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 September 30, 2020

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 October 27, 2020, 48,597,483 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 September 30, 2020 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 99.5% ownership interest therein as of September 30, 2020. 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.

2

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 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.

3

Part I. Financial Information

Item 1. Financial Statements

LIFE STORAGE, INC.

CONSOLIDATED BALANCE SHEETS

(dollars in thousands, except share data)	September 30, 2020 (unaudited)			December 31, 2019
Assets
Investment in storage facilities:
Land	$	937,030		$	884,235
Building, equipment, and construction in progress		4,263,222			3,865,238
		5,200,252			4,749,473
Less: accumulated depreciation		(842,592	)		(756,333	)
Investment in storage facilities, net		4,357,660			3,993,140
Cash and cash equivalents		110,247			17,458
Accounts receivable		13,970			12,218
Receivable from unconsolidated joint ventures		3,223			1,302
Investment in unconsolidated joint ventures		143,633			154,984
Prepaid expenses		10,601			7,771
Trade name		16,500			16,500
Other assets		33,221			29,591
Total Assets	$	4,689,055		$	4,232,964
Liabilities
Line of credit	$	—		$	65,000
Term notes, net		2,254,783			1,858,271
Accounts payable and accrued liabilities		107,980			103,942
Deferred revenue		16,204			11,699
Mortgages payable		34,352			34,851
Total Liabilities		2,413,319			2,073,763
Noncontrolling redeemable Operating Partnership Units at redemption value		25,848			26,307
Shareholders’ Equity
Common stock $.01 par value, 100,000,000 shares authorized, 48,199,008    shares outstanding at September 30, 2020 (46,675,933 at December 31, 2019)		482			467
Additional paid-in capital		2,533,402			2,376,723
Dividends in excess of net income		(278,726	)		(238,338	)
Accumulated other comprehensive loss		(5,270	)		(5,958	)
Total Shareholders’ Equity		2,249,888			2,132,894
Noncontrolling interest in consolidated subsidiary		—			—
Total Equity		2,249,888			2,132,894
Total Liabilities and Shareholders’ Equity	$	4,689,055		$	4,232,964

See notes to consolidated financial statements.

4

LIFE STORAGE, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
(dollars in thousands, except per share data)	2020			2019			2020			2019
Revenues
Rental income	$	135,965		$	128,565		$	393,701		$	381,625
Other operating income		20,345			17,069			56,565			45,561
Total operating revenues		156,310			145,634			450,266			427,186
Expenses
Property operations and maintenance		36,199			32,215			101,297			96,809
Real estate taxes		17,729			16,116			52,751			48,427
General and administrative		13,369			11,554			38,498			34,401
Payments for rent		—			75			—			358
Depreciation and amortization		33,018			26,854			90,335			79,239
Total operating expenses		100,315			86,814			282,881			259,234
Gain on sale of storage facilities		—			100,222			—			100,222
Gain on sale of real estate		—			—			302			1,076
Income from operations		55,995			159,042			167,687			269,250
Other income (expenses)
Interest expense		(20,544	)		(19,760	)		(61,056	)		(56,339	)
Interest income		8			289			14			340
Equity in income of joint ventures		1,829			1,175			3,915			3,095
Net income		37,288			140,746			110,560			216,346
Net income attributable to noncontrolling    interest in the Operating Partnership		(193	)		(744	)		(576	)		(1,148	)
Net loss attributable to noncontrolling    interest in consolidated subsidiary		—			—			—			—
Net income attributable to common shareholders	$	37,095		$	140,002		$	109,984		$	215,198
Earnings per common share attributable    to common shareholders – basic	$	0.78		$	3.00		$	2.34		$	4.62
Earnings per common share attributable    to common shareholders – diluted	$	0.78		$	2.99		$	2.34		$	4.61
Common shares used in basic earnings per share    calculation		47,223,842			46,586,030			46,915,323			46,577,704
Common shares used in diluted earnings per share    calculation		47,299,906			46,657,105			46,985,647			46,641,673
Dividends declared per common share	$	1.07		$	1.00		$	3.21		$	3.00

See notes to consolidated financial statements.

5

LIFE STORAGE, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
(dollars in thousands)	2020			2019			2020			2019
Net income	$	37,288		$	140,746		$	110,560		$	216,346
Other comprehensive income:
Effective portion of gain on derivatives net    of reclassification to interest expense		230			229			688			687
Total comprehensive income		37,518			140,975			111,248			217,033
Comprehensive income attributable to noncontrolling    interest in the Operating Partnership		(194	)		(745	)		(580	)		(1,152	)
Comprehensive loss attributable to noncontrolling    interest in consolidated subsidiary		—			—			—			—
Comprehensive income attributable to common shareholders	$	37,324		$	140,230		$	110,668		$	215,881

See notes to consolidated financial statements.

6

LIFE STORAGE, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

(dollars in thousands)	Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Operating Activities
Net income	$	110,560		$	216,346
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		90,335			79,239
Amortization of debt issuance costs and bond discount		3,033			2,873
Gain on sale of storage facilities		—			(100,222	)
Gain on sale of real estate		(302	)		(1,076	)
Equity in income of joint ventures		(3,915	)		(3,095	)
Distributions from unconsolidated joint ventures		9,246			7,419
Non-vested stock earned		3,380			3,284
Deferred income taxes		1,266			429
Other		(178	)		—
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable		(1,562	)		(3,132	)
Prepaid expenses		(2,710	)		(2,296	)
Advances to joint ventures		(2,254	)		(118	)
Accounts payable and other liabilities		1,396			(968	)
Deferred revenue		3,421			1,311
Net cash provided by operating activities		211,716			199,994
Investing Activities
Acquisition of storage facilities, net of cash acquired		(417,930	)		(354,712	)
Improvements, equipment additions, and construction in progress		(37,622	)		(63,645	)
Net proceeds from the sale of real estate		—			207,568
Return of investment in unconsolidated joint ventures		28,008			—
Investment in unconsolidated joint ventures		(21,862	)		(19,347	)
Loans to unconsolidated subsidiaries		(35,850	)		—
Loan payments received from unconsolidated subsidiaries		35,850			—
Property deposits		(129	)		(767	)
Net cash used in investing activities		(449,535	)		(230,903	)
Financing Activities
Net proceeds from sale of common stock		155,614			375
Proceeds from line of credit		285,000			225,000
Repayments of line of credit		(350,000	)		(291,000	)
Proceeds from term notes, net of discount		398,096			348,166
Repayment of term notes		—			(100,000	)
Debt issuance costs		(3,480	)		(3,099	)
Dividends paid - common stock		(150,357	)		(139,914	)
Distributions to noncontrolling interest holders		(785	)		(745	)
Payments to acquire equity in consolidated subsidiary from noncontrolling interests		(2,000	)		—
Redemption of Operating Partnership Units		(265	)		(145	)
Mortgage principal payments		(306	)		(293	)
Net cash provided by financing activities		331,517			38,345
Net increase in cash and restricted cash		93,698			7,436
Cash and restricted cash at beginning of period		21,556			14,065
Cash and restricted cash at end of period	$	115,254		$	21,501
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	$	57,816		$	52,267
Cash paid for income taxes, net of refunds	$	859		$	1,485

See notes to consolidated financial statements.

7

LIFE STORAGE LP

CONSOLIDATED BALANCE SHEETS

(dollars in thousands)	September 30, 2020 (unaudited)			December 31, 2019
Assets
Investment in storage facilities:
Land	$	937,030		$	884,235
Building, equipment, and construction in progress		4,263,222			3,865,238
		5,200,252			4,749,473
Less: accumulated depreciation		(842,592	)		(756,333	)
Investment in storage facilities, net		4,357,660			3,993,140
Cash and cash equivalents		110,247			17,458
Accounts receivable		13,970			12,218
Receivable from unconsolidated joint ventures		3,223			1,302
Investment in unconsolidated joint ventures		143,633			154,984
Prepaid expenses		10,601			7,771
Trade name		16,500			16,500
Other assets		33,221			29,591
Total Assets	$	4,689,055		$	4,232,964
Liabilities
Line of credit	$	—		$	65,000
Term notes, net		2,254,783			1,858,271
Accounts payable and accrued liabilities		107,980			103,942
Deferred revenue		16,204			11,699
Mortgages payable		34,352			34,851
Total Liabilities		2,413,319			2,073,763
Limited partners’ redeemable capital interest at redemption value (243,966 and 246,466    units outstanding at September 30, 2020 and December 31, 2019, respectively)		25,848			26,307
Partners’ Capital
General partner (484,429 and 469,225 units outstanding at September 30, 2020 and    December 31, 2019, respectively)		22,759			21,594
Limited partners (47,714,579 and 46,206,708 units outstanding at September 30, 2020    and December 31, 2019, respectively)		2,232,399			2,117,258
Accumulated other comprehensive loss		(5,270	)		(5,958	)
Total Controlling Partners’ Capital		2,249,888			2,132,894
Noncontrolling interest in consolidated subsidiary		—			—
Total Partners’ Capital		2,249,888			2,132,894
Total Liabilities and Partners’ Capital	$	4,689,055		$	4,232,964

See notes to consolidated financial statements.

8

LIFE STORAGE LP

CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
(dollars in thousands, except per unit data)	2020			2019			2020			2019
Revenues
Rental income	$	135,965		$	128,565		$	393,701		$	381,625
Other operating income		20,345			17,069			56,565			45,561
Total operating revenues		156,310			145,634			450,266			427,186
Expenses
Property operations and maintenance		36,199			32,215			101,297			96,809
Real estate taxes		17,729			16,116			52,751			48,427
General and administrative		13,369			11,554			38,498			34,401
Payments for rent		—			75			—			358
Depreciation and amortization		33,018			26,854			90,335			79,239
Total operating expenses		100,315			86,814			282,881			259,234
Gain on sale of storage facilities		—			100,222			—			100,222
Gain on sale of real estate		—			—			302			1,076
Income from operations		55,995			159,042			167,687			269,250
Other income (expenses)
Interest expense		(20,544	)		(19,760	)		(61,056	)		(56,339	)
Interest income		8			289			14			340
Equity in income of joint ventures		1,829			1,175			3,915			3,095
Net income		37,288			140,746			110,560			216,346
Net income attributable to noncontrolling interest    in the Operating Partnership		(193	)		(744	)		(576	)		(1,148	)
Net loss attributable to noncontrolling interest    in consolidated subsidiary		—			—			—			—
Net income attributable to common unitholders	$	37,095		$	140,002		$	109,984		$	215,198
Earnings per common unit attributable to    common unitholders – basic	$	0.78		$	3.00		$	2.34		$	4.62
Earnings per common unit attributable to    common unitholders – diluted	$	0.78		$	2.99		$	2.34		$	4.61
Common units used in basic earnings per unit    calculation		47,223,842			46,586,030			46,915,323			46,577,704
Common units used in diluted earnings per unit    calculation		47,299,906			46,657,105			46,985,647			46,641,673
Distributions declared per common unit	$	1.07		$	1.00		$	3.21		$	3.00
Net income attributable to general partner	$	373		$	1,408		$	1,106		$	2,163
Net income attributable to limited partners	$	36,722		$	138,594		$	108,878		$	213,035

See notes to consolidated financial statements.

9

LIFE STORAGE LP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
(dollars in thousands)	2020			2019			2020			2019
Net income	$	37,288		$	140,746		$	110,560		$	216,346
Other comprehensive income:
Effective portion of gain on derivatives net of    reclassification to interest expense		230			229			688			687
Total comprehensive income		37,518			140,975			111,248			217,033
Comprehensive income attributable to noncontrolling    interest in the Operating Partnership		(194	)		(745	)		(580	)		(1,152	)
Comprehensive loss attributable to noncontrolling interest    in consolidated subsidiary		—			—			—			—
Comprehensive income attributable to common unitholders	$	37,324		$	140,230		$	110,668		$	215,881

See notes to consolidated financial statements.

10

LIFE STORAGE LP

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

(dollars in thousands)	Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Operating Activities
Net income	$	110,560		$	216,346
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		90,335			79,239
Amortization of debt issuance costs and bond discount		3,033			2,873
Gain on sale of storage facilities		—			(100,222	)
Gain on sale of real estate		(302	)		(1,076	)
Equity in income of joint ventures		(3,915	)		(3,095	)
Distributions from unconsolidated joint ventures		9,246			7,419
Non-vested stock earned		3,380			3,284
Deferred income taxes		1,266			429
Other		(178	)		—
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable		(1,562	)		(3,132	)
Prepaid expenses		(2,710	)		(2,296	)
Advances to joint ventures		(2,254	)		(118	)
Accounts payable and other liabilities		1,396			(968	)
Deferred revenue		3,421			1,311
Net cash provided by operating activities		211,716			199,994
Investing Activities
Acquisition of storage facilities, net of cash acquired		(417,930	)		(354,712	)
Improvements, equipment additions, and construction in progress		(37,622	)		(63,645	)
Net proceeds from the sale of real estate		—			207,568
Return of investment in unconsolidated joint ventures		28,008			—
Investment in unconsolidated joint ventures		(21,862	)		(19,347	)
Loans to unconsolidated subsidiaries		(35,850	)		—
Loan payments received from unconsolidated subsidiaries		35,850			—
Property deposits		(129	)		(767	)
Net cash used in investing activities		(449,535	)		(230,903	)
Financing Activities
Net proceeds from sale of partnership units		155,614			375
Proceeds from line of credit		285,000			225,000
Repayments of line of credit		(350,000	)		(291,000	)
Proceeds from term notes, net of discount		398,096			348,166
Repayment of term notes		—			(100,000	)
Debt issuance costs		(3,480	)		(3,099	)
Distributions to unitholders		(150,357	)		(139,914	)
Distributions to noncontrolling interest holders		(785	)		(745	)
Payments to acquire equity in consolidated subsidiary from noncontrolling interests		(2,000	)		—
Redemption of Operating Partnership Units		(265	)		(145	)
Mortgage principal payments		(306	)		(293	)
Net cash provided by financing activities		331,517			38,345
Net increase in cash and restricted cash		93,698			7,436
Cash and restricted cash at beginning of period		21,556			14,065
Cash and restricted cash at end of period	$	115,254		$	21,501
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	$	57,816		$	52,267
Cash paid for income taxes, net of refunds	$	859		$	1,485

See notes to consolidated financial statements.

11

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 nine-month period ended September 30, 2020 are not necessarily indicative of the results that may be expected for the year ending December 31, 2020.

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 99.5% ownership interest therein as of September 30, 2020. 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 September 30, 2020, we had an ownership interest in and/or managed 905 self-storage properties in 30 states and Ontario, Canada. Among our 905 self-storage properties are 93 properties that we manage for unconsolidated joint ventures (see Note 10) and 224 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 for cash payment of $2.0 million along with potential for the sellers to receive additional future payment based on the 2023 results of Warehouse Anywhere LLC. At the date of acquisition and at September 30, 2020, the Company estimates this potential future payment to be approximately $0.3 million based on the projected 2023 results of 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 243,966 and 246,466 noncontrolling redeemable Operating Partnership Units outstanding at September 30, 2020 and December 31, 2019, 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 September 30, 2020 and December 31, 2019, 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)	Nine Months Ended September 30, 2020
Beginning balance	$	26,307
Net income attributable to noncontrolling interest in the    Operating Partnership		576
Redemption of units		(265	)
Distributions		(785	)
Adjustment to redemption value		15
Ending balance	$	25,848

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 September 30, 2020		Three Months Ended September 30, 2019		Nine Months Ended September 30, 2020		Nine Months Ended September 30, 2019
Rental income	$	135,965	$	128,565	$	393,701	$	381,625
Management and acquisition fee income		4,518		3,809		13,107		10,156
Revenues related to tenant reinsurance		11,616		9,170		32,508		23,948
Other		4,211		4,090		10,950		11,457
Total operating revenues	$	156,310	$	145,634	$	450,266	$	427,186

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 nine months ended September 30, 2020, approximately 19% and 13% of the Company’s revenue was derived from self-storage facilities in the states of Texas and Florida, respectively.

Commencing April 1, 2019, the Company launched a tenant self-storage insurance program whereby a captive wholly owned subsidiary of the Company reinsures certain risks relating to property stored by its tenants. In connection with this program, the Company’s prior arrangement with a third-party insurer was terminated. The change in tenant insurance programs resulted in an increase to both tenant reinsurance revenues and related expenses for the nine months ended September 30, 2020 as compared to the nine months ended September 30, 2019 as a result of the differences in the accounting for the two programs.

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 September 30, 2020 and 2019, the Company recorded compensation expense of $1,107,000 and $955,000, respectively, related to amortization of non-vested stock grants and performance-based awards. For the nine months ended September 30, 2020 and 2019, the Company recorded compensation expense of $3,380,000 and $3,284,000, 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 and nine months ended September 30, 2020 and 2019. During the three months ended September 30, 2020 and 2019, 379 and 375 shares of non-vested stock, respectively, vested. During the nine months ended September 30, 2020 and 2019, 17,775 and 23,948 shares of non-vested stock, respectively, vested.

During the nine months ended September 30, 2020, the Company issued 16,415 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

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issued during the nine months ended September 30, 2020 ranged from $87.59 to $108.20, resulting in an aggregate fair value of $1.5 million.

During the nine months ended September 30, 2020, the Company granted performance-based awards that entitle recipients to earn up to 7,294 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 $0.4 million.

4. CASH AND RESTRICTED CASH

Restricted cash represents 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)	September 30, 2020		December 31, 2019		September 30, 2019
Cash	$	110,247	$	17,458	$	16,371
Restricted cash		5,007		4,098		5,130
Total cash and restricted cash	$	115,254	$	21,556	$	21,501

5. INVESTMENT IN STORAGE FACILITIES AND INTANGIBLE ASSETS

The following summarizes our activity in storage facilities during the nine months ended September 30, 2020:

(dollars in thousands)
Cost:
Beginning balance	$	4,749,473
Acquisition of storage facilities		413,022
Improvements and equipment additions		43,888
Net decrease in construction in progress		(5,884	)
Dispositions		(247	)
Ending balance	$	5,200,252
Accumulated Depreciation:
Beginning balance	$	756,333
Additions during the period		86,424
Dispositions		(165	)
Ending balance	$	842,592

The Company acquired 31 self-storage facilities during the nine months ended September 30, 2020. 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 2020 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		Mortgage Assumed		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		Construction in Progress		In-Place Customers Leases
CA		6	3/9/2020	$	124,298	$	124,204	$	—	$	94	$	20,307	$	101,734	$	582	$	1,675
FL, GA, NJ, OH, PA, TX		25	9/29/2020		295,310		293,726		—		1,584		32,555		257,844		—		4,911
Total acquired in 2020		31		$	419,608	$	417,930	$	—	$	1,678	$	52,862	$	359,578	$	582	$	6,586

The six facilities purchased in the first quarter of 2020 were acquired from 191 III Life Storage Holdings LLC (“191 III”), an unconsolidated joint venture in which the Company holds a 20% ownership interest. Seventeen of the 25 facilities purchased in the third quarter of 2020 were acquired from Sovran HHF Storage Holdings LLC (“Sovran HHF”) and eight of the 25 facilities purchased in the third quarter of 2020 were acquired from Sovran HHF Storage Holdings II LLC (“Sovran HHF II”), unconsolidated joint ventures in which the Company holds 20% and 15% ownership interests, respectively. In accordance with ASC Topic 970, “Real Estate – General,” the Company recorded its equity in the profit from the sales of these self-storage facilities as a reduction in the

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respective purchase price allocated to land and depreciable fixed assets. In addition to the $124.2 million cash payment for the six self-storage facilities acquired from 191 III, the Company also recognized $8.4 million as a return on the Company’s investment in 191 III as discussed further in Note 10. In addition to the $293.7 million cash payments combined for the 25 self-storage facilities acquired from Sovran HHF and Sovran HHF II, the Company also recognized $32.7 million as a return on the Company’s investment in Sovran HHF and Sovran HHF II as discussed further in Note 10.

Non-cash investing activities during the nine months ended September 30, 2020 include the assumption of net other liabilities totaling $1.7 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)	September 30, 2020			December 31, 2019
In-place customer leases	$	85,327		$	78,741
Accumulated amortization		(79,642	)		(75,832	)
Net carrying value at the end of period	$	5,685		$	2,909

Amortization expense related to in-place customer leases was $1.1 million and $3.8 million for the three and nine months ended September 30, 2020, respectively, and $0.8 million and $1.7 million for the three and nine months ended September 30, 2019, respectively.

Change in Useful Life Estimates

As part of the Company’s capital improvement efforts during 2018, 2019, and 2020, 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 $4.4 million during both the three and nine months ended September 30, 2020 and $0.3 million and $1.1 million during the three and nine months ended September 30, 2019, respectively. The Company estimates that due to buildings recently identified for replacement, the change in estimated useful lives of buildings identified for replacement as of September 30, 2020 will result an increase in depreciation expense of approximately $1.1 million during the remainder of 2020 and an additional $1.1 million during the first quarter of 2021.

The accelerated depreciation resulting from the events discussed above reduced both basic and diluted earnings per share/unit by approximately $0.09 for both the three and nine months ended September 30, 2020 and by less than $0.01 and by approximately $0.02 for the three and nine months ended September 30, 2019, respectively.

