10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

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

For the quarterly period ended June 30, 2020

OR

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

For the transition period from to

Commission file number: 001-37351

National Storage Affiliates Trust

(Exact name of Registrant as specified in its charter)

Maryland	46-5053858
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

8400 East Prentice Avenue, 9th Floor

Greenwood Village, Colorado 80111

(Address of principal executive offices) (Zip code)

(720) 630-2600

(Registrant's telephone number including area code)

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

Title of each class	Trading symbols	Name of each exchange on which registered
Common Shares of Beneficial Interest, $0.01 par value per share	NSA	New York Stock Exchange
Series A Cumulative Redeemable Preferred Shares of Beneficial Interest, par value $0.01 per share	NSA Pr A	New York Stock Exchange

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 ☒  No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes ☒ No ☐

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

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

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

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

Yes ☐  No ☒

As of August 6, 2020, 68,789,688 common shares of beneficial interest, $0.01 par value per share, were outstanding.

NATIONAL STORAGE AFFILIATES TRUST
TABLE OF CONTENTS
FORM 10-Q
		Page
PART I. FINANCIAL INFORMATION
ITEM 1.	Financial Statements	4
	Condensed Consolidated Balance Sheets as of June 30, 2020 and December 31, 2019 (Unaudited)	4
	Condensed Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2020 and 2019 (Unaudited)	5
	Condensed Consolidated Statements of Comprehensive Income (Loss) for the Three and Six Months Ended June 30, 2020 and 2019 (Unaudited)	6
	Condensed Consolidated Statements of Changes in Equity for the Three and Six Months Ended June 30, 2020 and 2019 (Unaudited)	7
	Condensed Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2020 and 2019 (Unaudited)	11
	Notes to Condensed Consolidated Financial Statements (Unaudited)	13
ITEM 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	31
ITEM 3.	Quantitative and Qualitative Disclosures About Market Risk	51
ITEM 4.	Controls and Procedures	52
PART II. OTHER INFORMATION
ITEM 1.	Legal Proceedings	52
ITEM 1A.	Risk Factors	52
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	53
ITEM 3.	Defaults Upon Senior Securities	54
ITEM 4.	Mine Safety Disclosures	54
ITEM 5.	Other Information	54
ITEM 6.	Exhibits	54
Signatures		57

2

PART I. FINANCIAL INFORMATION

ITEM 1. Financial Statements

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED BALANCE SHEETS

(dollars in thousands, except per share amounts)

(Unaudited)

	June 30,		December 31,
	2020		2019
ASSETS
Real estate
Self storage properties	$	3,354,454	$	3,091,719
Less accumulated depreciation	(389,828)		(337,822)
Self storage properties, net	2,964,626		2,753,897
Cash and cash equivalents	17,271		20,558
Restricted cash	5,635		3,718
Debt issuance costs, net	2,900		3,264
Investment in unconsolidated real estate ventures	210,114		214,061
Other assets, net	60,927		65,441
Operating lease right-of-use assets	23,577		23,306
Total assets	$	3,285,050	$	3,084,245
LIABILITIES AND EQUITY
Liabilities
Debt financing	$	1,741,544	$	1,534,047
Accounts payable and accrued liabilities	42,641		37,966
Interest rate swap liabilities	91,175		19,943
Operating lease liabilities	25,095		24,665
Deferred revenue	15,850		15,523
Total liabilities	1,916,305		1,632,144
Commitments and contingencies (Note 11)
Equity
Preferred shares of beneficial interest, par value $0.01 per share. 50,000,000 authorized, 8,732,719 and 8,727,119 issued and outstanding at June 30, 2020 and December 31, 2019, at liquidation preference	218,318		218,178
Common shares of beneficial interest, par value $0.01 per share. 250,000,000 authorized, 68,703,733 and 59,659,108 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively	687		597
Additional paid-in capital	984,950		905,763
Distributions in excess of earnings	(228,924)		(197,075)
Accumulated other comprehensive loss	(57,462)		(7,833)
Total shareholders' equity	917,569		919,630
Noncontrolling interests	451,176		532,471
Total equity	1,368,745		1,452,101
Total liabilities and equity	$	3,285,050	$	3,084,245

See notes to condensed consolidated financial statements.

3

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share amounts)

(Unaudited)

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
REVENUE
Rental revenue	$	95,302	$	87,175	$	190,704	$	170,030
Other property-related revenue	3,418		3,128		6,789		5,952
Management fees and other revenue	5,697		5,116		11,146		10,009
Total revenue	104,417		95,419		208,639		185,991
OPERATING EXPENSES
Property operating expenses	30,257		27,190		60,849		53,647
General and administrative expenses	10,329		10,813		21,423		21,193
Depreciation and amortization	29,309		25,829		58,414		50,178
Other	462		357		851		743
Total operating expenses	70,357		64,189		141,537		125,761
OTHER (EXPENSE) INCOME
Interest expense	(15,513)		(13,947)		(31,141)		(27,158)
Equity in earnings (losses) of unconsolidated real estate ventures	52		(1,646)		(288)		(3,748)
Acquisition costs	(252)		(305)		(1,085)		(462)
Non-operating expense	(317)		(169)		(509)		(267)
Gain on sale of self storage properties	—		2,814		—		2,814
Other expense	(16,030)		(13,253)		(33,023)		(28,821)
Income before income taxes	18,030		17,977		34,079		31,409
Income tax expense	(243)		(244)		(529)		(736)
Net income	17,787		17,733		33,550		30,673
Net income attributable to noncontrolling interests	(7,365)		(25,389)		(16,480)		(30,918)
Net income (loss) attributable to National Storage Affiliates Trust	10,422		(7,656)		17,070		(245)
Distributions to preferred shareholders	(3,274)		(3,257)		(6,547)		(5,845)
Net income (loss) attributable to common shareholders	$	7,148	$	(10,913)	$	10,523	$	(6,090)
Earnings (loss) per share - basic and diluted	$	0.10	$	(0.19)	$	0.16	$	(0.11)
Weighted average shares outstanding - basic and diluted	68,210		57,543		64,004		57,101
Dividends declared per common share	$	0.33	$	0.32	$	0.66	$	0.62

See notes to condensed consolidated financial statements.

4

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(dollars in thousands)

(Unaudited)

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Net income	$	17,787	$	17,733	$	33,550	$	30,673
Other comprehensive (loss) income
Unrealized loss on derivative contracts	(10,423)		(19,075)		(76,792)		(27,114)
Reclassification of other comprehensive loss (income) to interest expense	3,934		(1,277)		4,546		(2,553)
Other comprehensive (loss) income	(6,489)		(20,352)		(72,246)		(29,667)
Comprehensive (loss) income	11,298		(2,619)		(38,696)		1,006
Comprehensive (income) loss attributable to noncontrolling interests	(5,172)		(18,029)		9,177		(20,160)
Comprehensive income (loss) attributable to National Storage Affiliates Trust	$	6,126	$	(20,648)	$	(29,519)	$	(19,154)

See notes to condensed consolidated financial statements.

5

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(dollars in thousands, except share amounts)

(Unaudited)

											Accumulated
							Additional		Distributions		Other
	Preferred Shares			Common Shares			Paid-in		In Excess Of		Comprehensive		Noncontrolling		Total
	Number	Amount		Number	Amount		Capital		Earnings		(Loss) Income		Interests		Equity
Balances, December 31, 2018	6,900,000	$	172,500	56,654,009	$	567	$	844,276	$	(114,122)	$	13,618	$	485,460	$	1,402,299
OP equity issued for property acquisitions:
Series A-1 preferred units, OP units and subordinated performance units, net of offering costs	—	—		—	—		—		—		—		32,856		32,856
Redemptions of OP units	—	—		29,910	—		250		—		7		(257)		—
Effect of changes in ownership for consolidated entities	—	—		—	—		(5,385)		—		(182)		5,567		—
Equity-based compensation expense	—	—		—	—		90		—		—		1,022		1,112
Issuance of LTIP units for acquisition expenses	—	—		—	—		—		—		—		5		5
Issuance of restricted common shares	—	—		18,218	—		—		—		—		—		—
Vesting and forfeitures of restricted common shares, net	—	—		(3,451)	—		(69)		—		—		—		(69)
Reduction in receivables from partners of the operating partnership	—	—		—	—		—		—		—		139		139
Preferred share dividends	—	—		—	—		—		(2,588)		—		—		(2,588)
Common share dividends	—	—		—	—		—		(17,010)		—		—		(17,010)
Distributions to noncontrolling interests	—	—		—	—		—		—		—		(17,181)		(17,181)
Other comprehensive loss	—	—		—	—		—		—		(5,917)		(3,398)		(9,315)
Net income	—	—		—	—		—		7,411		—		5,529		12,940
Balances, March 31, 2019	6,900,000	$	172,500	56,698,686	$	567	$	839,162	$	(126,309)	$	7,526	$	509,742	$	1,403,188
Issuance of preferred shares, net of offering costs	1,785,680	44,642		—	—		(1,018)		—		—		—		43,624
OP equity issued for property acquisitions:
Series A-1 preferred units, OP units and subordinated performance units, net of offering costs	—	—		—	—		—		—		—		15,515		15,515
Redemptions of OP units	—	—		224,618	2		1,839		—		28		(1,869)		—

See notes to condensed consolidated financial statements.

6

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(dollars in thousands, except share amounts)

(Unaudited)

											Accumulated
							Additional		Distributions		Other
	Preferred Shares			Common Shares			Paid-in		In Excess Of		Comprehensive		Noncontrolling		Total
	Number	Amount		Number	Amount		Capital		Earnings		(Loss) Income		Interests		Equity
Issuance of common shares, net of offering costs	—	—		2,375,000	24		70,613		—		—		—		70,637
Effect of changes in ownership for consolidated entities	—	—		—	—		(9,179)		—		(28)		9,207		—
Issuance of OP units	—	—		—	—		—		—		—		8,540		8,540
Equity-based compensation expense	—	—		—	—		82		—		—		1,026		1,108
Issuance of LTIP units for acquisition expenses	—	—		—	—		—		—		—		56		56
Vesting and forfeitures of restricted common shares, net	—	—		(1,335)	—		—		—		—		—		—
Preferred share dividends	—	—		—	—		—		(3,257)		—		—		(3,257)
Common share dividends	—	—		—	—		—		(18,970)		—		—		(18,970)
Distributions to noncontrolling interests	—	—		—	—		—		—		—		(19,038)		(19,038)
Other comprehensive loss	—	—		—	—		—		—		(12,992)		(7,360)		(20,352)
Net (loss) income	—	—		—	—		—		(7,656)		—		25,389		17,733
Balances, June 30, 2019	8,685,680	$	217,142	59,296,969	$	593	$	901,499	$	(156,192)	$	(5,466)	$	541,208	$	1,498,784

See notes to condensed consolidated financial statements.

7

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(dollars in thousands, except share amounts)

(Unaudited)

											Accumulated
							Additional		Distributions		Other
	Preferred Shares			Common Shares			Paid-in		In Excess Of		Comprehensive		Noncontrolling		Total
	Number	Amount		Number	Amount		Capital		Earnings		(Loss) Income		Interests		Equity
Balances, December 31, 2019	8,727,119	$	218,178	59,659,108	$	597	$	905,763	$	(197,075)	$	(7,833)	$	532,471	$	1,452,101
OP equity issued for property acquisitions:
OP units and subordinated performance units, net of offering costs	—	—		—	—		—		—		—		6,206		6,206
LTIP units	—	—		—	—		—		—		—		1,011		1,011
Redemptions of OP units	—	—		118,961	1		1,437		—		(62)		(1,376)		—
Issuance of common shares, net of offering costs	—	—		125,000	1		4,248		—		—		—		4,249
Merger and internalization of PRO, net of issuance costs	—	—		8,105,192	81		43,499		—		(402)		(33,583)		9,595
Redemption of Series A-1 preferred units	5,600	140		—	—		—		—		—		(140)		—
Effect of changes in ownership for consolidated entities	—	—		—	—		15,857		—		(2,265)		(13,592)		—
Equity-based compensation expense	—	—		—	—		76		—		—		698		774
Issuance of LTIP units for acquisition expenses	—	—		—	—		—		—		—		40		40
Issuance of restricted common shares	—	—		21,861	—		—		—		—		—		—
Vesting and forfeitures of restricted common shares, net	—	—		(2,910)	—		(94)		—		—		—		(94)
Preferred share dividends	—	—		—	—		—		(3,273)		—		—		(3,273)
Common share dividends	—	—		—	—		—		(19,747)		—		—		(19,747)
Distributions to noncontrolling interests	—	—		—	—		—		—		—		(19,813)		(19,813)
Other comprehensive loss	—	—		—	—		—		—		(42,293)		(23,464)		(65,757)
Net income	—	—		—	—		—		6,648		—		9,115		15,763
Balances, March 31, 2020	8,732,719	$	218,318	68,027,212	$	680	$	970,786	$	(213,447)	$	(52,855)	$	457,573	$	1,381,055
OP equity issued for property acquisitions:
OP units and subordinated performance units, net of offering costs	—	—		—	—		—		—		—		5,842		5,842
Redemptions of OP units	—	—		292,291	3		3,438		—		(238)		(3,203)		—

See notes to condensed consolidated financial statements.

