, In-Place Customer Leases	1,237
Florida [Member] | Asset Acquired on 3/11/2021 [Member] | Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	13,381
Florida [Member] | Asset Acquired on 3/11/2021 [Member] | Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 70,538
AZ [Member] | Asset Acquired on 3/24/2021 [Member]
Investment Holdings [Line Items]
Number of Properties | Property	3
Date of Acquisition	Mar. 24, 2021
Purchase Price	$ 67,089
Consideration paid, Cash Paid	66,890
Consideration paid, Net Other Liabilities (Assets) Assumed	199
Acquisition Date Fair Value, In-Place Customer Leases	632
AZ [Member] | Asset Acquired on 3/24/2021 [Member] | Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	7,129
AZ [Member] | Asset Acquired on 3/24/2021 [Member] | Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 59,320
WA [Member] | Asset Acquired on 3/25/2021 [Member]
Investment Holdings [Line Items]
Number of Properties | Property	2
Date of Acquisition	Mar. 25, 2021
Purchase Price	$ 39,666
Consideration paid, Cash Paid	39,495
Consideration paid, Net Other Liabilities (Assets) Assumed	171
Acquisition Date Fair Value, In-Place Customer Leases	443
WA [Member] | Asset Acquired on 3/25/2021 [Member] | Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	6,166
WA [Member] | Asset Acquired on 3/25/2021 [Member] | Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 33,037

XML

Investment in Storage Facilities and Intangible Assets - Schedule of In-place Customer Leases (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Real Estate [Abstract]
In-place customer leases	$ 89,751	$ 86,863
Accumulated amortization	(83,525)	(81,455)
Net carrying value at the end of period	$ 6,226	$ 5,408

XML

Unsecured Line of Credit and Term Notes - Borrowings Outstanding on Unsecured Line of Credit and Term Notes (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Revolving line of credit borrowings	$ 43,000
Total term note principal balance outstanding	2,175,000	$ 2,175,000
Less: unamortized debt issuance costs	(12,380)	(12,833)
Less: unamortized senior term note discount	(6,480)	(6,710)
Term notes payable	2,156,140	2,155,457
Term Note Due April 8, 2024 [Member]
Debt Instrument [Line Items]
Total term note principal balance outstanding	175,000	175,000
Senior Term Note Due July 1, 2026 [Member]
Debt Instrument [Line Items]
Total term note principal balance outstanding	600,000	600,000
Senior Term Note Due December 15, 2027 [Member]
Debt Instrument [Line Items]
Total term note principal balance outstanding	450,000	450,000
Term Note Due July 21, 2028 [Member]
Debt Instrument [Line Items]
Total term note principal balance outstanding	200,000	200,000
Senior Term Note Due June 15, 2029 [Member]
Debt Instrument [Line Items]
Total term note principal balance outstanding	350,000	350,000
Senior Term Note Due October 15, 2030 [Member]
Debt Instrument [Line Items]
Total term note principal balance outstanding	$ 400,000	$ 400,000

