10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

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

For the quarterly period ended September 30, 2014

Commission file number: 1-13820

SOVRAN SELF STORAGE, INC.

(Exact name of Registrant as specified in its charter)

Maryland	16-1194043
(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.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted 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 and post such files).    Yes  x    No  ¨

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

Large Accelerated Filer	x	Accelerated Filer	¨
Non-accelerated Filer	¨	Smaller Reporting Company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

As of October 30, 2014, 33,757,474 shares of Common Stock, $.01 par value per share, were outstanding.

Part I. Financial Information

Item 1. Financial Statements

SOVRAN SELF STORAGE, INC.

CONSOLIDATED BALANCE SHEETS

(dollars in thousands, except share data)	September 30, 2014 (unaudited)			December 31, 2013
Assets
Investment in storage facilities:
Land	$	381,794		$	312,053
Building, equipment, and construction in progress		1,731,340			1,552,584
		2,113,134			1,864,637
Less: accumulated depreciation		(400,306	)		(366,472	)
Investment in storage facilities, net		1,712,828			1,498,165
Cash and cash equivalents		7,476			9,524
Accounts receivable		5,663			5,119
Receivable from unconsolidated joint ventures		714			883
Investment in unconsolidated joint ventures		38,911			30,391
Prepaid expenses		7,302			5,978
Fair value of interest rate swap agreements		547			794
Other assets		7,843			11,021
Total Assets	$	1,781,284		$	1,561,875
Liabilities
Line of credit	$	—		$	49,000
Term notes		750,000			575,000
Accounts payable and accrued liabilities		43,807			37,741
Deferred revenue		7,269			6,708
Fair value of interest rate swap agreements		10,458			7,523
Mortgages payable		2,160			2,254
Total Liabilities		813,694			678,226
Noncontrolling redeemable Operating Partnership Units at redemption value		14,817			12,940
Shareholders’ Equity
Common stock $.01 par value, 100,000,000 shares authorized, 33,708,457 shares issued and outstanding at September 30, 2014 (32,532,991 at December 31, 2013)		349			337
Additional paid-in capital		1,157,820			1,066,399
Dividends in excess of net income		(168,628	)		(162,450	)
Accumulated other comprehensive loss		(9,593	)		(6,402	)
Treasury stock at cost, 1,171,886 shares		(27,175	)		(27,175	)
Total Shareholders’ Equity		952,773			870,709
Total Liabilities and Shareholders’ Equity	$	1,781,284		$	1,561,875

See notes to consolidated financial statements.

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SOVRAN SELF STORAGE, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited)

(dollars in thousands, except per share data)	July 1, 2014 to September 30, 2014			July 1, 2013 to September 30, 2013
Revenues
Rental income	$	79,092		$	65,309
Other operating income		6,157			5,146
Total operating revenues		85,249			70,455
Expenses
Property operations and maintenance		17,913			15,568
Real estate taxes		8,312			6,953
General and administrative		10,041			8,965
Acquisition costs		1,210			776
Operating leases of storage facilities		1,997			—
Depreciation and amortization		13,357			11,293
Total operating expenses		52,830			43,555
Income from operations		32,419			26,900
Other income (expenses)
Interest expense		(9,116	)		(7,923	)
Interest income		1			1
Gain on sale of real estate		1,777			—
Equity in income of joint ventures		662			575
Income from continuing operations		25,743			19,553
Income from discontinued operations		—			246
Net income		25,743			19,799
Net income attributable to noncontrolling interest		(154	)		(124	)
Net income attributable to common shareholders	$	25,589		$	19,675
Earnings per common share attributable to common shareholders – basic
Continuing operations	$	0.77		$	0.62
Discontinued operations		—			0.01
Earnings per share—basic	$	0.77		$	0.63
Earnings per common share attributable to common shareholders – diluted
Continuing operations	$	0.77		$	0.61
Discontinued operations		—			0.01
Earnings per share—diluted	$	0.77		$	0.62
Common shares used in basic earnings per share calculation		33,234,660			31,469,026
Common shares used in diluted earnings per share calculation		33,398,648			31,625,635
Dividends declared per common share	$	0.68		$	0.53

See notes to consolidated financial statements.

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SOVRAN SELF STORAGE, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited)

(dollars in thousands, except per share data)	January 1, 2014 to September 30, 2014			January 1, 2013 to September 30, 2013
Revenues
Rental income	$	223,438		$	186,997
Other operating income		17,712			14,445
Total operating revenues		241,150			201,442
Expenses
Property operations and maintenance		51,431			45,288
Real estate taxes		24,433			19,735
General and administrative		30,400			26,745
Acquisition costs		5,926			1,263
Operating leases of storage facilities		5,991			—
Depreciation and amortization		37,780			33,852
Total operating expenses		155,961			126,883
Income from operations		85,189			74,559
Other income (expenses)
Interest expense		(25,331	)		(24,827	)
Interest income		31			2
Gain on sale of real estate		1,777			421
Equity in income of joint ventures		1,553			1,417
Income from continuing operations		63,219			51,572
Income from discontinued operations		—			651
Net income		63,219			52,223
Net income attributable to noncontrolling interest		(381	)		(331	)
Net income attributable to common shareholders	$	62,838		$	51,892
Earnings per common share attributable to common shareholders – basic
Continuing operations	$	1.92		$	1.65
Discontinued operations		—			0.02
Earnings per share—basic	$	1.92		$	1.67
Earnings per common share attributable to common shareholders – diluted
Continuing operations	$	1.91		$	1.64
Discontinued operations		—			0.02
Earnings per share—diluted	$	1.91		$	1.66
Common shares used in basic earnings per share calculation		32,806,164			31,077,910
Common shares used in diluted earnings per share calculation		32,972,262			31,235,049
Dividends declared per common share	$	2.04		$	1.49

See notes to consolidated financial statements.

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SOVRAN SELF STORAGE, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(unaudited)

	Three months ended September 30,						Nine months ended September 30,
(dollars in thousands)	2014			2013			2014			2013
Net income	$	25,743		$	19,799		$	63,219		$	52,223
Other comprehensive income:
Change in fair value of derivatives net of reclassification to interest expense		2,464			(3,572	)		(3,191	)		5,189
Total comprehensive income		28,207			16,227			60,028			57,412
Comprehensive income attributable to noncontrolling interest		(170	)		(102	)		(362	)		(364	)
Comprehensive income attributable to common shareholders	$	28,037		$	16,125		$	59,666		$	57,048

See notes to consolidated financial statements.

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SOVRAN SELF STORAGE, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

(dollars in thousands)	January 1, 2014 to September 30, 2014			January 1, 2013 to September 30, 2013
Operating Activities
Net income	$	63,219		$	52,223
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		37,780			34,118
Amortization of deferred financing fees		619			640
Gain on sale of real estate		(1,777	)		(421	)
Equity in income of joint ventures		(1,553	)		(1,417	)
Distributions from unconsolidated joint venture		2,280			1,898
Non-vested stock earned		3,540			2,067
Stock option expense		186			261
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable		(514	)		(122	)
Prepaid expenses		(1,186	)		(481	)
Receipts from joint ventures		252			74
Accounts payable and other liabilities		5,680			(3,531	)
Deferred revenue		(894	)		304
Net cash provided by operating activities		107,632			85,613
Investing Activities
Acquisitions of storage facilities		(229,709	)		(50,193	)
Improvements, equipment additions, and construction in progress		(20,257	)		(18,979	)
Net proceeds from the sale of real estate		5,063			4,367
Investment in unconsolidated joint ventures		(9,383	)		(4,111	)
Property deposit		(776	)		99
Net cash used in investing activities		(255,062	)		(68,817	)
Financing Activities
Net proceeds from sale of common stock		87,707			91,103
Proceeds from line of credit		125,000			120,000
Repayments of line of credit		(174,000	)		(176,000	)
Proceeds from term notes		175,000			325,000
Repayments of term notes		—			(325,000	)
Financing costs		(711	)		(1,554	)
Dividends paid-common stock		(67,113	)		(46,326	)
Distributions to noncontrolling interest holders		(406	)		(297	)
Redemption of operating partnership units		—			(306	)
Mortgage principal payments		(95	)		(1,009	)
Net cash provided by (used in) financing activities		145,382			(14,389	)
Net (decrease) increase in cash		(2,048	)		2,407
Cash at beginning of period		9,524			7,255
Cash at end of period	$	7,476		$	9,662
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	$	20,091		$	24,876

See notes to consolidated financial statements.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. BASIS OF PRESENTATION

The accompanying unaudited financial statements of Sovran Self Storage, Inc. 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, 2014 are not necessarily indicative of the results that may be expected for the year ending December 31, 2014.

Reclassification: Certain amounts from the 2013 financial statements have been reclassified as discontinued operations as a result of the sale of four storage facilities in 2013 (see Note 5).

2. ORGANIZATION

Sovran Self Storage, Inc. (the “Company,” “We,” “Our,” or “Sovran”), a self-administered and self-managed real estate investment trust (a “REIT”), was formed on April 19, 1995 to own and operate self-storage facilities throughout the United States. On June 26, 1995, the Company commenced operations effective with the completion of its initial public offering. At September 30, 2014, we had an ownership interest in, leased, and/or managed 503 self-storage properties in 25 states under the name Uncle Bob’s Self Storage ^®. Among our 503 self-storage properties are 28 properties that we manage for an unconsolidated joint venture (Sovran HHF Storage Holdings LLC) of which we are a 20% owner, 30 properties that we manage for an unconsolidated joint venture (Sovran HHF Storage Holdings II LLC) of which we are a 15% owner, 17 properties that we manage and have no ownership interest, and four properties we lease. Approximately 39% of the Company’s revenue is derived from stores in the states of Texas and Florida.

All of the Company’s assets are owned by, and all its operations are conducted through, Sovran Acquisition Limited Partnership (the “Operating Partnership”). Sovran Holdings, Inc., a wholly-owned subsidiary of the Company (the “Subsidiary”), is the sole general partner of the Operating Partnership; the Company is a limited partner of the Operating Partnership, and through its ownership of the Subsidiary and its limited partnership interest controls the operations of the Operating Partnership, holding a 99.4% ownership interest therein as of September 30, 2014. The remaining ownership interests in the Operating Partnership (the “Units”) are held by certain former owners of assets acquired by the Operating Partnership subsequent to its formation.

We consolidate all wholly owned subsidiaries. Partially owned subsidiaries and joint ventures are consolidated when we control the entity. Our consolidated financial statements include the accounts of the Company, the Operating Partnership, Uncle Bob’s Management, LLC (the Company’s taxable REIT subsidiary), Locke Sovran I, LLC (a wholly-owned subsidiary), and Locke Sovran II, LLC (a wholly-owned subsidiary). All intercompany transactions and balances have been eliminated. Investments in joint ventures that we do not control but for which we have significant influence over are accounted for using the equity method.

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On June 30, 2011, the Company entered into a newly formed joint venture agreement with an owner of a self-storage facility in New Jersey (West Deptford JV LLC). As part of the agreement the Company contributed $4.2 million to the joint venture for a $2.8 million mortgage note at 8%, a 20% common interest, and a $1.4 million preferred interest with an 8% preferred return. The Company had concluded that this joint venture is a variable interest entity pursuant to the guidance in FASB ASC Topic 810, “Consolidation” on the basis that the total equity investment in the joint venture is not sufficient to permit the joint venture to finance its activities without additional subordinated financial support from its investors. On February 5, 2013 the Company entered into a Membership Interest Purchase Agreement to sell its common and preferred interests in West Deptford JV LLC to the other joint venture partner for approximately $1.4 million, resulting in a gain of $0.4 million. Simultaneous with this transaction the joint venture partner also repaid the $2.8 million mortgage note held by the Company. As a result of these transactions the Company no longer holds any ownership interest in this joint venture. The results of operations of this joint venture are included in our 2013 consolidated financial statements through the February 5, 2013 date of divesture.

Included in the consolidated balance sheets are noncontrolling redeemable operating partnership units. These interests are presented in the “mezzanine” section of the consolidated balance sheet 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. At September 30, 2014 and December 31, 2013, there were 198,913 noncontrolling redeemable operating partnership Units outstanding. These unitholders are entitled to receive distributions per unit equivalent to the dividends declared per share on the 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 Company’s common stock, 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 EITF D-98, “Classification and Measurement of Redeemable Securities” which was codified in FASB ASC Topic 480-10-S99. The application of the FASB 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 redeemable Operating Partnership Units is reflected in dividends in excess of net income. Accordingly, in the accompanying consolidated balance sheet, noncontrolling redeemable Operating Partnership Units are reflected at redemption value at September 30, 2014 and December 31, 2013, equal to the number of Units outstanding multiplied by the fair market value of the Company’s common stock at that date. Redemption value exceeded the value determined under the Company’s historical basis of accounting at those dates.

(dollars in thousands)	Nine Months Ended Sep. 30, 2014
Beginning balance noncontrolling redeemable Operating Partnership Units	$	12,940
Net income attributable to noncontrolling interests – consolidated joint venture		381
Distributions		(406	)
Adjustment to redemption value		1,902
Ending balance noncontrolling redeemable Operating Partnership Units	$	14,817

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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, 2014 and 2013, the Company recorded compensation expense (included in general and administrative expense) of $37,000 and $43,000, respectively, related to stock options and $1,129,000 and $795,000, respectively, related to amortization of non-vested stock grants. For the nine months ended September 30, 2014 and 2013, the Company recorded compensation expense (included in general and administrative expense) of $186,000 and $261,000, respectively, related to stock options and $3,451,000 and $1,977,000, respectively, related to amortization of non-vested stock grants.

During the three months ended September 30, 2014 and 2013, employees exercised 3,962 and 23,835 stock options respectively, and 31,078 and 13,334 shares of non-vested stock, respectively, vested. During the nine months ended September 30, 2014 and 2013, employees exercised 12,962 and 121,845 stock options respectively, and 48,678 and 32,796 shares of non-vested stock, respectively, vested.

4. INVESTMENT IN STORAGE FACILITIES

The following summarizes our activity in storage facilities during the nine months ended September 30, 2014.

(dollars in thousands)
Cost:
Beginning balance	$	1,864,637
Acquisition of storage facilities		232,763
Improvements and equipment additions		21,232
Net decrease in construction in progress		(975	)
Dispositions		(4,523	)
Ending balance	$	2,113,134

Accumulated Depreciation:
Beginning balance	$	366,472
Depreciation expense during the period		35,057
Dispositions		(1,223	)
Ending balance	$	400,306

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The assets and liabilities of the acquired storage facilities, which primarily consist of tangible and intangible assets, are measured at fair value on the date of acquisition in accordance with the principles of FASB ASC Topic 820, “Fair Value Measurements and Disclosures.” During the nine months ended September 30, 2014 the Company acquired 28 self-storage facilities and the purchase price of the facilities has been assigned as follows (as of September 30, 2014 the purchase price assignments relating to the five facilities acquired during the three months ended September 30, 2014 are preliminary):

(dollars in thousands)							Consideration paid						Acquisition Date Fair Value
State	Number of Properties		Date of Acquisition		Purchase Price		Cash Paid		Loan Assumed		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		In-Place Customers Leases		Acquisition Costs Expensed
2014
Florida		2		1/9/2014	$	54,000	$	53,599	$	—	$	401	$	23,309	$	29,867	$	824	$	1,672
Texas		1		1/17/2014		9,000		8,962		—		38		3,999		4,856		145		215
Texas		1		2/10/2014		8,900		8,857		—		43		2,235		6,564		101		203
Maine		2		2/11/2014		14,750		14,601		—		149		2,639		11,824		287		406
Illinois		1		3/31/14		8,700		8,582		—		118		1,837		6,724		139		223
Illinois		1		5/5/14		5,500		5,487		—		13		598		4,902		—		44
Texas		1		5/13/14		6,075		6,017		—		58		2,000		3,935		140		180
Missouri		7		5/22/14		35,050		34,786		—		264		9,420		24,835		795		615
New Jersey		1		6/5/14		12,600		12,526		—		74		5,161		7,201		238		280
New York		1		6/11/14		8,000		7,988		—		12		1,741		6,106		153		201
New Jersey		1		6/12/14		2,500		2,430		—		70		—		2,319		181		63
Georgia		1		6/12/14		7,700		7,616		—		84		2,263		5,293		144		178
New Jersey		3		6/18/14		18,325		18,221		—		104		2,543		15,377		405		539
New Jersey		1		7/10/14		11,590		11,572		—		18		1,512		9,880		198		320
Florida		1		8/28/14		10,200		10,111		—		89		2,958		7,055		187		183
Virginia		1		9/5/14		6,400		6,373		—		27		2,349		3,947		104		266
Texas		1		9/10/14		11,200		11,046		—		154		4,657		6,349		194		195
Tennessee		1		9/18/14		6,550		6,535		—		15		759		5,749		42		143
Total 2014		28			$	237,040	$	235,309	$	—	$	1,731	$	69,980	$	162,783	$	4,277	$	5,926

All of the properties acquired were purchased from unrelated third parties. The operating results of the acquired facilities have been included in the Company’s operations since the respective acquisition dates. Of the $235.3 million paid at closing for the properties acquired during the nine months ended September 30, 2014, $5.6 million represented deposits that were paid in 2013 when certain of these properties originally went under contract.

The Company measures the fair value of in-place customer lease intangible assets based on the Company’s experience with customer turnover. The Company amortizes in-place customer leases on a straight-line basis over 12 months (the estimated future benefit period). In-place customer leases are included in other assets on the Company’s balance sheet as follows:

(Dollars in thousands)	Sep. 30, 2014			Dec. 31, 2013
In-place customer leases	$	18,920		$	14,643
Accumulated amortization		(16,274	)		(13,551	)
Net carrying value at the end of period	$	2,646		$	1,092

Amortization expense related to in-place customer leases was $1.2 million and $0.8 million for the three months ended September 30, 2014 and 2013, respectively and was $2.7 million and $2.7 million for the nine months ended September 30, 2014 and 2013, respectively. The Company expects to record $4.0 million and $1.4 million of amortization expense for the years ended December 31, 2014 and 2015, respectively.

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As noted above, during the nine months ended September 30, 2014, the Company acquired 28 properties. The following pro forma information is based on the combined historical financial statements of the Company and the 28 properties acquired, and presents the Company’s results as if the acquisitions had occurred as of January 1, 2013:

	Three months ended September 30,				Nine months ended September 30,
(dollars in thousands)	2014		2013		2014		2013
Total revenues	$	85,774	$	76,372	$	248,705	$	218,383
Net income attributable to common shareholders	$	27,795	$	20,018	$	70,712	$	43,984
Earnings per common share
Basic	$	0.83	$	0.60	$	2.11	$	1.31
Diluted	$	0.83	$	0.59	$	2.10	$	1.31

The following table summarizes the revenues and earnings related to the 28 properties since the acquisition dates that are included in the Company’s consolidated statements of operations for the three and nine months ended September 30, 2014.

	Three months ended September 30, 2014			Nine months ended September 30, 2014
Total revenues	$	5,562		$	10,047
Net loss attributable to common shareholders	$	(1,199	)	$	(5,774	)

The above net losses attributable to common shareholders were primarily due to the acquisition costs incurred in connection with the 2014 acquisitions.

5. DISCONTINUED OPERATIONS

In the 4^th quarter of 2013, the Company sold four non-strategic storage facilities in Florida (2), Ohio (1), and Virginia (1) for net proceeds of approximately $11.7 million resulting in a gain of approximately $2.4 million. The operations of these facilities are reported as discontinued operations. Cash flows of discontinued operations have not been segregated from the cash flows of continuing operations on the accompanying consolidated statement of cash flows for the nine months ended September 30, 2013. Through September 30, 2014 the Company has not reported any dispositions of facilities as discontinued operations. The following is a summary of the amounts reported as discontinued operations in 2013:

(dollars in thousands)	Jul. 1, 2013 to Sep. 30, 2013			Jan. 1, 2013 to Sep. 30, 2013
Total revenue	$	528		$	1,490
Property operations and maintenance expense		(152	)		(450	)
Real estate taxes		(41	)		(123	)
Depreciation and amortization expense		(89	)		(266	)
Net realized gain on sale of property		—			—
Total income from discontinued operations	$	246		$	651

Income from continuing operations attributable to common shareholders was $25.6 million and $19.4 million for the three months ended September 30, 2014, and 2013, respectively. Income from continuing operations attributable to common shareholders was $62.8 million and $51.2 million for the nine months ended September 30, 2014, and 2013, respectively. Income from

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discontinued operations attributable to common shareholders was $0 and $0.2 million for the three months ended September 30, 2014, and 2013, respectively. Income from discontinued operations attributable to common shareholders was $0 and $0.6 million for the nine months ended September 30, 2014, and 2013, 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)	Sep. 30, 2014		Dec. 31, 2013
Revolving line of credit borrowings	$	—	$	49,000
Term note due April 13, 2016		150,000		150,000
Term note due June 4, 2020		225,000		225,000
Term note due June 4, 2020		100,000		100,000
Term note due August 5, 2021		100,000		100,000
Term note due April 8, 2024		175,000		—
Total term notes payable	$	750,000	$	575,000

On April 8, 2014, the Company entered into a $175 million term note maturing April 2024 bearing interest at a fixed rate of 4.533%. The interest rate on the term note increases to 6.283% if the Company is not rated by at least one rating agency or if the Company’s credit rating is downgraded. The proceeds from this term note were used to repay the $115 million outstanding on the Company’s line of credit at April 8, 2014, with the excess proceeds used for acquisitions.