8

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

(dollars in thousands, except share amounts)

(Unaudited)

											Accumulated
							Additional		Distributions		Other
	Preferred Shares			Common Shares			Paid-in		In Excess Of		Comprehensive		Noncontrolling		Total
	Number	Amount		Number	Amount		Capital		Earnings		(Loss) Income		Interests		Equity
Issuance of common shares, net of offering costs	—	—		387,000	4		11,912		—		—		—		11,916
Effect of changes in ownership for consolidated entities	—	—		—	—		(1,286)		—		(73)		1,359		—
Equity-based compensation expense	—	—		—	—		100		—		—		1,051		1,151
Vesting and forfeitures of restricted common shares, net	—	—		(2,770)	—		—		—		—		—		—
Reduction in receivables from partners of the operating partnership	—	—		—	—		—		—		—		225		225
Preferred share dividends	—	—		—	—		—		(3,274)		—		—		(3,274)
Common share dividends	—	—		—	—		—		(22,625)		—		—		(22,625)
Distributions to noncontrolling interests	—	—		—	—		—		—		—		(16,843)		(16,843)
Other comprehensive loss	—	—		—	—		—				(4,296)		(2,193)		(6,489)
Net income	—	—		—	—		—		10,422		—		7,365		17,787
Balances, June 30, 2020	8,732,719	$	218,318	68,703,733	$	687	$	984,950	$	(228,924)	$	(57,462)	$	451,176	$	1,368,745

See notes to condensed consolidated financial statements.

9

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(dollars in thousands)

(Unaudited)

	Six Months Ended June 30,
	2020		2019
OPERATING ACTIVITIES
Net income	$	33,550	$	30,673
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	58,414		50,178
Amortization of debt issuance costs	1,521		1,414
Amortization of debt discount and premium, net	(711)		(708)
Gain on sale of self storage properties	—		(2,814)
Mark-to-market changes in value on equity securities	142		—
Equity-based compensation expense	1,925		2,220
Equity in losses of unconsolidated real estate ventures	288		3,748
Distributions from unconsolidated real estate ventures	6,761		7,065
Change in assets and liabilities, net of effects of self storage property acquisitions:
Other assets	1,212		119
Accounts payable and accrued liabilities	3,093		2,893
Deferred revenue	(512)		(1,313)
Net Cash Provided by Operating Activities	105,683		93,475
INVESTING ACTIVITIES
Acquisition of self storage properties	(239,138)		(307,791)
Capital expenditures	(8,583)		(10,443)
Investments in and advances to unconsolidated real estate ventures	(3,125)		—
Distributions from unconsolidated real estate ventures	—		1,017
Deposits and advances for self storage property and other acquisitions	(294)		(175)
Proceeds from sale of equity securities	7,560		—
Expenditures for corporate furniture, equipment and other	(318)		(416)
Acquisition of interest in reinsurance company and related cash flows	—		(6,600)
Proceeds from sale of self storage properties	—		6,335
Net Cash Used In Investing Activities	(243,898)		(318,073)
FINANCING ACTIVITIES
Proceeds from issuance of common shares	16,165		70,637
Proceeds from issuance of preferred shares	—		43,624
Borrowings under debt financings	311,000		499,000
Receipts for OP unit subscriptions	661		318
Principal payments under debt financings	(103,911)		(306,538)
Payment of dividends to common shareholders	(42,372)		(35,980)
Distributions to preferred shareholders	(6,547)		(5,845)
Distributions to noncontrolling interests	(36,431)		(36,080)
Debt issuance costs	(835)		(987)
Equity offering costs	(885)		(161)
Net Cash Provided By Financing Activities	136,845		227,988

See notes to condensed consolidated financial statements.

10

NATIONAL STORAGE AFFILIATES TRUST

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(dollars in thousands)

(Unaudited)

(Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(1,370)		3,390
CASH, CASH EQUIVALENTS AND RESTRICTED CASH
Beginning of period	24,276		16,363
End of period	$	22,906	$	19,753

Supplemental Cash Flow and Noncash Information
Cash paid for interest	$	30,366	$	25,999
Operating lease right-of-use assets on balance sheet due to implementation of leases standard	—		22,971
Operating lease liabilities on balance sheet due to implementation of leases standard	—		24,152
Merger and internalization of PRO:
Redemptions and conversions of partnership interests	33,583		—
Issuance of common shares for management platform	10,301		—

See notes to condensed consolidated financial statements.

11

NATIONAL STORAGE AFFILIATES TRUST

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

June 30, 2020

(Unaudited)

1. ORGANIZATION AND NATURE OF OPERATIONS

National Storage Affiliates Trust was organized in the state of Maryland on May 16, 2013 and is a fully integrated, self-administered and self-managed real estate investment trust focused on the self storage sector. As used herein, "NSA," the "Company," "we," "our," and "us" refers to National Storage Affiliates Trust and its consolidated subsidiaries, except where the context indicates otherwise. The Company has elected and believes that it has qualified to be taxed as a real estate investment trust for U.S. federal income tax purposes ("REIT") commencing with its taxable year ended December 31, 2015.

Through its controlling interest as the sole general partner of NSA OP, LP (its "operating partnership"), a Delaware limited partnership formed on February 13, 2013, the Company is focused on the ownership, operation, and acquisition of self storage properties located within the top 100 metropolitan statistical areas throughout the United States. Pursuant to the Agreement of Limited Partnership (as amended, the "LP Agreement") of its operating partnership, the Company's operating partnership is authorized to issue preferred units, Class A Units ("OP units"), different series of Class B Units ("subordinated performance units"), and Long-Term Incentive Plan Units ("LTIP units"). The Company also owns certain of its self storage properties through other consolidated limited partnership subsidiaries of its operating partnership, which the Company refers to as "DownREIT partnerships." The DownREIT partnerships issue equity ownership interests that are intended to be economically equivalent to the Company's OP units ("DownREIT OP units") and subordinated performance units ("DownREIT subordinated performance units").

The Company owned 607 consolidated self storage properties in 29 states and Puerto Rico with approximately 36.6 million rentable square feet in approximately 291,000 storage units as of June 30, 2020. These properties are managed with local operational focus and expertise by the Company and its participating regional operators ("PROs"). These PROs are Kevin Howard Real Estate Inc., d/b/a Northwest Self Storage and its controlled affiliates ("Northwest"), Optivest Properties LLC and its controlled affiliates ("Optivest"), Guardian Storage Centers LLC and its controlled affiliates ("Guardian"), Move It Self Storage and its controlled affiliates ("Move It"), Arizona Mini Storage Management Company d/b/a Storage Solutions and its controlled affiliates ("Storage Solutions"), Hide-Away Storage Services, Inc. and its controlled affiliates ("Hide-Away"), an affiliate of Shader Brothers Corporation d/b/a Personal Mini Storage ("Personal Mini"), Southern Storage Management Systems, Inc. d/b/a Southern Self Storage ("Southern") and affiliates of Investment Real Estate Management, LLC d/b/a Moove In Self Storage of York, Pennsylvania ("Moove In").

On March 31, 2020, the Company closed on the mergers of its largest PRO, SecurCare Self Storage, Inc. and its controlled affiliates ("SecurCare"), and DLAN Corporation ("DLAN") with and into wholly-owned subsidiaries of the Company. As a result of the mergers, SecurCare's property management platform and related intellectual property were internalized by the Company, and the Company no longer pays any supervisory and administrative fees or reimbursements to SecurCare. In addition, distributions on the series of subordinated performance units related to SecurCare's managed portfolio were discontinued. As part of the internalization, most of SecurCare's employees and other key persons were offered and provided employment by the Company and continue managing SecurCare's portfolio of properties under the brand SecurCare as members of the Company's existing property management platform.

As of June 30, 2020, the Company also managed through its property management platform an additional portfolio of 177 properties owned by the Company's unconsolidated real estate ventures. These properties contain approximately 12.6 million rentable square feet, configured in approximately 104,000 storage units and located across 21 states. The Company owns a 25% equity interest in each of its unconsolidated real estate ventures.

As of June 30, 2020, in total, the Company operated and held ownership interests in 784 self storage properties located across 35 states and Puerto Rico with approximately 49.2 million rentable square feet in approximately 394,000 storage units.

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying condensed consolidated financial statements are presented on the accrual basis of accounting in accordance with U.S. generally accepted accounting principles ("GAAP") and have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC") regarding interim financial reporting. Accordingly, certain information and footnote disclosures required by GAAP for

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complete financial statements have been condensed or omitted in accordance with such rules and regulations. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the condensed consolidated financial statements have been included. The Company's results of operations for the quarterly and year to date periods are not necessarily indicative of the results to be expected for the full year or any other future period.

Principles of Consolidation

The Company's financial statements include the accounts of its operating partnership and its controlled subsidiaries. All significant intercompany balances and transactions have been eliminated in the consolidation of entities.

When the Company obtains an economic interest in an entity, the Company evaluates the entity to determine if the entity is deemed a variable interest entity ("VIE"), and if the Company is deemed to be the primary beneficiary, in accordance with authoritative guidance issued on the consolidation of VIEs. When an entity is not deemed to be a VIE, the Company considers the provisions of additional guidance to determine whether the general partner controls a limited partnership or similar entity when the limited partners have certain rights. The Company consolidates all entities that are VIEs and of which the Company is deemed to be the primary beneficiary. The Company has determined that its operating partnership is a VIE. The sole significant asset of National Storage Affiliates Trust is its investment in its operating partnership, and consequently, substantially all of the Company’s assets and liabilities represent those assets and liabilities of its operating partnership.

As of June 30, 2020 and December 31, 2019, the Company's operating partnership was the primary beneficiary of, and therefore consolidated, 21 DownREIT partnerships that are considered VIEs, which owned 34 self storage properties. The net book value of the real estate owned by these VIEs was $229.2 million and $233.1 million as of June 30, 2020 and December 31, 2019, respectively. For certain DownREIT partnerships which are subject to fixed rate mortgages payable, the carrying value of such fixed rate mortgages payable held by these VIEs was $135.4 million and $136.4 million as of June 30, 2020 and December 31, 2019, respectively. The creditors of the consolidated VIEs do not have recourse to the Company's general credit.

Reclassifications

Certain amounts in the condensed consolidated financial statements and related notes have been reclassified to conform to the current year presentation. Such reclassifications do not impact the Company's previously reported financial position or net income (loss).

Revenue Recognition

Rental revenue

Rental revenue consists of space rentals and related fees. Management has determined that all of the Company's leases are operating leases. Substantially all leases may be terminated on a month-to-month basis and rental income is recognized ratably over the lease term using the straight-line method. Rents received in advance are deferred and recognized on a straight-line basis over the related lease term associated with the prepayment. Promotional discounts and other incentives are recognized as a reduction to rental income over the applicable lease term.

Other property-related revenue

Other property-related revenue primarily consists of ancillary revenues such as tenant insurance and/or tenant warranty protection-related access fees and sales of storage supplies which are recognized in the period earned.

The Company and certain of the Company’s PROs have tenant insurance- and/or tenant warranty protection plan-related arrangements with insurance companies and the Company’s tenants. During the three months ended June 30, 2020 and 2019, the Company recognized $2.7 million and $2.2 million, respectively, of tenant insurance and tenant warranty protection plan revenues and during the six months ended June 30, 2020 and 2019, the Company recognized $5.3 million and $4.3 million, respectively, of tenant insurance and tenant warranty protection plan revenues.

The Company sells boxes, packing supplies, locks and other retail merchandise at its properties. During the three months ended June 30, 2020 and 2019, the Company recognized retail sales of $0.4 million and $0.5 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized retail sales of $0.8 million and $0.9 million, respectively.

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Management fees and other revenue

Management fees and other revenue consist of property management fees, platform fees, call center fees, acquisition fees, and a portion of tenant warranty protection or tenant insurance proceeds that the Company earns for managing and operating its unconsolidated real estate ventures.

With respect to both the 2018 Joint Venture and the 2016 Joint Venture (as each is defined in Note 5), the Company provides supervisory and administrative property management services, centralized call center services, and technology platform and revenue management services to the properties in the unconsolidated real estate ventures. The property management fees are equal to 6% of monthly gross revenues and net sales revenues from the assets of the unconsolidated real estate ventures, and the platform fees are equal to $1,250 per month per unconsolidated real estate venture property. With respect to the 2016 Joint Venture only, the call center fees are equal to 1% of each of monthly gross revenues and net sales revenues from the 2016 Joint Venture properties. During the three months ended June 30, 2020 and 2019, the Company recognized property management fees, call center fees and platform fees of $3.2 million and $3.2 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized property management fees, call center fees and platform fees of $6.4 million and $6.4 million, respectively.