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)	September 30, 2020			December 31, 2019
Revolving line of credit borrowings	$	—		$	65,000
Term note due August 5, 2021		100,000			100,000
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			—
Total term note principal balance outstanding	$	2,275,000		$	1,875,000
Less: unamortized debt issuance costs		(13,277	)		(11,146	)
Less: unamortized senior term note discount		(6,940	)		(5,583	)
Term notes payable	$	2,254,783		$	1,858,271

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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. 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 September 30, 2020 the margin is 0.95%), interest on term notes at a variable annual rate equal to LIBOR plus a margin based on the Company’s credit rating (at September 30, 2020 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 September 30, 2020 the facility fee is 0.15%). The interest rate on the Company’s revolving credit facility at September 30, 2020 was approximately 1.13% (2.75% at December 31, 2019) and the interest rate on any term notes at September 30, 2020 was approximately 1.18% (2.80% at December 31, 2019). The $100 million principal on the term note was paid off in 2019 in conjunction with the issuance of the 2029 Senior Notes which are discussed further below. At September 30, 2020 there was $499.9 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 September 30, 2020, 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.

In 2011, the Company entered into a $100 million term note maturing August 5, 2021 bearing interest at a fixed rate of 5.54%. The interest rate on the term note increases to 7.29% if the notes are not rated by at least one rating agency, the credit rating on the notes is downgraded or if the Company’s credit rating is downgraded. On October 9, 2020, the Company paid off this $100 million term note in addition to making a make-whole payment of $4.0 million required as a result of paying off the term note prior to its maturity.

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 September 30, 2020, 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 September 30, 2020, 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.

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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 September 30, 2020 and December 31, 2019. Amortization expense related to deferred debt issuance costs was $0.6 million for each of the three months ended September 30, 2020 and 2019, and $1.8 million and $1.7 million for the nine months ended September 30, 2020 and 2019, respectively, and is included in interest expense in the consolidated statements of operations.

7. MORTGAGES PAYABLE AND DEBT MATURITIES

Mortgages payable at September 30, 2020 and December 31, 2019 consist of the following:

(dollars in thousands)	September 30, 2020		December 31, 2019
4.98% mortgage note due January 1, 2021, secured by one    self-storage facility with an aggregate net book value of $9.3    million, principal and interest paid monthly    (effective interest rate 5.26%)	$	2,763	$	2,807
4.065% mortgage note due April 1, 2023, secured by one self-    storage facility with an aggregate net book value of $7.2    million, principal and interest paid monthly    (effective interest rate 4.34%)		3,858		3,932
5.26% mortgage note due November 1, 2023, secured by one    self-storage facility with an aggregate net book value of $7.9    million, principal and interest paid monthly    (effective interest rate 5.61%)		3,747		3,800
4.4625% mortgage notes due December 6, 2024, secured by    three self-storage facilities with an aggregate net book value    of $55.0 million, principal and interest paid monthly    (effective interest rate 3.19%)		22,749		22,942
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 6.38%)		1,235		1,370
Total mortgages payable	$	34,352	$	34,851

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The table below summarizes the Company’s debt obligations at September 30, 2020. 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)	2020		2021		2022		2023		2024		Thereafter		Total		Fair Value
Line of credit - variable rate    LIBOR + 0.95% (1.13% at   September 30, 2020)		—		—		—		—		—		—	$	—	$	—
Notes Payable:
Term note - fixed rate 5.54%		—	$	100,000		—		—		—		—	$	100,000	$	104,332
Term note - fixed rate 4.533%		—		—		—		—	$	175,000		—	$	175,000	$	197,640
Term note - fixed rate 3.50%		—		—		—		—		—	$	600,000	$	600,000	$	674,845
Term note - fixed rate 3.875%		—		—		—		—		—	$	450,000	$	450,000	$	514,557
Term note - fixed rate 3.67%		—		—		—		—		—	$	200,000	$	200,000	$	224,265
Term note - fixed rate 4.00%		—		—		—		—		—	$	350,000	$	350,000	$	399,957
Term note - fixed rate 2.20%		—		—		—		—		—	$	400,000	$	400,000	$	398,566
Mortgage note - fixed rate 4.98%	$	15	$	2,748		—		—		—		—	$	2,763	$	2,769
Mortgage note - fixed rate 4.065%	$	26	$	104	$	108	$	3,620		—		—	$	3,858	$	3,826
Mortgage note - fixed rate 5.26%	$	19	$	78	$	83	$	3,567		—		—	$	3,747	$	3,839
Mortgage notes - fixed rate 4.4625%		—		—		—		—	$	22,749		—	$	22,749	$	21,619
Mortgage note - fixed rate 5.99%	$	46	$	192	$	203	$	216	$	229	$	349	$	1,235	$	1,286
Total	$	106	$	103,122	$	394	$	7,403	$	197,978	$	2,000,349	$	2,309,352

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 and nine months ended September 30, 2020 and 2019 are summarized as follows:

(dollars in thousands)	Three Months Ended September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Accumulated other comprehensive loss beginning    of period	$	(5,500	)	$	(6,417	)	$	(5,958	)	$	(6,875	)
Realized loss reclassified from accumulated other    comprehensive loss to interest expense		230			229			688			687
Accumulated other comprehensive loss end of period	$	(5,270	)	$	(6,188	)	$	(5,270	)	$	(6,188	)

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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 September 30, 2020 and December 31, 2019.

10. INVESTMENT IN JOINT VENTURES

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

Venture	Number of Properties at September 30, 2020		Company common ownership interest at September 30, 2020	Carrying value of investment at September 30, 2020		Carrying value of investment at December 31, 2019
Sovran HHF Storage Holdings LLC (“Sovran HHF”)1	36		20%	$61.3 million		$83.1 million
Sovran HHF Storage Holdings II LLC (“Sovran HHF II”)2	22		15%	$27.3 million		$13.9 million
191 III Life Storage Holdings LLC (“191 III”)3		—	20%		—	$8.9   million
Life Storage-SERS Storage LLC (“SERS”)	3		20%	$3.0   million		$3.2   million
Life Storage-HIERS Storage LLC (“HIERS”)4	17		20%	$14.4 million		$14.9 million
Iskalo Office Holdings, LLC (“Iskalo”)5	N/A		49%	($0.3   million)		($0.4   million)
Bluebird Sanford Storage LP ("Sanford")6	1		15%	$0.3   million		$0.3   million
Bluebird Ingram Storage LP ("Ingram")7	1		15%	$1.1   million		$1.2   million
Life Storage Spacemax, LLC ("Spacemax")8	6		40%	$16.8 million		$16.1 million
Life Storage Virtus, LLC ("Virtus")9	1		20%	$1.5   million			—
Joint ventures with properties in development stage10	5		Various	$6.4   million		$3.1   million
Other unconsolidated joint ventures (6 joint ventures)	6		Various	$10.0 million		$10.3 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 September 30, 2020, 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 has been placed into escrow until non-recourse loans related to these properties are able to be paid which is expected to occur in 2021. Also in connection with this transaction, the Company made a $12.7 million contribution to Sovran HHF II.

³ 191 III owned six self-storage facilities in California. The Company acquired these six self-storage facilities and related assets from 191 III in March 2020 for total contractual consideration of $124.2 million, which is net of the Company’s share of 191 III’s gain resulting from the transaction. In connection with this transaction, the non-recourse mortgage loan previously entered into by 191 III was settled. See Note 5 for additional information regarding this transaction. As 191 III no longer operates any self-storage facilities subsequent to the sale of the six self-storage facilities to the Company, the Company received a distribution of $8.4 million in March 2020 as the Company’s return of its remaining investment in 191 III. 191 III is expected to be dissolved later in 2020.

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⁴ In November 2019, HIERS acquired five self-storage facilities for a total of $56.3 million. In connection with the acquisition of these self-storage facilities, HIERS entered into $27.6 million of mortgage debt which is secured by the self-storage facilities acquired. During 2019, the Company contributed $5.7 million as is its share of capital to fund the acquisition of these five self-storage facilities.

⁵ Iskalo owns the building that houses the Company’s headquarters. The Company paid rent to Iskalo of $0.9 million during each of the nine months ended September 30, 2020 and 2019.

⁶ In March 2019, the Company executed a joint venture agreement, Bluebird Sanford Storage LP, with an unrelated third-party with the purpose of acquiring and operating a self-storage facility. During 2019, Sanford acquired a self-storage facility for a total of $4.9 million. In connection with this acquisition, Sanford entered into $3.2 million of non-recourse mortgage debt. During 2019, the Company contributed $0.3 million to Sanford as the Company’s share of the initial capital investment in the joint venture.

⁷ In March 2019, the Company executed a joint venture agreement, Bluebird Ingram Storage, LP, with an unrelated third-party with the purpose of acquiring, further developing, and operating a self-storage facility. During 2019, Ingram acquired a self-storage facility for a total of $20.7 million. In connection with this acquisition, Ingram entered into $17.6 million of non-recourse mortgage debt. During 2019, the Company contributed $1.3 million to Ingram as the Company’s share of the initial capital investment in the joint venture.

⁸ In August 2019, the Company executed a joint venture agreement, Life Storage Spacemax, LLC, with an unrelated third-party with the purpose of acquiring and operating self-storage facilities. During 2019, Spacemax acquired six self-storage facilities for a total of $82.7 million. In connection with this acquisition, Spacemax entered into $42.0 million of non-recourse mortgage debt. During 2019, the Company contributed $16.3 million to Spacemax as the Company’s share of the initial capital investment in the joint venture.  

⁹ 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.

¹⁰ The Company has entered into five separate joint ventures, two of which are developing self-storage facilities in Ontario, Canada, and three of which are developing self-storage facilities in the New York City market. The Company has contributed an aggregate total of $6.4 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 only one of the joint ventures is a variable interest entity (“VIE”) in accordance with ASC 810, “Consolidation.” As the Company does not have the power to direct the activities of the joint venture that is considered a VIE, the VIE joint venture is not consolidated by the Company. The Company used the voting model under ASC 810 for all joint ventures not considered a VIE 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 are consolidated by the Company. Due to the Company’s significant influence over the operations of each of the joint ventures, all 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 $2.2 million and $2.2 million for the three months ended September 30, 2020 and 2019, respectively, and $6.7 million and $6.4 million for the nine months ended September 30, 2020 and 2019, respectively.

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

(dollars in thousands) Venture	Three Months Ended September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Sovran HHF	$	1,320		$	934		$	3,103		$	2,643
Sovran HHF II		642			474			1,543			1,364
Other unconsolidated joint ventures		(133	)		(233	)		(731	)		(912	)
	$	1,829		$	1,175		$	3,915		$	3,095

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A summary of the combined unconsolidated joint ventures’ financial statements as of and for the nine months ended September 30, 2020 is as follows:

(dollars in thousands)
Balance Sheet Data:
Investment in storage facilities, net	$	1,083,191
Investment in office building, net		4,109
Other assets		68,834
Total Assets	$	1,156,134
Due to the Company	$	3,223
Mortgages payable		525,713
Other liabilities		24,761
Total Liabilities	$	553,697
Unaffiliated partners’ equity		459,105
Company equity		143,332
Total Partners’ Equity		602,437
Total Liabilities and Partners’ Equity	$	1,156,134
Income Statement Data:
Total revenues	$	99,902
Property operating expenses		(31,102	)
Administrative, management and call center fees		(5,547	)
Gain on disposal of self-storage facilities		217,607
Depreciation and amortization of customer list		(23,383	)
Amortization of financing fees		(590	)
Income tax expense		(235	)
Interest expense		(17,638	)
Net income	$	239,014

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 $1.0 million and $0.5 million for the three months ended September 30, 2020 and 2019, respectively. The Company recorded federal and state income tax expense of $2.6 million and $1.7 million for the nine months ended September 30, 2020 and 2019, respectively. These income tax expenses are included in general and administrative expenses in the consolidated statements of operations. At September 30, 2020 and 2019, there were no material unrecognized tax benefits. Interest and penalties relating to uncertain tax positions will be recognized in income tax expense when incurred. As of September 30, 2020 and 2019, the Company had no interest or penalties related to uncertain tax positions. 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 expense. As of September 30, 2020, the Company’s taxable REIT subsidiaries have deferred tax assets totaling $0.3 million and a deferred tax liability of $2.4 million. As of December 31, 2019, the Company’s taxable REIT subsidiaries have deferred tax assets of $1.6 million and a deferred tax liability of $2.4 million. The tax years 2016-2019 remain open to examination by the major taxing jurisdictions to which the Company is subject.

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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 September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Numerator:
Net income attributable to common shareholders	$	37,095		$	140,002		$	109,984		$	215,198
Net income attributable to unvested restricted shares		(66	)		(272	)		(65	)		(136	)
Net income attributable to outstanding common shares	$	37,029		$	139,730		$	109,919		$	215,062
Denominator:
Denominator for basic earnings per share – weighted    average shares		47,224			46,586			46,915			46,578
Effect of Dilutive Securities:
Stock options and non-vested stock		76			71			71			64
Denominator for diluted earnings per share – adjusted    weighted average shares and assumed conversion		47,300			46,657			46,986			46,642
Basic earnings per common share attributable to    common shareholders	$	0.78		$	3.00		$	2.34		$	4.62
Diluted earnings per common share attributable to    common shareholders	$	0.78		$	2.99		$	2.34		$	4.61

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 September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Numerator:
Net income attributable to common unitholders	$	37,095		$	140,002		$	109,984		$	215,198
Net income attributable to unvested restricted units		(66	)		(272	)		(65	)		(136	)
Net income attributable to outstanding units	$	37,029		$	139,730		$	109,919		$	215,062
Denominator:
Denominator for basic earnings per unit – weighted    average units		47,224			46,586			46,915			46,578
Effect of Dilutive Securities:
Stock options and non-vested stock		76			71			71			64
Denominator for diluted earnings per unit – adjusted    weighted average units and assumed conversion		47,300			46,657			46,986			46,642
Basic earnings per common unit attributable to    common unitholders	$	0.78		$	3.00		$	2.34		$	4.62
Diluted earnings per common unit attributable to    common unitholders	$	0.78		$	2.99		$	2.34		$	4.61

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Not included in the effect of dilutive securities above for both earnings per share and earnings per unit are 92,123 unvested restricted shares for the three months ended September 30, 2020, and 73,816 unvested restricted shares for the three months ended September 30, 2019, because their effect would be antidilutive. Not included in the effect of dilutive securities above for both earnings per share and earnings per unit are 102,714 unvested restricted shares for the nine months ended September 30, 2020, and 76,565 unvested restricted shares for the nine months ended September 30, 2019, 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 nine months ended September 30, 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
Earned portion of non-vested stock		—		1,071			—			—			1,071
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,609	)		—			(2,609	)
Net income attributable to common shareholders		—		—			36,457			—			36,457
Amortization of terminated hedge included in    AOCL		—		—			—			229			229
Dividends		—		—			(50,186	)		—			(50,186	)
Balance June 30, 2020		469		2,400,382			(262,670	)		(5,500	)		2,132,681
Net proceeds from issuance of common stock		13		134,213			—			—			134,226
Earned portion of non-vested stock		—		1,107			—			—			1,107
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,948	)		—			(2,948	)
Purchases of equity in consolidated subsidiary from    noncontrolling interests		—		(2,300	)		—			—			(2,300	)
Net income attributable to common shareholders		—		—			37,095			—			37,095
Amortization of terminated hedge included in    AOCL		—		—			—			230			230
Dividends		—		—			(50,203	)		—			(50,203	)
Balance September 30, 2020	$	482	$	2,533,402		$	(278,726	)	$	(5,270	)	$	2,249,888

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The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the nine months ended September 30, 2019:

(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, 2018	$	466	$	2,372,157	$	(308,011	)	$	(6,875	)	$	2,057,737
Earned portion of non-vested stock		—		1,396		—			—			1,396
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(294	)		—			(294	)
Net income attributable to common shareholders		—		—		34,454			—			34,454
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,631	)		—			(46,631	)
Balance March 31, 2019		466		2,373,553		(320,482	)		(6,646	)		2,046,891
Issuance of non-vested stock		1		—		—			—			1
Earned portion of non-vested stock		—		839		—			—			839
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(150	)		—			(150	)
Net income attributable to common shareholders		—		—		40,742			—			40,742
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,632	)		—			(46,632	)
Balance June 30, 2019		467		2,374,392		(326,522	)		(6,417	)		2,041,920
Exercise of stock options		—		469		—			—			469
Earned portion of non-vested stock		—		955		—			—			955
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(1,606	)		—			(1,606	)
Net income attributable to common shareholders		—		—		140,002			—			140,002
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,651	)		—			(46,651	)
Balance September 30, 2019	$	467	$	2,375,816	$	(234,777	)	$	(6,188	)	$	2,135,318

On June 14, 2018, the Company entered into a continuous equity offering program (“Equity Program”) with multiple sales agents, pursuant to which the Company may sell up to $300 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 nine-month period ended September 30, 2020, the Company issued 1,475,949 shares of common stock under the Equity Program at a weighted average issue price of $106.64 per share, generating net proceeds of $155.8 million after deducting $1.6 million of sales commissions paid to the sales agents, as well as other expenses of $0.2 million. The Company used such proceeds primarily to fund a portion of the acquisition of the 31 storage facilities during the nine months ended September 30, 2020.

During the nine months ended September 30, 2019, the Company did not issue any shares of common stock under the Equity Program.

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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 nine months ended September 30, 2020 or during 2019.

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 nine months ended September 30, 2020 and 2019.  

14. PARTNERS’ CAPITAL

The following is a reconciliation of the changes in total partners’ capital for the nine months ended September 30, 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
Earned portion of non-vested stock		11			1,060			—			1,071
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,609	)		—			(2,609	)
Net income attributable to common unitholders		366			36,091			—			36,457
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(504	)		(49,682	)		—			(50,186	)
Balance June 30, 2020		21,558			2,116,623			(5,500	)		2,132,681
Net proceeds from issuance of Operating Partnership Units		1,342			132,884			—			134,226
Earned portion of non-vested stock		12			1,095			—			1,107
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,948	)		—			(2,948	)
Purchases of equity in consolidated subsidiary from    noncontrolling interests		(23	)		(2,277	)		—			(2,300	)
Net income attributable to common unitholders		373			36,722			—			37,095
Amortization of terminated hedge included in AOCL		2			(2	)		230			230
Distributions		(505	)		(49,698	)		—			(50,203	)
Balance September 30, 2020	$	22,759		$	2,232,399		$	(5,270	)	$	2,249,888

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The following is a reconciliation of the changes in total partners’ capital for the nine months ended September 30, 2019:

(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, 2018	$	20,816		$	2,043,796		$	(6,875	)	$	2,057,737
Earned portion of non-vested stock		14			1,382			—			1,396
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(294	)		—			(294	)
Net income attributable to common unitholders		347			34,107			—			34,454
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,162	)		—			(46,631	)
Balance March 31, 2019		20,710			2,032,827			(6,646	)		2,046,891
Earned portion of non-vested stock		9			831			—			840
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(150	)		—			(150	)
Net income attributable to common unitholders		409			40,333			—			40,742
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,163	)		—			(46,632	)
Balance June 30, 2019		20,661			2,027,676			(6,417	)		2,041,920
Exercise of stock options		4			465			—			469
Earned portion of non-vested stock		10			945			—			955
Carrying value less than redemption value on    redeemed noncontrolling interest		(1	)		1			—			—
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(1,606	)		—			(1,606	)
Net income attributable to common unitholders		1,408			138,594			—			140,002
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,182	)		—			(46,651	)
Balance September 30, 2019	$	21,615		$	2,119,891		$	(6,188	)	$	2,135,318

15. RECENT ACCOUNTING PRONOUNCEMENTS

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credit Losses (Topic 326)” which makes significant changes to the accounting for credit losses on financial instruments and related disclosures about them. ASU 2016-13 is effective for annual periods beginning after December 15, 2019, and interim periods with those annual periods, and is therefore effective for the Company as of January 1, 2020. The adoption of ASU 2016-13 did not have a material impact to the Company on the date of adoption.

In August 2018, the FASB Issued ASU 2018-15, Intangibles – Goodwill and Other – Internal Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract, which provides guidance to assist entities in accounting for implementation, setup, and other upfront costs (collectively referred to as implementation costs) incurred by entities that are a customer in a hosting arrangement that is a service contract. The amendments in this update are effective for annual periods beginning after December 15, 2019, and interim periods within those annual periods. The adoption of ASU 2018-15 on January 1, 2020 did not have a material impact on the Company, though treatment of certain costs related to future cloud computing arrangements could be affected.

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 September 30, 2020. At September 30, 2020 and December 31, 2019, the Company’s aggregate right-of-use assets total $20.6 million and $20.2 million, respectively, and are included in other assets on the consolidated balance sheet. The related lease liabilities at September 30, 2020 and December 31, 2019 total $20.2 million and $19.9 million, respectively, and are included in accounts payable and accrued liabilities on the consolidated balance sheet.  

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Expenses related to operating leases totaled $0.5 million and $0.6 million for the three months ended September 30, 2020 and 2019, respectively, and $1.6 million and $1.9 million for the nine months ended September 30, 2020 and 2019, respectively. At September 30, 2020, the weighted average remaining lease term and weighted average discount rate for the Company’s operating leases were 11.7 years and 4.66%, respectively.

At September 30, 2020, the Company has approximately $26.6 million of operating lease commitments, excluding variable consideration. The undiscounted future minimum lease payments are summarized by year in the table below:

(in thousands)
2020	$	449
2021		2,388
2022		2,388
2023		2,388
2024		2,374
Thereafter		16,583
Total	$	26,570

The difference between the amounts included in the table above and the aggregate lease liability recorded in the accompanying consolidated balance sheet at September 30, 2020 is the result of the impact of the discount rate on future minimum lease payments.

At September 30, 2020, the Company was under contract to acquire three self-storage facilities for an aggregate purchase price of $37.9 million. On November 5, 2020, the Company completed the acquisition of one of these self-storage facilities for a purchase price of $13.7 million. The purchases of the remaining two facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

At March 31, 2020, the Company was under contract to sell one of its self-storage facilities for $19.0 million. The sale of this self-storage facility did not occur and the Company is no longer under contract to sell this self-storage facility at September 30, 2020.