On June 4, 2013, the Company entered into an amendment to its unsecured credit arrangements. As part of the amended agreement, the Company entered into a $225 million unsecured term note maturing June 4, 2020 bearing interest at LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014 the margin is 1.65%). The agreement also provides for a $175 million (expandable to $250 million) revolving line of credit bearing interest at a variable rate equal to LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014 the margin is 1.50%), and requires a 0.20% facility fee. The interest rate at September 30, 2014 on the Company’s available line of credit was approximately 1.65% (1.67% at December 31, 2013). At September 30, 2014, there was $174.3 million available on the unsecured line of credit net of outstanding letters of credit of $0.7 million and without considering the additional availability under the expansion feature. The revolving line of credit has a maturity date of June 4, 2018, but can be extended for two one-year periods at the Company’s option with the payment of an extension fee equal to 0.125% of the total line of credit commitment.

In addition, on June 4, 2013, as part of the amendment to its unsecured credit arrangement, the Company secured an additional $100 million term note with a delayed draw feature that was used to fund the Company’s term notes that matured in September 2013. The delayed draw term note matures June 4, 2020 and bears interest at LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014 the margin is 1.65%).

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. The proceeds from this term note were used to fund acquisitions and investments in unconsolidated joint ventures.

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The Company also maintains a $150 million unsecured term note maturing April 13, 2016 bearing interest at 6.38%. The interest rate on the $150 million unsecured term note increases to 8.13% if the notes are not rated by at least one rating agency, the credit rating on the notes is downgraded or the Company’s credit rating is downgraded.

The line of credit and term notes require the Company to meet certain financial covenants, measured on a quarterly basis, including prescribed leverage, fixed charge coverage, minimum net worth, limitations on additional indebtedness and limitations on dividend payouts. At September 30, 2014, the Company was in compliance with its debt 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, 2014 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.

7. MORTGAGES PAYABLE AND DEBT MATURITIES

Mortgages payable at September 30, 2014 and December 31, 2013 consist of the following:

(dollars in thousands)	September 30, 2014		December 31, 2013
5.99% mortgage notes due May 1, 2026, secured by one self-storage facility with an aggregate net book value of $4.4 million, principal and interest paid monthly (effective interest rate 6.21%)		2,160		2,254
Total mortgages payable	$	2,160	$	2,254

The table below summarizes the Company’s debt obligations and interest rate derivatives at September 30, 2014. 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 these 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.

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	Expected Maturity Date Including Discount
(dollars in thousands)	2014		2015		2016		2017		2018		Thereafter		Total		Fair Value
Line of credit - variable rate LIBOR + 1.50% (1.65% at September 30, 2014)		—		—		—		—		—		—		—		—
Notes Payable:
Term note - fixed rate 6.38%		—		—	$	150,000		—		—		—	$	150,000	$	163,809
Term note - variable rate LIBOR+1.65% (1.81% at September 30, 2014)		—		—		—		—		—	$	225,000	$	225,000	$	225,000
Term note - variable rate LIBOR+1.65% (1.80% at September 30, 2014)		—		—		—		—		—	$	100,000	$	100,000	$	100,000
Term note - fixed rate 5.54%		—		—		—		—		—	$	100,000	$	100,000	$	109,513
Term note - fixed rate 4.533%		—		—		—		—		—	$	175,000	$	175,000	$	175,881
Mortgage notes - fixed rate 5.99%	$	33	$	134	$	142	$	151	$	160	$	1,540	$	2,160	$	2,273
Interest rate derivatives – asset		—		—		—		—		—		—		—	$	(547	)
Interest rate derivatives – liability		—		—		—		—		—		—		—	$	10,458

8. DERIVATIVE FINANCIAL INSTRUMENTS

Interest rate swaps are used to adjust the proportion of total debt that is subject to variable interest rates. The interest rate swaps require the Company to pay an amount equal to a specific fixed rate of interest times a notional principal amount and to receive in return an amount equal to a variable rate of interest times the same notional amount. The notional amounts are not exchanged. No other cash payments are made unless the contract is terminated prior to its maturity, in which case the contract would likely be settled for an amount equal to its fair value. The Company enters into interest rate swaps with a number of major financial institutions to minimize counterparty credit risk.

The interest rate swaps qualify and are designated as hedges of the amount of future cash flows related to interest payments on variable rate debt. Therefore, the interest rate swaps are recorded in the consolidated balance sheet at fair value and the related gains or losses are deferred in shareholders’ equity as Accumulated Other Comprehensive Loss (“AOCL”). These deferred gains and losses are recognized in interest expense during the period or periods in which the related interest payments affect earnings. However, to the extent that the interest rate swaps are not perfectly effective in offsetting the change in value of the interest payments being hedged, the ineffective portion of these contracts is recognized in earnings immediately. Ineffectiveness was deminimus for the three and nine months ended September 30, 2014, and 2013.

The Company has interest rate swap agreements in effect at September 30, 2014 as detailed below to effectively convert a total of $325 million of variable-rate debt to fixed-rate debt.

Notional Amount	Effective Date		Expiration Date		Fixed Rate Paid			Floating Rate Received
$125 Million		9/1/2011		8/1/18		2.3700	%		1 month LIBOR
$100 Million		12/30/11		12/29/17		1.6125	%		1 month LIBOR
$100 Million		9/4/13		9/4/18		1.3710	%		1 month LIBOR
$100 Million		12/29/17		11/29/19		3.9680	%		1 month LIBOR
$125 Million		8/1/18		6/1/20		4.1930	%		1 month LIBOR

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The interest rate swap agreements are the only derivative instruments, as defined by FASB ASC Topic 815 “Derivatives and Hedging”, held by the Company. During the three months ended September 30, 2014 and 2013, the net reclassification from AOCL to interest expense was $1.4 million and $1.5 million, respectively, based on payments made under the swap agreements. During the nine months ended September 30, 2014 and 2013, the net reclassification from AOCL to interest expense was $4.1 million and $4.0 million, respectively, based on payments made under the swap agreements. Based on current interest rates, the Company estimates that payments under the interest rate swaps will be approximately $5.5 million for the 12 months ended September 30, 2015. Payments made under the interest rate swap agreements will be reclassified to interest expense as settlements occur. The fair value of the swap agreements, including accrued interest, was an asset of $0.5 million and a liability of $10.5 million at September 30, 2014, and an asset of $0.8 million and a liability of $7.5 million at December 31, 2013.

The Company’s agreements with its interest rate swap counterparties contain provisions pursuant to which the Company could be declared in default of its derivative obligations if the Company defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender. The interest rate swap agreements also incorporate other loan covenants of the Company. Failure to comply with the loan covenant provisions would result in the Company being in default on the interest rate swap agreements. As of September 30, 2014, the Company had not posted any collateral related to the interest rate swap agreements. If the Company had breached any of these provisions as of September 30, 2014, it could have been required to settle its obligations under the agreements at their net termination value of $9.9 million.

The changes in AOCL for the three and nine months ended September 30, 2014 and September 30, 2013 are summarized as follows:

(dollars in thousands)	Jul. 1, 2014 to Sep. 30, 2014			Jul. 1, 2013 to Sep. 30, 2013			Jan. 1, 2014 to Sep. 30, 2014			Jan. 1, 2013 to Sep. 30, 2013
Accumulated other comprehensive loss beginning of period	$	(12,057	)	$	(6,481	)	$	(6,402	)	$	(15,242	)
Realized loss reclassified from accumulated other comprehensive loss to interest expense		1,392			1,474			4,134			3,979
Unrealized (loss) gain from changes in the fair value of the effective portion of the interest rate swaps		1,072			(5,046	)		(7,325	)		1,210
(Loss) gain included in other comprehensive loss		2,464			(3,572	)		(3,191	)		5,189
Accumulated other comprehensive loss end of period	$	(9,593	)	$	(10,053	)	$	(9,593	)	$	(10,053	)

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.

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

The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of September 30, 2014 and December 31, 2013 (in thousands):

	Asset (Liability)			Level 1		Level 2			Level 3
September 30, 2014
Interest rate swaps		547			—		547			—
Interest rate swaps		(10,458	)		—		(10,458	)		—
December 31, 2013
Interest rate swaps		794			—		794			—
Interest rate swaps		(7,523	)		—		(7,523	)		—

Interest rate swaps are over the counter securities with no quoted readily available Level 1 inputs, and therefore are measured at fair value using inputs that are directly observable in active markets and are classified within Level 2 of the valuation hierarchy, using the income approach.

During the nine months ended September 30, 2014, assets and liabilities measured at fair value on a non-recurring basis included the assets acquired and liabilities assumed in connection with the acquisition of 28 storage facilities (see note 4). To determine the fair value of land, the Company used prices per acre derived from observed transactions involving comparable land in similar locations, which is considered a Level 2 input. To determine the fair value of buildings, equipment and improvements, the Company used current replacement cost based on information derived from construction industry data by geographic region which is considered a Level 2 input. This replacement cost is then adjusted for the age, condition, and economic obsolescence associated with these assets, which are considered Level 3 inputs. The fair value of in-place customer leases is based on the rent lost due to the amount of time required to replace existing customers which is based on the Company’s historical experience with turnover in its facilities, which is a Level 3 input. Other assets acquired and liabilities assumed in the acquisitions consist primarily of prepaid or accrued real estate taxes and deferred revenues from advance monthly rentals paid by customers. The fair values of these assets and liabilities are based on their carrying values as they typically turn over within one year from the acquisition date and these are Level 3 inputs.

10. INVESTMENT IN JOINT VENTURES

The Company has a 20% ownership interest in Sovran HHF Storage Holdings LLC (“Sovran HHF”), a joint venture that was formed in May 2008 to acquire self-storage properties that are managed by the Company. The carrying value of the Company’s investment at September 30, 2014 and December 31, 2013 was $26.2 million and $17.4 million, respectively. Twenty-five properties were acquired by Sovran HHF in 2008 for approximately $171.5 million and three additional properties were acquired by Sovran HHF in June 2014 for $34.4 million. In

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2008, the Company contributed $18.6 million in cash to the joint venture as its share of capital required to fund acquisitions. In 2012 the Company contributed an additional $1.2 million in cash to the joint venture. In 2013 the Company received a return of capital distribution of $3.4 million as part of the refinancing of Sovran HHF. In 2014, the Company contributed $9.3 million in cash to the joint venture as its share of capital required to fund acquisitions and deposits on future acquisitions.

As of September 30, 2014, 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, which is assessed for other-than-temporary impairment on a periodic basis. No other-than-temporary impairments have been recorded on this investment.

The Company has a 15% ownership interest in Sovran HHF Storage Holdings II LLC (“Sovran HHF II”), a joint venture that was formed in 2011 to acquire self-storage properties that are managed by the Company. The carrying value of the Company’s investment at September 30, 2014 and December 31, 2013 was $12.7 million and $12.8 million, respectively. Twenty properties were acquired by Sovran HHF II during 2011 for approximately $166.1 million. During 2011, the Company contributed $12.8 million to the joint venture as its share of capital required to fund the acquisitions. Ten additional properties were acquired by Sovran HHF II during 2012 for approximately $29 million. During 2012, the Company contributed $2.4 million to the joint venture as its share of capital required to fund the acquisitions. The carrying value of this investment is assessed for other-than-temporary impairment on a periodic basis and no such impairments have been recorded on this investment.

As manager of Sovran HHF and Sovran HHF II, the Company earns a management and call center fee of 7% of gross revenues which totaled $1.0 million and $0.9 million for the three months ended September 30, 2014 and 2013, respectively. The management and call center fees earned by the Company for the nine months ended September 30, 2014 and 2013 totaled $2.8 million and $2.5 million, respectively.

The Company’s share of Sovran HHF and Sovran HHF II’s income for the three months ended September 30, 2014 and 2013 was $624,000 and $552,000 respectively. The Company’s share of Sovran HHF and Sovran HHF II’s income for the nine months ended September 30, 2014 and 2013 was $1,417,000 and $1,373,000, respectively.

The Company also has a 49% ownership interest in Iskalo Office Holdings, LLC, which owns the building that houses the Company’s headquarters and other tenants. The carrying value of the Company’s investment is a liability of $0.4 million at September 30, 2014 and $0.5 million at December 31, 2013, and is included in accounts payable and accrued liabilities in the accompanying consolidated balance sheets. The Company’s share of Iskalo Office Holdings, LLC’s income for the three months ended September 30, 2014 and 2013 was $38,000 and $23,000, respectively. The Company’s share of Iskalo Office Holdings, LLC’s income for the nine months ended September 30, 2014 and 2013 was $102,000 and $44,000, respectively. The Company paid rent to Iskalo Office Holdings, LLC of $261,000 and $231,000 during the three months ended September 30, 2014 and 2013, respectively. The Company paid rent to Iskalo Office Holdings, LLC of $764,000 and $576,000 during the nine months ended September 30, 2014 and 2013, respectively.

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A summary of the unconsolidated joint ventures’ financial statements as of and for the nine months ended September 30, 2014 is as follows:

(dollars in thousands)	Sovran HHF Storage Holdings LLC			Sovran HHF Storage Holdings II LLC			Iskalo Office Holdings, LLC
Balance Sheet Data:
Investment in storage facilities, net	$	189,678		$	185,656		$	—
Investment in office building		—			—			4,829
Other assets		17,478			4,687			920
Total Assets	$	207,156		$	190,343		$	5,749
Due to the Company	$	344		$	382		$	—
Mortgages payable		80,861			103,068			6,487
Other liabilities		3,447			2,358			551
Total Liabilities		84,652			105,808			7,038
Unaffiliated partners’ equity (deficiency)		98,003			71,861			(881	)
Company equity (deficiency)		24,501			12,674			(408	)
Total Partners’ Equity (Deficiency)		122,504			84,535			(1,289	)
Total Liabilities and Partners’ Equity (Deficiency)	$	207,156		$	190,343		$	5,749
Income Statement Data:
Total revenues	$	18,218		$	21,310		$	1,081
Property operating expenses		(5,797	)		(7,448	)		(400	)
Administrative, management and call center fees		(1,376	)		(1,581	)		—
Acquisition costs		(926	)		—			—
Depreciation and amortization of customer list		(3,242	)		(3,117	)		(172	)
Amortization of financing fees		(137	)		(152	)		(8	)
Income tax expense		(78	)		(301	)		—
Interest expense		(3,209	)		(3,866	)		(292	)
Net income	$	3,453		$	4,845		$	209

The Company does not guarantee the debt of Sovran HHF, Sovran HHF II, or Iskalo Office Holdings, LLC.

We do not expect to have material future cash outlays relating to these joint ventures outside our share of capital for future acquisitions of properties.

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 one of its subsidiaries as a taxable REIT subsidiary. In general, the Company’s taxable REIT subsidiary 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.

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For the three months ended September 30, 2014 and 2013, the Company recorded federal and state income tax expense of $0.4 million and $0.3 million, respectively. For the nine months ended September 30, 2014 and 2013, the Company recorded federal and state income tax expense of $1.0 million and $1.0 million, respectively. At September 30, 2014 and 2013, 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, 2014 and 2013, the Company had no interest or penalties related to uncertain tax positions. Net income taxes payable and the deferred tax liability of our taxable REIT subsidiary are classified within accounts payable and accrued liabilities in the consolidated balance sheet. As of September 30, 2014, the Company’s taxable REIT subsidiary has a current tax liability of $0.3 million and a deferred tax liability of $0.8 million. The tax years 2011-2013 remain open to examination by the major taxing jurisdictions to which the Company is subject.

12. EARNINGS PER SHARE

The Company reports earnings per share data in accordance ASC Topic 260, “Earnings Per Share.” Effective January 1, 2009, FASB ASC Topic 260 was updated for the issuance of FASB Staff Position (“FSP”) EITF 03-6-1, “Determining Whether Instruments Granted in Share-Based Payment Transactions Are Participating Securities”, or FSP EITF 03-6-1, with transition guidance included in FASB ASC Topic 260-10-65-2. Under FSP EITF 03-6-1, 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 Company has calculated its basic and diluted earnings per share using the two-class method. 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 Sep. 30, 2014		Three Months Ended Sep. 30, 2013		Nine Months Ended Sep. 30, 2014		Nine Months Ended Sep. 30, 2013
Numerator:
Net income from continuing operations attributable to common shareholders	$	25,589	$	19,431	$	62,838	$	51,245
Denominator:
Denominator for basic earnings per share – weighted average shares		33,235		31,469		32,806		31,078
Effect of Dilutive Securities:
Stock options and non-vested stock		164		157		166		157
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversion		33,399		31,626		32,972		31,235
Basic earnings per common share from continuing operations attributable to common shareholders	$	0.77	$	0.62	$	1.92	$	1.65
Basic earnings per common share attributable to common shareholders	$	0.77	$	0.63	$	1.92	$	1.67
Diluted earnings per common share from continuing operations attributable to common shareholders	$	0.77	$	0.61	$	1.91	$	1.64
Diluted earnings per common share attributable to common shareholders	$	0.77	$	0.62	$	1.91	$	1.66

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Not included in the effect of dilutive securities above are 6,000 stock options and 125,775 unvested restricted shares for the three months ended September 30, 2014, and 121,916 unvested restricted shares for the three months ended September 30, 2013, because their effect would be antidilutive. Not included in the effect of dilutive securities above are 6,667 stock options and 145,690 unvested restricted shares for the nine months ended September 30, 2014, and 2,667 stock options and 88,901 unvested restricted shares for the nine months ended September 30, 2013, because their effect would be antidilutive.

13. SHAREHOLDERS’ EQUITY

The following is a reconciliation of the changes in total shareholders’ equity for the period:

(dollars in thousands)	Nine Months Ended September 30, 2014
Beginning balance of total shareholders’ equity	$	870,709
Net proceeds from the issuance of common stock		87,179
Exercise of stock options		527
Earned portion of non-vested stock		3,451
Stock option expense		186
Deferred compensation outside directors		89
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units		(1,902	)
Net income attributable to common shareholders		62,838
Change in fair value of derivatives		(3,191	)
Dividends		(67,113	)
Ending balance of total shareholders’ equity	$	952,773

On May 12, 2014, the Company entered into a continuous equity offering program (“Equity Program”) with Wells Fargo Securities, LLC (“Wells Fargo”), Jefferies LLC (“Jefferies”), SunTrust Robinson Humphrey, Inc. (“SunTrust”), Piper Jaffray & Co. (“Piper”), HSBC Securities (USA) Inc. (“HSBC”), and BB&T Capital Markets, a division of BB&T Securities, LLC (“BB&T”), pursuant to which the Company may sell from time to time up to $225 million in aggregate offering price of shares of the Company’s common stock. Actual sales under the Equity 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 continue to offer, sell, and issue shares of common stock under the Equity Program from time to time based on various factors and conditions, although the Company is under no obligation to sell any shares under the Equity Program.

During the three months ended September 30, 2014, the Company issued 424,403 shares of common stock under the Equity Program at a weighted average issue price of $78.46 per share, generating net proceeds of $32.9 million after deducting $0.4 million of sales commissions paid to HSBC. During the nine months ended September 30, 2014, the Company issued 674,403 shares of common stock under the Equity Program at a weighted average issue price of $77.95 per share, generating net proceeds of $51.9 million after deducting $0.7 million of sales commissions paid to Piper and HSBC. As of September 30, 2014, the Company had $172.4 million available for issuance under the Equity Program.

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During the three months ended March 31, 2014, the Company issued 359,102 shares of common stock under a previous equity program at a weighted average issue price of $74.32 per share, generating net proceeds of $26.4 million after deducting $0.3 million of sales commissions payable to SunTrust.

In addition to sales commissions, the Company incurred expenses of $0.2 million in connection with these equity programs during 2014. The Company used the proceeds from the equity programs to fund a portion of the acquisition of 28 storage facilities.

In 2013, the Company implemented a Dividend Reinvestment Plan. The Company issued 129,837 shares under the plan in 2014.

14. RECENT ACCOUNTING PRONOUNCEMENTS

In July 2013, the FASB issued ASU 2013-11, “Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists.” This ASU provides explicit guidance regarding the presentation in the statement of financial position of an unrecognized tax benefit when net operating losses or tax credit carryforwards exist. It is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013, with early adoption permitted, and is applicable to the Company’s fiscal year beginning January 1, 2014. The adoption of this guidance did not have a material impact on the Company’s consolidated financial statements.

In April 2014, the FASB issued ASU 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant and Equipment (Topic 360): Reporting Discontinued Operations and disclosures of Components of an Entity”. Under this ASU, only disposals representing a strategic shift in operations should be presented as discontinued operations. Those strategic shifts should have a major effect on the organization’s operations and financial results. The ASU also requires new disclosures of both discontinued operations and certain other disposals that do not meet the definition of a discontinued operation. It is effective for fiscal years, and interim periods within those years, beginning after December 15, 2014, with early adoption permitted. We have adopted this guidance effective January 1, 2014 and the adoption is expected to significantly reduce the classification of property sales by the Company as discontinued operations.

The following table summarizes the revenues and expenses up to the date of sale of the one property sold in 2014 that are included in the Company’s consolidated statements of operations for the three and nine months ended September 30, 2014 and 2013.