For acquisition fees, the Company provides sourcing, underwriting and administration services to the unconsolidated real estate ventures. The 2016 Joint Venture paid the Company a $4.1 million acquisition fee equal to 0.65% of the gross capitalization (including debt and equity) of the original 66-property 2016 Joint Venture portfolio (the "Initial 2016 JV Portfolio") in 2016, at the time of the Initial 2016 JV Portfolio acquisition. The 2018 Joint Venture paid the Company a $4.0 million acquisition fee related to the initial acquisition of properties by the 2018 Joint Venture (the "Initial 2018 JV Portfolio") in 2018, at the time of the Initial 2018 JV Portfolio acquisition. These fees are refundable to the unconsolidated real estate ventures, on a prorated basis, if the Company is removed as the managing member during the initial four year life of the unconsolidated real estate ventures and as such, the Company's performance obligation for these acquisition fees are satisfied over a four year period. As of June 30, 2020 and December 31, 2019, the Company had deferred revenue related to the acquisition fees of $1.9 million and $2.8 million, respectively.

The Company also earns acquisition fees for properties acquired by the unconsolidated real estate ventures subsequent to the Initial 2016 JV Portfolio and the Initial 2018 JV Portfolio. These fees are based on a percentage of the gross capitalization of the acquired assets determined by the members of the 2016 Joint Venture and the 2018 Joint Venture, and are generally earned when the unconsolidated real estate ventures obtain title and control of an acquired property. During the three months ended June 30, 2020 and 2019, the Company recognized acquisition fees of $0.4 million and $0.5 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized acquisition fees of $0.9 million and $1.0 million, respectively.

An affiliate of the Company facilitates tenant warranty protection or tenant insurance programs for tenants of the properties in the unconsolidated real estate ventures in exchange for 50% of all proceeds from such programs at each unconsolidated real estate venture property. During the three months ended June 30, 2020 and 2019, the Company recognized $1.9 million and $1.2 million, respectively, of revenue related to these activities and during the six months ended June 30, 2020 and 2019, the Company recognized $3.5 million and $2.4 million, respectively, of revenue related to these activities.

Gain on sale of self storage properties

The Company recognizes gains from disposition of facilities only upon closing in accordance with the guidance on sales of nonfinancial assets. Profit on real estate sold is recognized upon closing when all, or substantially all, of the promised consideration has been received and is nonrefundable and the Company has transferred control of the facilities to the purchaser.

Investments in Unconsolidated Real Estate Ventures

The Company’s investments in its unconsolidated real estate ventures are recorded under the equity method of accounting in the accompanying condensed consolidated financial statements. Under the equity method, the Company’s investments in unconsolidated real estate ventures are stated at cost and adjusted for the Company’s share of net earnings or losses and reduced by distributions. Equity in earnings (losses) is recognized based on the Company’s ownership interest in the earnings (losses) of the unconsolidated real estate ventures. The Company follows the "nature of the distribution approach" for classification of distributions from its unconsolidated real estate

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ventures in its condensed consolidated statements of cash flows. Under this approach, distributions are reported on the basis of the nature of the activity or activities that generated the distributions as either a return on investment, which are classified as operating cash flows, or a return of investment (e.g., proceeds from the unconsolidated real estate ventures' sale of assets) which are reported as investing cash flows.

Noncontrolling Interests

All of the limited partner equity interests ("OP equity") in the operating partnership not held by the Company are reflected as noncontrolling interests. Noncontrolling interests also include ownership interests in DownREIT partnerships held by entities other than the operating partnership or its subsidiaries. In the condensed consolidated statements of operations, the Company allocates net income (loss) attributable to noncontrolling interests to arrive at net income (loss) attributable to National Storage Affiliates Trust.

For transactions that result in changes to the Company's ownership interest in its operating partnership, the carrying amount of noncontrolling interests is adjusted to reflect such changes. The difference between the fair value of the consideration received or paid and the amount by which the noncontrolling interest is adjusted is reflected as an adjustment to additional paid-in capital on the condensed consolidated balance sheets.

Allocation of Net Income (Loss)

The distribution rights and priorities set forth in the operating partnership's LP Agreement differ from what is reflected by the underlying percentage ownership interests of the unitholders. Accordingly, the Company allocates GAAP income (loss) utilizing the hypothetical liquidation at book value ("HLBV") method, in which the Company allocates income or loss based on the change in each unitholders’ claim on the net assets of its operating partnership at period end after adjusting for any distributions or contributions made during such period. The HLBV method is commonly applied to equity investments where cash distribution percentages vary at different points in time and are not directly linked to an equity holder’s ownership percentage.

The HLBV method is a balance sheet-focused approach to income (loss) allocation. A calculation is prepared at each balance sheet date to determine the amount that unitholders would receive if the operating partnership were to liquidate all of its assets (at GAAP net book value) and distribute the resulting proceeds to its creditors and unitholders based on the contractually defined liquidation priorities. The difference between the calculated liquidation distribution amounts at the beginning and the end of the reporting period, after adjusting for capital contributions and distributions, is used to derive each unitholder's share of the income (loss) for the period. Due to the stated liquidation priorities and because the HLBV method incorporates non-cash items such as depreciation expense, in any given period, income or loss may be allocated disproportionately to unitholders as compared to their respective ownership percentage in the operating partnership, and net income (loss) attributable to National Storage Affiliates Trust could be more or less net income than actual cash distributions received and more or less income or loss than what may be received in the event of an actual liquidation. Additionally, the HLBV method could result in net income (or net loss) attributable to National Storage Affiliates Trust during a period when the Company reports consolidated net loss (or net income), or net income (or net loss) attributable to National Storage Affiliates Trust in excess of the Company's consolidated net income (or net loss). The computations of basic and diluted earnings (loss) per share may be materially affected by these disproportionate income (loss) allocations, resulting in volatile fluctuations of basic and diluted earnings (loss) per share.

Other Comprehensive Income (Loss)

The Company has cash flow hedge derivative instruments that are measured at fair value with unrealized gains or losses recognized in other comprehensive income (loss) with a corresponding adjustment to accumulated other comprehensive income (loss) within equity, as discussed further in Note 12. Under the HLBV method of allocating income (loss) discussed above, a calculation is prepared at each balance sheet date by applying the HLBV method including, and excluding, the assets and liabilities resulting from the Company's cash flow hedge derivative instruments to determine comprehensive income (loss) attributable to National Storage Affiliates Trust. As a result of the distribution rights and priorities set forth in the operating partnership's LP Agreement, in any given period, other comprehensive income (loss) may be allocated disproportionately to unitholders as compared to their respective ownership percentage in the operating partnership and as compared to their respective allocation of net income (loss).

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Restricted Cash

The Company's restricted cash consists of escrowed funds deposited with financial institutions for real estate taxes, insurance and other reserves for capital improvements in accordance with the Company's loan agreements.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Recent Accounting Pronouncements

In March 2020, the Financial Accounting Standards Board issued ASU 2020-04, Reference Rate Reform (Topic 848). ASU 2020-04 contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. During the six months ended June 30, 2020, the Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. The Company continues to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur. See Note 12 for additional detail about the Company's derivatives.

3. SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS

Shareholders' Equity

Internalization and Acquisition of PRO

As discussed in Note 1 and further below, on March 31, 2020, the Company closed on the previously announced mergers of SecurCare and DLAN with and into wholly-owned subsidiaries of the Company. In connection with the mergers, the Company issued 8,105,192 common shares to the owners of SecurCare and DLAN, which represented a 1% discount to an aggregate of 8,187,052 OP units that each of SecurCare and DLAN owned or was entitled to receive immediately prior to the mergers (after rounding up to the next whole number of common shares). Of the total number of common shares issued to the owners of SecurCare, 4,063,571 common shares were issued to Arlen Nordhagen, the Company's executive chairman and former chief executive officer, who owned approximately 53% of SecurCare's outstanding shares, and 1,858,737 common shares were issued to David Cramer, the Company's chief operating officer, who owned approximately 24% of SecurCare's outstanding shares. In connection with the mergers and the issuance of the Company's common shares to Mr. Nordhagen and Mr. Cramer, the Company formed a special committee of independent and disinterested trustees (the "Special Committee") to evaluate the merits and terms of the proposed transaction. In analyzing the proposed transaction, the Special Committee engaged an independent third party financial advisor to assist the Special Committee in analyzing and assessing the transaction, and to opine on the fairness to the Company of the consideration to be paid by the Company in the mergers. The Special Committee approved and recommended that the Company's board of trustees approve the proposed transaction. The transaction was approved unanimously by the disinterested trustees of the Company's board of trustees on February 19, 2020.

At the Market ("ATM") Program

On February 27, 2019, the Company entered into a sales agreement with certain sales agents, pursuant to which the Company may sell from time to time up to $250.0 million of the Company's common shares of beneficial interest, $0.01 par value per share ("common shares") and 6.000% Series A cumulative redeemable preferred shares of beneficial interest ("Series A preferred shares") in sales deemed to be "at the market" offerings. The sales agreement contemplates that, in addition to the issuance and sale by the Company of offered shares to or through the sale agents, the Company may enter into separate forward sale agreements with any forward purchaser. Forward sale agreements, if any, will include only the Company's common shares and will not include any Series A preferred shares. If the Company enters into a forward sale agreement with any forward purchaser, such forward purchaser will attempt to borrow from third parties and sell, through the related agent, acting as sales agent for such forward purchaser (each, a "forward seller"), offered shares, in an amount equal to the offered shares subject to such forward

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sale agreement, to hedge such forward purchaser’s exposure under such forward sale agreement. The Company may offer the common shares and Series A preferred shares through the agents, as the Company's sales agents, or, as applicable, as forward seller, or directly to the agents or forward sellers, acting as principals, by means of, among others, ordinary brokers’ transactions on the NYSE or otherwise at market prices prevailing at the time of sale or at negotiated prices.

During the six months ended June 30, 2020, the Company sold 512,000 of its common shares through the ATM program at an average offering price of $32.41 per share, resulting in net proceeds to the Company of approximately $16.2 million, after deducting compensation payable by the Company to such agents and offering expenses.

Noncontrolling Interests

All of the OP equity in the Company's operating partnership not held by the Company are reflected as noncontrolling interests. Noncontrolling interests also include ownership interests in DownREIT partnerships held by entities other than the Company's operating partnership. NSA is the general partner of its operating partnership and is authorized to cause its operating partnership to issue additional partner interests, including OP units and subordinated performance units, at such prices and on such other terms as it determines in its sole discretion.

As of June 30, 2020 and December 31, 2019, units reflecting noncontrolling interests consisted of the following:

	June 30, 2020	December 31, 2019
Series A-1 preferred units	637,382	642,982
OP units	29,714,696	30,188,305
Subordinated performance units	8,715,751	11,014,195
LTIP units	765,840	743,566
DownREIT units
DownREIT OP units	1,924,918	1,848,261
DownREIT subordinated performance units	4,337,111	4,371,622
Total	46,095,698	48,808,931

Series A-1 Preferred Units

The 6.000% Series A-1 Cumulative Redeemable Preferred Units ("Series A-1 preferred units") rank senior to OP units and subordinated performance units in the Company's operating partnership with respect to distributions and liquidation. The Series A-1 preferred units have a stated value of $25.00 per unit and receive distributions at an annual rate of 6.000%. These distributions are cumulative. The Series A-1 preferred units are redeemable at the option of the holder after the first anniversary of the date of issuance, which redemption obligations may be satisfied at the Company’s option in cash in an amount equal to the market value of an equivalent number of the Series A preferred shares or the issuance of Series A preferred shares on a one-for-one basis, subject to adjustments. The Series A preferred shares are redeemable by the Company for a cash redemption price of $25.00 per share, plus accrued but unpaid dividends. The decrease in Series A-1 preferred units outstanding from December 31, 2019 to June 30, 2020 was due to the redemption of 5,600 Series A-1 preferred units for Series A preferred shares.

OP Units and DownREIT OP units

OP units in the Company's operating partnership are redeemable for cash or, at the Company's option, exchangeable for the Company's common shares on a one-for-one basis, and DownREIT OP units are redeemable for cash or, at the Company's option, exchangeable for OP units in its operating partnership on a one-for-one basis, subject to certain adjustments in each case. The holders of OP units are generally not entitled to elect redemption until one year after the issuance of the OP units. The holders of DownREIT OP units are generally not entitled to elect redemption until five years after the date of the contributor's initial contribution.

The decrease in OP units outstanding from December 31, 2019 to June 30, 2020 was due to the redemption of 411,252 OP units for common shares and the exchange of 368,500 DownREIT OP units in redemption of an equivalent number of outstanding OP units, which were subsequently retired by the operating partnership, offset by the following: 445,701 OP units issued upon the conversion of 332,738 subordinated performance units (as discussed further below), 356,392 OP units issued in connection with the acquisition of self storage properties and 214,512 LTIP units which were converted into an equivalent number of OP units. In addition, in connection with the completion of the SecurCare and DLAN mergers, the Company's operating partnership retired 710,462 OP Units.