At September 30, 2020, the Company has signed contracts in place with third-party contractors for expansion and enhancements at its existing facilities. The Company expects to pay $16.0 million under these contracts in 2020 and 2021.

17. SUBSEQUENT EVENTS

On October 1, 2020, the Company declared a quarterly dividend of $1.07 per common share. The dividend was paid on October 26, 2020 to shareholders of record on October 13, 2020. The total dividend paid amounted to $52.0 million.     

As further discussed in Note 6, the Company paid off a $100 million term note on October 9, 2020.

Subsequent to September 30, 2020, the Company entered into contracts to acquire five self-storage facilities for an aggregate purchase price of $59.6 million. The purchases of these facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

As discussed in Note 16, on November 5, 2020, the Company acquired a self-storage facility for a purchase price of $13.7 million.

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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.

COVID-19 GLOBAL HEALTH CRISIS

The emergence of the COVID-19 global health crisis has had a profound impact on human health, the global economy and society at large. Life Storage has been actively addressing COVID-19, with teams working to mitigate the potential impacts to our people and our business. To support its employees and to mitigate the impact of the COVID-19 global health crisis on our operations, the Company has (i) increased paid time off for COVID-19 related reasons; (ii) instituted enhanced health plan changes to cover certain COVID-19 related costs; (iii) installed counter standing acrylic screens (“sneeze guards”) and provided personal protective equipment to employees (e.g. masks, gloves) in certain stores; and (iv) minimized employee contact by mobilizing support teams at our corporate headquarters to work from home and implemented social distancing and precautionary measures in all of the Company’s stores.

Although the COVID-19 global health crisis had an adverse effect on the Company’s financial results in the second quarter of 2020, some of those metrics have returned to normal levels or improved in the third quarter of 2020. While same store move-ins decreased in April, same store move-ins from May through September have exceeded 2019 levels, although at reduced rental rates. Beginning in April 2020, the Company suspended all auction activity in response to the COVID-19 global health crisis. While auctions have been reinstituted in virtually all markets, there are still a few markets where the Company is prohibited from resuming normal auction activity. The net impact of this activity resulted in an increase in same store occupancy from 90.3% at September 30, 2019 to 93.2% at September 30, 2020. However, the reduction in move-out volumes may be temporary or even reverse to the extent that our customers are influenced by any governmental stay-at-home orders and the delay in our auction process resulting from the COVID-19 global health crisis. Had we not curtailed our auction process, we estimate that same store occupancy would have been approximately 92.5% at September 30, 2020. During the three months ended September 30, 2020, the Company’s collections of rental income returned to pre-COVID-19 levels. Additionally, earlier in 2020 we curtailed our tenant increase program and experienced a degradation of street rates. Such street rates have improved since the second quarter of 2020, although they remain slightly below prior year same store levels at September 30, 2020. While we reinstitute our auction process and tenant rate increase program in the second half of 2020, we are unable to predict the full magnitude and duration of the impact that the COVID-19 global health crisis will have on our business. Same store move-ins in October 2020 were approximately 7.6% higher than in October 2019 and same store move-outs in October 2020 were 4.4% higher than in October 2019. Same store occupancy at October 31, 2020 was 93.2% as compared to 90.3% at October 31, 2019. Had we not curtailed our auction process, we estimate same store occupancy would have been approximately 92.8% at October 31, 2020.

In addition to the financial impact, we are currently monitoring the impact on our operations. The self-storage industry currently qualifies as “essential” business under all applicable business closure orders. While our stores generally remain open, the Company had temporarily closed the offices at a few of our self-storage facilities that were most significantly impacted by COVID-19 and we have implemented measures to reduce the exposure of our people and our customers at those offices that remain open. As of the date of this report, all of our facilities that had been temporarily impacted are now open. Additionally, we continue to encourage the use of technologies such as our “Rent Now” online rental platform which allows a customer to select and rent a self-storage unit without any face-to-face interaction.

The COVID-19 global health crisis continues to affect the Company’s operations into the fourth quarter of 2020 and may continue to do so indefinitely thereafter.

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 the 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

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negative impact on our capital and growth plans; the Company’s ability to evaluate, finance and integrate acquired businesses 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; and tax law changes that may change the taxability of future income.

RESULTS OF OPERATIONS

FOR THE PERIOD JULY 1, 2020 THROUGH SEPTEMBER 30, 2020, COMPARED TO THE PERIOD JULY 1, 2019 THROUGH SEPTEMBER 30, 2019

We recorded rental revenues of $136.0 million for the three months ended September 30, 2020, an increase of $7.4 million or 5.8% when compared to rental revenues of $128.6 million for the same period in 2019. This increase in rental revenue is being driven by a $1.5 million, or 1.2%, increase in rental revenues at the 515 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 515 core properties considered in same store sales are those included in the consolidated results of operations since January 1, 2019, excluding stores not yet stabilized, the properties we sold in 2019, 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 230 basis point increase in average occupancy, partially offset by a 2.4% decrease in rental income per square foot. Also affecting the overall increase in rental revenues was an increase of $5.9 million in rental revenues contributed by stores not included in the same store pool, primarily those acquired in 2019 and 2020, partially offset by stores sold in 2019. Other operating income, which includes merchandise sales, revenues related to tenant reinsurance, truck rentals, management fees and acquisition fees, increased by $3.3 million for the three months ended September 30, 2020 compared to the same period in 2019 primarily as a result of increased management fees earned as a result of an increase in managed properties and increased revenues related to the Company’s tenant insurance program.

Property operations and maintenance expenses increased $4.0 million or 12.4% in the three months ended September 30, 2020 compared to the same period in 2019. Expenses related to the 515 core properties considered in the same store pool remained fairly consistent at an increase of $0.1 million or 0.6% resulting from the impact of the Company’s investments in technology such as our online rental platform “Rent Now” which has enabled the Company to operate more efficiently, offset by increased internet marketing expense. Same store payroll, repairs and maintenance, utilities, advertising and office and other operating expenses all decreased during the three months ended September 30, 2020 as compared to the same period in 2019 due to the Company’s focus on efficiencies. The overall 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 along with $1.5 million of expenses incurred during the three months ended September 30, 2020 due to damages and customer reinsurance claims resulting from the impact of a hurricane on two of our self-storage facilities. Real estate tax expense increased $1.6 million during the three months ended September 30, 2020 as compared to the same period in 2019. The 515 core properties considered in the same store pool experienced a 6.4% 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 $0.6 million from stores not included in the same store pool.

Net operating income increased $5.1 million or 5.2% resulting from a 0.4% increase in our same store net operating income coupled with an increase of $4.7 million related to the Company’s tenant insurance program, increased management fees, and the properties not included in the same store pool.

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.

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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 September 30, 2020 and 2019.

	Three Months ended September 30,
(dollars in thousands)	2020			2019
Net income	$	37,288		$	140,746
General and administrative		13,369			11,554
Payments for rent		—			75
Depreciation and amortization		33,018			26,854
Gain on sale of storage facilities		-			(100,222	)
Interest expense		20,544			19,760
Interest income		(8	)		(289	)
Equity in income of joint ventures		(1,829	)		(1,175	)
Net operating income	$	102,382		$	97,303
Net operating income
Same store	$	84,303		$	83,949
Other stores, tenant reinsurance related income    and management fee income		18,079			13,354
Total net operating income	$	102,382		$	97,303

Our 2020 same store results consist of only those properties that have been owned by the Company and included in our consolidated results since January 1, 2019, excluding stores not yet stabilized, the properties we sold in 2019, four stores significantly impacted by flooding, and two stores that the Company began to fully replace in 2017. The impact of tenant reinsurance related items is excluded from same store results. 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 515 same store properties. These results provide information relating to property operating changes without the effects of acquisitions.

Same Store Summary

	Three Months ended September 30,				Percentage
(dollars in thousands)	2020		2019		Change
Same store rental income	$	124,614	$	123,162		1.2	%
Same store other operating income		1,781		1,764		1.0	%
Total same store operating income		126,395		124,926		1.2	%
Payroll and benefits		9,218		9,460		(2.6	)%
Real estate taxes		16,209		15,241		6.4	%
Utilities		4,085		4,359		(6.3	)%
Repairs and maintenance		3,564		3,583		(0.5	)%
Office and other operating expenses		3,751		3,817		(1.7	)%
Insurance		1,466		1,478		(0.8	)%
Advertising		62		113		(45.1	)%
Internet marketing		3,737		2,926		27.7	%
Total same store operating expenses		42,092		40,977		2.7	%
Same store net operating income	$	84,303	$	83,949		0.4	%

			Change
Quarterly same store move ins	55,365	49,859		5,506
Quarterly same store move outs	51,043	55,325		(4,282	)

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We believe the increase in same store move ins was due to demand from housing transactions that were delayed earlier in 2020, increased demand from customers needing space to work from home, and a reduction in our asking rates for most of the third quarter of 2020 as a result of our response to 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, as a result of the COVID-19 stay-at-home orders, and as a result of a delay in auction activity on past due accounts as a result of various state regulations.

General and administrative expenses for the three months ended September 30, 2020 increased $1.8 million or 15.7% when compared with the three months ended September 30, 2019. This increase was primarily driven by an increase in home office personnel related costs to support the growth in stores and a $0.5 million increase in income tax expense at our taxable REIT subsidiaries as a result of increased activity.

Depreciation and amortization expense increased to $33.0 million in the three months ended September 30, 2020 from $26.9 million in the same period in 2019 as a result of depreciation and customer list amortization related to those properties acquired in 2020 and 2019, along with increased depreciation on self-storage facilities identified for replacement during the three months ended September 30, 2020.

Total interest expense increased $0.8 million in the three months ended September 30, 2020 as compared to the same period in 2019 primarily as a result of increased outstanding debt balances in 2020 as compared to 2019.

FOR THE PERIOD JANUARY 1, 2020 THROUGH SEPTEMBER 30, 2020, COMPARED TO THE PERIOD JANUARY 1, 2019 THROUGH SEPTEMBER 30, 2019

We recorded rental revenues of $393.7 million for the nine months ended September 30, 2020, an increase of $12.1 million or 3.2% when compared to rental revenues of $381.6 million for the same period in 2019. Of this increase in rental revenue, $2.5 million resulted from a 0.7% increase in rental revenues at the 515 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 515 core properties considered in same store sales are those included in the consolidated results of operations since January 1, 2019, excluding stores not yet stabilized, the properties we sold in 2019, 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 70 basis point increase in average occupancy, partially offset by a 0.8% decrease in rental income per square foot. The remaining increase of $9.6 million was a result of stores not included in the same store pool, primarily those acquired in 2019 and 2020 partially offset by stores sold in 2019. Other operating income, which includes merchandise sales, revenues related to tenant reinsurance, truck rentals, management fees and acquisition fees, increased by $11.0 million for the nine months ended September 30, 2020 compared to the same period in 2019 primarily as a result of increased management fees earned as a result of an increase in managed properties and increased revenues related to tenant reinsurance due primarily to the change in the Company’s tenant insurance program effective April 1, 2019.

Property operations and maintenance expenses increased $4.5 million or 4.6% in the nine months ended September 30, 2020 compared to the same period in 2019. Expenses related to the 515 core properties considered in the same store pool decreased by $2.7 million or 3.4% as a result of the impact of the Company’s investments in technology such as our online rental platform “Rent Now” which has enabled the Company to operate more efficiently. Further, same store payroll, repairs and maintenance, utilities, and other operating expenses all decreased during the nine months ended September 30, 2020 as compared to the same period in 2019 due to the Company’s focus on efficiencies. The overall 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 along with $1.5 million of expenses incurred during the nine months ended September 30, 2020 due to damages and customer reinsurance claims resulting from the impact of a hurricane on two of our self-storage facilities, and increases in expenses related to tenant reinsurance due to the change in the Company’s tenant insurance program effective April 1, 2019. Real estate tax expense increased $4.3 million during the nine months ended September 30, 2020 as compared to the same period in 2019. The 515 core properties considered in the same store pool experienced a 6.0% increase in property 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 $14.3 million or 5.1% resulting from a 0.8% increase in our same store net operating income along with an increase of $12.3 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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The following table reconciles our net income presented in the consolidated financial statements to NOI generated by our self-storage facilities for the nine months ended September 30, 2020 and 2019.

	Nine Months ended September 30,
(dollars in thousands)	2020			2019
Net income	$	110,560		$	216,346
General and administrative		38,498			34,401
Payments for rent		—			358
Depreciation and amortization		90,335			79,239
Gain on sale of storage facilities		—			(100,222	)
Gain on sale of real estate		(302	)		(1,076	)
Interest expense		61,056			56,339
Interest income		(14	)		(340	)
Equity in income of joint ventures		(3,915	)		(3,095	)
Net operating income	$	296,218		$	281,950
Net operating income
Same store	$	243,549		$	241,594
Other stores, tenant reinsurance related income    and management fee income		52,669			40,356
Total net operating income	$	296,218		$	281,950

Our 2020 same store results consist of only those properties that have been owned by the Company and included in our consolidated results since January 1, 2019, excluding stores not yet stabilized, the properties we sold in 2019, four stores significantly impacted by flooding, and two stores that the Company began to fully replace in 2017. The impact of tenant reinsurance related items is excluded from same store results. 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 515 same store properties. These results provide information relating to property operating changes without the effects of acquisitions.

Same Store Summary

	Nine Months ended September 30,				Percentage
(dollars in thousands)	2020		2019		Change
Same store rental income	$	363,209	$	360,660		0.7	%
Same store other operating income		4,641		5,155		(10.0	)%
Total same store operating income		367,850		365,815		0.6	%
Payroll and benefits		27,879		29,353		(5.0	)%
Real estate taxes		48,436		45,697		6.0	%
Utilities		10,738		11,699		(8.2	)%
Repairs and maintenance		10,801		12,692		(14.9	)%
Office and other operating expenses		10,838		11,696		(7.3	)%
Insurance		4,407		4,431		(0.5	)%
Advertising		186		708		(73.7	)%
Internet marketing		11,016		7,945		38.7	%
Total same store operating expenses		124,301		124,221		0.1	%
Same store net operating income	$	243,549	$	241,594		0.8	%

			Change
Year-to-date same store move ins	152,499	148,987		3,512
Year-to-date same store move outs	135,953	147,009		(11,056	)

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We believe the increase in same store move ins was due to demand from housing transactions, increased demand from customers needing space to work from home, and a reduction in our asking rates and an increase in incentives offered in the second quarter of 2020 as a result of our response to 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 nine months ended September 30, 2020 increased $4.1 million or 11.9% when compared with the nine months ended September 30, 2019. This increase was primarily driven by increased personnel costs to support the growth in stores, a $1.7 million cost reduction in the second quarter of 2019 relating to the finalization of a legal settlement which did not recur in 2020, $0.8 million of legal costs incurred related to a legal settlement in 2020, and a $0.9 million increase in income tax expense at our taxable REIT subsidiaries as a result of increased activity.

Depreciation and amortization expense increased to $90.3 million in the nine months ended September 30, 2020 from $79.2 million in the same period in 2019 as a result of depreciation and customer list amortization related to those properties acquired in 2020 and 2019.

Total interest expense increased $4.7 million in the nine months ended September 30, 2020 as compared to the same period in 2019 primarily as a result of increased outstanding debt balances in 2020 as compared to 2019.

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 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 September 30,						Nine Months ended September 30,
(in thousands)	2020			2019			2020			2019
Net income attributable to common shareholders	$	37,095		$	140,002		$	109,984		$	215,198
Net income attributable to noncontrolling interests    in the Operating Partnership		193			744			576			1,148
Depreciation of real estate and amortization of    intangible assets exclusive of debt issuance costs		32,417			26,269			88,557			77,797
Depreciation and amortization from unconsolidated    joint ventures		1,024			1,598			4,502			4,468
Gain on sale of storage facilities		—			(100,222	)		—			(100,222	)
Funds from operations allocable to noncontrolling    interest in the Operating Partnership		(367	)		(360	)		(1,060	)		(1,055	)
Funds from operations available to common    shareholders	$	70,362		$	68,031		$	202,559		$	197,334

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LIQUIDITY AND CAPITAL RESOURCES

The COVID-19 global health crisis has impacted the cost of debt and equity and may continue to do so. 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 September 30, 2020, 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 September 30, 2020, 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 $211.7 million and $200.0 million for the nine months ended September 30, 2020 and 2019, respectively. The increase in operating cash flows in the 2020 period compared to the 2019 period was primarily due to the increase in net income after adjusting for non-cash items.

Cash used in investing activities was $449.5 million and $230.9 million for the nine months ended September 30, 2020 and 2019, respectively. The increase in cash used in investing activities in the 2020 period compared to the 2019 period was primarily due to the increased volume of acquisitions in 2020 as compared to the same period in 2019, partially offset by increased return of investment in unconsolidated joint ventures in 2020 along with a reduction in expansions, enhancements and other capital expenditures in 2020. Additionally, the Company received net proceeds of $207.6 million from the sale of real estate during the nine months ended September 30, 2019 which did not recur during the nine months ended September 30, 2020.

Cash provided by financing activities was $331.5 million and $38.3 million for the nine months ended September 30, 2020 and 2019, respectively. The increase is primarily a result of (1) the sale of 1,475,949 shares of common stock under the Company’s continuous equity offering program during the nine months ended September 30, 2020 resulting in net proceeds of $155.6 million, (2) the issuance of $400 million of senior notes during the nine months ended September 30, 2020 as compared to the issuance of $350 million in senior notes during the nine months ended September 30, 2019, and (3) the repayment of $100 million of term notes during the nine months ended September 30, 2019.

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.

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ACQUISITION AND DISPOSITION OF PROPERTIES

During the nine months ended September 30, 2020, the Company acquired 31 self-storage facilities comprising 2.5 million square feet in California (6), Florida (3), Georgia (1), New Jersey (6), Ohio (6), Pennsylvania (4), and Texas (5) from three of the Company’s unconsolidated joint ventures for a total purchase price of $419.6 million, which is net of the Company’s equity in the profit from the sales. The weighted average capitalization rate for these acquisitions was 5.3%. As discussed further in Note 5 and Note 10, the Company holds ownership interests in the joint ventures from which the self-storage facilities were acquired.

In 2019, the Company acquired 30 self-storage facilities comprising 2.2 million square feet in Florida (4), Georgia (1), Maryland (5), Nevada (1), New York (1), New Jersey (2), North Carolina (1), Ohio (3), South Carolina (2), Tennessee (1), Texas (1), Virginia (5), and Washington (3) for a total purchase price of $429.4 million. One of these acquired self-storage facilities resulted from the Company acquiring the remaining 60% of a joint venture. Additionally, one of these self-storage facilities was previously leased by the Company 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 2.5% on these purchases and capitalization rates ranged from 0% on recently constructed facilities to 5.6% on mature facilities.

We may acquire additional stabilized or newly constructed properties in 2020, 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 September 30, 2020, the Company was under contract to acquire three self-storage facilities for an aggregate purchase price of $37.9 million. On November 5, 2020, the Company completed the acquisition of one of these self-storage facilities for a purchase price of $13.7 million. The purchases of the remaining two facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired. Additionally, subsequent to September 30, 2020, the Company entered into contracts to acquire five self-storage facilities for an aggregate purchase price of $59.6 million. The purchases of these facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

During 2019, the Company sold 32 non-strategic self-storage facilities in Louisiana (9), Mississippi (8), North Carolina (4), South Carolina (5), and Texas (6) to an unrelated third-party for net proceeds of $207.6 million, resulting in a gain on sale of approximately $100.2 million. The Company is continuing to manage these self-storage facilities subsequent to the sale.

As part of our ongoing strategy to improve overall operating efficiencies and portfolio quality, we may also seek to sell additional self-storage facilities to third-parties or joint venture partners in 2020.

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 2020, including potential acquisitions by unconsolidated joint ventures, though the COVID-19 global health crisis may delay any future negotiations.

In the nine months ended September 30, 2020, we added 396,000 square feet to existing properties for a total cost of approximately $31.7 million. We plan to complete a total of $9 million to $14 million of expansions and enhancements to our existing facilities in 2020, of which $11.4 million was paid as of September 30, 2020. Total expansions and expansions expected to be completed in 2020 of $41 million to $46 million is a reduction from our original plan to complete $55 million to $65 million of expansions and enhancements to our existing facilities in 2020 as certain projects have been delayed as a result of the impact of the COVID-19 global health crisis.

We also expect to continue investing in capital expenditures on our properties. This includes roofing, paving, and remodeling of store offices. For the nine months ended September 30, 2020, we invested approximately $12.2 million in such improvements and we expect to invest approximately $9 million to $12 million for the remainder of 2020.

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 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.

35

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 September 30, 2020, 243,966 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.

We do not carry any unsecured floating rate debt at September 30, 2020. Therefore, based on our outstanding debt balances at September 30, 2020, a 100 basis point increase in interest rates would not have an effect on our annual interest expense. 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.

36

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 September 30, 2020. 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 September 30, 2020.

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 September 30, 2020. 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 September 30, 2020.

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.

37

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, 2019 (“2019 Annual Report”), which could materially affect our business, financial condition or future results. The risks described in our 2019 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. Except as noted below, we are not aware of any material changes to the Risk Factors discussed in our 2019 Annual Report.

The extent to which the COVID-19 global health crisis will adversely affect our business, results of operations and financial condition is uncertain.