XML

Unsecured Line of Credit and Term Notes - Additional Information (Detail) - USD ($)							3 Months Ended
	Sep. 23, 2020	Jun. 03, 2019	Dec. 07, 2017	Jul. 21, 2016	Jun. 20, 2016	Apr. 08, 2014	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Amount available on unsecured revolving line of credit							$ 456,900,000
Unamortized senior term note discount							6,480,000		$ 6,710,000
Amortization expense related to deferred debt issuance costs							$ 1,062,000	$ 1,025,000
Maximum [Member]
Debt Instrument [Line Items]
Leverage ratio percentage							60.00%
Indenture covenant percentage on unencumbered assets							150.00%
Minimum [Member]
Debt Instrument [Line Items]
Interest coverage ratio on debt							150.00%
Secured Debt [Member] | Maximum [Member]
Debt Instrument [Line Items]
Leverage ratio percentage							40.00%
Senior Term Note Due October 15, 2030 [Member] | Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument principal amount	$ 400,000,000
Debt instrument,maturity date	Oct. 15, 2030
Debt instrument stated interest rate	2.20%
Debt instrument percentage discount to par	0.476%
Debt instrument, interest payable description							Interest on the 2030 Senior Notes is payable semi-annually in arrears on each April 15 and October 15, commencing with April 15, 2021
Unamortized senior term note discount	$ 1,900,000
Underwriting discount and other offering expenses	3,500,000
Proceeds from senior notes, net	$ 394,600,000
Senior Term Note Due June 15, 2029 [Member] | Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument principal amount		$ 350,000,000
Debt instrument,maturity date		Jun. 15, 2029
Debt instrument stated interest rate		4.00%
Debt instrument percentage discount to par		0.524%
Debt instrument, interest payable description							Interest on the 2029 Senior Notes is payable semi-annually in arrears on each June 15 and December 15.
Unamortized senior term note discount		$ 1,800,000
Underwriting discount and other offering expenses		3,100,000
Proceeds from senior notes, net		$ 345,100,000
Senior Term Note Due December 15, 2027 [Member] | Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument principal amount			$ 450,000,000
Debt instrument,maturity date			Dec. 15, 2027
Debt instrument stated interest rate			3.875%
Debt instrument percentage discount to par			0.477%
Debt instrument, interest payable description							Interest on the 2027 Senior Notes is payable semi-annually in arrears on each June 15 and December 15.
Unamortized senior term note discount			$ 2,100,000
Underwriting discount and other offering expenses			4,000,000.0
Proceeds from senior notes, net			$ 443,900,000
Senior Term Note Due July 1, 2026 [Member] | Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument principal amount					$ 600,000,000
Debt instrument,maturity date					Jul. 01, 2026
Debt instrument stated interest rate					3.50%
Debt instrument percentage discount to par					0.553%
Debt instrument, interest payable description							Interest on the 2026 Senior Notes is payable semi-annually in arrears on each January 1 and July 1.
Unamortized senior term note discount					$ 3,300,000
Underwriting discount and other offering expenses					5,500,000
Proceeds from senior notes, net					$ 591,200,000
Term Note Due July 21, 2028 [Member]
Debt Instrument [Line Items]
Debt instrument,maturity date				Jul. 21, 2028
Debt instrument stated interest rate				3.67%
Additional secured term note				$ 200,000,000
Term Note Due April 8, 2024 [Member]
Debt Instrument [Line Items]
Debt instrument,maturity date						Apr. 08, 2024
Debt instrument stated interest rate						4.533%
Additional secured term note						$ 175,000,000
Term Note Due April 8, 2024 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument stated interest rate						6.283%
Senior Notes and Term Notes [Member]
Debt Instrument [Line Items]
Amortization expense related to deferred debt issuance costs							$ 600,000	$ 600,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit limit							$ 500,000,000
Line of credit facility, expiration date							Mar. 10, 2023
Basis spread over LIBOR							0.95%
Facility fee							0.15%
Interest rate, line of credit facility							1.06%		1.09%
Revolving Credit Facility [Member] | Term Note Due June 4, 2020 [Member]
Debt Instrument [Line Items]
Debt instrument principal amount							$ 100,000,000
Debt instrument,maturity date							Jun. 04, 2020
Basis spread over LIBOR							1.00%
Debt instrument variable interest rate							1.11%		1.14%
Revolving Credit Facility [Member] | Term Note [Member]
Debt Instrument [Line Items]
Revolving credit limit							$ 900,000,000

XML

Mortgages Payable and Debt Maturities - Summary of Mortgage Payable (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Mortgages payable	$ 37,596	$ 37,777
4.065% Mortgage Note Due April 1, 2023 [Member]
Debt Instrument [Line Items]
Mortgages payable	3,807	3,832
5.26% Mortgage Note Due November 1, 2023 [Member]
Debt Instrument [Line Items]
Mortgages payable	3,710	3,728
4.4625% Mortgage Note Due December 6, 2024 [Member]
Debt Instrument [Line Items]
Mortgages payable	22,620	22,684
4.44% Mortgage Note Due July 6, 2025 [Member]
Debt Instrument [Line Items]
Mortgages payable	6,316	6,343
5.99% Mortgage Note Due May 1, 2026 [Member]
Debt Instrument [Line Items]
Mortgages payable	$ 1,143	$ 1,190