	Three months ended September 30,				Nine months ended September 30,
(dollars in thousands)	2014		2013		2014		2013
Total revenues	$	80	$	180	$	465	$	526
Property operations and maintenance expense		23		50		111		161
Real estate tax expense		3		18		51		54
Depreciation and amortization expense		9		26		60		76
Gain on sale of real estate		1,777		—		1,777		—

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In May 2014, FASB issued ASU 2014-09, “Revenue from Contracts with Customers,” which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605),” and requires an entity to recognize revenue in a way that depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to in exchange for those goods or services. ASU 2014-09 is effective for fiscal years, and interim periods within those years, beginning after December 15, 2016. The Company has the option to apply the provisions of ASU 2014-09 either retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying the new guidance recognized at the date of initial application. The Company is currently evaluating the new standard to determine the impact it may have on the consolidated financial statements.

In June 2014, the FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period,” which requires a reporting entity to treat a performance target that affects vesting and that could be achieved after the requisite service period as a performance condition. ASU 2014-12 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2015. Early adoption is permitted. ASU 2014-12 may be adopted either prospectively for share-based payment awards granted or modified on or after the effective date, or retrospectively, using a modified retrospective approach. The modified retrospective approach would apply to share-based payment awards outstanding as of the beginning of the earliest annual period presented in the financial statements on adoption, and to all new or modified awards thereafter. The Company is currently evaluating the new standard to determine the impact it may have on the consolidated financial statements.

15. COMMITMENT AND CONTINGENCIES

At September 30, 2014, the Company was under contract to acquire five self-storage facilities for cash consideration of approximately $56.6 million. Three of these facilities were acquired in October 2014 for $41.1 million and were funded with draws on the Company’s line of credit. At September 30, 2014, Sovran HHF, a joint venture in which the Company has a 20% ownership interest, was under contract to acquire 11 self-storage facilities for cash consideration of approximately $153.0 million. The Company’s cash contribution to Sovran HHF for the purchase of the 11 facilities would be approximately $21.0 million. The purchase of these facilities by the Company or Sovran HHF is subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

The Company was also under contract as of September 30, 2014 to sell one self storage facility for cash consideration of approximately $6.3 million. The sale of this facility by the Company is subject to customary conditions to closing, and there is no assurance that this facility will be sold.

On or about August 25, 2014, a putative class action was filed against the Company in the Superior Court of New Jersey Law Division Burlington County. The action seeks to obtain declaratory, injunctive and monetary relief for a class of consumers based upon alleged violations by the Company of the New Jersey Truth in Customer Contract, Warranty and Notice Act, the New Jersey Consumer Fraud Act and the New Jersey Insurance Producer Licensing Act. On October 17, 2014, the action was removed from the Superior Court of New Jersey Law Division Burlington County to the United States District Court for the District of New Jersey. The Company intends to vigorously defend the action, and the possibility of any adverse outcome cannot be determined at this time.

16. SUBSEQUENT EVENTS

On October 2, 2014, the Company declared a quarterly dividend of $0.68 per common share. The dividend was paid on October 28, 2014 to shareholders of record on October 14, 2014. The total dividend paid amounted to $22.9 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.

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; 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; the Company’s cash flow may be insufficient to meet required payments of operating expenses, principal, interest and dividends; and tax law changes that may change the taxability of future income.

RESULTS OF OPERATIONS

FOR THE PERIOD JULY 1, 2014 THROUGH SEPTEMBER 30, 2014, COMPARED TO THE PERIOD JULY 1, 2013 THROUGH SEPTEMBER 30, 2013

We recorded rental revenues of $79.1 million for the three months ended September 30, 2014, an increase of $13.8 million or 21.1% when compared to rental revenues of $65.3 million for the same period in 2013. Of the increase in rental revenue, $4.4 million resulted from a 6.8% increase in rental revenues at the 385 core properties considered in same store sales (those properties included in the consolidated results of operations since January 1, 2013). The increase in same store rental revenues was a result of a 140 basis point increase in average quarterly occupancy and a 4.4% increase in rental income per square foot. The remaining increase in rental revenue of $9.4 million was a result of the revenues from the acquisition of 39 properties and the lease of four properties completed since January 1, 2013. Other operating income, which includes merchandise sales, insurance commissions, truck rentals, management fees and acquisition fees, increased by $1.0 million for the three months ended September 30, 2014 compared to the same period in 2013 primarily as a result of increased commissions earned on customer insurance.

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Property operations and maintenance expenses increased $2.3 million or 15.1% in the three months ended September 30, 2014 as compared to the same period in 2013. The 385 core properties considered in the same store pool experienced a $0.3 million or 2.2% increase in operating expenses as a result of higher costs for repairs and maintenance, bank charges and payroll expenses. The same store pool benefited from reduced property insurance and yellow page expenses. The remaining increase in property operating expenses of $2.0 million resulted from the acquisition of 39 properties and the lease of four properties completed since January 1, 2013. Real estate tax expense increased $1.4 million as a result of a 2.8% increase in property taxes on the 385 same store pool and the inclusion of taxes on the properties acquired and leased in 2014 and 2013.

Net operating income increased $11.1 million or 23.1% as a result of a 9.2% increase in our same store net operating income and the acquisitions completed since January 1, 2013.

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, depreciation and amortization expense, acquisition related costs, general and administrative expense, and deducting from net income: income from discontinued operations, interest income, gain on sale of real estate, and equity in income of joint ventures. We believe that NOI is a meaningful measure of 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. NOI should be considered in addition to, but not as a substitute for, other measures of financial performance reported in accordance with GAAP, such as total revenues, operating income and net income. There are material limitations to using a measure such as NOI, including the difficulty associated with comparing results among more than one company and the inability to analyze certain significant items, including depreciation and interest expense, that directly affect our net income. We compensate for these limitations by considering the economic effect of the excluded expense items independently as well as in connection with our analysis of net income. The following table reconciles NOI generated by our self-storage facilities to our net income presented in the consolidated financial statements for the three months ended September 30, 2014 and 2013.

	Three Months ended September 30,
(dollars in thousands)	2014			2013
Net operating income
Same store	$	49,924		$	45,723
Other stores and management fee income		9,100			2,211
Total net operating income		59,024			47,934
General and administrative		(10,041	)		(8,965	)
Acquisition related costs		(1,210	)		(776	)
Operating leases of storage facilities		(1,997	)		—
Depreciation and amortization		(13,357	)		(11,293	)
Interest expense		(9,116	)		(7,923	)
Interest income		1			1
Gain on sale of real estate		1,777			—
Equity in income of joint ventures		662			575
Income from discontinued operations		—			246
Net income	$	25,743		$	19,799

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Our 2014 same store results consist of only those properties that were included in our consolidated results since January 1, 2013, and exclude the five properties we sold since January 1, 2013. The following table sets forth operating data for our 385 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)	2014		2013		Change
Same store rental income	$	68,829	$	64,460		6.8	%
Same store other operating income		3,711		3,348		10.8	%
Total same store operating income		72,540		67,808		7.0	%
Payroll and benefits		6,316		6,170		2.4	%
Real estate taxes		7,030		6,836		2.8	%
Utilities		2,939		2,943		-0.1	%
Repairs and maintenance		2,498		2,193		13.9	%
Office and other operating expenses		2,500		2,460		1.6	%
Insurance		980		1,102		-11.1	%
Advertising and yellow pages		353		381		-7.3	%
Total same store operating expenses		22,616		22,085		2.4	%
Same store net operating income	$	49,924	$	45,723		9.2	%
					Change
Quarterly same store move ins		40,458		43,002		(2,544	)
Quarterly same store move outs		45,082		46,853		(1,771	)

We believe the decrease in same store move ins was a byproduct of our increased occupancy, leaving fewer spaces to rent. We believe the decrease in move outs is a byproduct of customers staying longer with us.

General and administrative expenses for the three months ended September 30, 2014 increased $1.1 million or 12.0% compared with the three months ended September 30, 2013. The key driver of the increase was a $0.5 million increase in salaries and performance incentives. The remaining $0.6 million increase is the result of various other administrative costs related to managing the increased number of stores in our portfolio as compared to the 2013 period.

Acquisition related costs were $1.2 million in the three months ended September 30, 2014 as a result of the acquisition of five stores during that period. Acquisition related costs for the three months ended September 30, 2013 were $0.8 million as a result of the acquisition of three stores during that period.

The operating lease expense for storage facilities in the 2014 period relates to leases which commenced in November 2013 with respect to four self storage facilities in New York (2) and Connecticut (2). Such leases have annual lease payments of $6 million with a provision for 4% annual increases, and an exclusive option to purchase the facilities for $120 million.

Depreciation and amortization expense increased to $13.4 million in the three months ended September 30, 2014 from $11.3 million in the same period of 2013, primarily as a result of depreciation on the 39 properties acquired in 2013 and 2014.

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Interest expense increased from $7.9 million in the three months ended September 30, 2013 to $9.1 million in the same period in 2014. The increase was due the higher outstanding balance on our terms notes in 2014 which were used to fund a portion of our acquisitions and to repay our line of credit balance.

During the three months ended September 30, 2014 we sold one storage facility in Texas for net proceeds of approximately $4.9 million, resulting in a gain on sale of $1.8 million.

In the 4^th quarter of 2013, we sold four non-strategic facilities in Ohio, Florida (2), and Virginia for net proceeds of approximately $11.7 million resulting in a gain of approximately $2.4 million. The 2013 operations of these facilities are reported in income from discontinued operations as required under previous accounting guidance.

FOR THE PERIOD JANUARY 1, 2014 THROUGH SEPTEMBER 30, 2014, COMPARED TO THE PERIOD JANUARY 1, 2013 THROUGH SEPTEMBER 30, 2013

We recorded rental revenues of $223.4 million for the nine months ended September 30, 2014, an increase of $36.4 million or 19.5% when compared to rental revenues of $187.0 million for the same period in 2013. Of the increase in rental revenue, $14.0 million resulted from a 7.6% increase in rental revenues at the 385 core properties considered in same store sales (those properties included in the consolidated results of operations since January 1, 2013). The increase in same store rental revenues was a result of a 240 basis point increase in average quarterly occupancy and a 4.1% increase in rental income per square foot. The remaining increase in rental revenue of $22.4 million was a result of the revenues from the acquisition of 39 properties and the lease of four properties completed since January 1, 2013. Other operating income, which includes merchandise sales, insurance commissions, truck rentals, management fees and acquisition fees, increased by $3.3 million for the nine months ended September 30, 2014 compared to the same period in 2013 primarily as a result of increased commissions earned on customer insurance. Also included in 2014 other income is an acquisition fee of $0.1 million related to three properties acquired for one of our unconsolidated joint ventures. There was no such fee in 2013.

Property operations and maintenance expenses increased $6.1 million or 13.6% in the nine months ended September 30, 2014 as compared to the same period in 2013. The 385 core properties considered in the same store pool experienced a $1.5 million or 3.3% increase in operating expenses as a result of higher costs for payroll, utilities, and repairs and maintenance. The same store pool benefited from reduced insurance and yellow page expenses. The remaining increase in property operating expenses of $4.6 million resulted from the acquisition of 39 properties and the lease of four properties completed since January 1, 2013. Real estate tax expense increased $4.7 million as a result of an 8.2% increase in property taxes on the 385 same store pool and the inclusion of taxes on the properties acquired and leased in 2014 and 2013.

Net operating income increased $28.9 million or 21.2% as a result of a 9.5% increase in our same store net operating income and the acquisitions completed since January 1, 2013.

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Net operating income or “NOI” is a non-GAAP (generally accepted accounting principles) financial measure that we define as total continuing revenues less continuing property operating expenses. NOI also can be calculated by adding back to net income: interest expense, impairment and casualty losses, depreciation and amortization expense, acquisition related costs, general and administrative expense, and deducting from net income: income from discontinued operations, interest income, gain on sale of real estate, and equity in income of joint ventures. We believe that NOI is a meaningful measure of 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. NOI should be considered in addition to, but not as a substitute for, other measures of financial performance reported in accordance with GAAP, such as total revenues, operating income and net income. There are material limitations to using a measure such as NOI, including the difficulty associated with comparing results among more than one company and the inability to analyze certain significant items, including depreciation and interest expense, that directly affect our net income. We compensate for these limitations by considering the economic effect of the excluded expense items independently as well as in connection with our analysis of net income. The following table reconciles NOI generated by our self-storage facilities to our net income presented in the consolidated financial statements for the nine months ended September 30, 2014 and 2013.

	Nine Months ended September 30,
(dollars in thousands)	2014			2013
Net operating income
Same store	$	143,073		$	130,693
Other stores and management fee income		22,213			5,726
Total net operating income		165,286			136,419
General and administrative		(30,400	)		(26,745	)
Acquisition related costs		(5,926	)		(1,263	)
Operating leases of storage facilities		(5,991	)		—
Depreciation and amortization		(37,780	)		(33,852	)
Interest expense		(25,331	)		(24,827	)
Interest income		31			2
Gain on sale of real estate		1,777			421
Equity in income of joint ventures		1,553			1,417
Income from discontinued operations		—			651
Net income	$	63,219		$	52,223

Our 2014 same store results consist of only those properties that were included in our consolidated results since January 1, 2013, and exclude the five properties we sold since January 1, 2013. The following table sets forth operating data for our 385 same store properties. These results provide information relating to property operating changes without the effects of acquisitions.

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Same Store Summary

	Nine Months ended September 30,				Percentage
(dollars in thousands)	2014		2013		Change
Same store rental income	$	199,154	$	185,164		7.6	%
Same store other operating income		10,964		9,489		15.5	%
Total same store operating income		210,118		194,653		7.9	%
Payroll and benefits		18,826		18,471		1.9	%
Real estate taxes		21,083		19,479		8.2	%
Utilities		8,211		7,791		5.4	%
Repairs and maintenance		7,509		6,704		12.0	%
Office and other operating expenses		7,330		7,137		2.7	%
Insurance		3,023		3,219		-6.1	%
Advertising and yellow pages		1,063		1,159		-8.3	%
Total same store operating expenses		67,045		63,960		4.8	%
Same store net operating income	$	143,073	$	130,693		9.5	%
					Change
Year-to-date same store move ins		124,646		128,650		(4,004	)
Year-to-date same store move outs		120,050		122,083		(2,033	)

We believe the decrease in same store move ins was a byproduct of our increased occupancy, leaving fewer spaces to rent. We believe the decrease in year-to-date move outs is a result of customers staying longer with us.

General and administrative expenses for the nine months ended September 30, 2014 increased $3.7 million or 13.7% compared with the nine months ended September 30, 2013. The key driver of the increase was a $2.0 million increase in salaries and performance incentives and a $0.6 million increase in internet advertising. The remaining $1.1 million increase is the result of various other administrative costs related to managing the increased number of stores in our portfolio as compared to the 2013 period.

Acquisition related costs were $5.9 million in the nine months ended September 30, 2014 as a result of the acquisition of 28 stores during that period. Acquisition related costs for the nine months ended September 30, 2013 were $1.3 million as a result of the acquisition of six stores during that period.

The operating lease expense for storage facilities in the 2014 period relates to leases which commenced in November 2013 with respect to four self storage facilities in New York (2) and Connecticut (2). Such leases have annual lease payments of $6 million with a provision for 4% annual increases, and an exclusive option to purchase the facilities for $120 million.

Depreciation and amortization expense increased to $37.8 million in the nine months ended September 30, 2014 from $33.9 million in the same period of 2013, primarily as a result of depreciation on the 39 properties acquired in 2013 and 2014.

Interest expense increased from $24.8 million in the nine months ended September 30, 2013 to $25.3 million in the same period in 2014. The increase was due the higher outstanding balance on our terms notes in 2014 which were used to fund a portion of our acquisitions and to repay our line of credit balance.

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During the three months ended September 30, 2014 we sold one storage facility in Texas for net proceeds of approximately $4.9 million, resulting in a gain on sale of $1.8 million. During the nine months ended September 30, 2013, we sold our equity interest and mortgage note in a formerly consolidated joint venture for $4.4 million resulting in a gain on the sale of $0.4 million.

In the 4^th quarter of 2013, we sold four non-strategic facilities in Ohio, Florida (2), and Virginia for net proceeds of approximately $11.7 million resulting in a gain of approximately $2.4 million. The 2013 operations of these facilities are reported in income from discontinued operations as required under previous accounting guidance.

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.

In October and November of 2011, NAREIT issued guidance for reporting FFO that reaffirmed NAREIT’s view that impairment write-downs of depreciable real estate should be excluded from the computation of FFO. This view is based on the fact that impairment write-downs are akin to and effectively reflect the early recognition of losses on prospective sales of depreciable property or represent adjustments of previously charged depreciation. Since depreciation of real estate and gains/losses from sales are excluded from FFO, it is NAREIT’s view that it is consistent and appropriate for write-downs of depreciable real estate to also be excluded. Our calculation of FFO excludes impairment write-downs of investments in storage facilities.

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.

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Reconciliation of Net Income to Funds From Operations (unaudited)

(in thousands)	Three Months Ended Sep. 30, 2014			Three Months Ended Sep. 30, 2013			Nine Months Ended Sep. 30, 2014			Nine Months Ended Sep. 30, 2013
Net income attributable to common shareholders	$	25,589		$	19,675		$	62,838		$	51,892
Net income attributable to noncontrolling interest		154			124			381			331
Depreciation of real estate and amortization of intangible assets		13,127			11,071			37,097			33,211
Depreciation of real estate included in discontinued operations		—			89			—			266
Depreciation and amortization from unconsolidated joint ventures		430			373			1,166			1,119
Gain on sale of real estate		(1,777	)		—			(1,777	)		(421	)
Funds from operations allocable to noncontrolling redeemable Operating Partnership Units		(224	)		(196	)		(601	)		(547	)
FFO available to common shareholders	$	37,299		$	31,136		$	99,104		$	85,851

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, 2014, the Company was in compliance with all debt covenants. The most sensitive covenant is the leverage ratio covenant contained in certain of our term note agreements. This covenant limits our total consolidated liabilities to 55% of our gross asset value. At September 30, 2014, our leverage ratio as defined in the agreements was approximately 35.4%. The agreements define total consolidated liabilities to include the liabilities of the Company plus our share of liabilities of unconsolidated joint ventures. The agreements also define a prescribed formula for determining gross asset value which incorporates the use of a 9.25% capitalization rate applied to annualized earnings before interest, taxes, depreciation and amortization and other items (“Adjusted EBITDA”) as defined in the agreements. In the event that the Company violates 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, 2014, 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 through April 2016, at which time $150 million of term notes mature.

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Cash flows from operating activities were $107.6 million and $85.6 million for the nine months ended September 30, 2014, and 2013, respectively. The increase in operating cash flows in the 2014 period compared to the 2013 period was primarily due to the increase in net income and an increase in accrued interest in 2014 as compared to the same period in 2013. The accrued interest is associated with the 2014 $175 million 10 year term note which requires interest payments in October and April each year. Accrued interest is included in accounts payable and other liabilities.

Cash used in investing activities was $255.1 million and $68.8 million for the nine months ended September 30, 2014 and 2013, respectively. The increase in cash used in investing activities in the 2014 period compared to the 2013 period was due to the acquisition of 28 storage facilities in the nine months ended September 30, 2014 for $229.7 million as compared to six storage facilities in the same period of 2013 for $50.2 million. In 2014 we also made additional investments of $9.4 million in unconsolidated joint ventures to fund our share of the purchase price of three storage facilities acquired by the joint venture and to fund a deposit on future acquisitions by the joint venture.

Cash provided by financing activities was $145.4 million for the nine months ended September 30, 2014 compared to $14.4 million cash used in financing activities for the nine months ended September 30, 2013. In the 2014 period we received proceeds of $175.0 million on a 10 year term note and used the proceeds to reduce our line of credit and fund a portion of our acquisitions. We made net repayments on our line of credit of $49.0 million in the 2014 period. In the 2014 period we also issued shares under our continuous equity offering program to fund acquisitions which, when combined with proceeds from the exercise of stock options and the sale of common stock through our dividend reinvestment plan, resulted in net cash proceeds from the sale of common stock of $87.7 million. We paid dividends of $67.1 million in the 2014 period which increased in comparison to dividends of $46.3 million in the 2013 period primarily because of an increase in our common shares outstanding and an increase in our dividend rate. In the 2013 period we received more proceeds under our continuous equity offering program in comparison to the 2014 period for the purpose of funding acquisitions and reducing the balance on our line of credit. Proceeds from the issuance of shares under the equity offering program, stock option exercises and the sale of shares through our dividend reinvestment plan resulted in net proceeds of $91.1 million in the 2013 period. We made net repayments on our line of credit of $56.0 million in the 2013 period.

On April 8, 2014, the Company entered into a $175 million term note maturing April 2024 bearing interest at a fixed rate of 4.533%. The interest rate on the term note increases to 6.283% if the Company is not rated by at least one rating agency or if the Company’s credit rating is downgraded. The proceeds from this term note were used to repay the $115 million outstanding on the Company’s line of credit at April 8, 2014, with the excess proceeds used to fund a portion of the 2014 acquisitions.