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The increase in DownREIT OP units outstanding from December 31, 2019 to June 30, 2020 was due to the exchange of 368,500 DownREIT OP units held by the operating partnership in redemption of an equivalent number of outstanding OP Units, which were subsequently retired by the operating partnership, and the issuance of 115,888 DownREIT OP units related to the conversion of 34,511 DownREIT subordinated performance units (as discussed further below) partially offset by the contribution of 407,731 DownREIT OP units (which were previously included in the above table because they were not held by the Company) to the operating partnership in connection with the SecurCare and DLAN mergers.

Subordinated Performance Units and DownREIT Subordinated Performance Units

Subordinated performance units may also, under certain circumstances, be convertible into OP units which are exchangeable for common shares as described above, and DownREIT subordinated performance units may, under certain circumstances, be exchangeable for subordinated performance units on a one-for-one basis. Subordinated performance units are only convertible into OP units after a two year lock-out period and then generally (i) at the holder’s election only upon the achievement of certain performance thresholds relating to the properties to which such subordinated performance units relate or (ii) at the Company's election upon a retirement event of a PRO that holds such subordinated performance units or upon certain qualifying terminations. The holders of DownREIT subordinated performance units are generally not entitled to elect redemption until at least five years after the date of the contributor's initial contribution.

Following such lock-out period, a holder of subordinated performance units in the Company's operating partnership may elect a voluntary conversion one time each year on or prior to December 1st to convert a pre-determined portion of such subordinated performance units into OP units in the Company's operating partnership, with such conversion effective January 1st of the following year, with each subordinated performance unit being converted into the number of OP units determined by dividing the average cash available for distribution, or CAD, per unit on the series of specific subordinated performance units over the one-year period prior to conversion by 110% of the CAD per unit on the OP units determined over the same period. CAD per unit on the series of specific subordinated performance units and OP units is determined by the Company based generally upon the application of the provisions of the LP Agreement applicable to the distributions of operating cash flow and capital transactions proceeds.

The decrease in subordinated performance units outstanding from December 31, 2019 to June 30, 2020 was due to the retirement of 2,001,441 subordinated performance units in connection with the SecurCare merger and the voluntary conversion of 332,738 subordinated performance units into 445,701 OP units, partially offset by the issuance of 35,735 subordinated performance units for co-investment by the Company's PROs in connection with the acquisition of self storage properties.

The decrease in DownREIT subordinated performance units outstanding from December 31, 2019 to June 30, 2020 was due to the conversion of 34,511 DownREIT subordinated performance units into 115,888 DownREIT OP units.

LTIP Units

LTIP units are a special class of partnership interest in the Company's operating partnership that allow the holder to participate in the ordinary and liquidating distributions received by holders of the OP units (subject to the achievement of specified levels of profitability by the Company's operating partnership or the achievement of certain events). LTIP units may also, under certain circumstances, be convertible into OP units on a one-for-one basis, which are then exchangeable for common shares as described above.

The increase in LTIP units outstanding from December 31, 2019 to June 30, 2020 was due to the conversion of 214,512 LTIP units into an equivalent number of OP units partially offset by the issuance of 236,786 compensatory LTIP units to employees, trustees and consultants, net of forfeitures.

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4. SELF STORAGE PROPERTIES

Self storage properties are summarized as follows (dollars in thousands):

	June 30, 2020		December 31, 2019
Land	$	687,330	$	649,938
Buildings and improvements	2,659,837		2,435,171
Furniture and equipment	7,287		6,610
Total self storage properties	3,354,454		3,091,719
Less accumulated depreciation	(389,828)		(337,822)
Self storage properties, net	$	2,964,626	$	2,753,897

Depreciation expense related to self storage properties amounted to $26.3 million and $22.7 million during the three months ended June 30, 2020 and 2019, respectively, and $52.0 million and $44.2 million during the six months ended June 30, 2020 and 2019, respectively.

5. INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES

2018 Joint Venture

As of June 30, 2020, the Company's unconsolidated real estate venture, formed in September 2018 with an affiliate of Heitman America Real Estate REIT LLC (the "2018 Joint Venture"), owned and operated a portfolio of 103 self storage properties containing approximately 7.7 million rentable square feet, configured in approximately 64,000 storage units and located across 17 states.

2016 Joint Venture

As of June 30, 2020, the Company's unconsolidated real estate venture, formed in September 2016 with a state pension fund advised by Heitman Capital Management LLC (the "2016 Joint Venture"), owned and operated a portfolio of 74 properties containing approximately 4.9 million rentable square feet, configured in approximately 40,000 storage units and located across 13 states.

The 2016 Joint Venture acquired two self storage properties for $12.1 million during the six months ended June 30, 2020. The 2016 Joint Venture financed these acquisitions with capital contributions from the 2016 Joint Venture members, of which the Company contributed $3.1 million for its 25% proportionate share.

The following table presents the combined condensed financial position of the Company's unconsolidated real estate ventures as of June 30, 2020 and December 31, 2019 (in thousands):

	June 30, 2020		December 31, 2019
ASSETS
Self storage properties, net	$	1,818,225	$	1,835,235
Other assets	23,945		22,413
Total assets	$	1,842,170	$	1,857,648
LIABILITIES AND EQUITY
Debt financing	$	989,601	$	989,182
Other liabilities	20,386		20,487
Equity	832,183		847,979
Total liabilities and equity	$	1,842,170	$	1,857,648

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The following tables present the combined condensed operating information of the Company's unconsolidated real estate ventures for the three and six months ended June 30, 2020 and 2019 (in thousands):

	Three Months Ended June 30,
	2020		2019
Total revenue	$	39,730	$	40,858
Property operating expenses	11,371		12,544
Net operating income	28,359		28,314
Supervisory, administrative and other expenses	(2,640)		(2,706)
Depreciation and amortization	(15,245)		(21,888)
Interest expense	(10,300)		(9,941)
Acquisition and other expenses	(20)		(419)
Net income (loss)	$	154	$	(6,640)

	Six Months Ended June 30,
	2020		2019
Total revenue	$	79,968	$	80,653
Property operating expenses	24,549		25,088
Net operating income	55,419		55,565
Supervisory, administrative and other expenses	(5,309)		(5,359)
Depreciation and amortization	(30,391)		(43,714)
Interest expense	(20,564)		(19,961)
Loss on sale of self storage properties	—		(806)
Acquisition and other expenses	(419)		(827)
Net loss	$	(1,264)	$	(15,102)

6. ACQUISITIONS

Self Storage Property Acquisitions

The Company acquired 40 self storage properties with an estimated fair value of $259.0 million during the six months ended June 30, 2020. Of these acquisitions, three self storage properties with an estimated fair value of $25.1 million were acquired by the Company from its PROs. The 40 self storage property acquisitions were accounted for as asset acquisitions and accordingly, $4.2 million of transaction costs related to the acquisitions were capitalized as part of the basis of the acquired properties. The Company recognized the estimated fair value of the acquired assets and assumed liabilities on the respective dates of such acquisitions. The Company allocated the total purchase price to the estimated fair value of tangible and intangible assets acquired and liabilities assumed. The Company allocated a portion of the purchase price to identifiable intangible assets consisting of customer in-place leases which were recorded at estimated fair value of $5.3 million, resulting in a total fair value of $253.7 million allocated to real estate.

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The following table summarizes the investment in self storage property acquisitions completed by the Company during the six months ended June 30, 2020 (dollars in thousands):

Acquisitions Closed During the Three Months Ended:	Number of Properties	Summary of Investment
		Cash and Acquisition Costs		Value of OP Equity(1)		Other Liabilities		Total
March 31, 2020	36	$	214,584	$	7,217	$	972	$	222,773
June 30, 2020	4	30,198		5,842		207		36,247
Total	40	$	244,782	$	13,059	$	1,179	$	259,020

^{(1)Value of OP equity represents the fair value of LTIP units, OP units and subordinated performance units.}

Acquisition of PRO Management Company

As discussed in Note 1 and Note 3, on March 31, 2020, the Company closed on the previously announced mergers of SecurCare and DLAN with and into wholly-owned subsidiaries of the Company. The mergers were accounted for as a business combination whereby the Company acquired additional interests in its operating partnership and DownREIT partnerships. Accordingly, this portion of the transaction was accounted for as a change in ownership of a consolidated subsidiary, resulting in a reduction to noncontrolling interests equal to the net book value of the acquired subsidiary interests.

In connection with the mergers, SecurCare's property management platform and related intellectual property were internalized by the Company. Under the terms of the Company's facilities portfolio management agreement with SecurCare, in connection with a retirement event leading to the internalization of SecurCare's property management platform, SecurCare was entitled to receive OP units in exchange for its property management platform and related intellectual property based on a contractual formula. Using this formula, the Company determined that SecurCare was entitled to receive an equivalent of 348,020 OP units totaling $10.3 million, based on the acquisition date closing price of the Company's common shares. The Company allocated the total purchase price to the estimated fair value of tangible and intangible assets acquired, and liabilities assumed. The Company allocated a portion of the purchase price to tangible fixed assets of $0.1 million and intangible assets consisting of a management contract with an estimated fair value of $4.6 million and the SecurCare trade name with an estimated fair value of $3.2 million. The excess of the aggregate consideration paid over the identified assets acquired and liabilities assumed, equal to $2.4 million, was allocated to goodwill. The tangible and intangible assets related to the internalization are reported in other assets, net in the Company's condensed consolidated balance sheets.

The Company’s fair value measurements were based, in part, on valuations prepared by an independent valuation firm and the allocation of the purchase price required a significant amount of judgment. The Company measured the fair value of the management contract asset based on discounted future cash flows expected under the management contract from a market participant perspective. The management contract asset will be charged to amortization expense on a straight-line basis over 15 years, which represents the time period over which the majority of value was attributed in the Company’s discounted cash flow model. The Company measured the fair value of the trade name, which has an indefinite life and is not amortized, using the relief from royalty method.

The allocation of the purchase price requires judgment and was based on the Company's valuations, estimates and assumptions of the acquisition date fair value of the tangible and intangible assets acquired and liabilities assumed.

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7. OTHER ASSETS

Other assets consist of the following (dollars in thousands):

	June 30, 2020		December 31, 2019
Customer in-place leases, net of accumulated amortization of $3,336 and $7,267, respectively	$	3,751	$	3,704
Receivables:
Trade, net	2,776		2,809
PROs and other affiliates	1,476		2,773
Receivables from unconsolidated real estate ventures	4,385		4,765
Property acquisition and other deposits	294		4,438
Interest rate swaps	—		980
Equity securities	—		7,703
Prepaid expenses and other	5,190		4,762
Corporate furniture, equipment and other, net	1,998		1,925
Trade names	6,380		3,200
Management contracts, net of accumulated amortization of $2,715 and $2,274, respectively	12,505		8,349
Tenant reinsurance intangible, net of accumulated amortization of $610 and $317, respectively	13,990		14,283
Goodwill	8,182		5,750
Total	$	60,927	$	65,441

Amortization expense related to customer in-place leases amounted to $2.4 million and $2.8 million for the three months ended June 30, 2020 and 2019, respectively, and $5.3 million and $5.3 million during the six months ended June 30, 2020 and 2019, respectively. Amortization expense related to management contracts amounted to $0.3 million and $0.2 million for the three months ended June 30, 2020 and 2019, respectively, and $0.5 million and $0.4 million during the six months ended June 30, 2020 and 2019, respectively. Amortization expense related to the tenant reinsurance intangible amounted to $0.1 million and less than $0.1 million for the three months ended June 30, 2020 and 2019, respectively, and $0.2 million and less than $0.1 million during the six months ended June 30, 2020 and 2019, respectively.

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8. DEBT FINANCING

The Company's outstanding debt as of June 30, 2020 and December 31, 2019 is summarized as follows (dollars in thousands):

	Interest Rate(1)	June 30, 2020		December 31, 2019
Credit Facility:
Revolving line of credit	1.46%	$	211,000	$	—
Term loan A	3.74%	125,000		125,000
Term loan B	2.91%	250,000		250,000
Term loan C	2.80%	225,000		225,000
Term loan D	3.57%	175,000		175,000
2023 Term loan facility	2.83%	175,000		175,000
2028 Term loan facility	4.62%	75,000		75,000
2029 Term loan facility	4.27%	100,000		100,000
2029 Senior Unsecured Notes	3.98%	100,000		100,000
2031 Senior Unsecured Notes	4.08%	50,000		50,000
Fixed rate mortgages payable	4.18%	260,349		264,260
Total principal		1,746,349		1,539,260
Unamortized debt issuance costs and debt premium, net		(4,805)		(5,213)
Total debt		$	1,741,544	$	1,534,047

^{(1)Represents the effective interest rate as of June 30, 2020. Effective interest rate incorporates the stated rate plus the impact of interest rate cash flow hedges and discount and premium amortization, if applicable. For the revolving line of credit, the effective interest rate excludes fees for unused borrowings.}

As of June 30, 2020, the Company's unsecured credit facility provided for total borrowings of $1.275 billion (the "credit facility"). The credit facility consists of the following components: (i) a revolving line of credit (the "Revolver") which provides for a total borrowing commitment up to $500.0 million, under which the Company may borrow, repay and re-borrow amounts, (ii) a $125.0 million tranche A term loan facility (the "Term Loan A"), (iii) a $250.0 million tranche B term loan facility (the "Term Loan B"), (iv) a $225.0 million tranche C term loan facility (the "Term Loan C"), and (v) a $175.0 million tranche D term loan facility (the "Term Loan D"). As of June 30, 2020, the Company had an expansion option under the credit facility, which, if exercised in full, would provide for a total credit facility of $1.750 billion.