The COVID-19 global health crisis has affected many industries, including real estate, throughout the United States and worldwide, creating significant uncertainty and economic disruption. We have modified, and may further modify, our business practices in response to the COVID-19 global health crisis in an effort to protect our people and our customers. We may experience continued volatility in customer demand, constriction on our ability to increase rental rates, and/or restrictions on our ability to evict delinquent customers or to execute auctions related to delinquent customers. Additionally, the high unemployment and other adverse economic effects of the pandemic is having and will likely continue to have an adverse impact on many of our customers’ ability to afford their rent obligations. We may also experience a change in the move-out patterns of our longer-term customers resulting in reduced occupancy and/or reduced average rental rates as longer-term customers are replaced by new customers at lower rates.

We may experience a negative impact on our operations should the ability of our store-level employees to report to work be significantly impacted by the COVID-19 global health crisis. However, we believe that this risk is partially mitigated by the availability and capabilities of our “Rent Now” online rental platform.

Additionally, the COVID-19 global health crisis has resulted in stay-at-home and social distancing requirements. Although such initial restrictions have begun to ease in certain jurisdictions, recent surges in infections and deaths in many jurisdictions have resulted in new or reinstituted government restrictions related to COVID-19.

The extent to which COVID-19 will continue to affect our business and the magnitude of the impact on our results of operation and financial condition is difficult to predict, and will be driven primarily by the duration, spread and severity of the COVID-19 global health crisis itself, as well as the duration of the indirect economic impacts, all of which are uncertain. As a result, we are not able at this time to estimate the effect of these factors on our business, but the adverse impact on our business could be material.

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

(c) The following table summarizes our purchases of our common stock from August 2, 2017 through September 30, 2020.

Issuer Purchases of Equity Securities

Period	(a) Total number of shares purchased		(b) Average price paid per share		(c) Total number of shares purchased as part of publicly announced plans or programs (1)		(d) Approx. dollar value of shares that may yet be purchased under the plans or programs (1)
August 2, 2017 - August 31, 2017		92,150	$	72.98		92,150	$	193,274,647
September 1, 2017 - September 30, 2017		20,404		73.94		20,404		191,765,955
October 1, 2017 - December 31, 2017		—		—		—		—
January 1, 2018 - December 31, 2018		—		—		—		—
January 1, 2019 - December 31, 2019		—		—		—		—
January 1, 2020 - March 31, 2020		—		—		—		—
April 1, 2020 - June 30, 2020		—		—		—		—
July 1, 2020 - September 30, 2020		—		—		—		—
Total		112,554		73.16		112,554	$	191,765,955

(1) On August 2, 2017, the Company’s Board of Directors authorized the repurchase of up to $200 million of the Company’s common stock. The program does not have an expiration date but may be suspended or discontinued at any time.

38

Item 3. Defaults Upon Senior Securities

None

Item 4. Mine Safety Disclosures

Not Applicable

Item 5. Other Information

Additional Federal Income Tax Considerations

The following supplements, and should be read together with, the general discussion of the tax considerations relating to our qualification as a REIT and the ownership and disposition of our common shares described under the title “Federal Income Tax Considerations” in our prospectus dated June 14, 2018. To the extent any information set forth under the title “Federal Income Tax Considerations” in such prospectus is inconsistent with this supplemental information, this supplemental information will apply and supersede the information in the prospectus. This supplemental information is provided on the same basis and subject to the same qualifications as are set forth in the first three paragraphs under the title “Federal Income Tax Considerations” in such prospectus.

The Coronavirus Aid, Relief, and Economic Security Act, Public Law 116-136 (the “CARES Act”), was signed into law on March 27, 2020, and made temporary changes to the limitations on the deductibility of business interest and net operating losses (“NOLs”). Prior to enactment of the CARES Act, the deductibility of net interest expense paid or accrued on debt properly allocable to a trade or business was limited to 30% of adjusted taxable income (“ATI”). The CARES Act increased the limitation to 50% of ATI for taxable years beginning in 2019 and 2020 unless the taxpayer elects out of the increased limitation rule. For partnerships, including the Operating Partnership, the 50% limitation only applies for the 2020 taxable year. Unless a partner elects otherwise, a special rule applies to allocations of excess business interest for the 2019 taxable year such that 50% of the net interest expense is not subject to any limitation in 2020 at the partner level. We have not made any decisions with respect to electing out of any of these provisions. If we do elect out of these provisions, we may have more REIT taxable income because we remain subject to the lower deductibility limitation.

Prior to enactment of the CARES Act, deductions for NOL carryforwards were limited to 80% of taxable income (before deduction) and NOL carrybacks had been eliminated. The CARES Act temporarily suspends the taxable income limit for NOLs for all taxable years beginning before January 1, 2021, thereby permitting taxpayers to use NOLs to fully offset taxable income (although as a REIT, we will continue to only be able to use NOLs against taxable income remaining after taking into account any dividends-paid deduction). In addition, for taxable years beginning after December 31, 2017 and before January 1, 2021, the CARES Act generally permits taxpayers to carry back their NOLs to each of the five years preceding the taxable year of the loss. Although REITs may not carryback their NOLs, any of our taxable REIT subsidiaries may carryback their NOLs arising in 2018, 2019, and 2020 to the five years preceding the taxable year of the loss.

Under the applicable Treasury Regulations and administrative guidance, withholding under Foreign Account Tax Compliance Act (“FATCA”) generally applies to payments of dividends on our capital stock and interest on our debt securities. While withholding under FATCA would have applied also to payments of gross proceeds from the sale or other disposition of such stock or debt securities on or after January 1, 2019, proposed Treasury Regulations eliminate FATCA withholding on payments of gross proceeds entirely. Taxpayers generally may rely on these proposed Treasury Regulations until final Treasury Regulations are issued. Because we may not know the extent to which a distribution is a dividend for U.S. federal income tax purposes at the time it is made, for purposes of these withholding rules we may treat the entire distribution as a dividend. Prospective investors should consult their tax advisors regarding the potential application of withholding under FATCA to their investment in our capital stock or our notes.

39

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 September 30, 2020, formatted in inline XBRL, as follows:
	(i) Consolidated Balance Sheets at September 30, 2020 and December 31, 2019;
	(ii) Consolidated Statements of Operations for the three and nine months ended September 30, 2020 and 2019;
	(iii) Consolidated Statements of Cash Flows for the nine months ended September 30, 2020 and 2019;
	(iv) Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2020 and 2019; and
	(v) Notes to Consolidated Financial Statements.
104	Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101).

40

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)

November 6, 2020

Date

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

November 6, 2020

Date

41

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: November 6, 2020

/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: November 6, 2020

/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: November 6, 2020

/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: November 6, 2020

/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 September 30, 2020 (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: November 6, 2020

/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 September 30, 2020 (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: November 6, 2020

/S/ Joseph V. Saffire 

Joseph V. Saffire

Chief Executive Officer

/S/ Andrew J. Gregoire 

Andrew J. Gregoire

Chief Financial Officer

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	Sep. 30, 2020	Oct. 27, 2020
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
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		48,597,483
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		48,597,483
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

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Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Investment in storage facilities:
Land	$ 937,030	$ 884,235
Building, equipment, and construction in progress	4,263,222	3,865,238
Real estate investment property, at cost, total	5,200,252	4,749,473
Less: accumulated depreciation	(842,592)	(756,333)
Investment in storage facilities, net	4,357,660	3,993,140
Cash and cash equivalents	110,247	17,458
Accounts receivable	13,970	12,218
Receivable from unconsolidated joint ventures	3,223	1,302
Investment in unconsolidated joint ventures	143,633	154,984
Prepaid expenses	10,601	7,771
Trade name	16,500	16,500
Other assets	33,221	29,591
Total Assets	4,689,055	4,232,964
Liabilities
Line of credit		65,000
Term notes, net	2,254,783	1,858,271
Accounts payable and accrued liabilities	107,980	103,942
Deferred revenue	16,204	11,699
Mortgages payable	34,352	34,851
Total Liabilities	2,413,319	2,073,763
Noncontrolling redeemable Operating Partnership Units at redemption value	25,848	26,307
Shareholders' Equity/ Partners' Capital
Common stock $.01 par value, 100,000,000 shares authorized, 48,199,008 shares outstanding at September 30, 2020 (46,675,933 at December 31, 2019)	482	467
Additional paid-in capital	2,533,402	2,376,723
Dividends in excess of net income	(278,726)	(238,338)
Accumulated other comprehensive loss	(5,270)	(5,958)
Total Shareholders’ Equity	2,249,888	2,132,894
Noncontrolling interest in consolidated subsidiary	0	0
Total Equity	2,249,888	2,132,894
Total Liabilities and Shareholders' Equity/ Partners' Capital	4,689,055	4,232,964
Life Storage LP [Member]
Investment in storage facilities:
Land	937,030	884,235
Building, equipment, and construction in progress	4,263,222	3,865,238
Real estate investment property, at cost, total	5,200,252	4,749,473
Less: accumulated depreciation	(842,592)	(756,333)
Investment in storage facilities, net	4,357,660	3,993,140
Cash and cash equivalents	110,247	17,458
Accounts receivable	13,970	12,218
Receivable from unconsolidated joint ventures	3,223	1,302
Investment in unconsolidated joint ventures	143,633	154,984
Prepaid expenses	10,601	7,771
Trade name	16,500	16,500
Other assets	33,221	29,591
Total Assets	4,689,055	4,232,964
Liabilities
Line of credit		65,000
Term notes, net	2,254,783	1,858,271
Accounts payable and accrued liabilities	107,980	103,942
Deferred revenue	16,204	11,699
Mortgages payable	34,352	34,851
Total Liabilities	2,413,319	2,073,763
Limited partners’ redeemable capital interest at redemption value (243,966 and 246,466units outstanding at September 30, 2020 and December 31, 2019, respectively)	25,848	26,307
Shareholders' Equity/ Partners' Capital
General partner (484,429 and 469,225 units outstanding at September 30, 2020 and December 31, 2019, respectively)	22,759	21,594
Limited partners (47,714,579 and 46,206,708 units outstanding at September 30, 2020and December 31, 2019, respectively)	2,232,399	2,117,258
Accumulated other comprehensive loss	(5,270)	(5,958)
Total Controlling Partners’ Capital	2,249,888	2,132,894
Noncontrolling interest in consolidated subsidiary	0	0
Total Partners' Capital	2,249,888	2,132,894
Total Liabilities and Shareholders' Equity/ Partners' Capital	$ 4,689,055	$ 4,232,964

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Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2020	Dec. 31, 2019
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares outstanding	48,199,008	46,675,933
Life Storage LP [Member]
Limited partners' redeemable capital interest, units outstanding	243,966	246,466
General partner, units outstanding	484,429	469,225
Limited partners, units outstanding	47,714,579	46,206,708

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Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues
Rental income	$ 135,965	$ 128,565	$ 393,701	$ 381,625
Other operating income	20,345	17,069	56,565	45,561
Total operating revenues	156,310	145,634	450,266	427,186
Expenses
Property operations and maintenance	36,199	32,215	101,297	96,809
Real estate taxes	17,729	16,116	52,751	48,427
General and administrative	13,369	11,554	38,498	34,401
Payments for rent		75		358
Depreciation and amortization	33,018	26,854	90,335	79,239
Total operating expenses	100,315	86,814	282,881	259,234
Gain on sale of storage facilities		100,222		100,222
Gain on sale of real estate			302	1,076
Income from operations	55,995	159,042	167,687	269,250
Other income (expenses)
Interest expense	(20,544)	(19,760)	(61,056)	(56,339)
Interest income	8	289	14	340
Equity in income of joint ventures	1,829	1,175	3,915	3,095
Net income	37,288	140,746	110,560	216,346
Net income attributable to noncontrolling interest in the Operating Partnership	(193)	(744)	(576)	(1,148)
Net income attributable to common shareholders/unitholders	$ 37,095	$ 140,002	$ 109,984	$ 215,198
Earnings per common share/unit attributable to common shareholders/unitholders - basic	$ 0.78	$ 3.00	$ 2.34	$ 4.62
Earnings per common share/unit attributable to common shareholders/unitholders - diluted	$ 0.78	$ 2.99	$ 2.34	$ 4.61
Common shares/units used in basic earnings per share/unit calculation	47,223,842	46,586,030	46,915,323	46,577,704
Common shares/units used in diluted earnings per share/unit calculation	47,299,906	46,657,105	46,985,647	46,641,673
Dividends/distributions declared per common share/unit	$ 1.07	$ 1.00	$ 3.21	$ 3.00
Life Storage LP [Member]
Revenues
Rental income	$ 135,965	$ 128,565	$ 393,701	$ 381,625
Other operating income	20,345	17,069	56,565	45,561
Total operating revenues	156,310	145,634	450,266	427,186
Expenses
Property operations and maintenance	36,199	32,215	101,297	96,809
Real estate taxes	17,729	16,116	52,751	48,427
General and administrative	13,369	11,554	38,498	34,401
Payments for rent		75		358
Depreciation and amortization	33,018	26,854	90,335	79,239
Total operating expenses	100,315	86,814	282,881	259,234
Gain on sale of storage facilities		100,222		100,222
Gain on sale of real estate			302	1,076
Income from operations	55,995	159,042	167,687	269,250
Other income (expenses)
Interest expense	(20,544)	(19,760)	(61,056)	(56,339)
Interest income	8	289	14	340
Equity in income of joint ventures	1,829	1,175	3,915	3,095
Net income	37,288	140,746	110,560	216,346
Net income attributable to noncontrolling interest in the Operating Partnership	(193)	(744)	(576)	(1,148)
Net loss attributable to noncontrolling interest in consolidated subsidiary	0	0	0	0
Net income attributable to common shareholders/unitholders	$ 37,095	$ 140,002	$ 109,984	$ 215,198
Earnings per common share/unit attributable to common shareholders/unitholders - basic	$ 0.78	$ 3.00	$ 2.34	$ 4.62
Earnings per common share/unit attributable to common shareholders/unitholders - diluted	$ 0.78	$ 2.99	$ 2.34	$ 4.61
Common shares/units used in basic earnings per share/unit calculation	47,223,842	46,586,030	46,915,323	46,577,704
Common shares/units used in diluted earnings per share/unit calculation	47,299,906	46,657,105	46,985,647	46,641,673
Dividends/distributions declared per common share/unit	$ 1.07	$ 1.00	$ 3.21	$ 3.00
Net income attributable to general partner	$ 373	$ 1,408	$ 1,106	$ 2,163
Net income attributable to limited partners	$ 36,722	$ 138,594	$ 108,878	$ 213,035

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Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net income	$ 37,288	$ 140,746	$ 110,560	$ 216,346
Other comprehensive income:
Effective portion of gain on derivatives net of reclassification to interest expense	230	229	688	687
Total comprehensive income	37,518	140,975	111,248	217,033
Comprehensive income attributable to noncontrolling interest in the Operating Partnership	(194)	(745)	(580)	(1,152)
Comprehensive loss attributable to noncontrolling interest in consolidated subsidiary	0	0	0	0
Comprehensive income attributable to common shareholders/unitholders	37,324	140,230	110,668	215,881
Life Storage LP [Member]
Net income	37,288	140,746	110,560	216,346
Other comprehensive income:
Effective portion of gain on derivatives net of reclassification to interest expense	230	229	688	687
Total comprehensive income	37,518	140,975	111,248	217,033
Comprehensive income attributable to noncontrolling interest in the Operating Partnership	(194)	(745)	(580)	(1,152)
Comprehensive loss attributable to noncontrolling interest in consolidated subsidiary	0	0	0	0
Comprehensive income attributable to common shareholders/unitholders	$ 37,324	$ 140,230	$ 110,668	$ 215,881

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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Operating Activities
Net income	$ 37,288	$ 140,746	$ 110,560	$ 216,346
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33,018	26,854	90,335	79,239
Amortization of debt issuance costs and bond discount			3,033	2,873
Gain on sale of storage facilities		(100,222)		(100,222)
Gain on sale of real estate			(302)	(1,076)
Equity in income of joint ventures	(1,829)	(1,175)	(3,915)	(3,095)
Distributions from unconsolidated joint ventures			9,246	7,419
Non-vested stock earned			3,380	3,284
Deferred income taxes			1,266	429
Other			(178)
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable			(1,562)	(3,132)
Prepaid expenses			(2,710)	(2,296)
Advances to joint ventures			(2,254)	(118)
Accounts payable and other liabilities			1,396	(968)
Deferred revenue			3,421	1,311
Net cash provided by operating activities			211,716	199,994
Investing Activities
Acquisition of storage facilities, net of cash acquired			(417,930)	(354,712)
Improvements, equipment additions, and construction in progress			(37,622)	(63,645)
Net proceeds from the sale of real estate				207,568
Return of investment in unconsolidated joint ventures			28,008
Investment in unconsolidated joint ventures			(21,862)	(19,347)
Loans to unconsolidated subsidiaries			(35,850)
Loan payments received from unconsolidated subsidiaries			35,850
Property deposits			(129)	(767)
Net cash used in investing activities			(449,535)	(230,903)
Financing Activities
Net proceeds from sale of common stock\partnership units			155,614	375
Proceeds from line of credit			285,000	225,000
Repayments of line of credit			(350,000)	(291,000)
Proceeds from term notes, net of discount			398,096	348,166
Repayment of term notes				(100,000)
Debt issuance costs			(3,480)	(3,099)
Dividends paid - common stock			(150,357)	(139,914)
Distributions to noncontrolling interest holders			(785)	(745)
Payments to acquire equity in consolidated subsidiary from noncontrolling interests			(2,000)
Redemption of Operating Partnership Units			(265)	(145)
Mortgage principal payments			(306)	(293)
Net cash provided by financing activities			331,517	38,345
Net increase in cash and restricted cash			93,698	7,436
Cash and restricted cash at beginning of period			21,556	14,065	$ 14,065
Cash and restricted cash at end of period	115,254	21,501	115,254	21,501	21,556
Supplemental cash flow information
Cash paid for interest, net of interest capitalized			57,816	52,267
Cash paid for income taxes, net of refunds			859	1,485
Life Storage LP [Member]
Operating Activities
Net income	37,288	140,746	110,560	216,346
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33,018	26,854	90,335	79,239
Amortization of debt issuance costs and bond discount			3,033	2,873
Gain on sale of storage facilities		(100,222)		(100,222)
Gain on sale of real estate			(302)	(1,076)
Equity in income of joint ventures	(1,829)	(1,175)	(3,915)	(3,095)
Distributions from unconsolidated joint ventures			9,246	7,419
Non-vested stock earned			3,380	3,284
Deferred income taxes			1,266	429
Other			(178)
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable			(1,562)	(3,132)
Prepaid expenses			(2,710)	(2,296)
Advances to joint ventures			(2,254)	(118)
Accounts payable and other liabilities			1,396	(968)
Deferred revenue			3,421	1,311
Net cash provided by operating activities			211,716	199,994
Investing Activities
Acquisition of storage facilities, net of cash acquired			(417,930)	(354,712)
Improvements, equipment additions, and construction in progress			(37,622)	(63,645)
Net proceeds from the sale of real estate				207,568
Return of investment in unconsolidated joint ventures			28,008
Investment in unconsolidated joint ventures			(21,862)	(19,347)
Loans to unconsolidated subsidiaries			(35,850)
Loan payments received from unconsolidated subsidiaries			35,850
Property deposits			(129)	(767)
Net cash used in investing activities			(449,535)	(230,903)
Financing Activities
Net proceeds from sale of common stock\partnership units			155,614	375
Proceeds from line of credit			285,000	225,000
Repayments of line of credit			(350,000)	(291,000)
Proceeds from term notes, net of discount			398,096	348,166
Repayment of term notes				(100,000)
Debt issuance costs			(3,480)	(3,099)
Distributions to unitholders			(150,357)	(139,914)
Distributions to noncontrolling interest holders			(785)	(745)
Payments to acquire equity in consolidated subsidiary from noncontrolling interests			(2,000)
Redemption of Operating Partnership Units			(265)	(145)
Mortgage principal payments			(306)	(293)
Net cash provided by financing activities			331,517	38,345
Net increase in cash and restricted cash			93,698	7,436
Cash and restricted cash at beginning of period			21,556	14,065	14,065
Cash and restricted cash at end of period	$ 115,254	$ 21,501	115,254	21,501	$ 21,556
Supplemental cash flow information
Cash paid for interest, net of interest capitalized			57,816	52,267
Cash paid for income taxes, net of refunds			$ 859	$ 1,485

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Basis of Presentation

9 Months Ended

Sep. 30, 2020

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 nine-month period ended September 30, 2020 are not necessarily indicative of the results that may be expected for the year ending December 31, 2020.

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Organization

9 Months Ended

Sep. 30, 2020

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 99.5% ownership interest therein as of September 30, 2020. 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 September 30, 2020, we had an ownership interest in and/or managed 905 self-storage properties in 30 states and Ontario, Canada. Among our 905 self-storage properties are 93 properties that we manage for unconsolidated joint ventures (see Note 10) and 224 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 for cash payment of $2.0 million along with potential for the sellers to receive additional future payment based on the 2023 results of Warehouse Anywhere LLC. At the date of acquisition and at September 30, 2020, the Company estimates this potential future payment to be approximately $0.3 million based on the projected 2023 results of 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 243,966 and 246,466 noncontrolling redeemable Operating Partnership Units outstanding at September 30, 2020 and December 31, 2019, 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 September 30, 2020 and December 31, 2019, 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)	Nine Months Ended September 30, 2020
Beginning balance	$	26,307
Net income attributable to noncontrolling interest in the    Operating Partnership		576
Redemption of units		(265	)
Distributions		(785	)
Adjustment to redemption value		15
Ending balance	$	25,848

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 September 30, 2020		Three Months Ended September 30, 2019		Nine Months Ended September 30, 2020		Nine Months Ended September 30, 2019
Rental income	$	135,965	$	128,565	$	393,701	$	381,625
Management and acquisition fee income		4,518		3,809		13,107		10,156
Revenues related to tenant reinsurance		11,616		9,170		32,508		23,948
Other		4,211		4,090		10,950		11,457
Total operating revenues	$	156,310	$	145,634	$	450,266	$	427,186

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 nine months ended September 30, 2020, approximately 19% and 13% of the Company’s revenue was derived from self-storage facilities in the states of Texas and Florida, respectively.