XML

Mortgages Payable and Debt Maturities - Summary of Mortgage Payable (Parenthetical) (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) Facility
4.065% Mortgage Note Due April 1, 2023 [Member]
Debt Instrument [Line Items]
Interest rate	4.065%
Mortgage note due date	Apr. 01, 2023
Self-storage facilities | Facility	1
Aggregate net book value of property pledged for mortgage note | $	$ 7.1
Effective interest rate	4.40%
5.26% Mortgage Note Due November 1, 2023 [Member]
Debt Instrument [Line Items]
Interest rate	5.26%
Mortgage note due date	Nov. 01, 2023
Self-storage facilities | Facility	1
Aggregate net book value of property pledged for mortgage note | $	$ 7.8
Effective interest rate	5.69%
4.4625% Mortgage Note Due December 6, 2024 [Member]
Debt Instrument [Line Items]
Interest rate	4.4625%
Mortgage note due date	Dec. 06, 2024
Self-storage facilities | Facility	3
Aggregate net book value of property pledged for mortgage note | $	$ 54.8
Effective interest rate	3.12%
4.44% Mortgage Note Due July 6, 2025 [Member]
Debt Instrument [Line Items]
Interest rate	4.44%
Mortgage note due date	Jul. 06, 2025
Self-storage facilities | Facility	1
Aggregate net book value of property pledged for mortgage note | $	$ 13.6
Effective interest rate	4.60%
5.99% Mortgage Note Due May 1, 2026 [Member]
Debt Instrument [Line Items]
Interest rate	5.99%
Mortgage note due date	May 01, 2026
Self-storage facilities | Facility	1
Aggregate net book value of property pledged for mortgage note | $	$ 6.4
Effective interest rate	6.45%

XML

Mortgages Payable and Debt Maturities - Summary of Debt Obligation and Interest Rate Derivatives (Detail) $ in Thousands	Mar. 31, 2021 USD ($)
Debt Instrument [Line Items]
Payables due 2021	$ 376
Payables due 2022	519
Payables due 2023	50,533
Payables due 2024	197,985
Payables due 2025	6,077
Payables due Thereafter	2,000,106
Debt obligations	2,255,596
Line of credit - variable rate LIBOR + 0.95% (1.06% at March 31, 2021) [Member]
Debt Instrument [Line Items]
Payables due 2023	43,000
Debt obligations	43,000
Debt instrument, fair value	43,000
Term Note - Fixed Rate 4.533% [Member]
Debt Instrument [Line Items]
Payables due 2024	175,000
Debt obligations	175,000
Term note, fair value	195,252
Term Note - Fixed Rate 3.50% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	600,000
Debt obligations	600,000
Term note, fair value	657,471
Term Note - Fixed Rate 3.875% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	450,000
Debt obligations	450,000
Term note, fair value	494,057
Term Note - Fixed Rate 3.67% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	200,000
Debt obligations	200,000
Term note, fair value	215,203
Term Note - Fixed Rate 4.00% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	350,000
Debt obligations	350,000
Term note, fair value	394,261
Term Note - Fixed Rate 2.20% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	400,000
Debt obligations	400,000
Term note, fair value	376,052
Mortgage Note - Fixed Rate 4.065% [Member]
Debt Instrument [Line Items]
Payables due 2021	79
Payables due 2022	108
Payables due 2023	3,620
Debt obligations	3,807
Debt instrument, fair value	3,936
Mortgage Note - Fixed Rate 5.26% [Member]
Debt Instrument [Line Items]
Payables due 2021	60
Payables due 2022	83
Payables due 2023	3,567
Debt obligations	3,710
Debt instrument, fair value	3,983
Mortgage Note - Fixed Rate 4.4625% [Member]
Debt Instrument [Line Items]
Payables due 2024	22,620
Debt obligations	22,620
Debt instrument, fair value	23,317
Mortgage Note - Fixed Rate 4.44% [Member]
Debt Instrument [Line Items]
Payables due 2021	92
Payables due 2022	125
Payables due 2023	130
Payables due 2024	136
Payables due 2025	5,833
Debt obligations	6,316
Debt instrument, fair value	6,765
Mortgage Note - Fixed Rate 5.99% [Member]
Debt Instrument [Line Items]
Payables due 2021	145
Payables due 2022	203
Payables due 2023	216
Payables due 2024	229
Payables due 2025	244
Payables due Thereafter	106
Debt obligations	1,143
Debt instrument, fair value	$ 1,244