On June 4, 2013, the Company entered into an amendment to its unsecured credit arrangement. As part of the amended agreement, the Company entered into a $225 million unsecured term note maturing June 4, 2020 bearing interest at LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014 the margin is 1.65%). The agreement also provides for a $175 million (expandable to $250 million) revolving line of credit bearing interest at a variable rate equal to LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014

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the margin is 1.50%), and requires a 0.20% facility fee. The interest rate at September 30, 2014 on the Company’s available line of credit was approximately 1.65% (1.67% at December 31, 2013). At September 30, 2014, there was $174.3 million available on the unsecured line of credit without considering the additional availability under the expansion feature. The revolving line of credit has a maturity date of June 4, 2018, but can be extended for two one-year periods at the Company’s option with the payment of an extension fee equal to 0.125% of the total line of credit commitment.

In addition, on June 4, 2013, as part of the amendment to its unsecured credit arrangement, the Company secured an additional $100 million term note with a delayed draw feature that was used to fund the Company’s term notes that matured in September 2013. The delayed draw term note matures June 4, 2020 and bears interest at LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014 the margin is 1.65%).

On August 5, 2011, the Company entered into a $100 million term note maturing August 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. The proceeds from this term note were used to fund acquisitions and investments in unconsolidated joint ventures.

The Company also maintains a $150 million unsecured term note maturing in April 2016 bearing interest at 6.38%. The interest rate on the $150 million unsecured term note increases to 8.13% if the notes are not rated by at least one rating agency, the credit rating on the notes is downgraded or the Company’s credit rating is downgraded.

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

In addition to the unsecured financing mentioned above, our consolidated financial statements also include a $2.2 million mortgage payable that is secured by a storage facility.

On May 12, 2014, the Company entered into a continuous equity offering program (“Equity Program”) with Wells Fargo Securities, LLC (“Wells Fargo”), Jefferies LLC (“Jefferies”), SunTrust Robinson Humphrey, Inc. (“SunTrust”), Piper Jaffray & Co. (“Piper”), HSBC Securities (USA) Inc. (“HSBC”), and BB&T Capital Markets, a division of BB&T Securities, LLC (“BB&T”), pursuant to which the Company may sell from time to time up to $225 million in aggregate offering price of shares of the Company’s common stock. Actual sales under the Equity 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 continue to offer, sell, and issue shares of common stock under the Equity Program from time to time based on various factors and conditions, although the Company is under no obligation to sell any shares under the Equity Program.

- 32 -

During the three months ended September 30, 2014, the Company issued 424,403 shares of common stock under the Equity Program at a weighted average issue price of $78.46 per share, generating net proceeds of $32.9 million after deducting $0.4 million of sales commissions paid to HSBC. During the nine months ended September 30, 2014, the Company issued 674,403 shares of common stock under the Equity Program at a weighted average issue price of $77.95 per share, generating net proceeds of $51.9 million after deducting $0.7 million of sales commissions paid to Piper and HSBC. As of September 30, 2014, the Company had $172.4 million available for issuance under the Equity Program.

During the three months ended March 31, 2014, the Company issued 359,102 shares of common stock under a previous equity program at a weighted average issue price of $74.32 per share, generating net proceeds of $26.4 million after deducting $0.3 million of sales commissions payable to SunTrust.

In addition to sales commissions, the Company incurred expenses of $0.2 million in connection with these equity programs during 2014. The Company used the proceeds from the equity programs to fund a portion of the acquisition of 28 storage facilities.

In 2013, the Company implemented a Dividend Reinvestment Plan. The Company issued 129,837 shares under the plan during the nine months ended September 30, 2014.

During the nine months ended September 30, 2014 and 2013, we did not acquire any shares of our common stock via the Share Repurchase Program authorized by the Board of Directors. From the inception of the Share Repurchase Program through September 30, 2014, we have reacquired a total of 1,171,886 shares pursuant to this program. From time to time, subject to market price and certain loan covenants, we may reacquire additional shares.

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 as we approach April 2016, when certain term notes mature.

ACQUISITION AND DISPOSITION OF PROPERTIES

In the nine months ended September 30, 2014, the Company acquired 28 self-storage facilities comprising 1.9 million square feet in Florida (3), Georgia (1), Illinois (2), Maine (2), Missouri (7), New Jersey (6), New York (1), Tennessee (1), Texas (4) and Virginia (1) for a total purchase price of $237.0 million. Based on the trailing financial information of the entities from which the properties were acquired, the weighted average capitalization rate was 5.5% on these purchases and ranged from 0% on a recently constructed facility to 7.4% on mature facilities.

Sovran HHF Holdings LLC, a joint venture in which the Company is a 20% owner, acquired three self-storage facilities in the nine months ended September 30, 2014 for approximately $34 million. The Company’s share of the capital required for these purchases was approximately $7 million.

- 33 -

In 2013, we acquired 11 self storage facilities comprising 0.6 million square feet in Colorado (1), Connecticut (1), Florida (1), Massachusetts (1), New Jersey (2), New York (3), and Texas (2) for a total purchase price of $94.9 million. In addition to the properties acquired, in November 2013 the Company entered into lease agreements with respect to four self storage facilities in New York (2) and Connecticut (2). Such leases have annual lease payments of $6 million with a provision for 4% annual increases, and an exclusive option to purchase the facilities for $120 million.

In August 2014 we sold one storage facility in Texas for net proceeds of approximately $4.9 million, resulting in a gain on sale of $1.8 million.

In February 2013, we sold our equity interest and a mortgage note in one storage facility in New Jersey for $4.4 million resulting in a gain of $0.4 million.

During 2013, we sold four non-strategic storage facilities in Florida (2), Ohio (1), and Virginia (1) for net proceeds of approximately $11.7 million resulting in a gain of approximately $2.4 million. We may seek to sell additional properties to third parties or joint venture partners in 2014, and at September 30, 2014 we had one property on sale contract for $6.3 million.

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 2014, and at September 30, 2014 we had five properties under contract to be purchased for approximately $56.6 million. Three of these facilities were acquired in October 2014 for $41.1 million.

Also at September 30, 2014, Sovran HHF, a joint venture in which the Company has a 20% ownership interest, was under contract to acquire 11 self-storage facilities for cash consideration of approximately $153.0 million. Subject to the satisfaction of customary closing conditions, Sovran HHF anticipates the acquisition of these properties will occur in November 2014. Sovran HHF expects the properties will be encumbered by a $50 million mortgage.

In the nine months ended September 30, 2014, we added 168,800 square feet to existing properties for a total cost of approximately $11.1 million. During 2013, we added 295,000 square feet to existing properties and converted 9,000 square feet to premium storage for a total cost of approximately $17.9 million. Although we do not expect to construct any new facilities in 2014, we do plan to complete an additional $10.0 million of expansions and enhancements to our existing facilities.

We also expect to continue making capital expenditures on our properties. This includes roofing, paving, and remodeling of store offices. For the first nine months of 2014 we spent approximately $10.1 million on such improvements and we expect to spend approximately $5.8 million for the remainder of 2014.

- 34 -

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.

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, 2014, 198,913 Units are outstanding. These Units had been issued in prior years 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 have entered into interest rate swap agreements in order to mitigate the effects of fluctuations in interest rates on our variable rate debt. The LIBOR base rates have been contractually fixed on $325 million of our debt through the interest rate swap termination dates. See Note 8 to our consolidated financial statements appearing elsewhere in this quarterly report on Form 10-Q.

Based on our outstanding unsecured floating rate debt of $325 million at September 30, 2014, and taking into account our interest rate swap agreements, a 100 basis point increase in interest rates would have no effect on our annual interest expense. These amounts were determined by considering the impact of the hypothetical interest rates on our borrowing cost and our interest rate swap agreements in effect on September 30, 2014. These analyses do 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 the facilities are on a month-to-month basis which provides us with the opportunity to increase rental rates as each lease matures.

- 35 -

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 incidence 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 affect materially distributions to shareholders.

RECENT ACCOUNTING PRONOUNCEMENTS

See Note 14 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.

Item 4. Controls and Procedures

Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures

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, 2014. 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, 2014.

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.

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PART II. Other Information

Item 1. Legal Proceedings

On or about August 25, 2014, a putative class action was filed against the Company in the Superior Court of New Jersey Law Division Burlington County. The action seeks to obtain declaratory, injunctive and monetary relief for a class of consumers based upon alleged violations by the Company of the New Jersey Truth in Customer Contract, Warranty and Notice Act, the New Jersey Consumer Fraud Act and the New Jersey Insurance Producer Licensing Act. On October 17, 2014, the action was removed from the Superior Court of New Jersey Law Division Burlington County to the United States District Court for the District of New Jersey. The Company intends to vigorously defend the action.

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, 2013, which could materially affect our business, financial condition or future results. The risks described in our Annual Report on Form 10-K are not the only risks facing our Company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and operating results.

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

None

Item 3. Defaults Upon Senior Securities

None

Item 4. Mine Safety Disclosures

Not Applicable

Item 5. Other Information

None

Item 6. Exhibits

31.1	Certification of Chief Executive Officer 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 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 Pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

- 37 -

101	The following financial statements from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2014, formatted in XBRL, as follows:
	(i) Consolidated Balance Sheets at September 30, 2014 and December 31, 2013;
	(ii) Consolidated Statements of Operations for the three and nine months ended September 30, 2014 and 2013;
	(iii) Consolidated Statements of Cash Flows for the three and nine months ended September 30, 2014 and 2013;
	(iv) Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2014 and 2013; and
	(v) Notes to Consolidated Financial Statements.

- 38 -

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.

	Sovran Self Storage, Inc.
	By:	/S/ Andrew J. Gregoire
		Andrew J. Gregoire
		Chief Financial Officer (Principal Accounting Officer)
November 4, 2014
Date

- 39 -

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, David L. Rogers, certify that:

1. I have reviewed this report on Form 10-Q of Sovran Self 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 4, 2014

/S/ David L. Rogers

David L. Rogers

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 Sovran Self 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 4, 2014

/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 Sovran Self 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, 2014 (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 4, 2014

/S/ David L. Rogers

David L. Rogers

Chief Executive Officer

/S/ Andrew J. Gregoire

Andrew J. Gregoire

Chief Financial Officer

XML

Investment in Storage Facilities - Summary of Activity in Storage Facilities (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Cost:
Beginning balance	$ 1,864,637
Acquisition of storage facilities	232,763
Improvements and equipment additions	21,232
Net decrease in construction in progress	(975)
Dispositions	(4,523)
Ending balance	2,113,134
Accumulated Depreciation:
Beginning balance	366,472
Depreciation expense during the period	35,057
Dispositions	(1,223)
Ending balance	$ 400,306

XML

Derivative Financial Instruments - Summary of Interest Rate Swap Agreements (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Interest Rate Swap [Member]
Derivative [Line Items]
Notional Amount	$ 125
Effective Date	Sep. 01, 2011
Expiration Date	Aug. 01, 2018
Fixed Rate Paid	2.37%
Interest Rate Swap [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Floating Rate Received	1 month LIBOR
Interest Rate Swap One [Member]
Derivative [Line Items]
Notional Amount	100
Effective Date	Dec. 30, 2011
Expiration Date	Dec. 29, 2017
Fixed Rate Paid	1.6125%
Interest Rate Swap One [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Floating Rate Received	1 month LIBOR
Interest Rate Swap Two [Member]
Derivative [Line Items]
Notional Amount	100
Effective Date	Sep. 04, 2013
Expiration Date	Sep. 04, 2018
Fixed Rate Paid	1.371%
Interest Rate Swap Two [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Floating Rate Received	1 month LIBOR
Interest Rate Swap Three [Member]
Derivative [Line Items]
Notional Amount	100
Effective Date	Dec. 29, 2017
Expiration Date	Nov. 29, 2019
Fixed Rate Paid	3.968%
Interest Rate Swap Three [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Floating Rate Received	1 month LIBOR
Interest Rate Swap Four [Member]
Derivative [Line Items]
Notional Amount	$ 125
Effective Date	Aug. 01, 2018
Expiration Date	Jun. 01, 2020
Fixed Rate Paid	4.193%
Interest Rate Swap Four [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Floating Rate Received	1 month LIBOR

XML

Unsecured Line of Credit and Term Notes - Additional Information (Detail) (USD $)	9 Months Ended		0 Months Ended	9 Months Ended		12 Months Ended	9 Months Ended			9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Apr. 08, 2014 Maturity in April, 2024 [Member]	Sep. 30, 2014 Maturity in April, 2024 [Member]	Sep. 30, 2014 Maturity in August 2021 [Member]	Dec. 31, 2011 Maturity in August 2021 [Member]	Sep. 30, 2014 Maturity in April 2016 [Member]	Sep. 30, 2014 Maturity on June 4, 2020 [Member]	Jun. 04, 2013 Maturity on June 4, 2020 [Member]	Sep. 30, 2014 Maturity on June 4, 2018 [Member] MortgageLoan	Dec. 31, 2013 Maturity on June 4, 2018 [Member]	Jun. 04, 2013 Term Loan Due in June, 4 2020 [Member]
Unsecured Line Of Credit And Term Notes [Line Items]
Additional secured term note			$ 175,000,000			$ 100,000,000
Term note stated interest rate				4.533%		5.54%	6.38%
Increase in interest rate on term loan				6.283%		7.29%	8.13%
Revolving line of credit facility agreement			115,000,000
Line of credit facility, expiration date				Apr. 08, 2024	Aug. 05, 2021		Apr. 13, 2016	Jun. 04, 2020		Jun. 04, 2018
Additional secured commitments	750,000,000	575,000,000					150,000,000		225,000,000			100,000,000
Basis spread over LIBOR								1.65%		1.50%
Revolving line of credit facility agreement	175,000,000
Revolving line of credit facility agreement, maximum capacity	250,000,000
Facility fee										0.20%
Interest rate, line of credit facility										1.65%	1.67%
Amount available on unsecured line of credit										174,300,000
Number of one year extensions										2
Extension facility fee	0.125%
Letters of credit outstanding amount										$ 700,000

XML

Derivative Financial Instruments - Summary of Changes in AOCL (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative [Line Items]
Accumulated other comprehensive loss beginning of period	$ (12,057)	$ (6,481)	$ (6,402)	$ (15,242)
Unrealized (loss) gain from changes in the fair value of the effective portion of the interest rate swaps	1,072	(5,046)	(7,325)	1,210
(Loss) gain included in other comprehensive loss	2,464	(3,572)	(3,191)	5,189
Accumulated other comprehensive loss end of period	(9,593)	(10,053)	(9,593)	(10,053)
Reclassification Out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Derivative [Line Items]
Realized loss reclassified from accumulated other comprehensive loss to interest expense	$ 1,392	$ 1,474	$ 4,134	$ 3,979

XML

Discontinued Operations - Summary of Amount Reported as Discontinued Operations (Detail) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Dec. 31, 2013
Discontinued Operations and Disposal Groups [Abstract]
Total revenue	$ 528,000	$ 1,490,000
Property operations and maintenance expense	(152,000)	(450,000)
Real estate taxes	(41,000)	(123,000)
Depreciation and amortization expense	(89,000)	(266,000)
Net realized gain on sale of property			2,400,000
Total income from discontinued operations	$ 246,000	$ 651,000

XML

Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2014

Equity [Abstract]

Reconciliation of Changes in Total Shareholders' Equity

The following is a reconciliation of the changes in total shareholders’ equity for the period:

(dollars in thousands)	Nine Months Ended September 30, 2014
Beginning balance of total shareholders’ equity	$	870,709
Net proceeds from the issuance of common stock		87,179
Exercise of stock options		527
Earned portion of non-vested stock		3,451
Stock option expense		186
Deferred compensation outside directors		89
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units		(1,902	)
Net income attributable to common shareholders		62,838
Change in fair value of derivatives		(3,191	)
Dividends		(67,113	)
Ending balance of total shareholders’ equity	$	952,773

XML

Fair Value Measurements - Additional Information (Detail)	3 Months Ended	9 Months Ended
	Sep. 30, 2014 Facility	Sep. 30, 2014 Facility
Fair Value Disclosures [Abstract]
Number of storage facilities acquired	5	28

XML

Investment in Storage Facilities (Tables)

9 Months Ended

Sep. 30, 2014

Real Estate [Abstract]

Summary of Activity in Storage Facilities

The following summarizes our activity in storage facilities during the nine months ended September 30, 2014.

(dollars in thousands)
Cost:
Beginning balance	$	1,864,637
Acquisition of storage facilities		232,763
Improvements and equipment additions		21,232
Net decrease in construction in progress		(975	)
Dispositions		(4,523	)
Ending balance	$	2,113,134

Accumulated Depreciation:
Beginning balance	$	366,472
Depreciation expense during the period		35,057
Dispositions		(1,223	)
Ending balance	$	400,306

Schedule of Acquired Facilities and Purchase Price of Facilities

During the nine months ended September 30, 2014 the Company acquired 28 self-storage facilities and the purchase price of the facilities has been assigned as follows (as of September 30, 2014 the purchase price assignments relating to the five facilities acquired during the three months ended September 30, 2014 are preliminary):

(dollars in thousands)							Consideration paid						Acquisition Date Fair Value
State	Number of Properties		Date of Acquisition		Purchase Price		Cash Paid		Loan Assumed		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		In-Place Customers Leases		Acquisition Costs Expensed
2014
Florida		2		1/9/2014	$	54,000	$	53,599	$	—	$	401	$	23,309	$	29,867	$	824	$	1,672
Texas		1		1/17/2014		9,000		8,962		—		38		3,999		4,856		145		215
Texas		1		2/10/2014		8,900		8,857		—		43		2,235		6,564		101		203
Maine		2		2/11/2014		14,750		14,601		—		149		2,639		11,824		287		406
Illinois		1		3/31/14		8,700		8,582		—		118		1,837		6,724		139		223
Illinois		1		5/5/14		5,500		5,487		—		13		598		4,902		—		44
Texas		1		5/13/14		6,075		6,017		—		58		2,000		3,935		140		180
Missouri		7		5/22/14		35,050		34,786		—		264		9,420		24,835		795		615
New Jersey		1		6/5/14		12,600		12,526		—		74		5,161		7,201		238		280
New York		1		6/11/14		8,000		7,988		—		12		1,741		6,106		153		201
New Jersey		1		6/12/14		2,500		2,430		—		70		—		2,319		181		63
Georgia		1		6/12/14		7,700		7,616		—		84		2,263		5,293		144		178
New Jersey		3		6/18/14		18,325		18,221		—		104		2,543		15,377		405		539
New Jersey		1		7/10/14		11,590		11,572		—		18		1,512		9,880		198		320
Florida		1		8/28/14		10,200		10,111		—		89		2,958		7,055		187		183
Virginia		1		9/5/14		6,400		6,373		—		27		2,349		3,947		104		266
Texas		1		9/10/14		11,200		11,046		—		154		4,657		6,349		194		195
Tennessee		1		9/18/14		6,550		6,535		—		15		759		5,749		42		143
Total 2014		28			$	237,040	$	235,309	$	—	$	1,731	$	69,980	$	162,783	$	4,277	$	5,926

Schedule of Fair Value of In-Place Customer Lease Intangible Assets

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

(Dollars in thousands)	Sep. 30, 2014			Dec. 31, 2013
In-place customer leases	$	18,920		$	14,643
Accumulated amortization		(16,274	)		(13,551	)
Net carrying value at the end of period	$	2,646		$	1,092

Pro Forma Information Based on Combined Historical Financial Statements on Properties Acquired

The following pro forma information is based on the combined historical financial statements of the Company and the 28 properties acquired, and presents the Company’s results as if the acquisitions had occurred as of January 1, 2013:

	Three months ended September 30,				Nine months ended September 30,
(dollars in thousands)	2014		2013		2014		2013
Total revenues	$	85,774	$	76,372	$	248,705	$	218,383
Net income attributable to common shareholders	$	27,795	$	20,018	$	70,712	$	43,984
Earnings per common share
Basic	$	0.83	$	0.60	$	2.11	$	1.31
Diluted	$	0.83	$	0.59	$	2.10	$	1.31

Summary of Revenues and Earnings Related to Properties Included in Company's Consolidated Statements of Operations

The following table summarizes the revenues and earnings related to the 28 properties since the acquisition dates that are included in the Company’s consolidated statements of operations for the three and nine months ended September 30, 2014.