Commencing April 1, 2019, the Company launched a tenant self-storage insurance program whereby a captive wholly owned subsidiary of the Company reinsures certain risks relating to property stored by its tenants. In connection with this program, the Company’s prior arrangement with a third-party insurer was terminated. The change in tenant insurance programs resulted in an increase to both tenant reinsurance revenues and related expenses for the nine months ended September 30, 2020 as compared to the nine months ended September 30, 2019 as a result of the differences in the accounting for the two programs.

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Stock Based Compensation

9 Months Ended

Sep. 30, 2020

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 September 30, 2020 and 2019, the Company recorded compensation expense of $1,107,000 and $955,000, respectively, related to amortization of non-vested stock grants and performance-based awards. For the nine months ended September 30, 2020 and 2019, the Company recorded compensation expense of $3,380,000 and $3,284,000, 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 and nine months ended September 30, 2020 and 2019. During the three months ended September 30, 2020 and 2019, 379 and 375 shares of non-vested stock, respectively, vested. During the nine months ended September 30, 2020 and 2019, 17,775 and 23,948 shares of non-vested stock, respectively, vested.

During the nine months ended September 30, 2020, the Company issued 16,415 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 nine months ended September 30, 2020 ranged from $87.59 to $108.20, resulting in an aggregate fair value of $1.5 million.

During the nine months ended September 30, 2020, the Company granted performance-based awards that entitle recipients to earn up to 7,294 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 $0.4 million.

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Cash and Restricted Cash

9 Months Ended

Sep. 30, 2020

Cash And Cash Equivalents [Abstract]

Cash and Restricted Cash

4. CASH AND RESTRICTED CASH

Restricted cash represents 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)	September 30, 2020		December 31, 2019		September 30, 2019
Cash	$	110,247	$	17,458	$	16,371
Restricted cash		5,007		4,098		5,130
Total cash and restricted cash	$	115,254	$	21,556	$	21,501

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Investment in Storage Facilities and Intangible Assets

9 Months Ended

Sep. 30, 2020

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 nine months ended September 30, 2020:

(dollars in thousands)
Cost:
Beginning balance	$	4,749,473
Acquisition of storage facilities		413,022
Improvements and equipment additions		43,888
Net decrease in construction in progress		(5,884	)
Dispositions		(247	)
Ending balance	$	5,200,252
Accumulated Depreciation:
Beginning balance	$	756,333
Additions during the period		86,424
Dispositions		(165	)
Ending balance	$	842,592

The Company acquired 31 self-storage facilities during the nine months ended September 30, 2020. 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 2020 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		Mortgage Assumed		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		Construction in Progress		In-Place Customers Leases
CA		6	3/9/2020	$	124,298	$	124,204	$	—	$	94	$	20,307	$	101,734	$	582	$	1,675
FL, GA, NJ, OH, PA, TX		25	9/29/2020		295,310		293,726		—		1,584		32,555		257,844		—		4,911
Total acquired in 2020		31		$	419,608	$	417,930	$	—	$	1,678	$	52,862	$	359,578	$	582	$	6,586

The six facilities purchased in the first quarter of 2020 were acquired from 191 III Life Storage Holdings LLC (“191 III”), an unconsolidated joint venture in which the Company holds a 20% ownership interest. Seventeen of the 25 facilities purchased in the third quarter of 2020 were acquired from Sovran HHF Storage Holdings LLC (“Sovran HHF”) and eight of the 25 facilities purchased in the third quarter of 2020 were acquired from Sovran HHF Storage Holdings II LLC (“Sovran HHF II”), unconsolidated joint ventures in which the Company holds 20% and 15% ownership interests, respectively. In accordance with ASC Topic 970, “Real Estate – General,” the Company recorded its equity in the profit from the sales of these self-storage facilities as a reduction in the

respective purchase price allocated to land and depreciable fixed assets. In addition to the $124.2 million cash payment for the six self-storage facilities acquired from 191 III, the Company also recognized $8.4 million as a return on the Company’s investment in 191 III as discussed further in Note 10. In addition to the $293.7 million cash payments combined for the 25 self-storage facilities acquired from Sovran HHF and Sovran HHF II, the Company also recognized $32.7 million as a return on the Company’s investment in Sovran HHF and Sovran HHF II as discussed further in Note 10.

Non-cash investing activities during the nine months ended September 30, 2020 include the assumption of net other liabilities totaling $1.7 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)	September 30, 2020			December 31, 2019
In-place customer leases	$	85,327		$	78,741
Accumulated amortization		(79,642	)		(75,832	)
Net carrying value at the end of period	$	5,685		$	2,909

Amortization expense related to in-place customer leases was $1.1 million and $3.8 million for the three and nine months ended September 30, 2020, respectively, and $0.8 million and $1.7 million for the three and nine months ended September 30, 2019, respectively.

Change in Useful Life Estimates

As part of the Company’s capital improvement efforts during 2018, 2019, and 2020, 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 $4.4 million during both the three and nine months ended September 30, 2020 and $0.3 million and $1.1 million during the three and nine months ended September 30, 2019, respectively. The Company estimates that due to buildings recently identified for replacement, the change in estimated useful lives of buildings identified for replacement as of September 30, 2020 will result an increase in depreciation expense of approximately $1.1 million during the remainder of 2020 and an additional $1.1 million during the first quarter of 2021.

The accelerated depreciation resulting from the events discussed above reduced both basic and diluted earnings per share/unit by approximately $0.09 for both the three and nine months ended September 30, 2020 and by less than $0.01 and by approximately $0.02 for the three and nine months ended September 30, 2019, respectively.

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Unsecured Line of Credit and Term Notes

9 Months Ended

Sep. 30, 2020

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)	September 30, 2020			December 31, 2019
Revolving line of credit borrowings	$	—		$	65,000
Term note due August 5, 2021		100,000			100,000
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			—
Total term note principal balance outstanding	$	2,275,000		$	1,875,000
Less: unamortized debt issuance costs		(13,277	)		(11,146	)
Less: unamortized senior term note discount		(6,940	)		(5,583	)
Term notes payable	$	2,254,783		$	1,858,271

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. 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 September 30, 2020 the margin is 0.95%), interest on term notes at a variable annual rate equal to LIBOR plus a margin based on the Company’s credit rating (at September 30, 2020 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 September 30, 2020 the facility fee is 0.15%). The interest rate on the Company’s revolving credit facility at September 30, 2020 was approximately 1.13% (2.75% at December 31, 2019) and the interest rate on any term notes at September 30, 2020 was approximately 1.18% (2.80% at December 31, 2019). The $100 million principal on the term note was paid off in 2019 in conjunction with the issuance of the 2029 Senior Notes which are discussed further below. At September 30, 2020 there was $499.9 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 September 30, 2020, 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.

In 2011, the Company entered into a $100 million term note maturing August 5, 2021 bearing interest at a fixed rate of 5.54%. The interest rate on the term note increases to 7.29% if the notes are not rated by at least one rating agency, the credit rating on the notes is downgraded or if the Company’s credit rating is downgraded. On October 9, 2020, the Company paid off this $100 million term note in addition to making a make-whole payment of $4.0 million required as a result of paying off the term note prior to its maturity.

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 September 30, 2020, 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 September 30, 2020, 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 September 30, 2020 and December 31, 2019. Amortization expense related to deferred debt issuance costs was $0.6 million for each of the three months ended September 30, 2020 and 2019, and $1.8 million and $1.7 million for the nine months ended September 30, 2020 and 2019, respectively, and is included in interest expense in the consolidated statements of operations.

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Mortgages Payable and Debt Maturities

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Mortgages Payable and Debt Maturities

7. MORTGAGES PAYABLE AND DEBT MATURITIES

Mortgages payable at September 30, 2020 and December 31, 2019 consist of the following:

(dollars in thousands)	September 30, 2020		December 31, 2019
4.98% mortgage note due January 1, 2021, secured by one    self-storage facility with an aggregate net book value of $9.3    million, principal and interest paid monthly    (effective interest rate 5.26%)	$	2,763	$	2,807
4.065% mortgage note due April 1, 2023, secured by one self-    storage facility with an aggregate net book value of $7.2    million, principal and interest paid monthly    (effective interest rate 4.34%)		3,858		3,932
5.26% mortgage note due November 1, 2023, secured by one    self-storage facility with an aggregate net book value of $7.9    million, principal and interest paid monthly    (effective interest rate 5.61%)		3,747		3,800
4.4625% mortgage notes due December 6, 2024, secured by    three self-storage facilities with an aggregate net book value    of $55.0 million, principal and interest paid monthly    (effective interest rate 3.19%)		22,749		22,942
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 6.38%)		1,235		1,370
Total mortgages payable	$	34,352	$	34,851

The table below summarizes the Company’s debt obligations at September 30, 2020. 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)	2020		2021		2022		2023		2024		Thereafter		Total		Fair Value
Line of credit - variable rate    LIBOR + 0.95% (1.13% at   September 30, 2020)		—		—		—		—		—		—	$	—	$	—
Notes Payable:
Term note - fixed rate 5.54%		—	$	100,000		—		—		—		—	$	100,000	$	104,332
Term note - fixed rate 4.533%		—		—		—		—	$	175,000		—	$	175,000	$	197,640
Term note - fixed rate 3.50%		—		—		—		—		—	$	600,000	$	600,000	$	674,845
Term note - fixed rate 3.875%		—		—		—		—		—	$	450,000	$	450,000	$	514,557
Term note - fixed rate 3.67%		—		—		—		—		—	$	200,000	$	200,000	$	224,265
Term note - fixed rate 4.00%		—		—		—		—		—	$	350,000	$	350,000	$	399,957
Term note - fixed rate 2.20%		—		—		—		—		—	$	400,000	$	400,000	$	398,566
Mortgage note - fixed rate 4.98%	$	15	$	2,748		—		—		—		—	$	2,763	$	2,769
Mortgage note - fixed rate 4.065%	$	26	$	104	$	108	$	3,620		—		—	$	3,858	$	3,826
Mortgage note - fixed rate 5.26%	$	19	$	78	$	83	$	3,567		—		—	$	3,747	$	3,839
Mortgage notes - fixed rate 4.4625%		—		—		—		—	$	22,749		—	$	22,749	$	21,619
Mortgage note - fixed rate 5.99%	$	46	$	192	$	203	$	216	$	229	$	349	$	1,235	$	1,286
Total	$	106	$	103,122	$	394	$	7,403	$	197,978	$	2,000,349	$	2,309,352

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Derivative Financial Instruments

9 Months Ended

Sep. 30, 2020

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 and nine months ended September 30, 2020 and 2019 are summarized as follows:

(dollars in thousands)	Three Months Ended September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Accumulated other comprehensive loss beginning    of period	$	(5,500	)	$	(6,417	)	$	(5,958	)	$	(6,875	)
Realized loss reclassified from accumulated other    comprehensive loss to interest expense		230			229			688			687
Accumulated other comprehensive loss end of period	$	(5,270	)	$	(6,188	)	$	(5,270	)	$	(6,188	)

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Fair Value Measurements

9 Months Ended

Sep. 30, 2020

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 September 30, 2020 and December 31, 2019.

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Investment in Joint Ventures

9 Months Ended

Sep. 30, 2020

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 September 30, 2020		Company common ownership interest at September 30, 2020	Carrying value of investment at September 30, 2020		Carrying value of investment at December 31, 2019
Sovran HHF Storage Holdings LLC (“Sovran HHF”)1	36		20%	$61.3 million		$83.1 million
Sovran HHF Storage Holdings II LLC (“Sovran HHF II”)2	22		15%	$27.3 million		$13.9 million
191 III Life Storage Holdings LLC (“191 III”)3		—	20%		—	$8.9   million
Life Storage-SERS Storage LLC (“SERS”)	3		20%	$3.0   million		$3.2   million
Life Storage-HIERS Storage LLC (“HIERS”)4	17		20%	$14.4 million		$14.9 million
Iskalo Office Holdings, LLC (“Iskalo”)5	N/A		49%	($0.3   million)		($0.4   million)
Bluebird Sanford Storage LP ("Sanford")6	1		15%	$0.3   million		$0.3   million
Bluebird Ingram Storage LP ("Ingram")7	1		15%	$1.1   million		$1.2   million
Life Storage Spacemax, LLC ("Spacemax")8	6		40%	$16.8 million		$16.1 million
Life Storage Virtus, LLC ("Virtus")9	1		20%	$1.5   million			—
Joint ventures with properties in development stage10	5		Various	$6.4   million		$3.1   million
Other unconsolidated joint ventures (6 joint ventures)	6		Various	$10.0 million		$10.3 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 September 30, 2020, 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 has been placed into escrow until non-recourse loans related to these properties are able to be paid which is expected to occur in 2021. Also in connection with this transaction, the Company made a $12.7 million contribution to Sovran HHF II.}

^{3 191 III owned six self-storage facilities in California. The Company acquired these six self-storage facilities and related assets from 191 III in March 2020 for total contractual consideration of $124.2 million, which is net of the Company’s share of 191 III’s gain resulting from the transaction. In connection with this transaction, the non-recourse mortgage loan previously entered into by 191 III was settled. See Note 5 for additional information regarding this transaction. As 191 III no longer operates any self-storage facilities subsequent to the sale of the six self-storage facilities to the Company, the Company received a distribution of $8.4 million in March 2020 as the Company’s return of its remaining investment in 191 III. 191 III is expected to be dissolved later in 2020.}

⁴ In November 2019, HIERS acquired five self-storage facilities for a total of $56.3 million. In connection with the acquisition of these self-storage facilities, HIERS entered into $27.6 million of mortgage debt which is secured by the self-storage facilities acquired. During 2019, the Company contributed $5.7 million as is its share of capital to fund the acquisition of these five self-storage facilities.

^{5 Iskalo owns the building that houses the Company’s headquarters. The Company paid rent to Iskalo of $0.9 million during each of the nine months ended September 30, 2020 and 2019.}

^{6 In March 2019, the Company executed a joint venture agreement, Bluebird Sanford Storage LP, with an unrelated third-party with the purpose of acquiring and operating a self-storage facility. During 2019, Sanford acquired a self-storage facility for a total of $4.9 million. In connection with this acquisition, Sanford entered into $3.2 million of non-recourse mortgage debt. During 2019, the Company contributed $0.3 million to Sanford as the Company’s share of the initial capital investment in the joint venture.}

^{7 In March 2019, the Company executed a joint venture agreement, Bluebird Ingram Storage, LP, with an unrelated third-party with the purpose of acquiring, further developing, and operating a self-storage facility. During 2019, Ingram acquired a self-storage facility for a total of $20.7 million. In connection with this acquisition, Ingram entered into $17.6 million of non-recourse mortgage debt. During 2019, the Company contributed $1.3 million to Ingram as the Company’s share of the initial capital investment in the joint venture.}

⁸ In August 2019, the Company executed a joint venture agreement, Life Storage Spacemax, LLC, with an unrelated third-party with the purpose of acquiring and operating self-storage facilities. During 2019, Spacemax acquired six self-storage facilities for a total of $82.7 million. In connection with this acquisition, Spacemax entered into $42.0 million of non-recourse mortgage debt. During 2019, the Company contributed $16.3 million to Spacemax as the Company’s share of the initial capital investment in the joint venture.  

^{9 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.}

^{10 The Company has entered into five separate joint ventures, two of which are developing self-storage facilities in Ontario, Canada, and three of which are developing self-storage facilities in the New York City market. The Company has contributed an aggregate total of $6.4 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 only one of the joint ventures is a variable interest entity (“VIE”) in accordance with ASC 810, “Consolidation.” As the Company does not have the power to direct the activities of the joint venture that is considered a VIE, the VIE joint venture is not consolidated by the Company. The Company used the voting model under ASC 810 for all joint ventures not considered a VIE 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 are consolidated by the Company. Due to the Company’s significant influence over the operations of each of the joint ventures, all 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 $2.2 million and $2.2 million for the three months ended September 30, 2020 and 2019, respectively, and $6.7 million and $6.4 million for the nine months ended September 30, 2020 and 2019, respectively.

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

(dollars in thousands) Venture	Three Months Ended September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Sovran HHF	$	1,320		$	934		$	3,103		$	2,643
Sovran HHF II		642			474			1,543			1,364
Other unconsolidated joint ventures		(133	)		(233	)		(731	)		(912	)
	$	1,829		$	1,175		$	3,915		$	3,095

A summary of the combined unconsolidated joint ventures’ financial statements as of and for the nine months ended September 30, 2020 is as follows:

(dollars in thousands)
Balance Sheet Data:
Investment in storage facilities, net	$	1,083,191
Investment in office building, net		4,109
Other assets		68,834
Total Assets	$	1,156,134
Due to the Company	$	3,223
Mortgages payable		525,713
Other liabilities		24,761
Total Liabilities	$	553,697
Unaffiliated partners’ equity		459,105
Company equity		143,332
Total Partners’ Equity		602,437
Total Liabilities and Partners’ Equity	$	1,156,134
Income Statement Data:
Total revenues	$	99,902
Property operating expenses		(31,102	)
Administrative, management and call center fees		(5,547	)
Gain on disposal of self-storage facilities		217,607
Depreciation and amortization of customer list		(23,383	)
Amortization of financing fees		(590	)
Income tax expense		(235	)
Interest expense		(17,638	)
Net income	$	239,014

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

9 Months Ended

Sep. 30, 2020

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 $1.0 million and $0.5 million for the three months ended September 30, 2020 and 2019, respectively. The Company recorded federal and state income tax expense of $2.6 million and $1.7 million for the nine months ended September 30, 2020 and 2019, respectively. These income tax expenses are included in general and administrative expenses in the consolidated statements of operations. At September 30, 2020 and 2019, there were no material unrecognized tax benefits. Interest and penalties relating to uncertain tax positions will be recognized in income tax expense when incurred. As of September 30, 2020 and 2019, the Company had no interest or penalties related to uncertain tax positions. 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 expense. As of September 30, 2020, the Company’s taxable REIT subsidiaries have deferred tax assets totaling $0.3 million and a deferred tax liability of $2.4 million. As of December 31, 2019, the Company’s taxable REIT subsidiaries have deferred tax assets of $1.6 million and a deferred tax liability of $2.4 million. The tax years 2016-2019 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

9 Months Ended

Sep. 30, 2020

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 September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Numerator:
Net income attributable to common shareholders	$	37,095		$	140,002		$	109,984		$	215,198
Net income attributable to unvested restricted shares		(66	)		(272	)		(65	)		(136	)
Net income attributable to outstanding common shares	$	37,029		$	139,730		$	109,919		$	215,062
Denominator:
Denominator for basic earnings per share – weighted    average shares		47,224			46,586			46,915			46,578
Effect of Dilutive Securities:
Stock options and non-vested stock		76			71			71			64
Denominator for diluted earnings per share – adjusted    weighted average shares and assumed conversion		47,300			46,657			46,986			46,642
Basic earnings per common share attributable to    common shareholders	$	0.78		$	3.00		$	2.34		$	4.62
Diluted earnings per common share attributable to    common shareholders	$	0.78		$	2.99		$	2.34		$	4.61

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 September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Numerator:
Net income attributable to common unitholders	$	37,095		$	140,002		$	109,984		$	215,198
Net income attributable to unvested restricted units		(66	)		(272	)		(65	)		(136	)
Net income attributable to outstanding units	$	37,029		$	139,730		$	109,919		$	215,062
Denominator:
Denominator for basic earnings per unit – weighted    average units		47,224			46,586			46,915			46,578
Effect of Dilutive Securities:
Stock options and non-vested stock		76			71			71			64
Denominator for diluted earnings per unit – adjusted    weighted average units and assumed conversion		47,300			46,657			46,986			46,642
Basic earnings per common unit attributable to    common unitholders	$	0.78		$	3.00		$	2.34		$	4.62
Diluted earnings per common unit attributable to    common unitholders	$	0.78		$	2.99		$	2.34		$	4.61

Not included in the effect of dilutive securities above for both earnings per share and earnings per unit are 92,123 unvested restricted shares for the three months ended September 30, 2020, and 73,816 unvested restricted shares for the three months ended September 30, 2019, because their effect would be antidilutive. Not included in the effect of dilutive securities above for both earnings per share and earnings per unit are 102,714 unvested restricted shares for the nine months ended September 30, 2020, and 76,565 unvested restricted shares for the nine months ended September 30, 2019, because their effect would be antidilutive.