XML

Mortgages Payable and Debt Maturities - Summary of Debt Obligation and Interest Rate Derivatives (Parenthetical) (Detail)	3 Months Ended
	Mar. 31, 2021
Line of credit - variable rate LIBOR + 0.95% (1.06% at March 31, 2021) [Member]
Debt Instrument [Line Items]
Interest rate at end of period	1.06%
Basis spread over LIBOR	0.95%
Term Note - Fixed Rate 4.533% [Member]
Debt Instrument [Line Items]
Interest rate	4.533%
Term Note - Fixed Rate 3.50% [Member]
Debt Instrument [Line Items]
Interest rate	3.50%
Term Note - Fixed Rate 3.875% [Member]
Debt Instrument [Line Items]
Interest rate	3.875%
Term Note - Fixed Rate 3.67% [Member]
Debt Instrument [Line Items]
Interest rate	3.67%
Term Note - Fixed Rate 4.00% [Member]
Debt Instrument [Line Items]
Interest rate	4.00%
Term Note - Fixed Rate 2.20% [Member]
Debt Instrument [Line Items]
Interest rate	2.20%
Mortgage Note - Fixed Rate 4.065% [Member]
Debt Instrument [Line Items]
Interest rate	4.065%
Mortgage Note - Fixed Rate 5.26% [Member]
Debt Instrument [Line Items]
Interest rate	5.26%
Mortgage Note - Fixed Rate 4.4625% [Member]
Debt Instrument [Line Items]
Interest rate	4.4625%
Mortgage Note - Fixed Rate 4.44% [Member]
Debt Instrument [Line Items]
Interest rate	4.44%
Mortgage Note - Fixed Rate 5.99% [Member]
Debt Instrument [Line Items]
Interest rate	5.99%

XML

Derivative Financial Instruments - Additional Information (Detail) - Senior Term Note Due July 1, 2026 [Member] $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Derivative [Line Items]
Settlement of forward starting swap agreements	$ 9.2
Amortized period on interest expense	10 years

XML

Derivative Financial Instruments - Summary of Changes in AOCL (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income Loss [Line Items]
Realized loss reclassified from accumulated other comprehensive loss to interest expense	$ 229	$ 229
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss beginning of period	(5,041)	(5,958)
Accumulated other comprehensive loss end of period	$ (4,812)	$ (5,729)

XML

Fair Value Measurements - Additional Information (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value	$ 0	$ 0
Liabilities measured at fair value	$ 0	$ 0

XML

Investment in Joint Ventures - Summary of Company's Unconsolidated Joint Ventures (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) Property	Dec. 31, 2020 USD ($)
Sovran HHF Storage Holdings LLC [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	36
Company common ownership interest	20.00%
Carrying value of investment	$ 60.0	$ 60.5
Sovran HHF Storage Holdings II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	22
Company common ownership interest	15.00%
Carrying value of investment	$ 27.0	27.3
Life Storage-SERS Storage LLC [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	3
Company common ownership interest	20.00%
Carrying value of investment	$ 3.0	3.0
Life Storage-HIERS Storage LLC [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	17
Company common ownership interest	20.00%
Carrying value of investment	$ 14.2	14.3
Iskalo Office Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Company common ownership interest	49.00%
Carrying value of investment	$ (2.5)	(2.5)
Life Storage Spacemax, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	6
Company common ownership interest	40.00%
Carrying value of investment	$ 16.5	16.7
Life Storage Virtus, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	1
Company common ownership interest	20.00%
Carrying value of investment	$ 1.4	1.5
SNL Orix Merrick, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Company common ownership interest	5.00%
Carrying value of investment		2.5
Joint Ventures with Properties in Development Stage [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	7
Company common ownership interest	Various
Carrying value of investment	$ 11.5	10.4
Other Unconsolidated Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	6
Company common ownership interest	Various
Carrying value of investment	$ 6.8	$ 6.8