	Three months ended September 30, 2014			Nine months ended September 30, 2014
Total revenues	$	5,562		$	10,047
Net loss attributable to common shareholders	$	(1,199	)	$	(5,774	)

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Mortgages Payable and Debt Maturities - Summary of Mortgage Payable (Parenthetical) (Detail) (5.99% Mortgage Notes Due May 1, 2026 [Member], USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014 Facility
5.99% Mortgage Notes Due May 1, 2026 [Member]
Debt Instrument [Line Items]
Term note stated interest rate	5.99%
Mortgage note due date	May 01, 2026
Self-storage facilities	1
Aggregate net book value of property pledged for mortgage note	$ 4.4
Effective interest rate	6.21%

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Investment in Storage Facilities - Schedule of Fair Value of In-Place Customer Lease Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Real Estate [Abstract]
In-place customer leases	$ 18,920	$ 14,643
Accumulated amortization	(16,274)	(13,551)
Net carrying value at the end of period	$ 2,646	$ 1,092

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Organization - Summary of Redeemable Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Redeemable Noncontrolling Interest, Equity, Fair Value [Abstract]
Beginning balance noncontrolling redeemable Operating Partnership Units			$ 12,940
Net income attributable to noncontrolling interests - consolidated joint venture	154	124	381	331
Distributions			(406)	(297)
Adjustment to redemption value			1,902
Ending balance noncontrolling redeemable Operating Partnership Units	$ 14,817		$ 14,817

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Mortgages Payable and Debt Maturities - Summary of Debt Obligation and Interest Rate Derivatives (Parenthetical) (Detail)	9 Months Ended
	Sep. 30, 2014
Line of credit - variable rate LIBOR + 1.50% (1.65% at September 30, 2014) [Member]
Proforma Debt Instrument [Line Items]
Interest rate at end of period	1.65%
Basis spread over LIBOR	1.50%
Term Note-Fixed Rate 6.38% [Member]
Proforma Debt Instrument [Line Items]
Interest rate at end of period	6.38%
Term note - variable rate LIBOR+1.65% (1.81% at September 30, 2014) [Member]
Proforma Debt Instrument [Line Items]
Interest rate at end of period	1.81%
Basis spread over LIBOR	1.65%
Term note - variable rate LIBOR+1.65% (1.80% at September 30, 2014) [Member]
Proforma Debt Instrument [Line Items]
Interest rate at end of period	1.80%
Basis spread over LIBOR	1.65%
Term Note-Fixed Rate 5.54% [Member]
Proforma Debt Instrument [Line Items]
Interest rate at end of period	5.54%
Term note - fixed rate 4.533% [Member]
Proforma Debt Instrument [Line Items]
Interest rate at end of period	4.533%
Mortgage Note-Fixed Rate 5.99% [Member]
Proforma Debt Instrument [Line Items]
Interest rate at end of period	5.99%

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Subsequent Events - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended	0 Months Ended
	Sep. 30, 2014	Oct. 28, 2014 Subsequent Event [Member]	Oct. 02, 2014 Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend declared, date	Oct. 02, 2014
Dividend per common share			$ 0.68
Dividend paid, date	Oct. 28, 2014
Dividend record, date	Oct. 14, 2014
Dividend paid		$ 22.9

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Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator:
Net income from continuing operations attributable to common shareholders	$ 25,589	$ 19,431	$ 62,838	$ 51,245
Denominator:
Denominator for basic earnings per share - weighted average shares	33,234,660	31,469,026	32,806,164	31,077,910
Effect of Dilutive Securities:
Stock options and non-vested stock	164,000	157,000	166,000	157,000
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversion	33,398,648	31,625,635	32,972,262	31,235,049
Basic earnings per common share from continuing operations attributable to common shareholders	$ 0.77	$ 0.62	$ 1.92	$ 1.65
Basic earnings per common share attributable to common shareholders	$ 0.77	$ 0.63	$ 1.92	$ 1.67
Diluted earnings per common share from continuing operations attributable to common shareholders	$ 0.77	$ 0.61	$ 1.91	$ 1.64
Diluted earnings per common share attributable to common shareholders	$ 0.77	$ 0.62	$ 1.91	$ 1.66

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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, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Unsecured Line Of Credit And Term Notes [Line Items]
Revolving line of credit borrowings		$ 49,000
Total term notes payable	750,000	575,000
Term Note Due April 13, 2016 [Member]
Unsecured Line Of Credit And Term Notes [Line Items]
Total term notes payable	150,000	150,000
Term Note Due June 4, 2020 [Member]
Unsecured Line Of Credit And Term Notes [Line Items]
Total term notes payable	225,000	225,000
Term Note Due June 4, 2020 Second [Member]
Unsecured Line Of Credit And Term Notes [Line Items]
Total term notes payable	100,000	100,000
Term Note Due August 5, 2021 [Member]
Unsecured Line Of Credit And Term Notes [Line Items]
Total term notes payable	100,000	100,000
Term Note Due April 8, 2024 [Member]
Unsecured Line Of Credit And Term Notes [Line Items]
Total term notes payable	$ 175,000

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Stock Based Compensation

9 Months Ended

Sep. 30, 2014

Disclosure of Compensation Related Costs, Share-based 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, 2014 and 2013, the Company recorded compensation expense (included in general and administrative expense) of $37,000 and $43,000, respectively, related to stock options and $1,129,000 and $795,000, respectively, related to amortization of non-vested stock grants. For the nine months ended September 30, 2014 and 2013, the Company recorded compensation expense (included in general and administrative expense) of $186,000 and $261,000, respectively, related to stock options and $3,451,000 and $1,977,000, respectively, related to amortization of non-vested stock grants.

During the three months ended September 30, 2014 and 2013, employees exercised 3,962 and 23,835 stock options respectively, and 31,078 and 13,334 shares of non-vested stock, respectively, vested. During the nine months ended September 30, 2014 and 2013, employees exercised 12,962 and 121,845 stock options respectively, and 48,678 and 32,796 shares of non-vested stock, respectively, vested.

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Earnings Per Share - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities not included in the effect of dilutive securities	6,000		6,667	2,667
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities not included in the effect of dilutive securities	125,775	121,916	145,690	88,901

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Investment in Storage Facilities - Pro Forma Information Based on Combined Historical Financial Statements on Properties Acquired (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Investments Schedule [Abstract]
Total revenues	$ 85,774	$ 76,372	$ 248,705	$ 218,383
Net income attributable to common shareholders	$ 27,795	$ 20,018	$ 70,712	$ 43,984
Basic	$ 0.83	$ 0.60	$ 2.11	$ 1.31
Diluted	$ 0.83	$ 0.59	$ 2.10	$ 1.31

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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Interest Rate Swap Agreements

The Company has interest rate swap agreements in effect at September 30, 2014 as detailed below to effectively convert a total of $325 million of variable-rate debt to fixed-rate debt.

Notional Amount	Effective Date		Expiration Date		Fixed Rate Paid			Floating Rate Received
$125 Million		9/1/2011		8/1/18		2.3700	%		1 month LIBOR
$100 Million		12/30/11		12/29/17		1.6125	%		1 month LIBOR
$100 Million		9/4/13		9/4/18		1.3710	%		1 month LIBOR
$100 Million		12/29/17		11/29/19		3.9680	%		1 month LIBOR
$125 Million		8/1/18		6/1/20		4.1930	%		1 month LIBOR

Summary of Changes in AOCL

The changes in AOCL for the three and nine months ended September 30, 2014 and September 30, 2013 are summarized as follows:

(dollars in thousands)	Jul. 1, 2014 to Sep. 30, 2014			Jul. 1, 2013 to Sep. 30, 2013			Jan. 1, 2014 to Sep. 30, 2014			Jan. 1, 2013 to Sep. 30, 2013
Accumulated other comprehensive loss beginning of period	$	(12,057	)	$	(6,481	)	$	(6,402	)	$	(15,242	)
Realized loss reclassified from accumulated other comprehensive loss to interest expense		1,392			1,474			4,134			3,979
Unrealized (loss) gain from changes in the fair value of the effective portion of the interest rate swaps		1,072			(5,046	)		(7,325	)		1,210
(Loss) gain included in other comprehensive loss		2,464			(3,572	)		(3,191	)		5,189
Accumulated other comprehensive loss end of period	$	(9,593	)	$	(10,053	)	$	(9,593	)	$	(10,053	)

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Mortgages Payable and Debt Maturities (Tables)

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Summary of Mortgage Payable

Mortgages payable at September 30, 2014 and December 31, 2013 consist of the following:

(dollars in thousands)	September 30, 2014		December 31, 2013
5.99% mortgage notes due May 1, 2026, secured by one self-storage facility with an aggregate net book value of $4.4 million, principal and interest paid monthly (effective interest rate 6.21%)		2,160		2,254
Total mortgages payable	$	2,160	$	2,254

Summary of Debt Obligation 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)	2014		2015		2016		2017		2018		Thereafter		Total		Fair Value
Line of credit - variable rate LIBOR + 1.50% (1.65% at September 30, 2014)		—		—		—		—		—		—		—		—
Notes Payable:
Term note - fixed rate 6.38%		—		—	$	150,000		—		—		—	$	150,000	$	163,809
Term note - variable rate LIBOR+1.65% (1.81% at September 30, 2014)		—		—		—		—		—	$	225,000	$	225,000	$	225,000
Term note - variable rate LIBOR+1.65% (1.80% at September 30, 2014)		—		—		—		—		—	$	100,000	$	100,000	$	100,000
Term note - fixed rate 5.54%		—		—		—		—		—	$	100,000	$	100,000	$	109,513
Term note - fixed rate 4.533%		—		—		—		—		—	$	175,000	$	175,000	$	175,881
Mortgage notes - fixed rate 5.99%	$	33	$	134	$	142	$	151	$	160	$	1,540	$	2,160	$	2,273
Interest rate derivatives – asset		—		—		—		—		—		—		—	$	(547	)
Interest rate derivatives – liability		—		—		—		—		—		—		—	$	10,458

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Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swaps	$ 547	$ 794
Interest rate swaps	(10,458)	(7,523)
Interest Rate Swap [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swaps	547	794
Interest rate swaps	(10,458)	(7,523)
Interest Rate Swap [Member] | Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swaps
Interest rate swaps
Interest Rate Swap [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swaps	547	794
Interest rate swaps	(10,458)	(7,523)
Interest Rate Swap [Member] | Level 3 [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Interest rate swaps
Interest rate swaps

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Investment in Storage Facilities - Summary of Revenues and Earnings Related to Properties Included in Company's Consolidated Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Investments Schedule [Abstract]
Total revenues	$ 5,562	$ 10,047
Net loss attributable to common shareholders	$ (1,199)	$ (5,774)

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Assets and Liabilities Carried at Fair Value Measured on Recurring Basis

The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of September 30, 2014 and December 31, 2013 (in thousands):

	Asset (Liability)			Level 1		Level 2			Level 3
September 30, 2014
Interest rate swaps		547			—		547			—
Interest rate swaps		(10,458	)		—		(10,458	)		—
December 31, 2013
Interest rate swaps		794			—		794			—
Interest rate swaps		(7,523	)		—		(7,523	)		—

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Investment in Joint Ventures (Tables)

9 Months Ended

Sep. 30, 2014

Equity Method Investments and Joint Ventures [Abstract]

Summary of Unconsolidated Joint Ventures' Financial Statements

A summary of the unconsolidated joint ventures’ financial statements as of and for the nine months ended September 30, 2014 is as follows:

(dollars in thousands)	Sovran HHF Storage Holdings LLC			Sovran HHF Storage Holdings II LLC			Iskalo Office Holdings, LLC
Balance Sheet Data:
Investment in storage facilities, net	$	189,678		$	185,656		$	—
Investment in office building		—			—			4,829
Other assets		17,478			4,687			920
Total Assets	$	207,156		$	190,343		$	5,749
Due to the Company	$	344		$	382		$	—
Mortgages payable		80,861			103,068			6,487
Other liabilities		3,447			2,358			551
Total Liabilities		84,652			105,808			7,038
Unaffiliated partners’ equity (deficiency)		98,003			71,861			(881	)
Company equity (deficiency)		24,501			12,674			(408	)
Total Partners’ Equity (Deficiency)		122,504			84,535			(1,289	)
Total Liabilities and Partners’ Equity (Deficiency)	$	207,156		$	190,343		$	5,749
Income Statement Data:
Total revenues	$	18,218		$	21,310		$	1,081
Property operating expenses		(5,797	)		(7,448	)		(400	)
Administrative, management and call center fees		(1,376	)		(1,581	)		—
Acquisition costs		(926	)		—			—
Depreciation and amortization of customer list		(3,242	)		(3,117	)		(172	)
Amortization of financing fees		(137	)		(152	)		(8	)
Income tax expense		(78	)		(301	)		—
Interest expense		(3,209	)		(3,866	)		(292	)
Net income	$	3,453		$	4,845		$	209

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Organization

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Organization

2. ORGANIZATION

Sovran Self Storage, Inc. (the “Company,” “We,” “Our,” or “Sovran”), a self-administered and self-managed real estate investment trust (a “REIT”), was formed on April 19, 1995 to own and operate self-storage facilities throughout the United States. On June 26, 1995, the Company commenced operations effective with the completion of its initial public offering. At September 30, 2014, we had an ownership interest in, leased, and/or managed 503 self-storage properties in 25 states under the name Uncle Bob’s Self Storage ^®. Among our 503 self-storage properties are 28 properties that we manage for an unconsolidated joint venture (Sovran HHF Storage Holdings LLC) of which we are a 20% owner, 30 properties that we manage for an unconsolidated joint venture (Sovran HHF Storage Holdings II LLC) of which we are a 15% owner, 17 properties that we manage and have no ownership interest, and four properties we lease. Approximately 39% of the Company’s revenue is derived from stores in the states of Texas and Florida.

All of the Company’s assets are owned by, and all its operations are conducted through, Sovran Acquisition Limited Partnership (the “Operating Partnership”). Sovran Holdings, Inc., a wholly-owned subsidiary of the Company (the “Subsidiary”), is the sole general partner of the Operating Partnership; the Company is a limited partner of the Operating Partnership, and through its ownership of the Subsidiary and its limited partnership interest controls the operations of the Operating Partnership, holding a 99.4% ownership interest therein as of September 30, 2014. The remaining ownership interests in the Operating Partnership (the “Units”) are held by certain former owners of assets acquired by the Operating Partnership subsequent to its formation.

We consolidate all wholly owned subsidiaries. Partially owned subsidiaries and joint ventures are consolidated when we control the entity. Our consolidated financial statements include the accounts of the Company, the Operating Partnership, Uncle Bob’s Management, LLC (the Company’s taxable REIT subsidiary), Locke Sovran I, LLC (a wholly-owned subsidiary), and Locke Sovran II, LLC (a wholly-owned subsidiary). All intercompany transactions and balances have been eliminated. Investments in joint ventures that we do not control but for which we have significant influence over are accounted for using the equity method.

On June 30, 2011, the Company entered into a newly formed joint venture agreement with an owner of a self-storage facility in New Jersey (West Deptford JV LLC). As part of the agreement the Company contributed $4.2 million to the joint venture for a $2.8 million mortgage note at 8%, a 20% common interest, and a $1.4 million preferred interest with an 8% preferred return. The Company had concluded that this joint venture is a variable interest entity pursuant to the guidance in FASB ASC Topic 810, “Consolidation” on the basis that the total equity investment in the joint venture is not sufficient to permit the joint venture to finance its activities without additional subordinated financial support from its investors. On February 5, 2013 the Company entered into a Membership Interest Purchase Agreement to sell its common and preferred interests in West Deptford JV LLC to the other joint venture partner for approximately $1.4 million, resulting in a gain of $0.4 million. Simultaneous with this transaction the joint venture partner also repaid the $2.8 million mortgage note held by the Company. As a result of these transactions the Company no longer holds any ownership interest in this joint venture. The results of operations of this joint venture are included in our 2013 consolidated financial statements through the February 5, 2013 date of divesture.

Included in the consolidated balance sheets are noncontrolling redeemable operating partnership units. These interests are presented in the “mezzanine” section of the consolidated balance sheet 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. At September 30, 2014 and December 31, 2013, there were 198,913 noncontrolling redeemable operating partnership Units outstanding. These unitholders are entitled to receive distributions per unit equivalent to the dividends declared per share on the 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 Company’s common stock, 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 EITF D-98, “Classification and Measurement of Redeemable Securities” which was codified in FASB ASC Topic 480-10-S99. The application of the FASB 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 redeemable Operating Partnership Units is reflected in dividends in excess of net income. Accordingly, in the accompanying consolidated balance sheet, noncontrolling redeemable Operating Partnership Units are reflected at redemption value at September 30, 2014 and December 31, 2013, equal to the number of Units outstanding multiplied by the fair market value of the Company’s common stock at that date. Redemption value exceeded the value determined under the Company’s historical basis of accounting at those dates.

(dollars in thousands)	Nine Months Ended Sep. 30, 2014
Beginning balance noncontrolling redeemable Operating Partnership Units	$	12,940
Net income attributable to noncontrolling interests – consolidated joint venture		381
Distributions		(406	)
Adjustment to redemption value		1,902
Ending balance noncontrolling redeemable Operating Partnership Units	$	14,817

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Common 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 Sep. 30, 2014		Three Months Ended Sep. 30, 2013		Nine Months Ended Sep. 30, 2014		Nine Months Ended Sep. 30, 2013
Numerator:
Net income from continuing operations attributable to common shareholders	$	25,589	$	19,431	$	62,838	$	51,245
Denominator:
Denominator for basic earnings per share – weighted average shares		33,235		31,469		32,806		31,078
Effect of Dilutive Securities:
Stock options and non-vested stock		164		157		166		157
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversion		33,399		31,626		32,972		31,235
Basic earnings per common share from continuing operations attributable to common shareholders	$	0.77	$	0.62	$	1.92	$	1.65
Basic earnings per common share attributable to common shareholders	$	0.77	$	0.63	$	1.92	$	1.67
Diluted earnings per common share from continuing operations attributable to common shareholders	$	0.77	$	0.61	$	1.91	$	1.64
Diluted earnings per common share attributable to common shareholders	$	0.77	$	0.62	$	1.91	$	1.66

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Investment in Storage Facilities - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014 Facility	Sep. 30, 2013	Sep. 30, 2014 Facility	Sep. 30, 2013	Dec. 31, 2013
Real Estate [Abstract]
Number of storage facilities acquired	5		28
Cash paid for properties acquired			$ 235,309,000
Deposits paid at the time of contract					5,600,000
Amortization period for in-place customer leases on a straight-line basis			12 months
Amortization expense related to in-place customer leases	1,200,000	800,000	2,700,000	2,700,000
Amortization expense for the year	4,000,000		4,000,000
Amortization expense for the next fiscal year following the latest fiscal year	$ 1,400,000		$ 1,400,000

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Derivative Financial Instruments - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Derivative [Line Items]
Interest Expense	$ 9,116,000	$ 7,923,000	$ 25,331,000	$ 24,827,000
Estimated payments to be made under interest rate swaps			5,500,000
Estimated payments to be made under interest rate swaps, assets	547,000		547,000		794,000
Fair value of interest rate swap agreements	10,458,000		10,458,000		7,523,000
Net termination value	9,900,000		9,900,000
Reclassification Out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Derivative [Line Items]
Interest Expense	1,400,000	1,500,000	4,100,000	4,000,000
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount of variable rate debt swapped	$ 325,000,000		$ 325,000,000

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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Investment in storage facilities:
Land	$ 381,794	$ 312,053
Building, equipment, and construction in progress	1,731,340	1,552,584
Real estate investment property, at cost, total	2,113,134	1,864,637
Less: accumulated depreciation	(400,306)	(366,472)
Investment in storage facilities, net	1,712,828	1,498,165
Cash and cash equivalents	7,476	9,524
Accounts receivable	5,663	5,119
Receivable from unconsolidated joint ventures	714	883
Investment in unconsolidated joint ventures	38,911	30,391
Prepaid expenses	7,302	5,978
Fair value of interest rate swap agreements	547	794
Other assets	7,843	11,021
Total Assets	1,781,284	1,561,875
Liabilities
Line of credit		49,000
Term notes	750,000	575,000
Accounts payable and accrued liabilities	43,807	37,741
Deferred revenue	7,269	6,708
Fair value of interest rate swap agreements	10,458	7,523
Mortgages payable	2,160	2,254
Total Liabilities	813,694	678,226
Noncontrolling redeemable Operating Partnership Units at redemption value	14,817	12,940
Shareholders' Equity
Common stock $.01 par value, 100,000,000 shares authorized, 33,708,457 shares issued and outstanding at September 30, 2014 (32,532,991 at December 31, 2013)	349	337
Additional paid-in capital	1,157,820	1,066,399
Dividends in excess of net income	(168,628)	(162,450)
Accumulated other comprehensive loss	(9,593)	(6,402)
Treasury stock at cost, 1,171,886 shares	(27,175)	(27,175)
Total Shareholders' Equity	952,773	870,709
Total Liabilities and Shareholders' Equity	$ 1,781,284	$ 1,561,875

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Discontinued Operations - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013 Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of non-strategic storage facilities sold by Company					4
Sales of non-strategic storage facilities					$ 11,700,000
Gain on sale of non-strategic storage facilities					2,400,000
Income from continuing operations attributable to common shareholders	25,589,000	19,431,000	62,838,000	51,245,000
Income from discontinued operations attributable to common shareholders	$ 0	$ 200,000	$ 0	$ 600,000
Florida [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of non-strategic storage facilities sold by Company					2
Ohio [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of non-strategic storage facilities sold by Company					1
Virginia [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of non-strategic storage facilities sold by Company					1

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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net income	$ 63,219	$ 52,223
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	37,780	34,118
Amortization of deferred financing fees	619	640
Gain on sale of real estate	(1,777)	(421)
Equity in income of joint ventures	(1,553)	(1,417)
Distributions from unconsolidated joint venture	2,280	1,898
Non-vested stock earned	3,540	2,067
Stock option expense	186	261
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable	(514)	(122)
Prepaid expenses	(1,186)	(481)
Receipts from joint ventures	252	74
Accounts payable and other liabilities	5,680	(3,531)
Deferred revenue	(894)	304
Net cash provided by operating activities	107,632	85,613
Investing Activities
Acquisitions of storage facilities	(229,709)	(50,193)
Improvements, equipment additions, and construction in progress	(20,257)	(18,979)
Net proceeds from the sale of real estate	5,063	4,367
Investment in unconsolidated joint ventures	(9,383)	(4,111)
Property deposit	(776)	99
Net cash used in investing activities	(255,062)	(68,817)
Financing Activities
Net proceeds from sale of common stock	87,707	91,103
Proceeds from line of credit	125,000	120,000
Repayments of line of credit	(174,000)	(176,000)
Proceeds from term notes	175,000	325,000
Repayments of term notes		(325,000)
Financing costs	(711)	(1,554)
Dividends paid-common stock	(67,113)	(46,326)
Distributions to noncontrolling interest holders	(406)	(297)
Redemption of operating partnership units		(306)
Mortgage principal payments	(95)	(1,009)
Net cash provided by (used in) financing activities	145,382	(14,389)
Net (decrease) increase in cash	(2,048)	2,407
Cash at beginning of period	9,524	7,255
Cash at end of period	7,476	9,662
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	$ 20,091	$ 24,876