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Shareholders' Equity

9 Months Ended

Sep. 30, 2020

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 nine months ended September 30, 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
Earned portion of non-vested stock		—		1,071			—			—			1,071
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,609	)		—			(2,609	)
Net income attributable to common shareholders		—		—			36,457			—			36,457
Amortization of terminated hedge included in    AOCL		—		—			—			229			229
Dividends		—		—			(50,186	)		—			(50,186	)
Balance June 30, 2020		469		2,400,382			(262,670	)		(5,500	)		2,132,681
Net proceeds from issuance of common stock		13		134,213			—			—			134,226
Earned portion of non-vested stock		—		1,107			—			—			1,107
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,948	)		—			(2,948	)
Purchases of equity in consolidated subsidiary from    noncontrolling interests		—		(2,300	)		—			—			(2,300	)
Net income attributable to common shareholders		—		—			37,095			—			37,095
Amortization of terminated hedge included in    AOCL		—		—			—			230			230
Dividends		—		—			(50,203	)		—			(50,203	)
Balance September 30, 2020	$	482	$	2,533,402		$	(278,726	)	$	(5,270	)	$	2,249,888

The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the nine months ended September 30, 2019:

(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, 2018	$	466	$	2,372,157	$	(308,011	)	$	(6,875	)	$	2,057,737
Earned portion of non-vested stock		—		1,396		—			—			1,396
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(294	)		—			(294	)
Net income attributable to common shareholders		—		—		34,454			—			34,454
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,631	)		—			(46,631	)
Balance March 31, 2019		466		2,373,553		(320,482	)		(6,646	)		2,046,891
Issuance of non-vested stock		1		—		—			—			1
Earned portion of non-vested stock		—		839		—			—			839
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(150	)		—			(150	)
Net income attributable to common shareholders		—		—		40,742			—			40,742
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,632	)		—			(46,632	)
Balance June 30, 2019		467		2,374,392		(326,522	)		(6,417	)		2,041,920
Exercise of stock options		—		469		—			—			469
Earned portion of non-vested stock		—		955		—			—			955
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(1,606	)		—			(1,606	)
Net income attributable to common shareholders		—		—		140,002			—			140,002
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,651	)		—			(46,651	)
Balance September 30, 2019	$	467	$	2,375,816	$	(234,777	)	$	(6,188	)	$	2,135,318

On June 14, 2018, the Company entered into a continuous equity offering program (“Equity Program”) with multiple sales agents, pursuant to which the Company may sell up to $300 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 nine-month period ended September 30, 2020, the Company issued 1,475,949 shares of common stock under the Equity Program at a weighted average issue price of $106.64 per share, generating net proceeds of $155.8 million after deducting $1.6 million of sales commissions paid to the sales agents, as well as other expenses of $0.2 million. The Company used such proceeds primarily to fund a portion of the acquisition of the 31 storage facilities during the nine months ended September 30, 2020.

During the nine months ended September 30, 2019, the Company did not issue any shares of common stock under the Equity Program.

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 nine months ended September 30, 2020 or during 2019.

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 nine months ended September 30, 2020 and 2019.  

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Partners' Capital

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Partners' Capital

14. PARTNERS’ CAPITAL

The following is a reconciliation of the changes in total partners’ capital for the nine months ended September 30, 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
Earned portion of non-vested stock		11			1,060			—			1,071
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,609	)		—			(2,609	)
Net income attributable to common unitholders		366			36,091			—			36,457
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(504	)		(49,682	)		—			(50,186	)
Balance June 30, 2020		21,558			2,116,623			(5,500	)		2,132,681
Net proceeds from issuance of Operating Partnership Units		1,342			132,884			—			134,226
Earned portion of non-vested stock		12			1,095			—			1,107
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,948	)		—			(2,948	)
Purchases of equity in consolidated subsidiary from    noncontrolling interests		(23	)		(2,277	)		—			(2,300	)
Net income attributable to common unitholders		373			36,722			—			37,095
Amortization of terminated hedge included in AOCL		2			(2	)		230			230
Distributions		(505	)		(49,698	)		—			(50,203	)
Balance September 30, 2020	$	22,759		$	2,232,399		$	(5,270	)	$	2,249,888

The following is a reconciliation of the changes in total partners’ capital for the nine months ended September 30, 2019:

(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, 2018	$	20,816		$	2,043,796		$	(6,875	)	$	2,057,737
Earned portion of non-vested stock		14			1,382			—			1,396
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(294	)		—			(294	)
Net income attributable to common unitholders		347			34,107			—			34,454
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,162	)		—			(46,631	)
Balance March 31, 2019		20,710			2,032,827			(6,646	)		2,046,891
Earned portion of non-vested stock		9			831			—			840
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(150	)		—			(150	)
Net income attributable to common unitholders		409			40,333			—			40,742
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,163	)		—			(46,632	)
Balance June 30, 2019		20,661			2,027,676			(6,417	)		2,041,920
Exercise of stock options		4			465			—			469
Earned portion of non-vested stock		10			945			—			955
Carrying value less than redemption value on    redeemed noncontrolling interest		(1	)		1			—			—
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(1,606	)		—			(1,606	)
Net income attributable to common unitholders		1,408			138,594			—			140,002
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,182	)		—			(46,651	)
Balance September 30, 2019	$	21,615		$	2,119,891		$	(6,188	)	$	2,135,318

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Recent Accounting Pronouncements

9 Months Ended

Sep. 30, 2020

Accounting Changes And Error Corrections [Abstract]

Recent Accounting Pronouncements

15. RECENT ACCOUNTING PRONOUNCEMENTS

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credit Losses (Topic 326)” which makes significant changes to the accounting for credit losses on financial instruments and related disclosures about them. ASU 2016-13 is effective for annual periods beginning after December 15, 2019, and interim periods with those annual periods, and is therefore effective for the Company as of January 1, 2020. The adoption of ASU 2016-13 did not have a material impact to the Company on the date of adoption.

In August 2018, the FASB Issued ASU 2018-15, Intangibles – Goodwill and Other – Internal Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract, which provides guidance to assist entities in accounting for implementation, setup, and other upfront costs (collectively referred to as implementation costs) incurred by entities that are a customer in a hosting arrangement that is a service contract. The amendments in this update are effective for annual periods beginning after December 15, 2019, and interim periods within those annual periods. The adoption of ASU 2018-15 on January 1, 2020 did not have a material impact on the Company, though treatment of certain costs related to future cloud computing arrangements could be affected.

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Commitment and Contingencies

9 Months Ended

Sep. 30, 2020

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 September 30, 2020. At September 30, 2020 and December 31, 2019, the Company’s aggregate right-of-use assets total $20.6 million and $20.2 million, respectively, and are included in other assets on the consolidated balance sheet. The related lease liabilities at September 30, 2020 and December 31, 2019 total $20.2 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 $0.5 million and $0.6 million for the three months ended September 30, 2020 and 2019, respectively, and $1.6 million and $1.9 million for the nine months ended September 30, 2020 and 2019, respectively. At September 30, 2020, the weighted average remaining lease term and weighted average discount rate for the Company’s operating leases were 11.7 years and 4.66%, respectively.

At September 30, 2020, the Company has approximately $26.6 million of operating lease commitments, excluding variable consideration. The undiscounted future minimum lease payments are summarized by year in the table below:

(in thousands)
2020	$	449
2021		2,388
2022		2,388
2023		2,388
2024		2,374
Thereafter		16,583
Total	$	26,570

The difference between the amounts included in the table above and the aggregate lease liability recorded in the accompanying consolidated balance sheet at September 30, 2020 is the result of the impact of the discount rate on future minimum lease payments.

At September 30, 2020, the Company was under contract to acquire three self-storage facilities for an aggregate purchase price of $37.9 million. On November 5, 2020, the Company completed the acquisition of one of these self-storage facilities for a purchase price of $13.7 million. The purchases of the remaining two facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

At March 31, 2020, the Company was under contract to sell one of its self-storage facilities for $19.0 million. The sale of this self-storage facility did not occur and the Company is no longer under contract to sell this self-storage facility at September 30, 2020.

At September 30, 2020, the Company has signed contracts in place with third-party contractors for expansion and enhancements at its existing facilities. The Company expects to pay $16.0 million under these contracts in 2020 and 2021.

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Subsequent Events

9 Months Ended

Sep. 30, 2020

Subsequent Events [Abstract]

Subsequent Events

17. SUBSEQUENT EVENTS

On October 1, 2020, the Company declared a quarterly dividend of $1.07 per common share. The dividend was paid on October 26, 2020 to shareholders of record on October 13, 2020. The total dividend paid amounted to $52.0 million.     

As further discussed in Note 6, the Company paid off a $100 million term note on October 9, 2020.

Subsequent to September 30, 2020, the Company entered into contracts to acquire five self-storage facilities for an aggregate purchase price of $59.6 million. The purchases of these facilities are subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

As discussed in Note 16, on November 5, 2020, the Company acquired a self-storage facility for a purchase price of $13.7 million.

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Recent Accounting Pronouncements (Policies)

9 Months Ended

Sep. 30, 2020

Accounting Changes And Error Corrections [Abstract]

Recent Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credit Losses (Topic 326)” which makes significant changes to the accounting for credit losses on financial instruments and related disclosures about them. ASU 2016-13 is effective for annual periods beginning after December 15, 2019, and interim periods with those annual periods, and is therefore effective for the Company as of January 1, 2020. The adoption of ASU 2016-13 did not have a material impact to the Company on the date of adoption.

In August 2018, the FASB Issued ASU 2018-15, Intangibles – Goodwill and Other – Internal Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract, which provides guidance to assist entities in accounting for implementation, setup, and other upfront costs (collectively referred to as implementation costs) incurred by entities that are a customer in a hosting arrangement that is a service contract. The amendments in this update are effective for annual periods beginning after December 15, 2019, and interim periods within those annual periods. The adoption of ASU 2018-15 on January 1, 2020 did not have a material impact on the Company, though treatment of certain costs related to future cloud computing arrangements could be affected.

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Organization (Tables)

9 Months Ended

Sep. 30, 2020

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)	Nine Months Ended September 30, 2020
Beginning balance	$	26,307
Net income attributable to noncontrolling interest in the    Operating Partnership		576
Redemption of units		(265	)
Distributions		(785	)
Adjustment to redemption value		15
Ending balance	$	25,848

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 September 30, 2020		Three Months Ended September 30, 2019		Nine Months Ended September 30, 2020		Nine Months Ended September 30, 2019
Rental income	$	135,965	$	128,565	$	393,701	$	381,625
Management and acquisition fee income		4,518		3,809		13,107		10,156
Revenues related to tenant reinsurance		11,616		9,170		32,508		23,948
Other		4,211		4,090		10,950		11,457
Total operating revenues	$	156,310	$	145,634	$	450,266	$	427,186

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Cash and Restricted Cash (Tables)

9 Months Ended

Sep. 30, 2020

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)	September 30, 2020		December 31, 2019		September 30, 2019
Cash	$	110,247	$	17,458	$	16,371
Restricted cash		5,007		4,098		5,130
Total cash and restricted cash	$	115,254	$	21,556	$	21,501

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Investment in Storage Facilities and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Real Estate [Abstract]

Summary of Activity in Storage Facilities

The following summarizes our activity in storage facilities during the nine months ended September 30, 2020:

(dollars in thousands)
Cost:
Beginning balance	$	4,749,473
Acquisition of storage facilities		413,022
Improvements and equipment additions		43,888
Net decrease in construction in progress		(5,884	)
Dispositions		(247	)
Ending balance	$	5,200,252
Accumulated Depreciation:
Beginning balance	$	756,333
Additions during the period		86,424
Dispositions		(165	)
Ending balance	$	842,592

Schedule of Purchase Price of Facilities Acquired

The purchase prices of the facilities acquired in 2020 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		Mortgage Assumed		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		Construction in Progress		In-Place Customers Leases
CA		6	3/9/2020	$	124,298	$	124,204	$	—	$	94	$	20,307	$	101,734	$	582	$	1,675
FL, GA, NJ, OH, PA, TX		25	9/29/2020		295,310		293,726		—		1,584		32,555		257,844		—		4,911
Total acquired in 2020		31		$	419,608	$	417,930	$	—	$	1,678	$	52,862	$	359,578	$	582	$	6,586

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)	September 30, 2020			December 31, 2019
In-place customer leases	$	85,327		$	78,741
Accumulated amortization		(79,642	)		(75,832	)
Net carrying value at the end of period	$	5,685		$	2,909

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Unsecured Line of Credit and Term Notes (Tables)

9 Months Ended

Sep. 30, 2020

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)	September 30, 2020			December 31, 2019
Revolving line of credit borrowings	$	—		$	65,000
Term note due August 5, 2021		100,000			100,000
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			—
Total term note principal balance outstanding	$	2,275,000		$	1,875,000
Less: unamortized debt issuance costs		(13,277	)		(11,146	)
Less: unamortized senior term note discount		(6,940	)		(5,583	)
Term notes payable	$	2,254,783		$	1,858,271

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Mortgages Payable and Debt Maturities (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Summary of Mortgage Payable

Mortgages payable at September 30, 2020 and December 31, 2019 consist of the following:

(dollars in thousands)	September 30, 2020		December 31, 2019
4.98% mortgage note due January 1, 2021, secured by one    self-storage facility with an aggregate net book value of $9.3    million, principal and interest paid monthly    (effective interest rate 5.26%)	$	2,763	$	2,807
4.065% mortgage note due April 1, 2023, secured by one self-    storage facility with an aggregate net book value of $7.2    million, principal and interest paid monthly    (effective interest rate 4.34%)		3,858		3,932
5.26% mortgage note due November 1, 2023, secured by one    self-storage facility with an aggregate net book value of $7.9    million, principal and interest paid monthly    (effective interest rate 5.61%)		3,747		3,800
4.4625% mortgage notes due December 6, 2024, secured by    three self-storage facilities with an aggregate net book value    of $55.0 million, principal and interest paid monthly    (effective interest rate 3.19%)		22,749		22,942
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 6.38%)		1,235		1,370
Total mortgages payable	$	34,352	$	34,851

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)	2020		2021		2022		2023		2024		Thereafter		Total		Fair Value
Line of credit - variable rate    LIBOR + 0.95% (1.13% at   September 30, 2020)		—		—		—		—		—		—	$	—	$	—
Notes Payable:
Term note - fixed rate 5.54%		—	$	100,000		—		—		—		—	$	100,000	$	104,332
Term note - fixed rate 4.533%		—		—		—		—	$	175,000		—	$	175,000	$	197,640
Term note - fixed rate 3.50%		—		—		—		—		—	$	600,000	$	600,000	$	674,845
Term note - fixed rate 3.875%		—		—		—		—		—	$	450,000	$	450,000	$	514,557
Term note - fixed rate 3.67%		—		—		—		—		—	$	200,000	$	200,000	$	224,265
Term note - fixed rate 4.00%		—		—		—		—		—	$	350,000	$	350,000	$	399,957
Term note - fixed rate 2.20%		—		—		—		—		—	$	400,000	$	400,000	$	398,566
Mortgage note - fixed rate 4.98%	$	15	$	2,748		—		—		—		—	$	2,763	$	2,769
Mortgage note - fixed rate 4.065%	$	26	$	104	$	108	$	3,620		—		—	$	3,858	$	3,826
Mortgage note - fixed rate 5.26%	$	19	$	78	$	83	$	3,567		—		—	$	3,747	$	3,839
Mortgage notes - fixed rate 4.4625%		—		—		—		—	$	22,749		—	$	22,749	$	21,619
Mortgage note - fixed rate 5.99%	$	46	$	192	$	203	$	216	$	229	$	349	$	1,235	$	1,286
Total	$	106	$	103,122	$	394	$	7,403	$	197,978	$	2,000,349	$	2,309,352

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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2020

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Changes in AOCL

The changes in AOCL for the three and nine months ended September 30, 2020 and 2019 are summarized as follows:

(dollars in thousands)	Three Months Ended September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Accumulated other comprehensive loss beginning    of period	$	(5,500	)	$	(6,417	)	$	(5,958	)	$	(6,875	)
Realized loss reclassified from accumulated other    comprehensive loss to interest expense		230			229			688			687
Accumulated other comprehensive loss end of period	$	(5,270	)	$	(6,188	)	$	(5,270	)	$	(6,188	)

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Investment in Joint Ventures (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30, 2020		Company common ownership interest at September 30, 2020	Carrying value of investment at September 30, 2020		Carrying value of investment at December 31, 2019
Sovran HHF Storage Holdings LLC (“Sovran HHF”)1	36		20%	$61.3 million		$83.1 million
Sovran HHF Storage Holdings II LLC (“Sovran HHF II”)2	22		15%	$27.3 million		$13.9 million
191 III Life Storage Holdings LLC (“191 III”)3		—	20%		—	$8.9   million
Life Storage-SERS Storage LLC (“SERS”)	3		20%	$3.0   million		$3.2   million
Life Storage-HIERS Storage LLC (“HIERS”)4	17		20%	$14.4 million		$14.9 million
Iskalo Office Holdings, LLC (“Iskalo”)5	N/A		49%	($0.3   million)		($0.4   million)
Bluebird Sanford Storage LP ("Sanford")6	1		15%	$0.3   million		$0.3   million
Bluebird Ingram Storage LP ("Ingram")7	1		15%	$1.1   million		$1.2   million
Life Storage Spacemax, LLC ("Spacemax")8	6		40%	$16.8 million		$16.1 million
Life Storage Virtus, LLC ("Virtus")9	1		20%	$1.5   million			—
Joint ventures with properties in development stage10	5		Various	$6.4   million		$3.1   million
Other unconsolidated joint ventures (6 joint ventures)	6		Various	$10.0 million		$10.3 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 September 30, 2020, 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 has been placed into escrow until non-recourse loans related to these properties are able to be paid which is expected to occur in 2021. Also in connection with this transaction, the Company made a $12.7 million contribution to Sovran HHF II.}

^{3 191 III owned six self-storage facilities in California. The Company acquired these six self-storage facilities and related assets from 191 III in March 2020 for total contractual consideration of $124.2 million, which is net of the Company’s share of 191 III’s gain resulting from the transaction. In connection with this transaction, the non-recourse mortgage loan previously entered into by 191 III was settled. See Note 5 for additional information regarding this transaction. As 191 III no longer operates any self-storage facilities subsequent to the sale of the six self-storage facilities to the Company, the Company received a distribution of $8.4 million in March 2020 as the Company’s return of its remaining investment in 191 III. 191 III is expected to be dissolved later in 2020.}

⁴ In November 2019, HIERS acquired five self-storage facilities for a total of $56.3 million. In connection with the acquisition of these self-storage facilities, HIERS entered into $27.6 million of mortgage debt which is secured by the self-storage facilities acquired. During 2019, the Company contributed $5.7 million as is its share of capital to fund the acquisition of these five self-storage facilities.

^{5 Iskalo owns the building that houses the Company’s headquarters. The Company paid rent to Iskalo of $0.9 million during each of the nine months ended September 30, 2020 and 2019.}

^{6 In March 2019, the Company executed a joint venture agreement, Bluebird Sanford Storage LP, with an unrelated third-party with the purpose of acquiring and operating a self-storage facility. During 2019, Sanford acquired a self-storage facility for a total of $4.9 million. In connection with this acquisition, Sanford entered into $3.2 million of non-recourse mortgage debt. During 2019, the Company contributed $0.3 million to Sanford as the Company’s share of the initial capital investment in the joint venture.}

^{7 In March 2019, the Company executed a joint venture agreement, Bluebird Ingram Storage, LP, with an unrelated third-party with the purpose of acquiring, further developing, and operating a self-storage facility. During 2019, Ingram acquired a self-storage facility for a total of $20.7 million. In connection with this acquisition, Ingram entered into $17.6 million of non-recourse mortgage debt. During 2019, the Company contributed $1.3 million to Ingram as the Company’s share of the initial capital investment in the joint venture.}

⁸ In August 2019, the Company executed a joint venture agreement, Life Storage Spacemax, LLC, with an unrelated third-party with the purpose of acquiring and operating self-storage facilities. During 2019, Spacemax acquired six self-storage facilities for a total of $82.7 million. In connection with this acquisition, Spacemax entered into $42.0 million of non-recourse mortgage debt. During 2019, the Company contributed $16.3 million to Spacemax as the Company’s share of the initial capital investment in the joint venture.  