XML

Investment in Joint Ventures - Summary of Company's Unconsolidated Joint Ventures (Parenthetical) (Detail) $ in Thousands	1 Months Ended		3 Months Ended		12 Months Ended
	Mar. 31, 2021 USD ($) Property	Sep. 30, 2020 USD ($) Property	Mar. 31, 2021 USD ($) Property	Mar. 31, 2020 USD ($) Property	Dec. 31, 2020 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of storage facilities acquired | Property			16	6
Cash payment for property acquisition			$ 265,197	$ 124,204
Mortgages payable	$ 37,596		$ 37,596		$ 37,777
Ontario, Canada [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint venture developing self-storage facilities | Property	2		2
NY [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint venture developing self-storage facilities | Property	4		4
Tucson, AZ [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint venture developing self-storage facilities | Property	1		1
Sovran HHF Storage Holdings LLC [Member]
Schedule of Equity Method Investments [Line Items]
Excess of investment over net asset due to capitalization of acquisition related costs	$ 1,700		$ 1,700
Total consideration acquired		$ 175,200
Settlement of principal balances with non-recourse loans		34,000
Gain on sale of storage facilities		$ 2,100
Sovran HHF Storage Holdings LLC [Member] | Storage Facilities [Member]
Schedule of Equity Method Investments [Line Items]
Number of storage facilities acquired | Property		17
Sovran HHF Storage Holdings LLC [Member] | Storage Facilities [Member] | Third Party [Member]
Schedule of Equity Method Investments [Line Items]
Total consideration acquired		$ 42,300
Number of properties sold | Property		4
Sovran HHF Storage Holdings II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Total consideration acquired		$ 120,200
Cash has been placed into escrow until non-recourse loans		35,800
Contribution of company to joint venture as share in capital		$ 12,700
Sovran HHF Storage Holdings II LLC [Member] | Storage Facilities [Member]
Schedule of Equity Method Investments [Line Items]
Number of storage facilities acquired | Property		8
Iskalo Office Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Rent paid during the period			$ 400	300
Life Storage Virtus, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Contribution of company to joint venture as share in capital					$ 1,700
Life Storage Virtus, LLC [Member] | Storage Facilities [Member]
Schedule of Equity Method Investments [Line Items]
Cash payment for property acquisition				21,700
Mortgages payable				$ 14,000
SNL Orix Merrick, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Total consideration acquired	$ 47,900
Joint Ventures with Properties in Development Stage [Member]
Schedule of Equity Method Investments [Line Items]
Number Of joint ventures | Property			7
Joint Ventures with Properties in Development Stage [Member] | Common Stock Shares [Member]
Schedule of Equity Method Investments [Line Items]
Contribution of company to joint venture as share in capital			$ 11,500

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Investment in Joint Ventures - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operational Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Management and call center fee earned	$ 1.8	$ 2.7

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Investment in Joint Ventures - Company's Share of Unconsolidated Joint Ventures' Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	$ 1,221	$ 1,116
Sovran HHF Storage Holdings LLC [Member]
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	654	922
Sovran HHF Storage Holdings II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	332	455
Other Unconsolidated Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	$ 235	$ (261)

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Investment in Joint Ventures - Summary of Unconsolidated Joint Ventures' Financial Statements (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Investment in storage facilities, net	$ 4,699,416		$ 4,457,145
Other assets	32,865		31,907
Total Assets	4,930,761		4,727,848
Mortgages payable	37,596		37,777
Total Liabilities	2,352,564		2,323,304
Company equity	2,549,490	$ 2,147,719	2,378,098	$ 2,132,894
Total Liabilities and Shareholders' Equity/ Partners' Capital	4,930,761		$ 4,727,848
Total revenues	171,887	146,943
Depreciation and amortization of customer list	(33,359)	(28,330)
Amortization of financing fees	(1,062)	(1,025)
Interest expense	(20,346)	(20,246)
Net income	47,592	$ 36,625
Unconsolidated Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Investment in storage facilities, net	1,076,066
Investment in office building, net	4,185
Other assets	58,947
Total Assets	1,139,198
Due to the Company	520
Mortgages payable	529,504
Other liabilities	17,660
Total Liabilities	547,684
Unaffiliated partners’ equity	453,561
Company equity	137,953
Total Partners’ Equity	591,514
Total Liabilities and Shareholders' Equity/ Partners' Capital	1,139,198
Total revenues	27,231
Property operating expenses	(9,529)
Administrative, management and call center fees	(2,051)
Gain on disposal of self-storage facilities	29,685
Depreciation and amortization of customer list	(6,017)
Amortization of financing fees	(145)
Income tax expense	(58)
Interest expense	(5,229)
Net income	$ 33,887