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Investment in Joint Ventures - Summary of Unconsolidated Joint Ventures' Financial Statements (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Investment in storage facilities, net	$ 1,712,828		$ 1,712,828		$ 1,498,165
Other assets	7,843		7,843		11,021
Total Assets	1,781,284		1,781,284		1,561,875
Mortgages payable	2,160		2,160		2,254
Total Liabilities	813,694		813,694		678,226
Acquisition costs	(1,210)	(776)	(5,926)	(1,263)
Depreciation and amortization of customer list	(13,357)	(11,293)	(37,780)	(33,852)
Amortization of financing fees			(619)	(640)
Income tax expense	(400)	(300)	(1,000)	(1,000)
Interest expense	(9,116)	(7,923)	(25,331)	(24,827)
Sovran HHF Storage Holdings LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investment in storage facilities, net	189,678		189,678
Investment in office building	0		0
Other assets	17,478		17,478
Total Assets	207,156		207,156
Due to the Company	344		344
Mortgages payable	80,861		80,861
Other liabilities	3,447		3,447
Total Liabilities	84,652		84,652
Unaffiliated partners' equity (deficiency)	98,003		98,003
Company equity (deficiency)	24,501		24,501
Total Partners' Equity (Deficiency)	122,504		122,504
Total Liabilities and Partners' Equity (Deficiency)	207,156		207,156
Total revenues			18,218
Property operating expenses			(5,797)
Administrative, management and call center fees			(1,376)
Acquisition costs			(926)
Depreciation and amortization of customer list			(3,242)
Amortization of financing fees			(137)
Income tax expense			(78)
Interest expense			(3,209)
Net income			3,453
Sovran HHF Storage Holdings II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investment in storage facilities, net	185,656		185,656
Investment in office building	0		0
Other assets	4,687		4,687
Total Assets	190,343		190,343
Due to the Company	382		382
Mortgages payable	103,068		103,068
Other liabilities	2,358		2,358
Total Liabilities	105,808		105,808
Unaffiliated partners' equity (deficiency)	71,861		71,861
Company equity (deficiency)	12,674		12,674
Total Partners' Equity (Deficiency)	84,535		84,535
Total Liabilities and Partners' Equity (Deficiency)	190,343		190,343
Total revenues			21,310
Property operating expenses			(7,448)
Administrative, management and call center fees			(1,581)
Acquisition costs			0
Depreciation and amortization of customer list			(3,117)
Amortization of financing fees			(152)
Income tax expense			(301)
Interest expense			(3,866)
Net income			4,845
Iskalo Office Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investment in storage facilities, net	0		0
Investment in office building	4,829		4,829
Other assets	920		920
Total Assets	5,749		5,749
Due to the Company	0		0
Mortgages payable	6,487		6,487
Other liabilities	551		551
Total Liabilities	7,038		7,038
Unaffiliated partners' equity (deficiency)	(881)		(881)
Company equity (deficiency)	(408)		(408)
Total Partners' Equity (Deficiency)	(1,289)		(1,289)
Total Liabilities and Partners' Equity (Deficiency)	5,749		5,749
Total revenues			1,081
Property operating expenses			(400)
Administrative, management and call center fees			0
Acquisition costs			0
Depreciation and amortization of customer list			(172)
Amortization of financing fees			(8)
Income tax expense			0
Interest expense			(292)
Net income			$ 209

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Basis of Presentation - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2014 Facility
Accounting Policies [Abstract]
Number of sale of storage facilities reclassified as discontinued operation	4

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Recent Accounting Pronouncements - Summary of Revenues and Expenses of Property Up to the Date of Sale (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Real Estate Properties [Line Items]
Total revenues	$ 85,249	$ 70,455	$ 241,150	$ 201,442
Property operations and maintenance expense	17,913	15,568	51,431	45,288
Real estate tax expense	8,312	6,953	24,433	19,735
Depreciation and amortization expense	13,357	11,293	37,780	33,852
Gain on sale of real estate	1,777		1,777	421
Real Estate Property One [Member]
Real Estate Properties [Line Items]
Total revenues	80	180	465	526
Property operations and maintenance expense	23	50	111	161
Real estate tax expense	3	18	51	54
Depreciation and amortization expense	9	26	60	76
Gain on sale of real estate	$ 1,777		$ 1,777

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Subsequent Events

9 Months Ended

Sep. 30, 2014

Subsequent Events [Abstract]

Subsequent Events

16. SUBSEQUENT EVENTS

On October 2, 2014, the Company declared a quarterly dividend of $0.68 per common share. The dividend was paid on October 28, 2014 to shareholders of record on October 14, 2014. The total dividend paid amounted to $22.9 million.

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Organization - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended		12 Months Ended	9 Months Ended	1 Months Ended	6 Months Ended
	Sep. 30, 2014 Property States	Sep. 30, 2014 Property States	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Texas and Florida [Member] Revenue [Member]	Feb. 28, 2013 West Deptford JV LLC [Member]	Jun. 30, 2011 West Deptford JV LLC [Member]	Sep. 30, 2014 Sovran HHF Storage Holdings LLC [Member] Property	Sep. 30, 2014 Sovran HHF Storage Holdings II LLC [Member] Property
Organization [Line Items]
Number of self-storage properties owned and managed	503	503
Number of states in which self-storage properties owned and managed	25	25
Number of properties owned and managed under twenty-percent stake joint venture								28
Percentage ownership in unconsolidated joint venture								20.00%	15.00%
Number of properties managed with no ownership	17	17
Number of properties owned and managed under fifteen-percent stake joint venture									30
Concentration risk, percentage					39.00%
Number of properties leased	4	4
Percentage of ownership interest of the subsidiary and its limited partnership which controls the operations of the Operating Partnership	99.40%	99.40%
Percentage ownership in consolidated joint venture							20.00%
Payments to acquire businesses and interest in affiliates							$ 4,200,000
Mortgage note acquired							2,800,000
Interest rate for mortgage notes acquired							8.00%
Payments to acquire preferred interest in affiliates							1,400,000
Preferred interest in investment							8.00%
Membership Interest Purchase Agreement, common and preferred interests						1,400,000
Joint venture partner repaid						2,800,000
Gain on sale of real estate	$ 1,777,000	$ 1,777,000	$ 421,000			$ 400,000
Units of redeemable noncontrolling interest in operating partnership		198,913		198,913
Noncontrolling limited partnership unit redemption value		One common share or cash

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Organization (Tables)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Redeemable Noncontrolling Interest

Redemption value exceeded the value determined under the Company’s historical basis of accounting at those dates.

(dollars in thousands)	Nine Months Ended Sep. 30, 2014
Beginning balance noncontrolling redeemable Operating Partnership Units	$	12,940
Net income attributable to noncontrolling interests – consolidated joint venture		381
Distributions		(406	)
Adjustment to redemption value		1,902
Ending balance noncontrolling redeemable Operating Partnership Units	$	14,817

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Basis of Presentation

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Basis of Presentation

1. BASIS OF PRESENTATION

The accompanying unaudited financial statements of Sovran Self Storage, Inc. 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, 2014 are not necessarily indicative of the results that may be expected for the year ending December 31, 2014.

Reclassification: Certain amounts from the 2013 financial statements have been reclassified as discontinued operations as a result of the sale of four storage facilities in 2013 (see Note 5).

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Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	33,708,457	32,532,991
Common stock, shares outstanding	33,708,457	32,532,991
Treasury stock at cost, shares	1,171,886	1,171,886

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Income Taxes

9 Months Ended

Sep. 30, 2014

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 one of its subsidiaries as a taxable REIT subsidiary. In general, the Company’s taxable REIT subsidiary 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.

For the three months ended September 30, 2014 and 2013, the Company recorded federal and state income tax expense of $0.4 million and $0.3 million, respectively. For the nine months ended September 30, 2014 and 2013, the Company recorded federal and state income tax expense of $1.0 million and $1.0 million, respectively. At September 30, 2014 and 2013, 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, 2014 and 2013, the Company had no interest or penalties related to uncertain tax positions. Net income taxes payable and the deferred tax liability of our taxable REIT subsidiary are classified within accounts payable and accrued liabilities in the consolidated balance sheet. As of September 30, 2014, the Company’s taxable REIT subsidiary has a current tax liability of $0.3 million and a deferred tax liability of $0.8 million. The tax years 2011-2013 remain open to examination by the major taxing jurisdictions to which the Company is subject.

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Document and Entity Information	9 Months Ended
	Sep. 30, 2014	Oct. 30, 2014
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3
Trading Symbol	SSS
Entity Registrant Name	SOVRAN SELF STORAGE INC
Entity Central Index Key	0000944314
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		33,757,474

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Earnings Per Share

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Earnings Per Share

12. EARNINGS PER SHARE

The Company reports earnings per share data in accordance ASC Topic 260, “Earnings Per Share.” Effective January 1, 2009, FASB ASC Topic 260 was updated for the issuance of FASB Staff Position (“FSP”) EITF 03-6-1, “Determining Whether Instruments Granted in Share-Based Payment Transactions Are Participating Securities”, or FSP EITF 03-6-1, with transition guidance included in FASB ASC Topic 260-10-65-2. Under FSP EITF 03-6-1, 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 Company has calculated its basic and diluted earnings per share using the two-class method. 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 Sep. 30, 2014		Three Months Ended Sep. 30, 2013		Nine Months Ended Sep. 30, 2014		Nine Months Ended Sep. 30, 2013
Numerator:
Net income from continuing operations attributable to common shareholders	$	25,589	$	19,431	$	62,838	$	51,245
Denominator:
Denominator for basic earnings per share – weighted average shares		33,235		31,469		32,806		31,078
Effect of Dilutive Securities:
Stock options and non-vested stock		164		157		166		157
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversion		33,399		31,626		32,972		31,235
Basic earnings per common share from continuing operations attributable to common shareholders	$	0.77	$	0.62	$	1.92	$	1.65
Basic earnings per common share attributable to common shareholders	$	0.77	$	0.63	$	1.92	$	1.67
Diluted earnings per common share from continuing operations attributable to common shareholders	$	0.77	$	0.61	$	1.91	$	1.64
Diluted earnings per common share attributable to common shareholders	$	0.77	$	0.62	$	1.91	$	1.66

Not included in the effect of dilutive securities above are 6,000 stock options and 125,775 unvested restricted shares for the three months ended September 30, 2014, and 121,916 unvested restricted shares for the three months ended September 30, 2013, because their effect would be antidilutive. Not included in the effect of dilutive securities above are 6,667 stock options and 145,690 unvested restricted shares for the nine months ended September 30, 2014, and 2,667 stock options and 88,901 unvested restricted shares for the nine months ended September 30, 2013, because their effect would be antidilutive.

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Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues
Rental income	$ 79,092	$ 65,309	$ 223,438	$ 186,997
Other operating income	6,157	5,146	17,712	14,445
Total operating revenues	85,249	70,455	241,150	201,442
Expenses
Property operations and maintenance	17,913	15,568	51,431	45,288
Real estate taxes	8,312	6,953	24,433	19,735
General and administrative	10,041	8,965	30,400	26,745
Acquisition costs	1,210	776	5,926	1,263
Operating leases of storage facilities	1,997		5,991
Depreciation and amortization	13,357	11,293	37,780	33,852
Total operating expenses	52,830	43,555	155,961	126,883
Income from operations	32,419	26,900	85,189	74,559
Other income (expenses)
Interest expense	(9,116)	(7,923)	(25,331)	(24,827)
Interest income	1	1	31	2
Gain on sale of real estate	1,777		1,777	421
Equity in income of joint ventures	662	575	1,553	1,417
Income from continuing operations	25,743	19,553	63,219	51,572
Income from discontinued operations		246		651
Net income	25,743	19,799	63,219	52,223
Net income attributable to noncontrolling interest	(154)	(124)	(381)	(331)
Net income attributable to common shareholders	$ 25,589	$ 19,675	$ 62,838	$ 51,892
Earnings per common share attributable to common shareholders - basic
Continuing operations	$ 0.77	$ 0.62	$ 1.92	$ 1.65
Discontinued operations		$ 0.01		$ 0.02
Earnings per share-basic	$ 0.77	$ 0.63	$ 1.92	$ 1.67
Earnings per common share attributable to common shareholders - diluted
Continuing operations	$ 0.77	$ 0.61	$ 1.91	$ 1.64
Discontinued operations		$ 0.01		$ 0.02
Earnings per share-diluted	$ 0.77	$ 0.62	$ 1.91	$ 1.66
Common shares used in basic earnings per share calculation	33,234,660	31,469,026	32,806,164	31,077,910
Common shares used in diluted earnings per share calculation	33,398,648	31,625,635	32,972,262	31,235,049
Dividends declared per common share	$ 0.68	$ 0.53	$ 2.04	$ 1.49

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Unsecured Line of Credit and Term Notes

9 Months Ended

Sep. 30, 2014

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)	Sep. 30, 2014		Dec. 31, 2013
Revolving line of credit borrowings	$	—	$	49,000
Term note due April 13, 2016		150,000		150,000
Term note due June 4, 2020		225,000		225,000
Term note due June 4, 2020		100,000		100,000
Term note due August 5, 2021		100,000		100,000
Term note due April 8, 2024		175,000		—
Total term notes payable	$	750,000	$	575,000

On April 8, 2014, the Company entered into a $175 million term note maturing April 2024 bearing interest at a fixed rate of 4.533%. The interest rate on the term note increases to 6.283% if the Company is not rated by at least one rating agency or if the Company’s credit rating is downgraded. The proceeds from this term note were used to repay the $115 million outstanding on the Company’s line of credit at April 8, 2014, with the excess proceeds used for acquisitions.

On June 4, 2013, the Company entered into an amendment to its unsecured credit arrangements. As part of the amended agreement, the Company entered into a $225 million unsecured term note maturing June 4, 2020 bearing interest at LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014 the margin is 1.65%). The agreement also provides for a $175 million (expandable to $250 million) revolving line of credit bearing interest at a variable rate equal to LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014 the margin is 1.50%), and requires a 0.20% facility fee. The interest rate at September 30, 2014 on the Company’s available line of credit was approximately 1.65% (1.67% at December 31, 2013). At September 30, 2014, there was $174.3 million available on the unsecured line of credit net of outstanding letters of credit of $0.7 million and without considering the additional availability under the expansion feature. The revolving line of credit has a maturity date of June 4, 2018, but can be extended for two one-year periods at the Company’s option with the payment of an extension fee equal to 0.125% of the total line of credit commitment.

In addition, on June 4, 2013, as part of the amendment to its unsecured credit arrangement, the Company secured an additional $100 million term note with a delayed draw feature that was used to fund the Company’s term notes that matured in September 2013. The delayed draw term note matures June 4, 2020 and bears interest at LIBOR plus a margin based on the Company’s credit rating (at September 30, 2014 the margin is 1.65%).

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. The proceeds from this term note were used to fund acquisitions and investments in unconsolidated joint ventures.

The Company also maintains a $150 million unsecured term note maturing April 13, 2016 bearing interest at 6.38%. The interest rate on the $150 million unsecured term note increases to 8.13% if the notes are not rated by at least one rating agency, the credit rating on the notes is downgraded or the Company’s credit rating is downgraded.

The line of credit and term notes require the Company to meet certain financial covenants, measured on a quarterly basis, including prescribed leverage, fixed charge coverage, minimum net worth, limitations on additional indebtedness and limitations on dividend payouts. At September 30, 2014, the Company was in compliance with its debt 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, 2014 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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Discontinued Operations

9 Months Ended

Sep. 30, 2014

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations

5. DISCONTINUED OPERATIONS

In the 4^th quarter of 2013, the Company sold four non-strategic storage facilities in Florida (2), Ohio (1), and Virginia (1) for net proceeds of approximately $11.7 million resulting in a gain of approximately $2.4 million. The operations of these facilities are reported as discontinued operations. Cash flows of discontinued operations have not been segregated from the cash flows of continuing operations on the accompanying consolidated statement of cash flows for the nine months ended September 30, 2013. Through September 30, 2014 the Company has not reported any dispositions of facilities as discontinued operations. The following is a summary of the amounts reported as discontinued operations in 2013:

(dollars in thousands)	Jul. 1, 2013 to Sep. 30, 2013			Jan. 1, 2013 to Sep. 30, 2013
Total revenue	$	528		$	1,490
Property operations and maintenance expense		(152	)		(450	)
Real estate taxes		(41	)		(123	)
Depreciation and amortization expense		(89	)		(266	)
Net realized gain on sale of property		—			—
Total income from discontinued operations	$	246		$	651

Income from continuing operations attributable to common shareholders was $25.6 million and $19.4 million for the three months ended September 30, 2014, and 2013, respectively. Income from continuing operations attributable to common shareholders was $62.8 million and $51.2 million for the nine months ended September 30, 2014, and 2013, respectively. Income from discontinued operations attributable to common shareholders was $0 and $0.2 million for the three months ended September 30, 2014, and 2013, respectively. Income from discontinued operations attributable to common shareholders was $0 and $0.6 million for the nine months ended September 30, 2014, and 2013, respectively.

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Basis of Presentation (Policies)

9 Months Ended

Sep. 30, 2014

Accounting Changes and Error Corrections [Abstract]

Reclassification

Reclassification: Certain amounts from the 2013 financial statements have been reclassified as discontinued operations as a result of the sale of four storage facilities in 2013 (see Note 5).

Fair Value Measurements and Disclosures

The assets and liabilities of the acquired storage facilities, which primarily consist of tangible and intangible assets, are measured at fair value on the date of acquisition in accordance with the principles of FASB ASC Topic 820, “Fair Value Measurements and Disclosures.”

Income Taxes

In July 2013, the FASB issued ASU 2013-11, “Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists.” This ASU provides explicit guidance regarding the presentation in the statement of financial position of an unrecognized tax benefit when net operating losses or tax credit carryforwards exist. It is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013, with early adoption permitted, and is applicable to the Company’s fiscal year beginning January 1, 2014. The adoption of this guidance did not have a material impact on the Company’s consolidated financial statements.

Discontinued Operations and Disclosures of Components of Entity

In April 2014, the FASB issued ASU 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant and Equipment (Topic 360): Reporting Discontinued Operations and disclosures of Components of an Entity”. Under this ASU, only disposals representing a strategic shift in operations should be presented as discontinued operations. Those strategic shifts should have a major effect on the organization’s operations and financial results. The ASU also requires new disclosures of both discontinued operations and certain other disposals that do not meet the definition of a discontinued operation. It is effective for fiscal years, and interim periods within those years, beginning after December 15, 2014, with early adoption permitted. We have adopted this guidance effective January 1, 2014 and the adoption is expected to significantly reduce the classification of property sales by the Company as discontinued operations.

Revenue from Contracts with Customers

In May 2014, FASB issued ASU 2014-09, “Revenue from Contracts with Customers,” which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605),” and requires an entity to recognize revenue in a way that depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to in exchange for those goods or services. ASU 2014-09 is effective for fiscal years, and interim periods within those years, beginning after December 15, 2016. The Company has the option to apply the provisions of ASU 2014-09 either retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying the new guidance recognized at the date of initial application. The Company is currently evaluating the new standard to determine the impact it may have on the consolidated financial statements.

Accounting for Share-Based Payments

In June 2014, the FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period,” which requires a reporting entity to treat a performance target that affects vesting and that could be achieved after the requisite service period as a performance condition. ASU 2014-12 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2015. Early adoption is permitted. ASU 2014-12 may be adopted either prospectively for share-based payment awards granted or modified on or after the effective date, or retrospectively, using a modified retrospective approach. The modified retrospective approach would apply to share-based payment awards outstanding as of the beginning of the earliest annual period presented in the financial statements on adoption, and to all new or modified awards thereafter. The Company is currently evaluating the new standard to determine the impact it may have on the consolidated financial statements.

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Shareholders' Equity

9 Months Ended

Sep. 30, 2014

Equity [Abstract]

Shareholders' Equity

13. SHAREHOLDERS’ EQUITY

The following is a reconciliation of the changes in total shareholders’ equity for the period:

(dollars in thousands)	Nine Months Ended September 30, 2014
Beginning balance of total shareholders’ equity	$	870,709
Net proceeds from the issuance of common stock		87,179
Exercise of stock options		527
Earned portion of non-vested stock		3,451
Stock option expense		186
Deferred compensation outside directors		89
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units		(1,902	)
Net income attributable to common shareholders		62,838
Change in fair value of derivatives		(3,191	)
Dividends		(67,113	)
Ending balance of total shareholders’ equity	$	952,773

On May 12, 2014, the Company entered into a continuous equity offering program (“Equity Program”) with Wells Fargo Securities, LLC (“Wells Fargo”), Jefferies LLC (“Jefferies”), SunTrust Robinson Humphrey, Inc. (“SunTrust”), Piper Jaffray & Co. (“Piper”), HSBC Securities (USA) Inc. (“HSBC”), and BB&T Capital Markets, a division of BB&T Securities, LLC (“BB&T”), pursuant to which the Company may sell from time to time up to $225 million in aggregate offering price of shares of the Company’s common stock. Actual sales under the Equity 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 continue to offer, sell, and issue shares of common stock under the Equity Program from time to time based on various factors and conditions, although the Company is under no obligation to sell any shares under the Equity Program.