^{9 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.}

^{10 The Company has entered into five separate joint ventures, two of which are developing self-storage facilities in Ontario, Canada, and three of which are developing self-storage facilities in the New York City market. The Company has contributed an aggregate total of $6.4 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 September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Sovran HHF	$	1,320		$	934		$	3,103		$	2,643
Sovran HHF II		642			474			1,543			1,364
Other unconsolidated joint ventures		(133	)		(233	)		(731	)		(912	)
	$	1,829		$	1,175		$	3,915		$	3,095

Summary of Unconsolidated Joint Ventures' Financial Statements

A summary of the combined unconsolidated joint ventures’ financial statements as of and for the nine months ended September 30, 2020 is as follows:

(dollars in thousands)
Balance Sheet Data:
Investment in storage facilities, net	$	1,083,191
Investment in office building, net		4,109
Other assets		68,834
Total Assets	$	1,156,134
Due to the Company	$	3,223
Mortgages payable		525,713
Other liabilities		24,761
Total Liabilities	$	553,697
Unaffiliated partners’ equity		459,105
Company equity		143,332
Total Partners’ Equity		602,437
Total Liabilities and Partners’ Equity	$	1,156,134
Income Statement Data:
Total revenues	$	99,902
Property operating expenses		(31,102	)
Administrative, management and call center fees		(5,547	)
Gain on disposal of self-storage facilities		217,607
Depreciation and amortization of customer list		(23,383	)
Amortization of financing fees		(590	)
Income tax expense		(235	)
Interest expense		(17,638	)
Net income	$	239,014

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Earnings Per Share and Earnings Per Unit (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Numerator:
Net income attributable to common shareholders	$	37,095		$	140,002		$	109,984		$	215,198
Net income attributable to unvested restricted shares		(66	)		(272	)		(65	)		(136	)
Net income attributable to outstanding common shares	$	37,029		$	139,730		$	109,919		$	215,062
Denominator:
Denominator for basic earnings per share – weighted    average shares		47,224			46,586			46,915			46,578
Effect of Dilutive Securities:
Stock options and non-vested stock		76			71			71			64
Denominator for diluted earnings per share – adjusted    weighted average shares and assumed conversion		47,300			46,657			46,986			46,642
Basic earnings per common share attributable to    common shareholders	$	0.78		$	3.00		$	2.34		$	4.62
Diluted earnings per common share attributable to    common shareholders	$	0.78		$	2.99		$	2.34		$	4.61

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 September 30, 2020			Three Months Ended September 30, 2019			Nine Months Ended September 30, 2020			Nine Months Ended September 30, 2019
Numerator:
Net income attributable to common unitholders	$	37,095		$	140,002		$	109,984		$	215,198
Net income attributable to unvested restricted units		(66	)		(272	)		(65	)		(136	)
Net income attributable to outstanding units	$	37,029		$	139,730		$	109,919		$	215,062
Denominator:
Denominator for basic earnings per unit – weighted    average units		47,224			46,586			46,915			46,578
Effect of Dilutive Securities:
Stock options and non-vested stock		76			71			71			64
Denominator for diluted earnings per unit – adjusted    weighted average units and assumed conversion		47,300			46,657			46,986			46,642
Basic earnings per common unit attributable to    common unitholders	$	0.78		$	3.00		$	2.34		$	4.62
Diluted earnings per common unit attributable to    common unitholders	$	0.78		$	2.99		$	2.34		$	4.61

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Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2020

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 nine months ended September 30, 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
Earned portion of non-vested stock		—		1,071			—			—			1,071
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,609	)		—			(2,609	)
Net income attributable to common shareholders		—		—			36,457			—			36,457
Amortization of terminated hedge included in    AOCL		—		—			—			229			229
Dividends		—		—			(50,186	)		—			(50,186	)
Balance June 30, 2020		469		2,400,382			(262,670	)		(5,500	)		2,132,681
Net proceeds from issuance of common stock		13		134,213			—			—			134,226
Earned portion of non-vested stock		—		1,107			—			—			1,107
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—			(2,948	)		—			(2,948	)
Purchases of equity in consolidated subsidiary from    noncontrolling interests		—		(2,300	)		—			—			(2,300	)
Net income attributable to common shareholders		—		—			37,095			—			37,095
Amortization of terminated hedge included in    AOCL		—		—			—			230			230
Dividends		—		—			(50,203	)		—			(50,203	)
Balance September 30, 2020	$	482	$	2,533,402		$	(278,726	)	$	(5,270	)	$	2,249,888

The following is a reconciliation of the changes in the Parent Company’s total shareholders’ equity for the nine months ended September 30, 2019:

(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, 2018	$	466	$	2,372,157	$	(308,011	)	$	(6,875	)	$	2,057,737
Earned portion of non-vested stock		—		1,396		—			—			1,396
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(294	)		—			(294	)
Net income attributable to common shareholders		—		—		34,454			—			34,454
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,631	)		—			(46,631	)
Balance March 31, 2019		466		2,373,553		(320,482	)		(6,646	)		2,046,891
Issuance of non-vested stock		1		—		—			—			1
Earned portion of non-vested stock		—		839		—			—			839
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(150	)		—			(150	)
Net income attributable to common shareholders		—		—		40,742			—			40,742
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,632	)		—			(46,632	)
Balance June 30, 2019		467		2,374,392		(326,522	)		(6,417	)		2,041,920
Exercise of stock options		—		469		—			—			469
Earned portion of non-vested stock		—		955		—			—			955
Adjustment to redemption value on    noncontrolling redeemable Operating    Partnership units		—		—		(1,606	)		—			(1,606	)
Net income attributable to common shareholders		—		—		140,002			—			140,002
Amortization of terminated hedge included in    AOCL		—		—		—			229			229
Dividends		—		—		(46,651	)		—			(46,651	)
Balance September 30, 2019	$	467	$	2,375,816	$	(234,777	)	$	(6,188	)	$	2,135,318

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Partners' Capital (Tables)

9 Months Ended

Sep. 30, 2020

Equity [Abstract]

Reconciliation of Changes in Total Partners' Capital

The following is a reconciliation of the changes in total partners’ capital for the nine months ended September 30, 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
Earned portion of non-vested stock		11			1,060			—			1,071
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,609	)		—			(2,609	)
Net income attributable to common unitholders		366			36,091			—			36,457
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(504	)		(49,682	)		—			(50,186	)
Balance June 30, 2020		21,558			2,116,623			(5,500	)		2,132,681
Net proceeds from issuance of Operating Partnership Units		1,342			132,884			—			134,226
Earned portion of non-vested stock		12			1,095			—			1,107
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(2,948	)		—			(2,948	)
Purchases of equity in consolidated subsidiary from    noncontrolling interests		(23	)		(2,277	)		—			(2,300	)
Net income attributable to common unitholders		373			36,722			—			37,095
Amortization of terminated hedge included in AOCL		2			(2	)		230			230
Distributions		(505	)		(49,698	)		—			(50,203	)
Balance September 30, 2020	$	22,759		$	2,232,399		$	(5,270	)	$	2,249,888

The following is a reconciliation of the changes in total partners’ capital for the nine months ended September 30, 2019:

(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, 2018	$	20,816		$	2,043,796		$	(6,875	)	$	2,057,737
Earned portion of non-vested stock		14			1,382			—			1,396
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(294	)		—			(294	)
Net income attributable to common unitholders		347			34,107			—			34,454
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,162	)		—			(46,631	)
Balance March 31, 2019		20,710			2,032,827			(6,646	)		2,046,891
Earned portion of non-vested stock		9			831			—			840
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(150	)		—			(150	)
Net income attributable to common unitholders		409			40,333			—			40,742
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,163	)		—			(46,632	)
Balance June 30, 2019		20,661			2,027,676			(6,417	)		2,041,920
Exercise of stock options		4			465			—			469
Earned portion of non-vested stock		10			945			—			955
Carrying value less than redemption value on    redeemed noncontrolling interest		(1	)		1			—			—
Adjustment to redemption value on noncontrolling    redeemable Operating Partnership Units		—			(1,606	)		—			(1,606	)
Net income attributable to common unitholders		1,408			138,594			—			140,002
Amortization of terminated hedge included in AOCL		2			(2	)		229			229
Distributions		(469	)		(46,182	)		—			(46,651	)
Balance September 30, 2019	$	21,615		$	2,119,891		$	(6,188	)	$	2,135,318

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Commitment and Contingencies (Tables)

9 Months Ended

Sep. 30, 2020

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)
2020	$	449
2021		2,388
2022		2,388
2023		2,388
2024		2,374
Thereafter		16,583
Total	$	26,570

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Organization - Additional Information (Detail) $ in Thousands		9 Months Ended
	Jul. 02, 2020 USD ($)	Sep. 30, 2020 USD ($) Property State shares	Sep. 30, 2019 USD ($)	Jun. 30, 2020	Dec. 31, 2019 shares
Organization [Line Items]
Number of self-storage properties owned and managed | Property		905
Number of states in which self-storage properties owned and managed | State		30
Number of properties managed under joint ventures | Property		93
Number of properties managed with no ownership | Property		224
Cash payment for property acquisition		$ 417,930	$ 354,712
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		19.00%
Geographic Concentration Risk [Member] | Florida [Member] | Revenue [Member]
Organization [Line Items]
Concentration risk, percentage		13.00%
Life Storage LP [Member]
Organization [Line Items]
Cash payment for property acquisition		$ 417,930	$ 354,712
Units of redeemable noncontrolling interest in operating partnership | shares		243,966			246,466
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		99.50%
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%
Cash payment for property acquisition	$ 2,000
Estimated potential future payment		$ 300

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Organization - Summary of Reconciliation of Noncontrolling Interests (Detail) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Redeemable Noncontrolling Interest Equity Fair Value [Abstract]
Noncontrolling interest, beginning balance			$ 26,307				$ 26,307
Net income attributable to noncontrolling interest in the Operating Partnership	$ 193			$ 744			576	$ 1,148
Redemption of units							(265)
Distributions							(785)
Adjustment to redemption value	2,948	$ 2,609	$ (5,542)	$ 1,606	$ 150	$ 294	15
Noncontrolling interest, ending balance	$ 25,848						$ 25,848

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Organization - Summary of Disaggregated Revenues (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation Of Revenue [Line Items]
Rental income	$ 135,965	$ 128,565	$ 393,701	$ 381,625
Operating revenues other than rental income	20,345	17,069	56,565	45,561
Total operating revenues	156,310	145,634	450,266	427,186
Management and Acquisition Fee Income [Member]
Disaggregation Of Revenue [Line Items]
Operating revenues other than rental income	4,518	3,809	13,107	10,156
Revenues Related to Tenant Reinsurance [Member]
Disaggregation Of Revenue [Line Items]
Operating revenues other than rental income	11,616	9,170	32,508	23,948
Other Operating Income [Member]
Disaggregation Of Revenue [Line Items]
Operating revenues other than rental income	$ 4,211	$ 4,090	$ 10,950	$ 11,457

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Stock Based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amortization of non-vested stock grants and performance-based awards	$ 1,107,000	$ 955,000	$ 3,380,000	$ 3,284,000
Stock options exercised by employees and directors	0	0	0	0
Number of shares of non-vested stock that vested	379	375	17,775	23,948
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			$ 400,000
Performance Shares [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted under performance plan			7,294
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			16,415
Aggregate fair value			$ 1,500,000
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			$ 87.59
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			$ 108.20

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Cash and Restricted Cash - Summary of Reconciliation of Cash and Restricted Cash (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Cash And Cash Equivalents [Abstract]
Cash	$ 110,247	$ 17,458	$ 16,371
Restricted cash	5,007	4,098	5,130
Total cash and restricted cash	$ 115,254	$ 21,556	$ 21,501	$ 14,065

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Investment in Storage Facilities and Intangible Assets - Summary of Activity in Storage Facilities (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Cost:
Beginning balance	$ 4,749,473
Acquisition of storage facilities	413,022
Improvements and equipment additions	43,888
Net decrease in construction in progress	(5,884)
Dispositions	(247)
Ending balance	5,200,252
Accumulated Depreciation:
Beginning balance	756,333
Additions during the period	86,424
Dispositions	(165)
Ending balance	$ 842,592

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Investment in Storage Facilities and Intangible Assets - Additional Information (Detail) $ / shares in Units, $ in Thousands	3 Months Ended				9 Months Ended
	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($) Property $ / shares	Mar. 31, 2020 USD ($) Property	Sep. 30, 2019 USD ($) $ / shares	Sep. 30, 2020 USD ($) Property $ / shares	Sep. 30, 2019 USD ($) $ / shares
Investment Holdings [Line Items]
Number of storage facilities acquired | Property					31
Cash payment for property acquisition					$ 417,930
Received return on investment					9,246	$ 7,419
Net other liabilities assumed					$ 1,700
Amortization period for in-place customer leases on a straight-line basis					12 months
Amortization expense related to in-place customer leases		$ 1,100		$ 800	$ 3,800	1,700
Increase in depreciation expense due to facility replacement		4,400		$ 300	4,400	$ 1,100
Estimate increase in depreciation expense due to facility replacement during remainder of 2020		$ 1,100			$ 1,100
Accelerated depreciation reduced basic and diluted earnings per share | $ / shares		$ 0.09			$ 0.09	$ 0.02
Maximum [Member]
Investment Holdings [Line Items]
Accelerated depreciation reduced basic and diluted earnings per share | $ / shares				$ 0.01
Forecast [Member]
Investment Holdings [Line Items]
Estimate increase in depreciation expense due to facility replacement	$ 1,100
191 III Life Storage Holdings LLC [Member]
Investment Holdings [Line Items]
Number of storage facilities acquired | Property			6
Company common ownership interest			20.00%
Cash payment for property acquisition			$ 124,200
Received return on investment			$ 8,400
Sovran HHF Storage Holdings LLC and Sovran HHF Storage Holdings II LLC [Member]
Investment Holdings [Line Items]
Number of storage facilities acquired | Property		25
Cash payment for property acquisition		$ 293,700
Received return on investment		$ 32,700
Sovran HHF Storage Holdings LLC [Member]
Investment Holdings [Line Items]
Number of storage facilities acquired | Property		17
Company common ownership interest		20.00%			20.00%
Sovran HHF Storage Holdings II LLC [Member]
Investment Holdings [Line Items]
Number of storage facilities acquired | Property		8
Company common ownership interest		15.00%			15.00%

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Investment in Storage Facilities and Intangible Assets - Schedule of Purchase Price of Facilities Acquired (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($) Property
Investment Holdings [Line Items]
Number of Properties | Property	31
Purchase Price	$ 419,608
Consideration paid, Cash Paid	417,930
Consideration paid, Net Other Liabilities (Assets) Assumed	1,678
Acquisition Date Fair Value, In-Place Customer Leases	6,586
Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	52,862
Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	359,578
Construction in Progress [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 582
CA [Member] | Asset Acquired on 3/9/2020 [Member]
Investment Holdings [Line Items]
Number of Properties | Property	6
Date of Acquisition	Mar. 09, 2020
Purchase Price	$ 124,298
Consideration paid, Cash Paid	124,204
Consideration paid, Net Other Liabilities (Assets) Assumed	94
Acquisition Date Fair Value, In-Place Customer Leases	1,675
CA [Member] | Asset Acquired on 3/9/2020 [Member] | Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	20,307
CA [Member] | Asset Acquired on 3/9/2020 [Member] | Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	101,734
CA [Member] | Asset Acquired on 3/9/2020 [Member] | Construction in Progress [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 582
FL, GA, NJ, OH, PA, TX [Member]
Investment Holdings [Line Items]
Number of Properties | Property	25
Date of Acquisition	Sep. 29, 2020
Purchase Price	$ 295,310
Consideration paid, Cash Paid	293,726
Consideration paid, Net Other Liabilities (Assets) Assumed	1,584
Acquisition Date Fair Value, In-Place Customer Leases	4,911
FL, GA, NJ, OH, PA, TX [Member] | Land [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	32,555
FL, GA, NJ, OH, PA, TX [Member] | Building, Equipment and Improvements [Member]
Investment Holdings [Line Items]
Acquisition Date Fair Value, Fixed Assets	$ 257,844

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Investment in Storage Facilities and Intangible Assets - Schedule of In-place Customer Leases (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Real Estate [Abstract]
In-place customer leases	$ 85,327	$ 78,741
Accumulated amortization	(79,642)	(75,832)
Net carrying value at the end of period	$ 5,685	$ 2,909

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Unsecured Line of Credit and Term Notes - Borrowings Outstanding on Unsecured Line of Credit and Term Notes (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Revolving line of credit borrowings		$ 65,000
Total term note principal balance outstanding	$ 2,275,000	1,875,000
Less: unamortized debt issuance costs	(13,277)	(11,146)
Less: unamortized senior term note discount	(6,940)	(5,583)
Term notes payable	2,254,783	1,858,271
Term Note Due August 5, 2021 [Member]
Debt Instrument [Line Items]
Total term note principal balance outstanding	100,000	100,000
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

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Unsecured Line of Credit and Term Notes - Additional Information (Detail) - USD ($)								3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 09, 2020	Sep. 23, 2020	Jun. 03, 2019	Dec. 07, 2017	Jul. 21, 2016	Jun. 20, 2016	Apr. 08, 2014	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2011	Dec. 31, 2019
Debt Instrument [Line Items]
Amount available on unsecured revolving line of credit								$ 499,900,000		$ 499,900,000
Unamortized senior term note discount								6,940,000		6,940,000			$ 5,583,000
Underwriting discount and other offering expenses										3,480,000	$ 3,099,000
Amortization expense related to deferred debt issuance costs										$ 3,033,000	2,873,000
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%
Term Note Due August 5, 2021 [Member]
Debt Instrument [Line Items]
Debt instrument,maturity date												Aug. 05, 2021
Debt instrument stated interest rate												5.54%
Additional secured term note												$ 100,000,000
Term Note Due August 5, 2021 [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Repayments of term debt	$ 100,000,000
Debt instrument whole payment required as a result of paying off term note prior to its maturity	$ 4,000,000.0
Term Note Due August 5, 2021 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument stated interest rate												7.29%
Senior Notes and Term Notes [Member]
Debt Instrument [Line Items]
Amortization expense related to deferred debt issuance costs								600,000	$ 600,000	$ 1,800,000	$ 1,700,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit limit								$ 500,000,000		$ 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								1.13%		1.13%			2.75%
Revolving Credit Facility [Member] | Term Note Due June 4, 2020 [Member]
Debt Instrument [Line Items]
Debt instrument principal amount								$ 100,000,000		$ 100,000,000
Basis spread over LIBOR										1.00%
Debt instrument variable interest rate								1.18%		1.18%			2.80%
Principal amount paid off										$ 100,000,000
Revolving Credit Facility [Member] | Term Note [Member]
Debt Instrument [Line Items]
Revolving credit limit								$ 900,000,000		$ 900,000,000

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Mortgages Payable and Debt Maturities - Summary of Mortgage Payable (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Mortgages payable	$ 34,352	$ 34,851
4.98% Mortgage Note Due January 1, 2021 [Member]
Debt Instrument [Line Items]
Mortgages payable	2,763	2,807
4.065% Mortgage Note Due April 1, 2023 [Member]
Debt Instrument [Line Items]
Mortgages payable	3,858	3,932
5.26% Mortgage Note Due November 1, 2023 [Member]
Debt Instrument [Line Items]
Mortgages payable	3,747	3,800
4.4625% Mortgage Note Due December 6, 2024 [Member]
Debt Instrument [Line Items]
Mortgages payable	22,749	22,942
5.99% Mortgage Note Due May 1, 2026 [Member]
Debt Instrument [Line Items]
Mortgages payable	$ 1,235	$ 1,370

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Mortgages Payable and Debt Maturities - Summary of Mortgage Payable (Parenthetical) (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($) Facility
4.98% Mortgage Note Due January 1, 2021 [Member]
Debt Instrument [Line Items]
Interest rate	4.98%
Mortgage note due date	Jan. 01, 2021
Self-storage facilities | Facility	1
Aggregate net book value of property pledged for mortgage note | $	$ 9.3
Effective interest rate	5.26%
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 | $	$ 7.2
Effective interest rate	4.34%
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 | $	$ 7.9
Effective interest rate	5.61%
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 | $	$ 55.0
Effective interest rate	3.19%
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	6.38%

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Mortgages Payable and Debt Maturities - Summary of Debt Obligation and Interest Rate Derivatives (Detail) $ in Thousands	Sep. 30, 2020 USD ($)
Debt Instrument [Line Items]
Payables due 2020	$ 106
Payables due 2021	103,122
Payables due 2022	394
Payables due 2023	7,403
Payables due 2024	197,978
Payables due Thereafter	2,000,349
Debt obligations	2,309,352
Term Note - Fixed Rate 5.54% [Member]
Debt Instrument [Line Items]
Payables due 2021	100,000
Debt obligations	100,000
Term note, fair value	104,332
Term Note - Fixed Rate 4.533% [Member]
Debt Instrument [Line Items]
Payables due 2024	175,000
Debt obligations	175,000
Term note, fair value	197,640
Term Note - Fixed Rate 3.50% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	600,000
Debt obligations	600,000
Term note, fair value	674,845
Term Note - Fixed Rate 3.875% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	450,000
Debt obligations	450,000
Term note, fair value	514,557
Term Note - Fixed Rate 3.67% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	200,000
Debt obligations	200,000
Term note, fair value	224,265
Term Note - Fixed Rate 4.00% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	350,000
Debt obligations	350,000
Term note, fair value	399,957
Term Note - Fixed Rate 2.20% [Member]
Debt Instrument [Line Items]
Payables due Thereafter	400,000
Debt obligations	400,000
Term note, fair value	398,566
Mortgage Note - Fixed Rate 4.98% [Member]
Debt Instrument [Line Items]
Payables due 2020	15
Payables due 2021	2,748
Debt obligations	2,763
Debt instrument, fair value	2,769
Mortgage Note - Fixed Rate 4.065% [Member]
Debt Instrument [Line Items]
Payables due 2020	26
Payables due 2021	104
Payables due 2022	108
Payables due 2023	3,620
Debt obligations	3,858
Debt instrument, fair value	3,826
Mortgage Note - Fixed Rate 5.26% [Member]
Debt Instrument [Line Items]
Payables due 2020	19
Payables due 2021	78
Payables due 2022	83
Payables due 2023	3,567
Debt obligations	3,747
Debt instrument, fair value	3,839
Mortgage Note - Fixed Rate 4.4625% [Member]
Debt Instrument [Line Items]
Payables due 2024	22,749
Debt obligations	22,749
Debt instrument, fair value	21,619
Mortgage Note - Fixed Rate 5.99% [Member]
Debt Instrument [Line Items]
Payables due 2020	46
Payables due 2021	192
Payables due 2022	203
Payables due 2023	216
Payables due 2024	229
Payables due Thereafter	349
Debt obligations	1,235
Debt instrument, fair value	$ 1,286

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Mortgages Payable and Debt Maturities - Summary of Debt Obligation and Interest Rate Derivatives (Parenthetical) (Detail)	9 Months Ended
	Sep. 30, 2020
Line of credit - variable rate LIBOR + 0.95% (1.13% at September 30, 2020) [Member]
Debt Instrument [Line Items]
Interest rate at end of period	1.13%
Basis spread over LIBOR	0.95%
Term Note - Fixed Rate 5.54% [Member]
Debt Instrument [Line Items]
Interest rate	5.54%
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 4.98% [Member]
Debt Instrument [Line Items]
Interest rate	4.98%
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 5.99% [Member]
Debt Instrument [Line Items]
Interest rate	5.99%

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Derivative Financial Instruments - Additional Information (Detail) - Senior Term Note Due July 1, 2026 [Member] $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Derivative [Line Items]
Settlement of forward starting swap agreements	$ 9.2
Amortized period on interest expense	10 years