As of June 30, 2020, the Company had outstanding letters of credit totaling $5.7 million and would have had the capacity to borrow remaining Revolver commitments of $283.3 million while remaining in compliance with the credit facility's financial covenants. At June 30, 2020, the Company was in compliance with all such covenants.

For a summary of the Company's financial covenants and additional detail regarding the Company's credit facility, 2023 Term Loan Facility, 2028 Term Loan Facility, 2029 Term Loan Facility, 2029 Senior Unsecured Notes, 2031 Senior Unsecured Notes and fixed rate mortgages payable, please see Note 8 to the Company's most recent Annual Report on Form 10-K for the year ended December 31, 2019 filed with the SEC.

2030 And 2032 Senior Unsecured Notes

As discussed in Note 14, on August 4, 2020, the Company's operating partnership entered into an agreement to issue $150.0 million of 2.99% senior unsecured notes due August 5, 2030 and $100.0 million of 3.09% senior unsecured notes due August 5, 2032 in a private placement to certain institutional investors.

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Future Debt Obligations

Based on existing debt agreements in effect as of June 30, 2020, the scheduled principal and maturity payments for the Company's outstanding borrowings are presented in the table below (in thousands):

Year Ending December 31,	Scheduled Principal and Maturity Payments		Amortization of Premium and Unamortized Debt Issuance Costs		Total
Remainder of 2020	$	36,736	$	(749)	$	35,987
2021	7,603		(1,510)		6,093
2022	4,205		(1,512)		2,693
2023	377,049		(1,159)		375,890
2024	482,964		(790)		482,174
2025	227,185		(218)		226,967
Thereafter	610,607		1,133		611,740
	$	1,746,349	$	(4,805)	$	1,741,544

9. EARNINGS PER SHARE

The following table sets forth the computation of basic and diluted earnings (loss) per common share for the three and six months ended June 30, 2020 and 2019 (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Earnings (loss) per common share - basic and diluted
Numerator
Net income	$	17,787	$	17,733	$	33,550	$	30,673
Net income attributable to noncontrolling interests	(7,365)		(25,389)		(16,480)		(30,918)
Net income (loss) attributable to National Storage Affiliates Trust	10,422		(7,656)		17,070		(245)
Distributions to preferred shareholders	(3,274)		(3,257)		(6,547)		(5,845)
Distributed and undistributed earnings allocated to participating securities	(11)		(9)		(23)		(18)
Net income (loss) attributable to common shareholders - basic and diluted	$	7,137	$	(10,922)	$	10,500	$	(6,108)
Denominator
Weighted average shares outstanding - basic and diluted	68,210		57,543		64,004		57,101
Earnings (loss) per share - basic and diluted	$	0.10	$	(0.19)	$	0.16	$	(0.11)

As discussed in Note 2, the Company allocates GAAP income (loss) utilizing the HLBV method, in which the Company allocates income or loss based on the change in each unitholders' claim on the net assets of its operating partnership at period end after adjusting for any distributions or contributions made during such period. Due to the stated liquidation priorities and because the HLBV method incorporates non-cash items such as depreciation expense, in any given period, income or loss may be allocated disproportionately to National Storage Affiliates Trust and noncontrolling interests, resulting in volatile fluctuations of basic and diluted earnings (loss) per share.

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Outstanding equity interests of the Company's operating partnership and DownREIT partnerships are considered potential common shares for purposes of calculating diluted earnings (loss) per share as the unitholders may, through the exercise of redemption rights, obtain common shares, subject to various restrictions. Basic earnings per share is calculated based on the weighted average number of common shares outstanding during the period. Diluted earnings per share is calculated by further adjusting for the dilutive impact using the treasury stock method for unvested LTIP units subject to a service condition outstanding during the period and the if-converted method for any convertible securities outstanding during the period.

Generally, following certain lock-out periods, OP units in the Company's operating partnership are redeemable for cash or, at the Company's option, exchangeable for common shares on a one-for-one basis, subject to certain adjustments and DownREIT OP units are redeemable for cash or, at the Company's option, exchangeable for OP units in its operating partnership on a one-for-one basis, subject to certain adjustments in each case.

LTIP units may also, under certain circumstances, be convertible into OP units on a one-for-one basis, which are then exchangeable for common shares as described above. Certain LTIP units vested prior to or upon the completion of the Company's initial public offering and certain LTIP units have vested upon the satisfaction of a service condition or will vest upon the satisfaction of future service and market conditions. Vested LTIP units and unvested LTIP units that vest based on a service or market condition are allocated income or loss in a similar manner as OP units. Unvested LTIP units subject to a service or market condition are evaluated for dilution using the treasury stock method. For the three and six months ended June 30, 2020, 420,280 unvested LTIP units that vest based on a service or market condition are excluded from the calculation of diluted earnings (loss) per share as they are not dilutive to earnings (loss) per share. In addition, certain LTIP units vest upon the future acquisition of properties sourced by PROs or the completion of expansion projects. For the three and six months ended June 30, 2020, 252,894 unvested LTIP units that vest upon the future acquisition of properties, or the completion of expansion projects, are excluded from the calculation of diluted earnings (loss) per share because the contingency for the units to vest has not been attained as of the end of the reported periods.

Subordinated performance units may also, under certain circumstances, be convertible into OP units which are exchangeable for common shares as described above, and DownREIT subordinated performance units may, under certain circumstances, be exchangeable for subordinated performance units on a one-for-one basis. Subordinated performance units are only convertible into OP units, after a two year lock-out period and then generally (i) at the holder’s election only upon the achievement of certain performance thresholds relating to the properties to which such subordinated performance units relate or (ii) at the Company's election upon a retirement event of a PRO that holds such subordinated performance units or upon certain qualifying terminations. Although subordinated performance units may only be convertible after a two year lock-out period, the Company assumes a hypothetical conversion of each subordinated performance unit (including each DownREIT subordinated performance unit) into OP units (with subsequently assumed redemption into common shares) for the purposes of calculating diluted weighted average common shares. This hypothetical conversion is calculated using historical financial information, and as a result, is not necessarily indicative of the results of operations, cash flows or financial position of the Company upon expiration of the two-year lock out period on conversions.

For the three months ended June 30, 2020 and 2019, potential common shares totaling 46.9 million and 54.0 million, respectively, related to OP units, DownREIT OP units, subordinated performance units, DownREIT subordinated performance units and vested LTIP units have been excluded from the calculation of diluted earnings (loss) per share as they are not dilutive to earnings (loss) per share. For the six months ended June 30, 2020 and 2019, potential common shares totaling 49.0 million and 53.2 million, respectively, related to OP units, DownREIT OP units, subordinated performance units, DownREIT subordinated performance units and vested LTIP units have been excluded from the calculation of diluted earnings (loss) per share as they are not dilutive to earnings (loss) per share.

Participating securities, which consist of unvested restricted common shares, receive dividends equal to those received by common shares. The effect of participating securities for the periods presented above is calculated using the two-class method of allocating distributed and undistributed earnings.

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10. RELATED PARTY TRANSACTIONS

Supervisory and Administrative Fees

For the self storage properties that are managed by the PROs, the Company has entered into asset management agreements with the PROs to provide leasing, operating, supervisory and administrative services. The asset management agreements generally provide for fees ranging from 5% to 6% of gross revenue for the managed self storage properties. During the three months ended June 30, 2020 and 2019, the Company incurred $3.5 million and $4.9 million, respectively, for supervisory and administrative fees to the PROs and during the six months ended June 30, 2020 and 2019, the Company incurred $8.8 million and $9.6 million, respectively, for supervisory and administrative fees to the PROs. Such fees are included in general and administrative expenses in the accompanying condensed consolidated statements of operations.

Payroll Services

For the self storage properties that are managed by the PROs, the employees responsible for operations are employees of the PROs who charge the Company for the costs associated with the respective employees. For the three months ended June 30, 2020 and 2019, the Company incurred $5.5 million and $7.9 million, respectively, for payroll and related costs reimbursable to these PROs and for the six months ended June 30, 2020 and 2019, the Company incurred $14.3 million and $15.7 million, respectively, for payroll and related costs reimbursable to these PROs. Such costs are included in property operating expenses in the accompanying condensed consolidated statements of operations.

Due Diligence Costs

During the three months ended June 30, 2020 and 2019, the Company incurred less than $0.1 million and $0.3 million, respectively, of expenses payable to certain PROs related to self storage property acquisitions sourced by the PROs and during the six months ended June 30, 2020 and 2019, the Company incurred $0.2 million and $0.6 million, respectively, of expenses payable to certain PROs related to self storage property acquisitions sourced by the PROs. These expenses, which are based on the volume of transactions sourced by the PROs, are intended to reimburse the PROs for due diligence costs incurred in the sourcing and underwriting process. These due diligence costs are capitalized as part of the basis of the acquired self storage properties.

Self Storage Property Acquisitions

During the six months ended June 30, 2020, the Company acquired one self storage property for $7.5 million from an entity that was partially owned by Arlen Nordhagen, the Company's executive chairman and former chief executive officer, and David Cramer, the Company's chief operating officer. Of the total consideration paid, Mr. Nordhagen's and Mr. Cramer's interest was approximately 58,376 OP Units with a value of $1.5 million and 29,689 OP Units with a value $0.7 million, respectively.

During the six months ended June 30, 2020, the Company acquired one self storage property for $6.6 million from a company in which an entity controlled by J. Timothy Warren, a trustee of the Company, was an investor. Mr. Warren's adult childern held an ownership interest in such entity. Of the total consideration paid, the interest of Mr. Warren's children was approximately 15,512 OP Units with a value of $0.4 million.

11. COMMITMENTS AND CONTINGENCIES

Legal Proceedings

The Company is subject to litigation, claims, and assessments that may arise in the ordinary course of its business activities. Such matters include contractual matters, employment related issues, and regulatory proceedings. Although occasional adverse decisions or settlements may occur, the Company believes that the final disposition of such matters will not have a material adverse effect on the Company's financial position, results of operations, or liquidity.

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12. FAIR VALUE MEASUREMENTS

Recurring Fair Value Measurements

The Company sometimes limits its exposure to interest rate fluctuations by entering into interest rate swap agreements. The interest rate swap agreements moderate the Company's exposure to interest rate risk by effectively converting the interest on variable rate debt to a fixed rate. The Company measures its interest rate swap derivatives at fair value on a recurring basis. The changes in the fair value of derivatives designated and that qualify as cash flow hedges are recorded in accumulated other comprehensive income (loss) and are subsequently reclassified into earnings in the period that the hedged transaction affects earnings.

Information regarding the Company's interest rate swaps measured at fair value, which are classified within Level 2 of the GAAP fair value hierarchy, is presented below (dollars in thousands):

Fair value at December 31, 2018	$	14,195
Gains on interest rate swaps reclassified into interest expense from accumulated other comprehensive (loss) income	(2,553)
Unrealized losses on interest rate swaps included in accumulated other comprehensive (loss) income	(27,114)
Fair value at June 30, 2019	$	(15,472)
Fair value at December 31, 2019	$	(19,083)
Losses on interest rate swaps reclassified into interest expense from accumulated other comprehensive (loss) income	4,546
Unrealized losses on interest rate swaps included in accumulated other comprehensive (loss) income	(76,792)
Fair value at June 30, 2020	$	(91,329)

As of June 30, 2020 and December 31, 2019, the Company had outstanding interest rate swaps with aggregate notional amounts of $1,125.0 million and $1,125.0 million, respectively, designated as cash flow hedges. As of June 30, 2020, the Company's swaps had a weighted average remaining term of approximately 3.8 years. The fair value of these swaps are presented as interest rate swap liabilities in the Company's balance sheets, and the Company recognizes any changes in the fair value as an adjustment of accumulated other comprehensive income (loss) within equity. If the forward rates at June 30, 2020 remain constant, the Company estimates that during the next 12 months, the Company would reclassify into earnings approximately $19.8 million of the unrealized losses included in accumulated other comprehensive income (loss). If market interest rates increase above the 1.90% weighted average fixed rate under these interest rate swaps, the Company will benefit from net cash payments due from its counterparties to the interest rate swaps.

There were no transfers between levels of the three-tier fair value measurement hierarchy during the six months ended June 30, 2020 and 2019. For financial assets and liabilities that utilize Level 2 inputs, the Company utilizes both direct and indirect observable price quotes, including LIBOR yield curves. The Company uses valuation techniques for Level 2 financial assets and liabilities which include LIBOR yield curves at the reporting date as well as assessing counterparty credit risk. Counterparties to these contracts are highly rated financial institutions. Although the Company has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with the Company's derivatives utilize Level 3 inputs, such as estimates of current credit spreads, to evaluate the likelihood of default by the Company and the counterparties. As of June 30, 2020, the Company determined that the effect of credit valuation adjustments on the overall valuation of its derivative positions are not significant to the overall valuation of its derivatives. Therefore, the Company has determined that its derivative valuations are appropriately classified in Level 2 of the fair value hierarchy.