During the three months ended September 30, 2014, the Company issued 424,403 shares of common stock under the Equity Program at a weighted average issue price of $78.46 per share, generating net proceeds of $32.9 million after deducting $0.4 million of sales commissions paid to HSBC. During the nine months ended September 30, 2014, the Company issued 674,403 shares of common stock under the Equity Program at a weighted average issue price of $77.95 per share, generating net proceeds of $51.9 million after deducting $0.7 million of sales commissions paid to Piper and HSBC. As of September 30, 2014, the Company had $172.4 million available for issuance under the Equity Program.

During the three months ended March 31, 2014, the Company issued 359,102 shares of common stock under a previous equity program at a weighted average issue price of $74.32 per share, generating net proceeds of $26.4 million after deducting $0.3 million of sales commissions payable to SunTrust.

In addition to sales commissions, the Company incurred expenses of $0.2 million in connection with these equity programs during 2014. The Company used the proceeds from the equity programs to fund a portion of the acquisition of 28 storage facilities.

In 2013, the Company implemented a Dividend Reinvestment Plan. The Company issued 129,837 shares under the plan in 2014.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2014

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.

The following table provides the assets and liabilities carried at fair value measured on a recurring basis as of September 30, 2014 and December 31, 2013 (in thousands):

	Asset (Liability)			Level 1		Level 2			Level 3
September 30, 2014
Interest rate swaps		547			—		547			—
Interest rate swaps		(10,458	)		—		(10,458	)		—
December 31, 2013
Interest rate swaps		794			—		794			—
Interest rate swaps		(7,523	)		—		(7,523	)		—

Interest rate swaps are over the counter securities with no quoted readily available Level 1 inputs, and therefore are measured at fair value using inputs that are directly observable in active markets and are classified within Level 2 of the valuation hierarchy, using the income approach.

During the nine months ended September 30, 2014, assets and liabilities measured at fair value on a non-recurring basis included the assets acquired and liabilities assumed in connection with the acquisition of 28 storage facilities (see note 4). To determine the fair value of land, the Company used prices per acre derived from observed transactions involving comparable land in similar locations, which is considered a Level 2 input. To determine the fair value of buildings, equipment and improvements, the Company used current replacement cost based on information derived from construction industry data by geographic region which is considered a Level 2 input. This replacement cost is then adjusted for the age, condition, and economic obsolescence associated with these assets, which are considered Level 3 inputs. The fair value of in-place customer leases is based on the rent lost due to the amount of time required to replace existing customers which is based on the Company’s historical experience with turnover in its facilities, which is a Level 3 input. Other assets acquired and liabilities assumed in the acquisitions consist primarily of prepaid or accrued real estate taxes and deferred revenues from advance monthly rentals paid by customers. The fair values of these assets and liabilities are based on their carrying values as they typically turn over within one year from the acquisition date and these are Level 3 inputs.

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Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Federal and state income tax expense	$ 400,000	$ 300,000	$ 1,000,000	$ 1,000,000
Unrecognized tax benefits	0	0	0	0
Interest or penalties related to uncertain tax positions			0	0
Current taxes payable	300,000		300,000
Deferred tax liability	$ 800,000		$ 800,000
Tax years open to examination			2011-2013

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Mortgages Payable and Debt Maturities

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Mortgages Payable and Debt Maturities

7. MORTGAGES PAYABLE AND DEBT MATURITIES

Mortgages payable at September 30, 2014 and December 31, 2013 consist of the following:

(dollars in thousands)	September 30, 2014		December 31, 2013
5.99% mortgage notes due May 1, 2026, secured by one self-storage facility with an aggregate net book value of $4.4 million, principal and interest paid monthly (effective interest rate 6.21%)		2,160		2,254
Total mortgages payable	$	2,160	$	2,254

The table below summarizes the Company’s debt obligations and interest rate derivatives at September 30, 2014. 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 these 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)	2014		2015		2016		2017		2018		Thereafter		Total		Fair Value
Line of credit - variable rate LIBOR + 1.50% (1.65% at September 30, 2014)		—		—		—		—		—		—		—		—
Notes Payable:
Term note - fixed rate 6.38%		—		—	$	150,000		—		—		—	$	150,000	$	163,809
Term note - variable rate LIBOR+1.65% (1.81% at September 30, 2014)		—		—		—		—		—	$	225,000	$	225,000	$	225,000
Term note - variable rate LIBOR+1.65% (1.80% at September 30, 2014)		—		—		—		—		—	$	100,000	$	100,000	$	100,000
Term note - fixed rate 5.54%		—		—		—		—		—	$	100,000	$	100,000	$	109,513
Term note - fixed rate 4.533%		—		—		—		—		—	$	175,000	$	175,000	$	175,881
Mortgage notes - fixed rate 5.99%	$	33	$	134	$	142	$	151	$	160	$	1,540	$	2,160	$	2,273
Interest rate derivatives – asset		—		—		—		—		—		—		—	$	(547	)
Interest rate derivatives – liability		—		—		—		—		—		—		—	$	10,458

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Derivative Financial Instruments

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

8. DERIVATIVE FINANCIAL INSTRUMENTS

Interest rate swaps are used to adjust the proportion of total debt that is subject to variable interest rates. The interest rate swaps require the Company to pay an amount equal to a specific fixed rate of interest times a notional principal amount and to receive in return an amount equal to a variable rate of interest times the same notional amount. The notional amounts are not exchanged. No other cash payments are made unless the contract is terminated prior to its maturity, in which case the contract would likely be settled for an amount equal to its fair value. The Company enters into interest rate swaps with a number of major financial institutions to minimize counterparty credit risk.

The interest rate swaps qualify and are designated as hedges of the amount of future cash flows related to interest payments on variable rate debt. Therefore, the interest rate swaps are recorded in the consolidated balance sheet at fair value and the related gains or losses are deferred in shareholders’ equity as Accumulated Other Comprehensive Loss (“AOCL”). These deferred gains and losses are recognized in interest expense during the period or periods in which the related interest payments affect earnings. However, to the extent that the interest rate swaps are not perfectly effective in offsetting the change in value of the interest payments being hedged, the ineffective portion of these contracts is recognized in earnings immediately. Ineffectiveness was deminimus for the three and nine months ended September 30, 2014, and 2013.

The Company has interest rate swap agreements in effect at September 30, 2014 as detailed below to effectively convert a total of $325 million of variable-rate debt to fixed-rate debt.

Notional Amount	Effective Date		Expiration Date		Fixed Rate Paid			Floating Rate Received
$125 Million		9/1/2011		8/1/18		2.3700	%		1 month LIBOR
$100 Million		12/30/11		12/29/17		1.6125	%		1 month LIBOR
$100 Million		9/4/13		9/4/18		1.3710	%		1 month LIBOR
$100 Million		12/29/17		11/29/19		3.9680	%		1 month LIBOR
$125 Million		8/1/18		6/1/20		4.1930	%		1 month LIBOR

The interest rate swap agreements are the only derivative instruments, as defined by FASB ASC Topic 815 “Derivatives and Hedging”, held by the Company. During the three months ended September 30, 2014 and 2013, the net reclassification from AOCL to interest expense was $1.4 million and $1.5 million, respectively, based on payments made under the swap agreements. During the nine months ended September 30, 2014 and 2013, the net reclassification from AOCL to interest expense was $4.1 million and $4.0 million, respectively, based on payments made under the swap agreements. Based on current interest rates, the Company estimates that payments under the interest rate swaps will be approximately $5.5 million for the 12 months ended September 30, 2015. Payments made under the interest rate swap agreements will be reclassified to interest expense as settlements occur. The fair value of the swap agreements, including accrued interest, was an asset of $0.5 million and a liability of $10.5 million at September 30, 2014, and an asset of $0.8 million and a liability of $7.5 million at December 31, 2013.

The Company’s agreements with its interest rate swap counterparties contain provisions pursuant to which the Company could be declared in default of its derivative obligations if the Company defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender. The interest rate swap agreements also incorporate other loan covenants of the Company. Failure to comply with the loan covenant provisions would result in the Company being in default on the interest rate swap agreements. As of September 30, 2014, the Company had not posted any collateral related to the interest rate swap agreements. If the Company had breached any of these provisions as of September 30, 2014, it could have been required to settle its obligations under the agreements at their net termination value of $9.9 million.

The changes in AOCL for the three and nine months ended September 30, 2014 and September 30, 2013 are summarized as follows:

(dollars in thousands)	Jul. 1, 2014 to Sep. 30, 2014			Jul. 1, 2013 to Sep. 30, 2013			Jan. 1, 2014 to Sep. 30, 2014			Jan. 1, 2013 to Sep. 30, 2013
Accumulated other comprehensive loss beginning of period	$	(12,057	)	$	(6,481	)	$	(6,402	)	$	(15,242	)
Realized loss reclassified from accumulated other comprehensive loss to interest expense		1,392			1,474			4,134			3,979
Unrealized (loss) gain from changes in the fair value of the effective portion of the interest rate swaps		1,072			(5,046	)		(7,325	)		1,210
(Loss) gain included in other comprehensive loss		2,464			(3,572	)		(3,191	)		5,189
Accumulated other comprehensive loss end of period	$	(9,593	)	$	(10,053	)	$	(9,593	)	$	(10,053	)

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Investment in Joint Ventures

9 Months Ended

Sep. 30, 2014

Equity Method Investments and Joint Ventures [Abstract]

Investment in Joint Ventures

10. INVESTMENT IN JOINT VENTURES

The Company has a 20% ownership interest in Sovran HHF Storage Holdings LLC (“Sovran HHF”), a joint venture that was formed in May 2008 to acquire self-storage properties that are managed by the Company. The carrying value of the Company’s investment at September 30, 2014 and December 31, 2013 was $26.2 million and $17.4 million, respectively. Twenty-five properties were acquired by Sovran HHF in 2008 for approximately $171.5 million and three additional properties were acquired by Sovran HHF in June 2014 for $34.4 million. In 2008, the Company contributed $18.6 million in cash to the joint venture as its share of capital required to fund acquisitions. In 2012 the Company contributed an additional $1.2 million in cash to the joint venture. In 2013 the Company received a return of capital distribution of $3.4 million as part of the refinancing of Sovran HHF. In 2014, the Company contributed $9.3 million in cash to the joint venture as its share of capital required to fund acquisitions and deposits on future acquisitions.

As of September 30, 2014, 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, which is assessed for other-than-temporary impairment on a periodic basis. No other-than-temporary impairments have been recorded on this investment.

The Company has a 15% ownership interest in Sovran HHF Storage Holdings II LLC (“Sovran HHF II”), a joint venture that was formed in 2011 to acquire self-storage properties that are managed by the Company. The carrying value of the Company’s investment at September 30, 2014 and December 31, 2013 was $12.7 million and $12.8 million, respectively. Twenty properties were acquired by Sovran HHF II during 2011 for approximately $166.1 million. During 2011, the Company contributed $12.8 million to the joint venture as its share of capital required to fund the acquisitions. Ten additional properties were acquired by Sovran HHF II during 2012 for approximately $29 million. During 2012, the Company contributed $2.4 million to the joint venture as its share of capital required to fund the acquisitions. The carrying value of this investment is assessed for other-than-temporary impairment on a periodic basis and no such impairments have been recorded on this investment.

As manager of Sovran HHF and Sovran HHF II, the Company earns a management and call center fee of 7% of gross revenues which totaled $1.0 million and $0.9 million for the three months ended September 30, 2014 and 2013, respectively. The management and call center fees earned by the Company for the nine months ended September 30, 2014 and 2013 totaled $2.8 million and $2.5 million, respectively.

The Company’s share of Sovran HHF and Sovran HHF II’s income for the three months ended September 30, 2014 and 2013 was $624,000 and $552,000 respectively. The Company’s share of Sovran HHF and Sovran HHF II’s income for the nine months ended September 30, 2014 and 2013 was $1,417,000 and $1,373,000, respectively.

The Company also has a 49% ownership interest in Iskalo Office Holdings, LLC, which owns the building that houses the Company’s headquarters and other tenants. The carrying value of the Company’s investment is a liability of $0.4 million at September 30, 2014 and $0.5 million at December 31, 2013, and is included in accounts payable and accrued liabilities in the accompanying consolidated balance sheets. The Company’s share of Iskalo Office Holdings, LLC’s income for the three months ended September 30, 2014 and 2013 was $38,000 and $23,000, respectively. The Company’s share of Iskalo Office Holdings, LLC’s income for the nine months ended September 30, 2014 and 2013 was $102,000 and $44,000, respectively. The Company paid rent to Iskalo Office Holdings, LLC of $261,000 and $231,000 during the three months ended September 30, 2014 and 2013, respectively. The Company paid rent to Iskalo Office Holdings, LLC of $764,000 and $576,000 during the nine months ended September 30, 2014 and 2013, respectively.

A summary of the unconsolidated joint ventures’ financial statements as of and for the nine months ended September 30, 2014 is as follows:

(dollars in thousands)	Sovran HHF Storage Holdings LLC			Sovran HHF Storage Holdings II LLC			Iskalo Office Holdings, LLC
Balance Sheet Data:
Investment in storage facilities, net	$	189,678		$	185,656		$	—
Investment in office building		—			—			4,829
Other assets		17,478			4,687			920
Total Assets	$	207,156		$	190,343		$	5,749
Due to the Company	$	344		$	382		$	—
Mortgages payable		80,861			103,068			6,487
Other liabilities		3,447			2,358			551
Total Liabilities		84,652			105,808			7,038
Unaffiliated partners’ equity (deficiency)		98,003			71,861			(881	)
Company equity (deficiency)		24,501			12,674			(408	)
Total Partners’ Equity (Deficiency)		122,504			84,535			(1,289	)
Total Liabilities and Partners’ Equity (Deficiency)	$	207,156		$	190,343		$	5,749
Income Statement Data:
Total revenues	$	18,218		$	21,310		$	1,081
Property operating expenses		(5,797	)		(7,448	)		(400	)
Administrative, management and call center fees		(1,376	)		(1,581	)		—
Acquisition costs		(926	)		—			—
Depreciation and amortization of customer list		(3,242	)		(3,117	)		(172	)
Amortization of financing fees		(137	)		(152	)		(8	)
Income tax expense		(78	)		(301	)		—
Interest expense		(3,209	)		(3,866	)		(292	)
Net income	$	3,453		$	4,845		$	209

The Company does not guarantee the debt of Sovran HHF, Sovran HHF II, or Iskalo Office Holdings, LLC.

We do not expect to have material future cash outlays relating to these joint ventures outside our share of capital for future acquisitions of properties.

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Shareholders' Equity - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014 Facility	Mar. 31, 2014	Sep. 30, 2014 Facility	May 12, 2014
Stockholders Equity [Line Items]
Common stock value authorized under equity offering program				$ 225
Common stock shares issued under equity offering program	424,403	359,102	674,403
Weighted average issue price of common stock	$ 78.46	$ 74.32	$ 77.95
Proceeds from issuance of common stock	32.9	26.4	51.9
Expenses related to equity program			0.2
Acquired storage facilities	5		28
Common stock, value reserved for future issuance	172.4		172.4
Shares issued under dividend reinvestment plan			129,837
HSBC [Member]
Stockholders Equity [Line Items]
Offering related costs and commissions	0.4
Piper and HSBC [Member]
Stockholders Equity [Line Items]
Offering related costs and commissions			0.7
SunTrust [Member]
Stockholders Equity [Line Items]
Offering related costs and commissions		$ 0.3

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Commitment and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified			9 Months Ended	12 Months Ended
	Sep. 30, 2014 Facility	Oct. 31, 2014 Subsequent Event [Member] Facility	Sep. 30, 2014 Sovran HHF Storage Holdings LLC [Member] Facility	Dec. 31, 2012 Sovran HHF Storage Holdings LLC [Member]	Dec. 31, 2008 Sovran HHF Storage Holdings LLC [Member]
Commitment And Contingencies [Line Items]
Number of self-storage facilities under contract to be purchased	5	3	11
Payment for self-storage facilities under contract	$ 56.6	$ 41.1	$ 153.0
Percentage ownership interest by parent			20.00%
Cash contribution for purchase of facilities			21.0
Cash contribution to subsidiaries			9.3	1.2	18.6
Contracted sales price for selling self storage facilities under contract	$ 6.3

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Shareholders' Equity - Reconciliation of Changes in Total Shareholders' Equity (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Equity [Abstract]
Beginning balance			$ 870,709
Net proceeds from the issuance of common stock			87,179
Exercise of stock options			527
Earned portion of non-vested stock	1,129	795	3,451	1,977
Stock option expense	37	43	186	261
Deferred compensation outside directors			89
Adjustment to redemption value on noncontrolling redeemable Operating Partnership units			(1,902)
Net income attributable to common shareholders	25,589	19,675	62,838	51,892
Change in fair value of derivatives	2,464	(3,572)	(3,191)	5,189
Dividends			(67,113)
Ending balance	$ 952,773		$ 952,773

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Recent Accounting Pronouncements (Tables)

9 Months Ended

Sep. 30, 2014

Accounting Changes and Error Corrections [Abstract]

Summary of Revenues and Expenses of Property Up to the Date of Sale

The following table summarizes the revenues and expenses up to the date of sale of the one property sold in 2014 that are included in the Company’s consolidated statements of operations for the three and nine months ended September 30, 2014 and 2013.

	Three months ended September 30,				Nine months ended September 30,
(dollars in thousands)	2014		2013		2014		2013
Total revenues	$	80	$	180	$	465	$	526
Property operations and maintenance expense		23		50		111		161
Real estate tax expense		3		18		51		54
Depreciation and amortization expense		9		26		60		76
Gain on sale of real estate		1,777		—		1,777		—

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Mortgages Payable and Debt Maturities - Summary of Debt Obligation and Interest Rate Derivatives (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Proforma Debt Instrument [Line Items]
Line of credit		$ 49,000
Term notes	750,000	575,000
Mortgage note, total	2,160	2,254
Interest rate derivatives - asset	(547)	(794)
Interest rate derivatives - liability	10,458	7,523
Line of credit - variable rate LIBOR + 1.50% (1.65% at September 30, 2014) [Member]
Proforma Debt Instrument [Line Items]
Line of credit
Term Note-Fixed Rate 6.38% [Member]
Proforma Debt Instrument [Line Items]
Payables due 2016	150,000
Term notes	150,000
Term note, fair value	163,809
Term note - variable rate LIBOR+1.65% (1.81% at September 30, 2014) [Member]
Proforma Debt Instrument [Line Items]
Payables due Thereafter	225,000
Term notes	225,000
Term note, fair value	225,000
Term note - variable rate LIBOR+1.65% (1.80% at September 30, 2014) [Member]
Proforma Debt Instrument [Line Items]
Payables due Thereafter	100,000
Term notes	100,000
Term note, fair value	100,000
Term Note-Fixed Rate 5.54% [Member]
Proforma Debt Instrument [Line Items]
Payables due Thereafter	100,000
Term notes	100,000
Term note, fair value	109,513
Term note - fixed rate 4.533% [Member]
Proforma Debt Instrument [Line Items]
Payables due Thereafter	175,000
Term notes	175,000
Term note, fair value	175,881
Mortgage Note-Fixed Rate 5.99% [Member]
Proforma Debt Instrument [Line Items]
Payable due 2014	33
Payable due 2015	134
Payables due 2016	142
Payables due 2017	151
Payable due 2018	160
Payables due Thereafter	1,540
Mortgage note, total	2,160
Debt instrument, fair value	$ 2,273

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Commitment and Contingencies

9 Months Ended

Sep. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitment and Contingencies

15. COMMITMENT AND CONTINGENCIES

At September 30, 2014, the Company was under contract to acquire five self-storage facilities for cash consideration of approximately $56.6 million. Three of these facilities were acquired in October 2014 for $41.1 million and were funded with draws on the Company’s line of credit. At September 30, 2014, Sovran HHF, a joint venture in which the Company has a 20% ownership interest, was under contract to acquire 11 self-storage facilities for cash consideration of approximately $153.0 million. The Company’s cash contribution to Sovran HHF for the purchase of the 11 facilities would be approximately $21.0 million. The purchase of these facilities by the Company or Sovran HHF is subject to customary conditions to closing, and there is no assurance that these facilities will be acquired.

The Company was also under contract as of September 30, 2014 to sell one self storage facility for cash consideration of approximately $6.3 million. The sale of this facility by the Company is subject to customary conditions to closing, and there is no assurance that this facility will be sold.

On or about August 25, 2014, a putative class action was filed against the Company in the Superior Court of New Jersey Law Division Burlington County. The action seeks to obtain declaratory, injunctive and monetary relief for a class of consumers based upon alleged violations by the Company of the New Jersey Truth in Customer Contract, Warranty and Notice Act, the New Jersey Consumer Fraud Act and the New Jersey Insurance Producer Licensing Act. On October 17, 2014, the action was removed from the Superior Court of New Jersey Law Division Burlington County to the United States District Court for the District of New Jersey. The Company intends to vigorously defend the action, and the possibility of any adverse outcome cannot be determined at this time.