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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2017	Dec. 31, 2020
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits	$ 0	$ 0
Interest or penalties related to uncertain tax positions	0	0
Deferred tax assets	300,000			$ 400,000
Deferred tax liability	$ 1,700,000			$ 1,700,000
Corporate income tax rate	21.00%		35.00%
Tax Year 2016 [Member]
Tax Credit Carryforward [Line Items]
Tax years open to examination	2017
Tax Year 2019 [Member]
Tax Credit Carryforward [Line Items]
Tax years open to examination	2020
General and Administrative Expense [Member]
Tax Credit Carryforward [Line Items]
Federal and state income tax expense (benefit)	$ 600,000	$ 800,000

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Earnings Per Share and Earnings Per Unit - Computation of Basic and Diluted Earnings Per Common Share/Unit (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Net income attributable to common shareholders/unitholders	$ 47,383	$ 36,433
Denominator:
Denominator for basic earnings per share/unit - weighted average shares/units	75,387,332	70,015,856
Effect of Dilutive Securities:
Stock options and non-vested stock	123,000	110,000
Denominator for diluted earnings per share/unit - adjusted weighted average shares/units and assumed conversion	75,510,201	70,126,344
Basic earnings per common share/unit attributable to common shareholders/unitholders	$ 0.63	$ 0.52
Diluted earnings per common share/unit attributable to common shareholders/unitholders	$ 0.63	$ 0.52
Life Storage LP [Member]
Numerator:
Net income attributable to common shareholders/unitholders	$ 47,383	$ 36,433
Denominator:
Denominator for basic earnings per share/unit - weighted average shares/units	75,387,332	70,015,856
Effect of Dilutive Securities:
Stock options and non-vested stock	123,000	110,000
Denominator for diluted earnings per share/unit - adjusted weighted average shares/units and assumed conversion	75,510,201	70,126,344
Basic earnings per common share/unit attributable to common shareholders/unitholders	$ 0.63	$ 0.52
Diluted earnings per common share/unit attributable to common shareholders/unitholders	$ 0.63	$ 0.52

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Earnings Per Share and Earnings Per Unit - Additional Information (Detail) - shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities not included in the effect of dilutive securities	149,227	148,047

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Shareholders' Equity - Reconciliation of Changes in Parent Company's Total Shareholders' Equity (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Beginning Balance	$ 2,378,098	$ 2,132,894
Net proceeds from issuance of common stock	180,529	21,466
Earned portion of non-vested stock	1,453	1,124
Carrying value less than redemption value on redeemed noncontrolling interest	(4)
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units	(2,358)	5,542
Net income attributable to common shareholders	47,383	36,433
Amortization of terminated hedge included in AOCL	229	229
Dividends	(55,840)	(49,969)
Ending Balance	2,549,490	2,147,719
Common Stock Shares [Member]
Beginning Balance	495	467
Net proceeds from issuance of common stock	18	2
Stock dividend	252
Ending Balance	765	469
Additional Paid-in Capital [Member]
Beginning Balance	2,671,311	2,376,723
Net proceeds from issuance of common stock	180,511	21,464
Earned portion of non-vested stock	1,453	1,124
Stock dividend	(252)
Carrying value less than redemption value on redeemed noncontrolling interest	(4)
Ending Balance	2,853,019	2,399,311
Dividends in Excess of Net Income [Member]
Beginning Balance	(288,667)	(238,338)
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units	(2,358)	5,542
Net income attributable to common shareholders	47,383	36,433
Dividends	(55,840)	(49,969)
Ending Balance	(299,482)	(246,332)
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance	(5,041)	(5,958)
Amortization of terminated hedge included in AOCL	229	229
Ending Balance	$ (4,812)	$ (5,729)