Fair Value Disclosures

The carrying values of cash and cash equivalents, restricted cash, trade receivables, and accounts payable and accrued liabilities reflected in the balance sheets at June 30, 2020 and December 31, 2019, approximate fair value due to the short term nature of these financial assets and liabilities. The carrying value of variable rate debt financing reflected in the balance sheets at June 30, 2020 and December 31, 2019 approximates fair value as the changes in

27

their associated interest rates reflect the current market and credit risk is similar to when the loans were originally obtained.

The combined principal balance of the Company's fixed rate mortgages payable was approximately $260.3 million as of June 30, 2020 with a fair value of approximately $284.7 million (categorized within Level 2 of the fair value hierarchy). In determining the fair value, the Company estimated a weighted average market interest rate of approximately 2.50%, compared to the weighted average contractual interest rate of 4.83%. The combined principal balance of the Company's fixed rate mortgages was approximately $264.3 million as of December 31, 2019 with a fair value of approximately $280.9 million. In determining the fair value as of December 31, 2019, the Company estimated a weighted average market interest rate of approximately 3.28%, compared to the weighted average contractual interest rate of 4.81%.

13. LEASES

The Company determines if a contractual arrangement is a lease at inception. As a lessee, the Company has non-cancelable lease agreements for real estate and its corporate office space that are classified as operating leases. The Company's operating leases are included in operating lease right-of-use ("ROU") assets and operating lease liabilities in its condensed consolidated balance sheets. Operating lease ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. As the Company's operating leases do not provide an implicit rate, the Company used its incremental borrowing rate based on the information available at commencement date in determining the discount rate for the present value of the lease payments. To the extent that the lease agreements provide for fixed increases throughout the term of the lease, the Company recognizes lease expense on a straight-line basis over the expected lease terms.

Real Estate Leasehold Interests

The Company has eight properties that are subject to non-cancelable leasehold interest agreements with remaining lease terms ranging from 14 to 72 years, inclusive of extension options that the Company anticipates exercising. Rent expense under these leasehold interest agreements is included in property operating expenses in the accompanying condensed consolidated statements of operations and amounted to $0.5 million and $0.4 million for the three months ended June 30, 2020 and 2019, respectively, and $0.9 million and $0.8 million for the six months ended June 30, 2020 and 2019, respectively.

Office Leases

The Company has entered into non-cancelable lease agreements for its corporate office space with remaining lease terms ranging from two to nine years. Rent expense related to these office leases is included in general and administrative expenses in the accompanying condensed consolidated statements of operations and amounted to $0.1 million and $0.1 million for the three months ended June 30, 2020 and 2019, respectively, and $0.2 million and $0.2 million for the six months ended June 30, 2020 and 2019, respectively.

The weighted-average remaining lease term and the weighted-average discount rate for the Company's operating leases as of June 30, 2020 are as follows:

	June 30, 2020
Weighted-average remaining lease term
Real estate leasehold interests	28 years
Office leases	7 years
Weighted-average remaining discount rate
Real estate leasehold interests	4.9	%
Office leases	3.8	%

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As of June 30, 2020, the future minimum lease payments under the Company's operating leases, for which the Company is a lessee, are as follows (in thousands):

Year Ending December 31,	Real Estate Leasehold Interests		Office Leases		Total
Remainder of 2020	$	715	$	205	$	920
2021	1,444		471		1,915
2022	1,459		465		1,924
2023	1,464		430		1,894
2024	1,470		450		1,920
2025 through 2092	36,728		1,080		37,808
Total lease payments	$	43,280	$	3,101	$	46,381
Less imputed interest	(20,905)		(381)		(21,286)
Total	$	22,375	$	2,720	$	25,095

As of December 31, 2019, the future minimum lease payments under the Company's operating leases, for which the Company is a lessee, are as follows (in thousands):

Year Ending December 31,	Real Estate Leasehold Interests		Office Leases		Total
2020	$	1,419	$	286	$	1,705
2021	1,444		387		1,831
2022	1,459		381		1,840
2023	1,464		346		1,810
2024	1,470		353		1,823
2025 through 2092	36,728		691		37,419
Total lease payments	$	43,984	$	2,444	$	46,428
Less imputed interest	(21,440)		(323)		(21,763)
Total	$	22,544	$	2,121	$	24,665

14. SUBSEQUENT EVENTS

2030 And 2032 Senior Unsecured Notes

On August 4, 2020, the operating partnership as issuer, and the Company, entered into a Note Purchase Agreement (the "Note Purchase Agreement") which provides for the private placement of $150.0 million of 2.99% senior unsecured notes due August 5, 2030 (the "2030 Notes") and $100.0 million of 3.09% senior unsecured notes due August 5, 2032 (the "2032 Notes" and together with the 2030 Notes the "Senior Unsecured Notes") to certain institutional investors. The Senior Unsecured Notes are governed by the Note Purchase Agreement and the sale and purchase of the Senior Unsecured Notes is expected to occur on or before October 22, 2020, subject to customary closing conditions. The Company plans to use the proceeds to repay outstanding amounts on its revolving line of credit and for general corporate purposes.

Interest is expected to be payable semiannually, on August 30th and February 28th of each year, commencing on February 28, 2021. The Senior Unsecured Notes will be senior unsecured obligations of the Company and will be jointly and severally guaranteed by certain of the Company's subsidiaries, as subsidiary guarantors, upon issuance. The Senior Unsecured Notes are expected to rank pari passu with the credit facility, 2023 Term Loan Facility, 2028 Term Loan Facility, 2029 Term Loan Facility, 2029 Senior Unsecured Notes and 2031 Senior Unsecured Notes. The Note Purchase Agreement contains financial covenants that are substantially similar to those of the Company's credit facility. In addition, the terms of the Note Purchase Agreement contain customary affirmative and negative covenants that, among other things, limit the Company's ability to make distributions or certain investments, incur debt, incur liens and enter into certain transactions.

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ITEM 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

Forward-Looking Statements

We make forward-looking statements in this report that are subject to risks and uncertainties. These forward-looking statements include information about possible or assumed future results of our business, financial condition, liquidity, results of operations, plans and objectives. When we use the words "believe," "expect," "anticipate," "estimate," "plan," "continue," "intend," "should," "may," or similar expressions, we intend to identify forward-looking statements.

The forward-looking statements contained in this report reflect our current views about future events and are subject to numerous known and unknown risks, uncertainties, assumptions, and changes in circumstances that may cause our actual results to differ significantly from those expressed in any forward-looking statement. One of the most significant factors is the ongoing and potential impact of the current outbreak of COVID-19 on the economy, the self storage industry and the broader financial markets, which may have a significant negative impact on the Company's financial condition, results of operations and cash flows. The Company is unable to predict whether the continuing effects of the COVID-19 pandemic will trigger a further economic slowdown or a recession and to what extent the Company will experience disruptions related to the COVID-19 pandemic in the third quarter or thereafter. The current outbreak of COVID-19 has also impacted, and is likely to continue to impact, directly or indirectly, many of the other important factors below and the risks described in the Company's Annual Report on Form 10-K for the year ended December 31, 2019 filed with the SEC on February 26, 2020 (the "Annual Report"), the risk factor set forth in this quarterly report under Item 1A below, and the Company's subsequent filings under the Exchange Act.

Statements regarding the following subjects, among others, may be forward-looking:

•market trends in our industry, interest rates, the debt and lending markets or the general economy;

•our business and investment strategy;

•the acquisition of properties, including those under contract, and the ability of our acquisitions to achieve underwritten capitalization rates and our ability to execute on our acquisition pipeline;

•the timing of acquisitions;

•the internalization of retiring PROs into the Company;

•our relationships with, and our ability and timing to attract additional, PROs;

•our ability to effectively align the interests of our PROs with us and our shareholders;

•the integration of our PROs and their managed portfolios into the Company, including into our financial and operational reporting infrastructure and internal control framework;

•our operating performance and projected operating results, including our ability to achieve market rents and occupancy levels, reduce operating expenditures and increase the sale of ancillary products and services;

•our ability to access additional off-market acquisitions;

•actions and initiatives of the U.S. federal, state and local government and changes to U.S. federal, state and local government policies and the execution and impact of these actions, initiatives and policies;

•the state of the U.S. economy generally or in specific geographic regions, states, territories or municipalities;

•economic trends and economic recoveries;

•our ability to obtain and maintain financing arrangements on favorable terms;

•general volatility of the securities markets in which we participate;

•the negative impacts from the continued spread of COVID-19 on the economy, the self storage industry, the broader financial markets, the Company's financial condition, results of operations and cash flows and the ability of the Company's tenants to pay rent;

•changes in the value of our assets;

•projected capital expenditures;

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•the impact of technology on our products, operations, and business;

•the implementation of our technology and best practices programs (including our ability to effectively implement our integrated Internet marketing strategy);

•changes in interest rates and the degree to which our hedging strategies may or may not protect us from interest rate volatility;

•impact of and changes in governmental regulations, tax law and rates, accounting guidance and similar matters;

•our ability to continue to qualify and maintain our qualification as a REIT for U.S. federal income tax purposes;

•availability of qualified personnel;

•the timing of conversions of subordinated performance units in our operating partnership and subsidiaries of our operating partnership into OP units in our operating partnership, the conversion ratio in effect at such time and the impact of such convertibility on our diluted earnings (loss) per share;

•the risks of investing through joint ventures, including whether the anticipated benefits from a joint venture are realized or may take longer to realize than expected;

•estimates relating to our ability to make distributions to our shareholders in the future; and

•our understanding of our competition.

The forward-looking statements are based on our beliefs, assumptions and expectations of our future performance, taking into account all information currently available to us. Forward-looking statements are not predictions of future events. These beliefs, assumptions, and expectations can change as a result of many possible events or factors, not all of which are known to us. Readers should carefully review our financial statements and the notes thereto, as well as the sections entitled "Business," "Risk Factors," "Properties," and "Management's Discussion and Analysis of Financial Condition and Results of Operations," described in the Company's Annual Report , and the other documents we file from time to time with the SEC. If a change occurs, our business, financial condition, liquidity and results of operations may vary materially from those expressed in our forward-looking statements. Any forward-looking statement speaks only as of the date on which it is made. New risks and uncertainties arise over time, and it is not possible for us to predict those events or how they may affect us. In addition, we cannot assess the impact of each factor on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements. Except as required by law, we are not obligated to, and do not intend to, update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Overview

National Storage Affiliates Trust is a fully integrated, self-administered and self-managed real estate investment trust organized in the state of Maryland on May 16, 2013. We have elected and we believe that we have qualified to be taxed as a REIT commencing with our taxable year ended December 31, 2015. We serve as the sole general partner of our operating partnership, a Delaware limited partnership formed on February 13, 2013 to conduct our business, which is focused on the ownership, operation, and acquisition of self storage properties located within the top 100 metropolitan statistical areas throughout the United States.

Our executive chairman of the board of trustees and former chief executive officer, Arlen D. Nordhagen, co-founded SecurCare Self Storage, Inc. in 1988 to invest in and manage self storage properties. While growing SecurCare to over 150 self storage properties, Mr. Nordhagen recognized a market opportunity for a differentiated public self storage REIT that would leverage the benefits of national scale by integrating multiple experienced regional self storage operators with local operational focus and expertise. We believe that his vision, which is the foundation of the Company, aligns the interests of our participating regional operators ("PROs"), with those of our public shareholders by allowing our PROs to participate alongside our shareholders in our financial performance and the performance of our PROs' managed portfolios. This structure offers our PROs a unique opportunity to serve as regional property managers for their managed portfolios and directly participate in the potential upside of those properties while simultaneously diversifying their investment to include a broader portfolio of self storage properties.

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COVID-19

We are closely monitoring the impact of the COVID-19 pandemic on all aspects of our business. The outbreak of COVID-19 in many countries, including the United States, has adversely impacted economic activity. The effect of the outbreak has been rapidly evolving and, as cases of COVID-19 have continued to be identified, most states and municipalities have reacted by instituting quarantines, mandating business and school closures, requiring restrictions on travel, "shelter-in-place" and/or "stay-at-home" orders, and imposing restrictions on the types of businesses that may continue to operate. These containment measures generally do not apply to businesses, like ours, which are designated as "essential," but may apply to certain of our tenants, employees, vendors, lenders and joint venture partners.

As of the date of this report, our stores continue to operate and we are in compliance with federal, state and local COVID-19 guidelines and mandates. In response to the pandemic, we have increased the level and frequency of cleaning and sanitation of our self storage facilities and enacted recommended social distancing guidelines. Many of our stores feature online rental capabilities whereby a customer can complete the entire rental process online and receive an access code to the storage facility. For the remainder of our stores that do not yet benefit from the online rental feature, the combination of call center and email communication eliminates the need for any physical contact between customers and employees.