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Discontinued Operations (Tables)

9 Months Ended

Sep. 30, 2014

Discontinued Operations and Disposal Groups [Abstract]

Summary of Amount Reported as Discontinued Operations

The following is a summary of the amounts reported as discontinued operations in 2013:

(dollars in thousands)	Jul. 1, 2013 to Sep. 30, 2013			Jan. 1, 2013 to Sep. 30, 2013
Total revenue	$	528		$	1,490
Property operations and maintenance expense		(152	)		(450	)
Real estate taxes		(41	)		(123	)
Depreciation and amortization expense		(89	)		(266	)
Net realized gain on sale of property		—			—
Total income from discontinued operations	$	246		$	651

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Mortgages Payable and Debt Maturities - Summary of Mortgage Payable (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Mortgages payable	$ 2,160	$ 2,254
5.99% Mortgage Notes Due May 1, 2026 [Member]
Debt Instrument [Line Items]
Mortgages payable	$ 2,160	$ 2,254

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Investment in Storage Facilities - Schedule of Acquired Facilities and Purchase Price of Facilities (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014 Facility	Sep. 30, 2013	Sep. 30, 2014 Facility	Sep. 30, 2013
Finite-Lived Intangible Assets [Line Items]
Number of Properties	5		28
Purchase Price	$ 237,040,000		$ 237,040,000
Cash Paid			235,309,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	1,731,000		1,731,000
Land	69,980,000		69,980,000
Acquisition Date Building, Equipment, and Improvements	162,783,000		162,783,000
Fair Value In-Place Customers Leases	4,277,000		4,277,000
Acquisition Costs Expensed	1,210,000	776,000	5,926,000	1,263,000
Florida [Member] | Date Of Acquisition, 1/9/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			2
Date of Acquisition			Jan. 09, 2014
Purchase Price	54,000,000		54,000,000
Cash Paid			53,599,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	401,000		401,000
Land	23,309,000		23,309,000
Acquisition Date Building, Equipment, and Improvements	29,867,000		29,867,000
Fair Value In-Place Customers Leases	824,000		824,000
Acquisition Costs Expensed			1,672,000
Florida [Member] | Date Of Acquisition, 8/28/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Aug. 28, 2014
Purchase Price	10,200,000		10,200,000
Cash Paid			10,111,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	89,000		89,000
Land	2,958,000		2,958,000
Acquisition Date Building, Equipment, and Improvements	7,055,000		7,055,000
Fair Value In-Place Customers Leases	187,000		187,000
Acquisition Costs Expensed			183,000
Texas [Member] | Date Of Acquisition, 1/17/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Jan. 17, 2014
Purchase Price	9,000,000		9,000,000
Cash Paid			8,962,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	38,000		38,000
Land	3,999,000		3,999,000
Acquisition Date Building, Equipment, and Improvements	4,856,000		4,856,000
Fair Value In-Place Customers Leases	145,000		145,000
Acquisition Costs Expensed			215,000
Texas [Member] | Date Of Acquisition, 2/10/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Feb. 10, 2014
Purchase Price	8,900,000		8,900,000
Cash Paid			8,857,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	43,000		43,000
Land	2,235,000		2,235,000
Acquisition Date Building, Equipment, and Improvements	6,564,000		6,564,000
Fair Value In-Place Customers Leases	101,000		101,000
Acquisition Costs Expensed			203,000
Texas [Member] | Date Of Acquisition, 5/13/2014[Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			May 13, 2014
Purchase Price	6,075,000		6,075,000
Cash Paid			6,017,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	58,000		58,000
Land	2,000,000		2,000,000
Acquisition Date Building, Equipment, and Improvements	3,935,000		3,935,000
Fair Value In-Place Customers Leases	140,000		140,000
Acquisition Costs Expensed			180,000
Texas [Member] | Date Of Acquisition, 9/10/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Sep. 10, 2014
Purchase Price	11,200,000		11,200,000
Cash Paid			11,046,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	154,000		154,000
Land	4,657,000		4,657,000
Acquisition Date Building, Equipment, and Improvements	6,349,000		6,349,000
Fair Value In-Place Customers Leases	194,000		194,000
Acquisition Costs Expensed			195,000
Maine [Member] | Date Of Acquisition, 2/11/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			2
Date of Acquisition			Feb. 11, 2014
Purchase Price	14,750,000		14,750,000
Cash Paid			14,601,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	149,000		149,000
Land	2,639,000		2,639,000
Acquisition Date Building, Equipment, and Improvements	11,824,000		11,824,000
Fair Value In-Place Customers Leases	287,000		287,000
Acquisition Costs Expensed			406,000
Illinois [Member] | Date Of Acquisition, 3/31/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Mar. 31, 2014
Purchase Price	8,700,000		8,700,000
Cash Paid			8,582,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	118,000		118,000
Land	1,837,000		1,837,000
Acquisition Date Building, Equipment, and Improvements	6,724,000		6,724,000
Fair Value In-Place Customers Leases	139,000		139,000
Acquisition Costs Expensed			223,000
Illinois [Member] | Date Of Acquisition, 5/5/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			May 05, 2014
Purchase Price	5,500,000		5,500,000
Cash Paid			5,487,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	13,000		13,000
Land	598,000		598,000
Acquisition Date Building, Equipment, and Improvements	4,902,000		4,902,000
Acquisition Costs Expensed			44,000
MISSOURI | Date Of Acquisition, 5/22/2014[Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			7
Date of Acquisition			May 22, 2014
Purchase Price	35,050,000		35,050,000
Cash Paid			34,786,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	264,000		264,000
Land	9,420,000		9,420,000
Acquisition Date Building, Equipment, and Improvements	24,835,000		24,835,000
Fair Value In-Place Customers Leases	795,000		795,000
Acquisition Costs Expensed			615,000
New Jersey [Member] | Date Of Acquisition, 6/5/2014[Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Jun. 05, 2014
Purchase Price	12,600,000		12,600,000
Cash Paid			12,526,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	74,000		74,000
Land	5,161,000		5,161,000
Acquisition Date Building, Equipment, and Improvements	7,201,000		7,201,000
Fair Value In-Place Customers Leases	238,000		238,000
Acquisition Costs Expensed			280,000
New Jersey [Member] | Date Of Acquisition, 6/12/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Jun. 12, 2014
Purchase Price	2,500,000		2,500,000
Cash Paid			2,430,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	70,000		70,000
Acquisition Date Building, Equipment, and Improvements	2,319,000		2,319,000
Fair Value In-Place Customers Leases	181,000		181,000
Acquisition Costs Expensed			63,000
New Jersey [Member] | Date Of Acquisition, 6/18/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			3
Date of Acquisition			Jun. 18, 2014
Purchase Price	18,325,000		18,325,000
Cash Paid			18,221,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	104,000		104,000
Land	2,543,000		2,543,000
Acquisition Date Building, Equipment, and Improvements	15,377,000		15,377,000
Fair Value In-Place Customers Leases	405,000		405,000
Acquisition Costs Expensed			539,000
New Jersey [Member] | Date Of Acquisition, 7/10/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Jul. 10, 2014
Purchase Price	11,590,000		11,590,000
Cash Paid			11,572,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	18,000		18,000
Land	1,512,000		1,512,000
Acquisition Date Building, Equipment, and Improvements	9,880,000		9,880,000
Fair Value In-Place Customers Leases	198,000		198,000
Acquisition Costs Expensed			320,000
NEW YORK | Date Of Acquisition, 6/11/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Jun. 11, 2014
Purchase Price	8,000,000		8,000,000
Cash Paid			7,988,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	12,000		12,000
Land	1,741,000		1,741,000
Acquisition Date Building, Equipment, and Improvements	6,106,000		6,106,000
Fair Value In-Place Customers Leases	153,000		153,000
Acquisition Costs Expensed			201,000
Georgia [Member] | Date Of Acquisition, 6/12/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Jun. 12, 2014
Purchase Price	7,700,000		7,700,000
Cash Paid			7,616,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	84,000		84,000
Land	2,263,000		2,263,000
Acquisition Date Building, Equipment, and Improvements	5,293,000		5,293,000
Fair Value In-Place Customers Leases	144,000		144,000
Acquisition Costs Expensed			178,000
Virginia [Member] | Date Of Acquisition, 9/5/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Sep. 05, 2014
Purchase Price	6,400,000		6,400,000
Cash Paid			6,373,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	27,000		27,000
Land	2,349,000		2,349,000
Acquisition Date Building, Equipment, and Improvements	3,947,000		3,947,000
Fair Value In-Place Customers Leases	104,000		104,000
Acquisition Costs Expensed			266,000
TENNESSEE | Date Of Acquisition, 9/18/2014 [Member]
Finite-Lived Intangible Assets [Line Items]
Number of Properties			1
Date of Acquisition			Sep. 18, 2014
Purchase Price	6,550,000		6,550,000
Cash Paid			6,535,000
Loan Assumed	0		0
Net Other Liabilities (Assets) Assumed	15,000		15,000
Land	759,000		759,000
Acquisition Date Building, Equipment, and Improvements	5,749,000		5,749,000
Fair Value In-Place Customers Leases	42,000		42,000
Acquisition Costs Expensed			$ 143,000

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Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 25,743	$ 19,799	$ 63,219	$ 52,223
Other comprehensive income:
Change in fair value of derivatives net of reclassification to interest expense	2,464	(3,572)	(3,191)	5,189
Total comprehensive income	28,207	16,227	60,028	57,412
Comprehensive income attributable to noncontrolling interest	(170)	(102)	(362)	(364)
Comprehensive income attributable to common shareholders	$ 28,037	$ 16,125	$ 59,666	$ 57,048

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Investment in Storage Facilities

9 Months Ended

Sep. 30, 2014

Real Estate [Abstract]

Investment in Storage Facilities

4. INVESTMENT IN STORAGE FACILITIES

The following summarizes our activity in storage facilities during the nine months ended September 30, 2014.

(dollars in thousands)
Cost:
Beginning balance	$	1,864,637
Acquisition of storage facilities		232,763
Improvements and equipment additions		21,232
Net decrease in construction in progress		(975	)
Dispositions		(4,523	)
Ending balance	$	2,113,134

Accumulated Depreciation:
Beginning balance	$	366,472
Depreciation expense during the period		35,057
Dispositions		(1,223	)
Ending balance	$	400,306

The assets and liabilities of the acquired storage facilities, which primarily consist of tangible and intangible assets, are measured at fair value on the date of acquisition in accordance with the principles of FASB ASC Topic 820, “Fair Value Measurements and Disclosures.” During the nine months ended September 30, 2014 the Company acquired 28 self-storage facilities and the purchase price of the facilities has been assigned as follows (as of September 30, 2014 the purchase price assignments relating to the five facilities acquired during the three months ended September 30, 2014 are preliminary):

(dollars in thousands)							Consideration paid						Acquisition Date Fair Value
State	Number of Properties		Date of Acquisition		Purchase Price		Cash Paid		Loan Assumed		Net Other Liabilities (Assets) Assumed		Land		Building, Equipment, and Improvements		In-Place Customers Leases		Acquisition Costs Expensed
2014
Florida		2		1/9/2014	$	54,000	$	53,599	$	—	$	401	$	23,309	$	29,867	$	824	$	1,672
Texas		1		1/17/2014		9,000		8,962		—		38		3,999		4,856		145		215
Texas		1		2/10/2014		8,900		8,857		—		43		2,235		6,564		101		203
Maine		2		2/11/2014		14,750		14,601		—		149		2,639		11,824		287		406
Illinois		1		3/31/14		8,700		8,582		—		118		1,837		6,724		139		223
Illinois		1		5/5/14		5,500		5,487		—		13		598		4,902		—		44
Texas		1		5/13/14		6,075		6,017		—		58		2,000		3,935		140		180
Missouri		7		5/22/14		35,050		34,786		—		264		9,420		24,835		795		615
New Jersey		1		6/5/14		12,600		12,526		—		74		5,161		7,201		238		280
New York		1		6/11/14		8,000		7,988		—		12		1,741		6,106		153		201
New Jersey		1		6/12/14		2,500		2,430		—		70		—		2,319		181		63
Georgia		1		6/12/14		7,700		7,616		—		84		2,263		5,293		144		178
New Jersey		3		6/18/14		18,325		18,221		—		104		2,543		15,377		405		539
New Jersey		1		7/10/14		11,590		11,572		—		18		1,512		9,880		198		320
Florida		1		8/28/14		10,200		10,111		—		89		2,958		7,055		187		183
Virginia		1		9/5/14		6,400		6,373		—		27		2,349		3,947		104		266
Texas		1		9/10/14		11,200		11,046		—		154		4,657		6,349		194		195
Tennessee		1		9/18/14		6,550		6,535		—		15		759		5,749		42		143
Total 2014		28			$	237,040	$	235,309	$	—	$	1,731	$	69,980	$	162,783	$	4,277	$	5,926

All of the properties acquired were purchased from unrelated third parties. The operating results of the acquired facilities have been included in the Company’s operations since the respective acquisition dates. Of the $235.3 million paid at closing for the properties acquired during the nine months ended September 30, 2014, $5.6 million represented deposits that were paid in 2013 when certain of these properties originally went under contract.

The Company measures the fair value of in-place customer lease intangible assets based on the Company’s experience with customer turnover. The Company amortizes in-place customer leases on a straight-line basis over 12 months (the estimated future benefit period). In-place customer leases are included in other assets on the Company’s balance sheet as follows:

(Dollars in thousands)	Sep. 30, 2014			Dec. 31, 2013
In-place customer leases	$	18,920		$	14,643
Accumulated amortization		(16,274	)		(13,551	)
Net carrying value at the end of period	$	2,646		$	1,092

Amortization expense related to in-place customer leases was $1.2 million and $0.8 million for the three months ended September 30, 2014 and 2013, respectively and was $2.7 million and $2.7 million for the nine months ended September 30, 2014 and 2013, respectively. The Company expects to record $4.0 million and $1.4 million of amortization expense for the years ended December 31, 2014 and 2015, respectively.

As noted above, during the nine months ended September 30, 2014, the Company acquired 28 properties. The following pro forma information is based on the combined historical financial statements of the Company and the 28 properties acquired, and presents the Company’s results as if the acquisitions had occurred as of January 1, 2013:

	Three months ended September 30,				Nine months ended September 30,
(dollars in thousands)	2014		2013		2014		2013
Total revenues	$	85,774	$	76,372	$	248,705	$	218,383
Net income attributable to common shareholders	$	27,795	$	20,018	$	70,712	$	43,984
Earnings per common share
Basic	$	0.83	$	0.60	$	2.11	$	1.31
Diluted	$	0.83	$	0.59	$	2.10	$	1.31

The following table summarizes the revenues and earnings related to the 28 properties since the acquisition dates that are included in the Company’s consolidated statements of operations for the three and nine months ended September 30, 2014.

	Three months ended September 30, 2014			Nine months ended September 30, 2014
Total revenues	$	5,562		$	10,047
Net loss attributable to common shareholders	$	(1,199	)	$	(5,774	)

The above net losses attributable to common shareholders were primarily due to the acquisition costs incurred in connection with the 2014 acquisitions.

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Investment in Joint Ventures - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended			9 Months Ended	12 Months Ended				12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Sovran HHF and Sovran HHF II [Member]	Sep. 30, 2013 Sovran HHF and Sovran HHF II [Member]	Sep. 30, 2014 Sovran HHF and Sovran HHF II [Member]	Sep. 30, 2013 Sovran HHF and Sovran HHF II [Member]	Sep. 30, 2014 Iskalo Office Holdings, LLC [Member]	Sep. 30, 2013 Iskalo Office Holdings, LLC [Member]	Sep. 30, 2014 Iskalo Office Holdings, LLC [Member]	Sep. 30, 2013 Iskalo Office Holdings, LLC [Member]	Dec. 31, 2013 Iskalo Office Holdings, LLC [Member]	Sep. 30, 2014 Sovran HHF Storage Holdings LLC [Member]	Dec. 31, 2013 Sovran HHF Storage Holdings LLC [Member]	Dec. 31, 2012 Sovran HHF Storage Holdings LLC [Member]	Dec. 31, 2008 Sovran HHF Storage Holdings LLC [Member] Property	Jun. 30, 2014 Sovran HHF Storage Holdings LLC [Member] Property	Dec. 31, 2012 Sovran HHF Storage Holdings II LLC [Member] Property	Dec. 31, 2011 Sovran HHF Storage Holdings II LLC [Member] Property	Sep. 30, 2014 Sovran HHF Storage Holdings II LLC [Member]	Dec. 31, 2013 Sovran HHF Storage Holdings II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest									49.00%		49.00%			20.00%							15.00%
Investment at carrying value									$ (400,000)		$ (400,000)		$ (500,000)	$ 26,200,000	$ 17,400,000						$ 12,700,000	$ 12,800,000
Payment for property acquisition	237,040,000		237,040,000														171,500,000	34,400,000	29,000,000	166,100,000
Number of properties owned and managed under twenty-percent stake joint venture																	25	3
Contribution of company to joint venture as share in capital														9,300,000		1,200,000	18,600,000		2,400,000	12,800,000
Receipt of return of capital distribution															3,400,000
Excess of investment over net asset due to capitalization of acquisition related costs														1,700,000
Number of properties owned and managed under fifteen-percent stake joint venture																			10	20
Management and call center fee as a percentage of revenues					7.00%
Management and call center fee earned					1,000,000	900,000	2,800,000	2,500,000
Company's share in income (loss) of joint venture	662,000	575,000	1,553,000	1,417,000	624,000	552,000	1,417,000	1,373,000	38,000	23,000	102,000	44,000
Rent paid during the period									$ 261,000	$ 231,000	$ 764,000	$ 576,000

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Unsecured Line of Credit and Term Notes (Tables)

9 Months Ended

Sep. 30, 2014

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)	Sep. 30, 2014		Dec. 31, 2013
Revolving line of credit borrowings	$	—	$	49,000
Term note due April 13, 2016		150,000		150,000
Term note due June 4, 2020		225,000		225,000
Term note due June 4, 2020		100,000		100,000
Term note due August 5, 2021		100,000		100,000
Term note due April 8, 2024		175,000		—
Total term notes payable	$	750,000	$	575,000

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Stock Based Compensation - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock option expense	$ 37	$ 43	$ 186	$ 261
Amortization of non-vested stock grants	$ 1,129	$ 795	$ 3,451	$ 1,977
Stock options exercised by employees	3,962	23,835	12,962	121,845
Number of shares of non-vested stock that vested	31,078	13,334	48,678	32,796

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Recent Accounting Pronouncements

9 Months Ended

Sep. 30, 2014

Accounting Changes and Error Corrections [Abstract]

Recent Accounting Pronouncements

14. RECENT ACCOUNTING PRONOUNCEMENTS

In July 2013, the FASB issued ASU 2013-11, “Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists.” This ASU provides explicit guidance regarding the presentation in the statement of financial position of an unrecognized tax benefit when net operating losses or tax credit carryforwards exist. It is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013, with early adoption permitted, and is applicable to the Company’s fiscal year beginning January 1, 2014. The adoption of this guidance did not have a material impact on the Company’s consolidated financial statements.

In April 2014, the FASB issued ASU 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant and Equipment (Topic 360): Reporting Discontinued Operations and disclosures of Components of an Entity”. Under this ASU, only disposals representing a strategic shift in operations should be presented as discontinued operations. Those strategic shifts should have a major effect on the organization’s operations and financial results. The ASU also requires new disclosures of both discontinued operations and certain other disposals that do not meet the definition of a discontinued operation. It is effective for fiscal years, and interim periods within those years, beginning after December 15, 2014, with early adoption permitted. We have adopted this guidance effective January 1, 2014 and the adoption is expected to significantly reduce the classification of property sales by the Company as discontinued operations.

The following table summarizes the revenues and expenses up to the date of sale of the one property sold in 2014 that are included in the Company’s consolidated statements of operations for the three and nine months ended September 30, 2014 and 2013.

	Three months ended September 30,				Nine months ended September 30,
(dollars in thousands)	2014		2013		2014		2013
Total revenues	$	80	$	180	$	465	$	526
Property operations and maintenance expense		23		50		111		161
Real estate tax expense		3		18		51		54
Depreciation and amortization expense		9		26		60		76
Gain on sale of real estate		1,777		—		1,777		—

In May 2014, FASB issued ASU 2014-09, “Revenue from Contracts with Customers,” which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605),” and requires an entity to recognize revenue in a way that depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled to in exchange for those goods or services. ASU 2014-09 is effective for fiscal years, and interim periods within those years, beginning after December 15, 2016. The Company has the option to apply the provisions of ASU 2014-09 either retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying the new guidance recognized at the date of initial application. The Company is currently evaluating the new standard to determine the impact it may have on the consolidated financial statements.

In June 2014, the FASB issued ASU 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period,” which requires a reporting entity to treat a performance target that affects vesting and that could be achieved after the requisite service period as a performance condition. ASU 2014-12 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2015. Early adoption is permitted. ASU 2014-12 may be adopted either prospectively for share-based payment awards granted or modified on or after the effective date, or retrospectively, using a modified retrospective approach. The modified retrospective approach would apply to share-based payment awards outstanding as of the beginning of the earliest annual period presented in the financial statements on adoption, and to all new or modified awards thereafter. The Company is currently evaluating the new standard to determine the impact it may have on the consolidated financial statements.