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Derivative Financial Instruments - Summary of Changes in AOCL (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss beginning of period			$ 2,132,894
Realized loss reclassified from accumulated other comprehensive loss to interest expense	$ 230	$ 229	688	$ 687
Accumulated other comprehensive loss end of period	2,249,888		2,249,888
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	(5,500)	(6,417)	(5,958)	(6,875)
Accumulated other comprehensive loss end of period	$ (5,270)	$ (6,188)	$ (5,270)	$ (6,188)

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Fair Value Measurements - Additional Information (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($)	Sep. 30, 2020	Dec. 31, 2019
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

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Investment in Joint Ventures - Summary of Company's Unconsolidated Joint Ventures (Detail) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($) Property	Dec. 31, 2019 USD ($)
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	$ 61.3	$ 83.1
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	$ 27.3	13.9
191 III Life Storage Holdings LLC [Member]
Schedule of Equity Method Investments [Line Items]
Company common ownership interest	20.00%
Carrying value of investment		8.9
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	3.2
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	$ 14.4	14.9
Iskalo Office Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Company common ownership interest	49.00%
Carrying value of investment	$ (0.3)	(0.4)
Bluebird Sanford Storage LP [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	1
Company common ownership interest	15.00%
Carrying value of investment	$ 0.3	0.3
Bluebird Ingram Storage LP [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	1
Company common ownership interest	15.00%
Carrying value of investment	$ 1.1	1.2
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	$ 16.8	16.1
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	$ 1.5
Joint Ventures with Properties in Development Stage [Member]
Schedule of Equity Method Investments [Line Items]
Number of Properties | Property	5
Company common ownership interest	Various
Carrying value of investment	$ 6.4	3.1
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	$ 10.0	$ 10.3

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Investment in Joint Ventures - Summary of Company's Unconsolidated Joint Ventures (Parenthetical) (Detail) $ in Thousands	1 Months Ended			3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020 USD ($) Property	Mar. 31, 2020 USD ($) Property	Nov. 30, 2019 USD ($) Property	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Property	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) Property
Schedule of Equity Method Investments [Line Items]
Number of storage facilities acquired | Property						31
Gain on sale of storage facilities					$ 100,222		$ 100,222
Distributions from unconsolidated joint ventures						$ 9,246	7,419
Cash payment for property acquisition						417,930	354,712
Mortgages payable	$ 34,352					$ 34,352		$ 34,851
Ontario, Canada [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint venture developing self-storage facilities | Property	2					2
New York City [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint venture developing self-storage facilities | Property	3					3
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					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
191 III Life Storage Holdings LLC [Member]
Schedule of Equity Method Investments [Line Items]
Payment for property acquisition		$ 124,200
Distributions from unconsolidated joint ventures		$ 8,400
191 III Life Storage Holdings LLC [Member] | Storage Facilities [Member] | California [Member]
Schedule of Equity Method Investments [Line Items]
Number of storage facilities acquired | Property		6
Life Storage-HIERS Storage LLC [Member]
Schedule of Equity Method Investments [Line Items]
Contribution of company to joint venture as share in capital								$ 5,700
Life Storage-HIERS Storage LLC [Member] | Storage Facilities [Member]
Schedule of Equity Method Investments [Line Items]
Number of storage facilities acquired | Property			5					5
Cash payment for property acquisition			$ 56,300
Mortgages payable			$ 27,600
Iskalo Office Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Rent paid during the period						900	$ 900
Bluebird Sanford Storage LP [Member]
Schedule of Equity Method Investments [Line Items]
Contribution of company to joint venture as share in capital								$ 300
Bluebird Sanford Storage LP [Member] | Storage Facilities [Member]
Schedule of Equity Method Investments [Line Items]
Cash payment for property acquisition								4,900
Mortgages payable								3,200
Bluebird Ingram Storage LP [Member]
Schedule of Equity Method Investments [Line Items]
Contribution of company to joint venture as share in capital								1,300
Bluebird Ingram Storage LP [Member] | Storage Facilities [Member]
Schedule of Equity Method Investments [Line Items]
Cash payment for property acquisition								20,700
Mortgages payable								17,600
Life Storage Spacemax, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Contribution of company to joint venture as share in capital								16,300
Life Storage Spacemax, LLC [Member] | Storage Facilities [Member]
Schedule of Equity Method Investments [Line Items]
Cash payment for property acquisition								82,700
Mortgages payable								$ 42,000
Number of self-storage facilities | Property								6
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		$ 14,000
Joint Ventures with Properties in Development Stage [Member]
Schedule of Equity Method Investments [Line Items]
Number Of joint ventures | Property						5
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						$ 6,400

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Investment in Joint Ventures - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operational Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Management and call center fee earned	$ 2.2	$ 2.2	$ 6.7	$ 6.4

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Investment in Joint Ventures - Company's Share of Unconsolidated Joint Ventures' Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	$ 1,829	$ 1,175	$ 3,915	$ 3,095
Sovran HHF Storage Holdings LLC [Member]
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	1,320	934	3,103	2,643
Sovran HHF Storage Holdings II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	642	474	1,543	1,364
Other Unconsolidated Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	$ (133)	$ (233)	$ (731)	$ (912)

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Investment in Joint Ventures - Summary of Unconsolidated Joint Ventures' Financial Statements (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Investment in storage facilities, net	$ 4,357,660		$ 4,357,660				$ 3,993,140
Other assets	33,221		33,221				29,591
Total Assets	4,689,055		4,689,055				4,232,964
Mortgages payable	34,352		34,352				34,851
Total Liabilities	2,413,319		2,413,319				2,073,763
Unaffiliated partners’ equity	0		0				0
Company equity	2,249,888	$ 2,135,318	2,249,888	$ 2,135,318	$ 2,132,681	$ 2,147,719	2,132,894	$ 2,041,920	$ 2,046,891	$ 2,057,737
Total Equity	2,249,888		2,249,888				2,132,894
Total Liabilities and Shareholders' Equity/ Partners' Capital	4,689,055		4,689,055				$ 4,232,964
Total revenues	156,310	145,634	450,266	427,186
Depreciation and amortization of customer list	(33,018)	(26,854)	(90,335)	(79,239)
Amortization of financing fees			(3,033)	(2,873)
Interest expense	(20,544)	(19,760)	(61,056)	(56,339)
Net income	37,288	$ 140,746	110,560	$ 216,346
Unconsolidated Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Investment in storage facilities, net	1,083,191		1,083,191
Investment in office building, net	4,109		4,109
Other assets	68,834		68,834
Total Assets	1,156,134		1,156,134
Due to the Company	3,223		3,223
Mortgages payable	525,713		525,713
Other liabilities	24,761		24,761
Total Liabilities	553,697		553,697
Unaffiliated partners’ equity	459,105		459,105
Company equity	143,332		143,332
Total Equity	602,437		602,437
Total Liabilities and Shareholders' Equity/ Partners' Capital	$ 1,156,134		1,156,134
Total revenues			99,902
Property operating expenses			(31,102)
Administrative, management and call center fees			(5,547)
Gain on disposal of self-storage facilities			217,607
Depreciation and amortization of customer list			(23,383)
Amortization of financing fees			(590)
Income tax expense			(235)
Interest expense			(17,638)
Net income			$ 239,014

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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2017	Dec. 31, 2019
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits	$ 0	$ 0	$ 0	$ 0
Interest or penalties related to uncertain tax positions	0	0	0	0
Deferred tax assets	300,000		300,000			$ 1,600,000
Deferred tax liability	2,400,000		$ 2,400,000			$ 2,400,000
Corporate income tax rate			21.00%		35.00%
Tax Year 2016 [Member]
Tax Credit Carryforward [Line Items]
Tax years open to examination			2016
Tax Year 2019 [Member]
Tax Credit Carryforward [Line Items]
Tax years open to examination			2019
General and Administrative Expense [Member]
Tax Credit Carryforward [Line Items]
Federal and state income tax expense (benefit)	$ 1,000,000.0	$ 500,000	$ 2,600,000	$ 1,700,000

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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						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator:
Net income attributable to common shareholders/unitholders	$ 37,095	$ 36,457	$ 36,433	$ 140,002	$ 40,742	$ 34,454	$ 109,984	$ 215,198
Net income attributable to unvested restricted shares	(66)			(272)			(65)	(136)
Net income attributable to outstanding common shares	$ 37,029			$ 139,730			$ 109,919	$ 215,062
Denominator:
Denominator for basic earnings per share/unit - weighted average shares/units	47,223,842			46,586,030			46,915,323	46,577,704
Effect of Dilutive Securities:
Stock options and non-vested stock	76,000			71,000			71,000	64,000
Denominator for diluted earnings per share/unit - adjusted weighted average shares/units and assumed conversion	47,299,906			46,657,105			46,985,647	46,641,673
Basic earnings per common share/unit attributable to common shareholders/unitholders	$ 0.78			$ 3.00			$ 2.34	$ 4.62
Diluted earnings per common share/unit attributable to common shareholders/unitholders	$ 0.78			$ 2.99			$ 2.34	$ 4.61
Life Storage LP [Member]
Numerator:
Net income attributable to common shareholders/unitholders	$ 37,095	$ 36,457	$ 36,433	$ 140,002	$ 40,742	$ 34,454	$ 109,984	$ 215,198
Net income attributable to unvested restricted shares	(66)			(272)			(65)	(136)
Net income attributable to outstanding common shares	$ 37,029			$ 139,730			$ 109,919	$ 215,062
Denominator:
Denominator for basic earnings per share/unit - weighted average shares/units	47,223,842			46,586,030			46,915,323	46,577,704
Effect of Dilutive Securities:
Stock options and non-vested stock	76,000			71,000			71,000	64,000
Denominator for diluted earnings per share/unit - adjusted weighted average shares/units and assumed conversion	47,299,906			46,657,105			46,985,647	46,641,673
Basic earnings per common share/unit attributable to common shareholders/unitholders	$ 0.78			$ 3.00			$ 2.34	$ 4.62
Diluted earnings per common share/unit attributable to common shareholders/unitholders	$ 0.78			$ 2.99			$ 2.34	$ 4.61

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Earnings Per Share and Earnings Per Unit - Additional Information (Detail) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities not included in the effect of dilutive securities	92,123	73,816	102,714	76,565

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Shareholders' Equity - Reconciliation of Changes in Parent Company's Total Shareholders' Equity (Detail) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Beginning Balance	$ 2,132,681	$ 2,147,719	$ 2,132,894	$ 2,041,920	$ 2,046,891	$ 2,057,737	$ 2,132,894	$ 2,057,737
Issuance of non-vested stock					1
Exercise of stock options				469
Net proceeds from issuance of common stock	134,226		21,466
Earned portion of non-vested stock	1,107	1,071	1,124	955	839	1,396
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units	(2,948)	(2,609)	5,542	(1,606)	(150)	(294)	(15)
Purchases of equity in consolidated subsidiary from noncontrolling interests	(2,300)
Net income attributable to common shareholders	37,095	36,457	36,433	140,002	40,742	34,454	109,984	215,198
Amortization of terminated hedge included in AOCL	230	229	229	229	229	229
Dividends	(50,203)	(50,186)	(49,969)	(46,651)	(46,632)	(46,631)
Ending Balance	2,249,888	2,132,681	2,147,719	2,135,318	2,041,920	2,046,891	2,249,888	2,135,318
Common Stock Shares [Member]
Beginning Balance	469	469	467	467	466	466	467	466
Issuance of non-vested stock					1
Net proceeds from issuance of common stock	13		2
Ending Balance	482	469	469	467	467	466	482	467
Additional Paid-in Capital [Member]
Beginning Balance	2,400,382	2,399,311	2,376,723	2,374,392	2,373,553	2,372,157	2,376,723	2,372,157
Exercise of stock options				469
Net proceeds from issuance of common stock	134,213		21,464
Earned portion of non-vested stock	1,107	1,071	1,124	955	839	1,396
Purchases of equity in consolidated subsidiary from noncontrolling interests	(2,300)
Ending Balance	2,533,402	2,400,382	2,399,311	2,375,816	2,374,392	2,373,553	2,533,402	2,375,816
Dividends in Excess of Net Income [Member]
Beginning Balance	(262,670)	(246,332)	(238,338)	(326,522)	(320,482)	(308,011)	(238,338)	(308,011)
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units	(2,948)	(2,609)	5,542	(1,606)	(150)	(294)
Net income attributable to common shareholders	37,095	36,457	36,433	140,002	40,742	34,454
Dividends	(50,203)	(50,186)	(49,969)	(46,651)	(46,632)	(46,631)
Ending Balance	(278,726)	(262,670)	(246,332)	(234,777)	(326,522)	(320,482)	(278,726)	(234,777)
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance	(5,500)	(5,729)	(5,958)	(6,417)	(6,646)	(6,875)	(5,958)	(6,875)
Amortization of terminated hedge included in AOCL	230	229	229	229	229	229
Ending Balance	$ (5,270)	$ (5,500)	$ (5,729)	$ (6,188)	$ (6,417)	$ (6,646)	$ (5,270)	$ (6,188)

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Shareholders' Equity - Additional Information (Detail)	9 Months Ended		12 Months Ended
	Sep. 30, 2020 USD ($) Property $ / shares shares	Sep. 30, 2019 shares	Dec. 31, 2019 shares	Jun. 14, 2018 USD ($)	Aug. 02, 2017 USD ($)
Stockholders Equity [Line Items]
Common stock value authorized under equity offering program				$ 300,000,000
Number of storage facilities acquired | Property	31
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
Equity Program [Member]
Stockholders Equity [Line Items]
Common stock shares issued under equity offering program | shares	1,475,949	0
Weighted average issue price | $ / shares	$ 106.64
Proceeds from issuance of common stock	$ 155,800,000
Sales commissions paid	1,600,000
Other expenses	$ 200,000

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Partners' Capital - Reconciliation of Change in Total Partners' Capital (Detail) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Partners Capital [Line Items]
Exercise of stock options				$ 469
Earned portion of non-vested stock	$ 1,107	$ 1,071	$ 1,124	955	$ 839	$ 1,396
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units	2,948	2,609	(5,542)	1,606	150	294	$ 15
Purchases of equity in consolidated subsidiary from noncontrolling interests							(265)
Net income attributable to common shareholders/unitholders	37,095	36,457	36,433	140,002	40,742	34,454	109,984	$ 215,198
Amortization of terminated hedge included in AOCL	230	229	229	229	229	229
Life Storage LP [Member]
Partners Capital [Line Items]
Beginning balance of total controlling partners’ capital	2,132,681	2,147,719	2,132,894	2,041,920	2,046,891	2,057,737	2,132,894	2,057,737
Exercise of stock options				469
Net proceeds from issuance of Operating Partnership Units	134,226		21,466
Earned portion of non-vested stock	1,107	1,071	1,124	955	840	1,396
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units	(2,948)	(2,609)	5,542	(1,606)	(150)	(294)
Purchases of equity in consolidated subsidiary from noncontrolling interests	(2,300)
Net income attributable to common shareholders/unitholders	37,095	36,457	36,433	140,002	40,742	34,454	109,984	215,198
Amortization of terminated hedge included in AOCL	230	229	229	229	229	229
Distributions	(50,203)	(50,186)	(49,969)	(46,651)	(46,632)	(46,631)
Ending balance of total controlling partners’ capital	2,249,888	2,132,681	2,147,719	2,135,318	2,041,920	2,046,891	2,249,888	2,135,318
Life Storage LP [Member] | Life Storage Holdings, Inc. General Partner [Member]
Partners Capital [Line Items]
Beginning balance of total controlling partners’ capital	21,558	21,683	21,594	20,661	20,710	20,816	21,594	20,816
Exercise of stock options				4
Net proceeds from issuance of Operating Partnership Units	1,342		212
Earned portion of non-vested stock	12	11	11	10	9	14
Carrying value less than redemption value on redeemed noncontrolling interest				(1)
Purchases of equity in consolidated subsidiary from noncontrolling interests	(23)
Net income attributable to common shareholders/unitholders	373	366	366	1,408	409	347
Amortization of terminated hedge included in AOCL	2	2	2	2	2	2
Distributions	(505)	(504)	(502)	(469)	(469)	(469)
Ending balance of total controlling partners’ capital	22,759	21,558	21,683	21,615	20,661	20,710	22,759	21,615
Life Storage LP [Member] | Life Storage, Inc. Limited Partner [Member]
Partners Capital [Line Items]
Beginning balance of total controlling partners’ capital	2,116,623	2,131,765	2,117,258	2,027,676	2,032,827	2,043,796	2,117,258	2,043,796
Exercise of stock options				465
Net proceeds from issuance of Operating Partnership Units	132,884		21,254
Earned portion of non-vested stock	1,095	1,060	1,113	945	831	1,382
Carrying value less than redemption value on redeemed noncontrolling interest				1
Adjustment to redemption value on noncontrolling redeemable Operating Partnership Units	(2,948)	(2,609)	5,542	(1,606)	(150)	(294)
Purchases of equity in consolidated subsidiary from noncontrolling interests	(2,277)
Net income attributable to common shareholders/unitholders	36,722	36,091	36,067	138,594	40,333	34,107
Amortization of terminated hedge included in AOCL	(2)	(2)	(2)	(2)	(2)	(2)
Distributions	(49,698)	(49,682)	(49,467)	(46,182)	(46,163)	(46,162)
Ending balance of total controlling partners’ capital	2,232,399	2,116,623	2,131,765	2,119,891	2,027,676	2,032,827	2,232,399	2,119,891
Accumulated Other Comprehensive Income (Loss) [Member]
Partners Capital [Line Items]
Amortization of terminated hedge included in AOCL	230	229	229	229	229	229
Accumulated Other Comprehensive Income (Loss) [Member] | Life Storage LP [Member]
Partners Capital [Line Items]
Beginning balance of total controlling partners’ capital	(5,500)	(5,729)	(5,958)	(6,417)	(6,646)	(6,875)	(5,958)	(6,875)
Amortization of terminated hedge included in AOCL	230	229	229	229	229	229
Ending balance of total controlling partners’ capital	$ (5,270)	$ (5,500)	$ (5,729)	$ (6,188)	$ (6,417)	$ (6,646)	$ (5,270)	$ (6,188)

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Commitment and Contingencies - Additional Information (Detail) $ in Thousands			1 Months Ended		3 Months Ended		9 Months Ended
	Nov. 06, 2020 Property	Nov. 05, 2020 USD ($) Property	Sep. 30, 2020 USD ($) Property	Mar. 31, 2020 USD ($) Property	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Property	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Commitment And Contingencies [Line Items]
Operating lease, aggregate right-of-use assets			$ 20,600		$ 20,600		$ 20,600		$ 20,200
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]			us-gaap:OtherAssetsMember		us-gaap:OtherAssetsMember		us-gaap:OtherAssetsMember		us-gaap:OtherAssetsMember
Operating lease liabilities			$ 20,200		$ 20,200		$ 20,200		$ 19,900
Operating Lease, Liability, Statement of Financial Position [Extensible List]			us-gaap:AccountsPayableAndAccruedLiabilitiesMember		us-gaap:AccountsPayableAndAccruedLiabilitiesMember		us-gaap:AccountsPayableAndAccruedLiabilitiesMember		us-gaap:AccountsPayableAndAccruedLiabilitiesMember
Operating lease expenses					$ 500	$ 600	$ 1,600	$ 1,900
Weighted average remaining lease term			11 years 8 months 12 days		11 years 8 months 12 days		11 years 8 months 12 days
Weighted average discount rate			4.66%		4.66%		4.66%
Operating lease commitments			$ 26,570		$ 26,570		$ 26,570
Number of storage facilities acquired | Property							31
Expansion and enhancement contracts			16,000
Subsequent Event [Member]
Commitment And Contingencies [Line Items]
Number of storage facilities acquired | Property	5
Self-storage Facilities [Member]
Commitment And Contingencies [Line Items]
Purchase price of business to be acquired			$ 37,900
Number of storage facilities acquired | Property			3
Number of storage facilities to be sold | Property				1
Sale price of storage facilities				$ 19,000
Self-storage Facilities [Member] | Subsequent Event [Member]
Commitment And Contingencies [Line Items]
Purchase price of business to be acquired		$ 13,700
Number of storage facilities acquired | Property		1

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Commitment and Contingencies - Summary of Undiscounted Future Minimum Lease Payments (Detail) $ in Thousands	Sep. 30, 2020 USD ($)
Commitments And Contingencies Disclosure [Abstract]
2020	$ 449
2021	2,388
2022	2,388
2023	2,388
2024	2,374
Thereafter	16,583
Total	$ 26,570

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Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Thousands						1 Months Ended	9 Months Ended
	Nov. 06, 2020 USD ($) Property	Nov. 05, 2020 USD ($) Property	Oct. 26, 2020 USD ($)	Oct. 09, 2020 USD ($)	Oct. 01, 2020 $ / shares	Sep. 30, 2020 Property	Sep. 30, 2020 USD ($) Property
Subsequent Event [Line Items]
Number of storage facilities acquired | Property							31
Aggregate purchase price							$ 419,608
Self-storage Facilities [Member]
Subsequent Event [Line Items]
Number of storage facilities acquired | Property						3
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend declared, date					Oct. 01, 2020
Dividend per common share | $ / shares					$ 1.07
Dividend paid, date					Oct. 26, 2020
Dividend record, date					Oct. 13, 2020
Dividend paid			$ 52,000
Number of storage facilities acquired | Property	5
Aggregate purchase price	$ 59,600
Subsequent Event [Member] | Self-storage Facilities [Member]
Subsequent Event [Line Items]
Number of storage facilities acquired | Property		1
Aggregate purchase price		$ 13,700
Subsequent Event [Member] | Term Note Due August 5, 2021 [Member]
Subsequent Event [Line Items]
Repayments of term debt				$ 100,000