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Shareholders' Equity - Additional Information (Detail)			3 Months Ended
	Jan. 15, 2021	Jan. 04, 2021	Mar. 31, 2021 USD ($) Property $ / shares shares	Mar. 31, 2020 USD ($) Property $ / shares shares	Jun. 14, 2018 USD ($)	Aug. 02, 2017 USD ($)
Stockholders Equity [Line Items]
Number of storage facilities acquired | Property			16	6
Buyback Program, authorized repurchase amount						$ 200,000,000
Stock repurchased during period, shares | shares			0	0
Shares issued under dividend reinvestment plan | shares			0	0
Description of stock split of common stock		three-for-two
Stock split, conversion ratio		1.5
Stock dividend payable percentage of common stock		50.00%
Description of additional share received	Shareholders of record at the close of business on January 15, 2021 received on additional share of Company stock for every two shares owned.
2018 Equity Program [Member]
Stockholders Equity [Line Items]
Common stock value authorized under equity offering program					$ 300,000,000
Common stock shares issued under equity offering program | shares				285,605
Weighted average issue price | $ / shares				$ 76.17
Proceeds from issuance of common stock				$ 21,500,000
Sales commissions paid				200,000
Other expenses				$ 100,000
2020 Equity Program [Member]
Stockholders Equity [Line Items]
Common stock value authorized under new equity offering program					$ 500,000,000
Common stock shares issued under equity offering program | shares			2,220,559
Weighted average issue price | $ / shares			$ 82.23
Proceeds from issuance of common stock			$ 180,500,000
Sales commissions paid			1,800,000
Other expenses			$ 300,000

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Partners' Capital - Reconciliation of Change in Total Partners' Capital (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Partners Capital [Line Items]
Earned portion of non-vested stock	$ 1,453	$ 1,124
Carrying value less than redemption value on redeemed noncontrolling interest	(4)
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units	2,358	(5,542)
Net income attributable to common shareholders/unitholders	47,383	36,433
Amortization of terminated hedge included in AOCL	229	229
Life Storage LP [Member]
Partners Capital [Line Items]
Beginning balance of total controlling partners’ capital	2,378,098	2,132,894
Net proceeds from issuance of Operating Partnership Units	180,529	21,466
Earned portion of non-vested stock	1,453	1,124
Carrying value less than redemption value on redeemed noncontrolling interest	(4)
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units	(2,358)	5,542
Net income attributable to common shareholders/unitholders	47,383	36,433
Amortization of terminated hedge included in AOCL	229	229
Distributions	(55,840)	(49,969)
Ending balance of total controlling partners’ capital	2,549,490	2,147,719
Life Storage LP [Member] | Life Storage Holdings, Inc. General Partner [Member]
Partners Capital [Line Items]
Beginning balance of total controlling partners’ capital	24,045	21,594
Net proceeds from issuance of Operating Partnership Units	1,807	212
Earned portion of non-vested stock	14	11
Carrying value less than redemption value on redeemed noncontrolling interest	(1)
Net income attributable to common shareholders/unitholders	476	366
Amortization of terminated hedge included in AOCL	2	2
Distributions	(561)	(502)
Ending balance of total controlling partners’ capital	25,782	21,683
Life Storage LP [Member] | Life Storage, Inc. Limited Partner [Member]
Partners Capital [Line Items]
Beginning balance of total controlling partners’ capital	2,359,094	2,117,258
Net proceeds from issuance of Operating Partnership Units	178,722	21,254
Earned portion of non-vested stock	1,439	1,113
Carrying value less than redemption value on redeemed noncontrolling interest	(3)
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units	(2,358)	5,542
Net income attributable to common shareholders/unitholders	46,907	36,067
Amortization of terminated hedge included in AOCL	(2)	(2)
Distributions	(55,279)	(49,467)
Ending balance of total controlling partners’ capital	2,528,520	2,131,765
Accumulated Other Comprehensive Income (Loss) [Member]
Partners Capital [Line Items]
Amortization of terminated hedge included in AOCL	229	229
Accumulated Other Comprehensive Income (Loss) [Member] | Life Storage LP [Member]
Partners Capital [Line Items]
Beginning balance of total controlling partners’ capital	(5,041)	(5,958)
Amortization of terminated hedge included in AOCL	229	229
Ending balance of total controlling partners’ capital	$ (4,812)	$ (5,729)