Due to the pandemic, we experienced a moderate slowdown in overall business activity during the three months ended June 30, 2020. Specifically, our same store portfolio (as defined below) operations were affected as follows:

•Same store move-in volume decreased approximately 14% during the three months ended June 30, 2020, compared to the three months ended June 30, 2019;

•Same store move-out volume decreased approximately 18% during the three months ended June 30, 2020, compared to the three months ended June 30, 2019.

•Same store period-end occupancy was 89.8% as of June 30, 2020, a decrease of approximately 100 basis points compared to June 30, 2019.

•Same store average occupancy was 88.1% for the three months ended June 30, 2020, a decrease of approximately 140 basis points compared to the three months ended June 30, 2019.

Our July 2020 same store portfolio (as defined below) operations were affected as follows:

•Same store move-in volume increased approximately 8% in July 2020, compared to the same period in 2019.

•Same store move-out volume decreased approximately 20% in July 2020, compared to the same period in 2019.

•Same store period-end occupancy was 91.1% as of July 31, 2020, which was a 130 basis point increase compared to June 30, 2020 and a increase of approximately 80 basis points compared to July 31, 2019.

We continue to take proactive measures to maintain the strength of our business and manage the impact of COVID-19 on our operations and liquidity, including the following:

•We have resumed rental rate increases for in-place tenants at the vast majority of our stores during the third quarter of 2020;

•We have closely monitored our liquidity position. As of July 31, 2020, we had the capacity to borrow remaining Revolver commitments of approximately $257 million with less than $5 million of debt maturing through 2022;

•We have entered into an agreement to issue $150.0 million of 2.99% senior unsecured notes due August 5, 2030 and $100.0 million of 3.09% senior unsecured notes due August 5, 2032 in a private placement, as discussed further in Note 14 to Item 1;

•We are continuing to diligently manage operating expenses, including store-level personnel costs, marketing and repairs and maintenance expenses. We have also continued to incur lower corporate travel costs compared to expectations at the beginning of the year.

•We remain committed to acquiring properties at appropriate risk-adjusted returns. We expect in the near-term there may be a lower volume of acquisition transactions in the self storage sector generally due to uncertainty from the pandemic. We believe our acquisition opportunities through our captive pipeline and relationship-

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based third-party deals sourced by our PROs will continue to be a differentiating factor for us to prudently deploy capital, including through the issuance of OP equity.

The above discussion is intended to provide shareholders with certain information regarding the impacts of the COVID-19 pandemic on our business and management’s efforts to respond to those impacts. We are unable to predict the impact of the COVID-19 pandemic on our business for the balance of the third quarter of 2020 and thereafter. We will continue to monitor its effects and will adjust our operations as necessary. As a result of the rapid development, fluidity and uncertainty surrounding this situation, we expect that such information will change, potentially significantly, going forward and may not be indicative of the actual impact of the COVID-19 pandemic on our financial condition, results of operations and cash flows for the third quarter of 2020 and future periods. See "Risk Factors" under Item 1A.

Our Structure

Our structure promotes operator accountability as subordinated performance units issued to our PROs in exchange for the contribution of their properties are entitled to distributions only after those properties satisfy minimum performance thresholds. In the event of a material reduction in operating cash flow, distributions on our subordinated performance units will be reduced before or disproportionately to distributions on our common shares held by our common shareholders. In addition, we expect our PROs will generally co-invest subordinated equity in the form of subordinated performance units in each acquisition that they source, and the value of these subordinated performance units will fluctuate with the performance of their managed portfolios. Therefore, our PROs are incentivized to select acquisitions that are expected to exceed minimum performance thresholds, thereby increasing the value of their subordinated equity stake. We expect that our shareholders will benefit from the higher levels of property performance that our PROs are incentivized to deliver.

Our PROs

The Company had nine PROs as of June 30, 2020: Northwest, Optivest, Guardian, Move It, Storage Solutions, Hide Away, Personal Mini, Southern and Moove In. As discussed in Note 1 in Item 1, on March 31, 2020, we closed on the merger and internalization of the management platform of SecurCare, which prior to the merger and internalization was our largest PRO. As part of the internalization, we offered and provided employment to most of SecurCare's employees, including its key persons, to continue managing SecurCare's managed portfolio under the brand SecurCare as members of our existing property management platform. As a result of the merger, we no longer pay any fees or reimbursements to SecurCare and distributions on the series of subordinated performance units related to SecurCare's managed portfolio were discontinued.

We seek to further expand our platform by continuing to recruit additional established self storage operators, while integrating our operations through the implementation of centralized initiatives, including management information systems, revenue enhancement, and cost optimization programs. Our national platform allows us to capture cost savings by eliminating redundancies and utilizing economies of scale across the property management platforms of our PROs while also providing greater access to lower-cost capital.

Our Consolidated Properties

We seek to own properties that are well located in high quality sub-markets with highly accessible street access and attractive supply and demand characteristics, providing our properties with strong and stable cash flows that are less sensitive to the fluctuations of the general economy. Many of these markets have multiple barriers to entry against increased supply, including zoning restrictions against new construction and new construction costs that we believe are higher than our properties' fair market value. We have an attractive, high quality potential acquisition pipeline that we expect will continue to drive our future growth.

As of June 30, 2020, we owned a geographically diversified portfolio of 607 self storage properties, located in 29 states and Puerto Rico, comprising approximately 36.6 million rentable square feet, configured in approximately 291,000 storage units. Of these properties, 268 were acquired by us from our PROs, 338 were acquired from third-party sellers and one was acquired from the 2016 Joint Venture.

During the six months ended June 30, 2020, we acquired 40 self storage properties for $259.0 million, comprising approximately 2.0 million rentable square feet, configured in approximately 16,000 storage units. Of these acquisitions, three were acquired from our PROs and 37 were acquired from third-party sellers.

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Our Unconsolidated Real Estate Ventures

We seek to opportunistically partner with institutional funds and other institutional investors to acquire attractive portfolios utilizing a promoted return structure. We believe there is significant opportunity for continued external growth by partnering with institutional investors seeking to deploy capital in the self storage industry. In addition, we consider the 75% third-party interest in the Company's unconsolidated real estate ventures, which currently own 177 properties, to present a potential acquisition opportunity. Were we to pursue an acquisition of these interests, it could potentially drive our future growth.

2018 Joint Venture

As of June 30, 2020, our 2018 Joint Venture, in which we have a 25% interest, owned and operated a portfolio of 103 properties containing approximately 7.7 million rentable square feet, configured in approximately 64,000 storage units and located across 17 states.

2016 Joint Venture

As of June 30, 2020, our 2016 Joint Venture, in which we have a 25% ownership interest, owned and operated a portfolio of 74 properties containing approximately 4.9 million rentable square feet, configured in approximately 40,000 storage units and located across 13 states.

During the six months ended June 30, 2020, our 2016 Joint Venture acquired two self storage properties containing less than 0.1 million rentable square feet, configured in approximately 500 storage units and located in one state.

Our Property Management Platform

Through our property management platform, we direct, manage and control the day-to-day operations and affairs of certain consolidated properties and our unconsolidated real estate ventures. As of June 30, 2020, our property management platform managed and controlled 266 of our consolidated properties and 177 of our unconsolidated real estate venture properties.

We earn certain customary fees for managing and operating the properties in the unconsolidated real estate ventures and we facilitate tenant insurance and/or tenant warranty protection programs for tenants at these properties in exchange for half of all proceeds from such programs.

Results of Operations

When reviewing our results of operations it is important to consider the timing of acquisition activity. We acquired 40 self storage properties during the six months ended June 30, 2020 and 69 self storage properties during the year ended December 31, 2019. As a result of these and other factors, we do not believe that our historical results of operations discussed and analyzed below are comparable or necessarily indicative of our future results of operations or cash flows.

To help analyze the operating performance of our self storage properties, we also discuss and analyze operating results relating to our same store portfolio. Our same store portfolio is defined as those properties owned and operated since the first day of the earliest year presented, excluding any properties sold, expected to be sold or subject to significant changes such as expansions or casualty events which cause the portfolio's year-over-year operating results to no longer be comparable. As of June 30, 2020, our same store portfolio consisted of 500 consolidated self storage properties.

The following discussion and analysis of the results of our operations and financial condition should be read in conjunction with the accompanying condensed consolidated financial statements in Item 1. Certain figures, such as interest rates and other percentages, included in this section have been rounded for ease of presentation. Percentage figures included in this section have not in all cases been calculated on the basis of such rounded figures but on the basis of such amounts prior to rounding. For this reason, percentage amounts in this section may vary slightly from those obtained by performing the same calculations using the figures in our condensed consolidated financial statements or in the associated text. Certain other amounts that appear in this section may similarly not sum due to rounding.

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Three Months Ended June 30, 2020 compared to the Three Months Ended June 30, 2019

Net income was $17.8 million for the three months ended June 30, 2020, compared to $17.7 million for the three months ended June 30, 2019, an increase of $0.1 million. The increase was primarily due to an increase in net operating income ("NOI") resulting from an additional 53 self storage properties acquired between July 1, 2019 and June 30, 2020 partially offset by increases in depreciation and amortization and a decrease in gains from the sale of self storage properties. For a description of NOI, see "Non-GAAP Financial Measures – NOI".

The following table illustrates the changes in rental revenue, other property-related revenue, management fees and other revenue, property operating expenses, and other expenses for the three months ended June 30, 2020 compared to the three months ended June 30, 2019 (dollars in thousands):

	Three Months Ended June 30,
	2020		2019		Change
Rental revenue
Same store portfolio	$	80,141	$	81,038	$	(897)
Non-same store portfolio	15,161		6,137		9,024
Total rental revenue	95,302		87,175		8,127
Other property-related revenue
Same store portfolio	2,860		2,921		(61)
Non-same store portfolio	558		207		351
Total other property-related revenue	3,418		3,128		290
Property operating expenses
Same store portfolio	24,780		25,052		(272)
Non-same store portfolio	5,477		2,138		3,339
Total property operating expenses	30,257		27,190		3,067
Net operating income
Same store portfolio	58,221		58,907		(686)
Non-same store portfolio	10,242		4,206		6,036
Total net operating income	68,463		63,113		5,350
Management fees and other revenue	5,697		5,116		581
General and administrative expenses	(10,329)		(10,813)		484
Depreciation and amortization	(29,309)		(25,829)		(3,480)
Other	(462)		(357)		(105)
Other (expense) income
Interest expense	(15,513)		(13,947)		(1,566)
Equity in earnings (losses) of unconsolidated real estate ventures	52		(1,646)		1,698
Acquisition costs	(252)		(305)		53
Non-operating expense	(317)		(169)		(148)
Gain on sale of self storage properties	—		2,814		(2,814)
Other expense	(16,030)		(13,253)		(2,777)
Income before income taxes	18,030		17,977		53
Income tax expense	(243)		(244)		1
Net income	17,787		17,733		54
Net income attributable to noncontrolling interests	(7,365)		(25,389)		18,024
Net income (loss) attributable to National Storage Affiliates Trust	10,422		(7,656)		18,078
Distributions to preferred shareholders	(3,274)		(3,257)		(17)
Net income (loss) attributable to common shareholders	$	7,148	$	(10,913)	$	18,061

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Total Revenue

Our total revenue increased by $9.0 million, or 9.4%, for the three months ended June 30, 2020, as compared to the three months ended June 30, 2019. This increase was primarily attributable to incremental revenue from 53 self storage properties acquired between July 1, 2019 and June 30, 2020, regular rental increases for in-place tenants, partially offset by a decrease in total portfolio average occupancy from 89.1% for the three months ended June 30, 2019 to 87.5% for the three months ended June 30, 2020. Average occupancy is calculated based on the average of the month-end occupancy immediately preceding the period presented and the month-end occupancies included in the respective period presented.

Rental Revenue

Rental revenue increased by $8.1 million, or 9.3%, for the three months ended June 30, 2020, as compared to the three months ended June 30, 2019. The increase in rental revenue was due to a $9.0 million increase in non-same store rental revenue which was primarily attributable to incremental rental revenue of $5.9 million from 49 self storage properties acquired between July 1, 2019 and March 31, 2020, and $0.3 million from four self storage properties acquired during the three months ended June 30, 2020. Same store portfolio rental revenues decreased $0.9 million, or 1.1%, due to a decrease in average occupancy from 89.5% for the three months ended June 30, 2019 to 88.1% for the three months ended June 30, 2020 partially offset by a 0.4% increase, from $11.94 to $11.99, in annualized same store rental revenue (including fees and net of any discounts and uncollectible customer amounts) divided by average occupied square feet ("average annualized rental revenue per occupied square foot"), driven primarily by increased contractual lease rates for in-place tenants.

Other Property-Related Revenue

Other property-related revenue represents ancillary income from our self storage properties, such as tenant insurance-related access fees and sales of storage supplies. Other property-related revenue increased by $0.3 million, or 9.3%, for the three months ended June 30, 2020, as compared to the three months ended June 30, 2019. This increase primarily resulted from a $0.4 million increase in non-same store other property-related revenue which was primarily attributable to incremental other property-related revenue of $0.3 million from 49 self storage properties acquired between July 1, 2019 and March 31, 2020.