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Commitment and Contingencies - Additional Information (Detail) $ in Thousands			3 Months Ended
	May 05, 2021 USD ($) Property	May 03, 2021 USD ($) Property	Mar. 31, 2021 USD ($) Property	Mar. 31, 2020 USD ($) Property	Dec. 31, 2020 USD ($)
Commitment And Contingencies [Line Items]
Operating lease, aggregate right-of-use assets			$ 19,900		$ 20,300
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]			us-gaap:OtherAssetsMember		us-gaap:OtherAssetsMember
Operating lease liabilities			$ 19,700		$ 19,900
Operating Lease, Liability, Statement of Financial Position [Extensible List]			us-gaap:AccountsPayableAndAccruedLiabilitiesMember		us-gaap:AccountsPayableAndAccruedLiabilitiesMember
Operating lease expenses			$ 600	$ 500
Weighted average remaining lease term			11 years 2 months 12 days
Weighted average discount rate			4.67%
Operating lease commitments			$ 25,672
Number of storage facilities acquired | Property			16	6
Purchase Price			$ 266,215
Expansion and enhancement contracts			33,800
Self-storage Facilities [Member]
Commitment And Contingencies [Line Items]
Purchase price of business to be acquired			$ 106,500
Number of storage facilities acquired | Property			6
Self-storage Facilities [Member] | Subsequent Event [Member]
Commitment And Contingencies [Line Items]
Number of storage facilities acquired | Property	11	1
Purchase Price	$ 159,200	$ 16,500

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Commitment and Contingencies - Summary of Undiscounted Future Minimum Lease Payments (Detail) $ in Thousands	Mar. 31, 2021 USD ($)
Commitments And Contingencies Disclosure [Abstract]
2021	$ 1,939
2022	2,388
2023	2,388
2024	2,374
2025	2,402
Thereafter	14,181
Total	$ 25,672

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Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Thousands					1 Months Ended	3 Months Ended
	May 05, 2021 USD ($) Property	May 03, 2021 USD ($) Property	Apr. 26, 2021 USD ($)	Apr. 01, 2021 USD ($) $ / shares	Apr. 30, 2021 USD ($) $ / shares shares	Mar. 31, 2021 USD ($) Property	Mar. 31, 2020 USD ($) Property	Dec. 31, 2020 USD ($)
Subsequent Event [Line Items]
Mortgages payable						$ 37,596		$ 37,777
Distributions from unconsolidated joint ventures						$ 2,547	$ 3,611
Number of storage facilities acquired | Property						16	6
Aggregate purchase price						$ 266,215
Self-storage Facilities [Member]
Subsequent Event [Line Items]
Number of storage facilities acquired | Property						6
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend declared, date				Apr. 01, 2021
Dividend per common share | $ / shares				$ 0.74
Dividend paid, date				Apr. 26, 2021
Dividend record, date				Apr. 14, 2021
Dividend paid			$ 56,900
Subsequent Event [Member] | Equity Program [Member]
Subsequent Event [Line Items]
Common stock shares issued under equity offering program | shares					377,621
Weighted average issue price | $ / shares					$ 88.17
Proceeds from issuance of common stock					$ 33,000
Subsequent Event [Member] | Self-storage Facilities [Member]
Subsequent Event [Line Items]
Number of storage facilities acquired | Property	11	1
Aggregate purchase price	$ 159,200	$ 16,500
Subsequent Event [Member] | Sovran HHF Storage Holdings II LLC [Member]
Subsequent Event [Line Items]
Mortgage debt paid off				$ 69,100
Mortgages payable				$ 110,000
Mortgage debt maturity year				2029
Distributions from unconsolidated joint ventures				$ 31,600