Management Fees and Other Revenue

Management fees and other revenue, which are primarily related to managing and operating the unconsolidated real estate ventures, were $5.7 million for the three months ended June 30, 2020, compared to $5.1 million for the three months ended June 30, 2019, an increase of $0.6 million. This increase was primarily attributable to incremental tenant insurance fees and dividends from an investment in a tenant reinsurance company made during the three months ended June 30, 2019.

Property Operating Expenses

Property operating expenses were $30.3 million for the three months ended June 30, 2020 compared to $27.2 million for the three months ended June 30, 2019, an increase of $3.1 million, or 11.3%. The increase in property operating expenses primarily resulted from a $3.3 million increase in non-same store property operating expenses that was primarily attributable to incremental property operating expenses of $2.5 million from 49 self storage properties acquired between July 1, 2019 and March 31, 2020, and $0.1 million from four self storage properties acquired during the three months ended June 30, 2020.

General and Administrative Expenses

General and administrative expenses decreased $0.5 million, or 4.5%, for the three months ended June 30, 2020, compared to the three months ended June 30, 2019. This decrease was attributable to decreases in supervisory and administrative fees charged by our PROs primarily as a result of the merger and internalization of the management platform of SecurCare on March 31, 2020, as discussed in Note 1 in Item 1.

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Depreciation and Amortization

Depreciation and amortization increased $3.5 million, or 13.5%, for the three months ended June 30, 2020, compared to the three months ended June 30, 2019. This increase was primarily attributable to incremental depreciation expense related to the 53 self storage properties we acquired between July 1, 2019 and June 30, 2020 and partially offset by a decrease in amortization of customer in-place leases from $2.8 million for the three months ended June 30, 2019 to $2.4 million for the three months ended June 30, 2020.

Interest Expense

Interest expense increased $1.6 million, or 11.2%, for the three months ended June 30, 2020, compared to the three months ended June 30, 2019. The increase in interest expense was primarily attributable to additional borrowings consisting of $155.0 million of additional term loan borrowings under the Company's credit facility in July 2019, $100.0 million of borrowings under the 2029 Term Loan Facility in April 2019 and the issuance of the $150.0 million Senior Unsecured Notes in a private placement in August 2019. The increase in interest expense from these additional borrowings was partially offset by lower outstanding borrowings under the Revolver.

Equity In Earnings (Losses) Of Unconsolidated Real Estate Ventures

Equity in earnings (losses) of unconsolidated real estate ventures represents our share of earnings and losses incurred through our 25% ownership interests in the 2018 Joint Venture and the 2016 Joint Venture. During the three months ended June 30, 2020, we recorded $0.1 million of equity in earnings from our unconsolidated real estate ventures compared to $1.6 million of losses for the three months ended June 30, 2019. This was primarily the result of incremental losses from our 2018 Joint Venture during the three months ended June 30, 2019 driven by real estate depreciation and amortization of customer in-place leases following the acquisition of the Initial 2018 Joint Venture portfolio in September 2018.

Gain On Sale of Self Storage Properties

Gain on sale of self storage properties was $2.8 million for the three months ended June 30, 2019. During the three months ended June 30, 2019, we sold one self storage property to an unrelated third party for gross proceeds of $6.5 million.

Net Income Attributable to Noncontrolling Interests

As discussed in Note 2 in Item 1, we allocate GAAP income (loss) utilizing the HLBV method, in which we allocate income or loss based on the change in each unitholders' claim on the net assets of our operating partnership at period end after adjusting for any distributions or contributions made during such period.

Due to the stated liquidation priorities and because the HLBV method incorporates non-cash items such as depreciation expense, in any given period, income or loss may be allocated disproportionately to noncontrolling interests. Net income attributable to noncontrolling interests was $7.4 million for the three months ended June 30, 2020, compared to $25.4 million for the three months ended June 30, 2019.

Six Months Ended June 30, 2020 compared to the Six Months Ended June 30, 2019

Net income was $33.6 million for the six months ended June 30, 2020, compared to $30.7 million for the six months ended June 30, 2019, an increase of $2.9 million. The increase was primarily due to an increase in NOI resulting from an additional 53 self storage properties acquired between July 1, 2019 and June 30, 2020 and same store NOI growth partially offset by increases in depreciation and amortization and interest expense.

The following table illustrates the changes in rental revenue, other property-related revenue, management fees and other revenue, property operating expenses, and other expenses for the six months ended June 30, 2020 compared to the six months ended June 30, 2019 (dollars in thousands):

	Six Months Ended June 30,
	2020		2019		Change
Rental revenue
Same store portfolio	$	161,750	$	160,376	$	1,374
Non-same store portfolio	28,954		9,654		19,300
Total rental revenue	190,704		170,030		20,674

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	Six Months Ended June 30,
	2020		2019		Change
Other property-related revenue
Same store portfolio	5,767		5,601		166
Non-same store portfolio	1,022		351		671
Total other property-related revenue	6,789		5,952		837
Property operating expenses
Same store portfolio	50,518		50,271		247
Non-same store portfolio	10,331		3,376		6,955
Total property operating expenses	60,849		53,647		7,202
Net operating income
Same store portfolio	116,999		115,706		1,293
Non-same store portfolio	19,645		6,629		13,016
Total net operating income	136,644		122,335		14,309
Management fees and other revenue	11,146		10,009		1,137
General and administrative expenses	(21,423)		(21,193)		(230)
Depreciation and amortization	(58,414)		(50,178)		(8,236)
Other	(851)		(743)		(108)
Other (expense) income
Interest expense	(31,141)		(27,158)		(3,983)
Equity in losses of unconsolidated real estate ventures	(288)		(3,748)		3,460
Acquisition costs	(1,085)		(462)		(623)
Non-operating expense	(509)		(267)		(242)
Gain (loss) on sale of self storage properties	—		2,814		(2,814)
Other expense	(33,023)		(28,821)		(4,202)
Income before income taxes	34,079		31,409		2,670
Income tax expense	(529)		(736)		207
Net income	33,550		30,673		2,877
Net income attributable to noncontrolling interests	(16,480)		(30,918)		14,438
Net income (loss) attributable to National Storage Affiliates Trust	17,070		(245)		17,315
Distributions to preferred shareholders	(6,547)		(5,845)		(702)
Net income (loss) attributable to common shareholders	$	10,523	$	(6,090)	$	16,613

Total Revenue

Our total revenue increased by $22.6 million, or 12.2%, for the six months ended June 30, 2020, as compared to the six months ended June 30, 2019. This increase was primarily attributable to incremental revenue from 53 self storage properties acquired between July 1, 2019 and June 30, 2020, regular rental increases for in-place tenants, partially offset by a decrease in total portfolio average occupancy from 88.2% for the six months ended June 30, 2019 to 87.2% for the six months ended June 30, 2020.

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Rental Revenue

Rental revenue increased by $20.7 million, or 12.2%, for the six months ended June 30, 2020, as compared to the six months ended June 30, 2019. The increase in rental revenue was due to a $19.3 million increase in non-same store rental revenue which was primarily attributable to incremental rental revenue of $3.2 million from 13 self storage properties acquired between July 1, 2019 and December 31, 2019, and $7.8 million from 40 self storage properties acquired during the six months ended June 30, 2020. Same store portfolio rental revenues increased $1.4 million, or 0.9%, due to a 1.6% increase, from 11.96 to 12.15, in average annualized rental revenue per occupied square foot, driven primarily by increased contractual lease rates for in-place tenants partially offset by a decrease in average occupancy from 88.5% for the six months ended June 30, 2019 to 87.7% for the six months ended June 30, 2020.

Other Property-Related Revenue

Other property-related revenue represents ancillary income from our self storage properties, such as tenant insurance-related access fees and sales of storage supplies. Other property-related revenue increased by $0.8 million, or 14.1%, for the six months ended June 30, 2020, as compared to the six months ended June 30, 2019. This increase primarily resulted from a $0.7 million increase in non-same store other property-related revenue which was primarily attributable to incremental other property-related revenue of $0.1 million from 13 self storage properties acquired between July 1, 2019 and December 31, 2019, and $0.3 million from 40 self storage properties acquired during the six months ended June 30, 2020.

Management Fees and Other Revenue

Management fees and other revenue, which are primarily related to managing and operating the unconsolidated real estate ventures, were $11.1 million for the six months ended June 30, 2020, compared to $10.0 million for the six months ended June 30, 2019, an increase of $1.1 million. This increase was primarily attributable to incremental tenant insurance fees and dividends from an investment in a tenant reinsurance company made during the three months ended June 30, 2019.

Property Operating Expenses

Property operating expenses were $60.8 million for the six months ended June 30, 2020 compared to $53.6 million for the six months ended June 30, 2019, an increase of $7.2 million, or 13.4%. The increase in property operating expenses primarily resulted from a $7.0 million increase in non-same store property operating expenses that was primarily attributable to incremental property operating expenses of $1.2 million from 13 self storage properties acquired between July 1, 2019 and December 31, 2019, and $3.2 million from 40 self storage properties acquired during the six months ended June 30, 2020.

General and Administrative Expenses

General and administrative expenses increased $0.2 million, or 1.1%, for the six months ended June 30, 2020, compared to the six months ended June 30, 2019. This increase was primarily attributable to increases in payroll and related costs partially offset by decreases in supervisory and administrative fees charged by our PROs primarily as a result of the merger and internalization of the management platform of SecurCare on March 31, 2020, as discussed in Note 1 in Item 1.

Depreciation and Amortization

Depreciation and amortization increased $8.2 million, or 16.4%, for the six months ended June 30, 2020, compared to the six months ended June 30, 2019. This increase was primarily attributable to incremental depreciation expense related to the 53 self storage properties we acquired between July 1, 2019 and June 30, 2020.

Interest Expense

Interest expense increased $4.0 million, or 14.7%, for the six months ended June 30, 2020, compared to the six months ended June 30, 2019. The increase in interest expense was primarily attributable to additional borrowings consisting of $155.0 million of additional term loan borrowings under the Company's credit facility in July 2019, $100.0 million of borrowings under the 2029 Term Loan Facility in April 2019 and the issuance of the $150.0 million Senior Unsecured Notes in a private placement in August 2019. The increase in interest expense from these additional borrowings was partially offset by lower outstanding borrowings under the Revolver.

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Equity In Earnings (Losses) Of Unconsolidated Real Estate Ventures

Equity in earnings (losses) of unconsolidated real estate ventures represents our share of earnings and losses incurred through our 25% ownership interests in the 2018 Joint Venture and the 2016 Joint Venture. During the six months ended June 30, 2020, we recorded $0.3 million of equity in losses from our unconsolidated real estate ventures compared to $3.7 million of losses for the six months ended June 30, 2019. This was primarily the result of incremental losses from our 2018 Joint Venture during the six months ended June 30, 2019 driven by real estate depreciation and amortization of customer in-place leases following the acquisition of the Initial 2018 Joint Venture portfolio in September 2018.

Gain On Sale of Self Storage Properties

Gain on sale of self storage properties was $2.8 million for the six months ended June 30, 2019. During the six months ended June 30, 2019, we sold one self storage property to an unrelated third party for gross proceeds of $6.5 million.

Net Income Attributable to Noncontrolling Interests

As discussed in Note 2 in Item 1, we allocate GAAP income (loss) utilizing the HLBV method, in which we allocate income or loss based on the change in each unitholders' claim on the net assets of our operating partnership at period end after adjusting for any distributions or contributions made during such period.

Due to the stated liquidation priorities and because the HLBV method incorporates non-cash items such as depreciation expense, in any given period, income or loss may be allocated disproportionately to noncontrolling interests. Net income attributable to noncontrolling interests was $16.5 million for the six months ended June 30, 2020, compared to $30.9 million for the six months ended June 30, 2019.

Non-GAAP Financial Measures

FFO and Core FFO

Funds from operations, or FFO, is a widely used performance measure for real estate companies and is provided here as a supplemental measure of our operating performance. The December 2018 Nareit Funds From Operations White Paper - 2018 Restatement, which we refer to as the White Paper, defines FFO as net income (as determined under GAAP), excluding: real estate depreciation and amortization, gains and losses from the sale of certain real estate assets, gains and losses from change in control, mark-to-market changes in value recognized on equity securities, impairment write-downs of certain real estate assets and impairment of investments in entities when it is directly attributable to decreases in the value of depreciable real estate held by the entity and after items to record unconsolidated partnerships and joint ventures on the same basis. Distributions declared on subordinated performance units and DownREIT subordinated performance units represent our allocation of FFO to noncontrolling interests held by subordinated performance unitholders and DownREIT subordinated performance unitholders. For purposes of calculating FFO attributable to common shareholders, OP unitholders, and LTIP unitholders, we exclude distributions declared on subordinated performance units, DownREIT subordinated performance units, preferred shares and preferred units. We define Core FFO as FFO, as further adjusted to eliminate the impact of certain items that we do not consider indicative of our core operating performance. These further adjustments consist of acquisition costs, organizational and offering costs, gains on debt forgiveness, gains (losses) on early extinguishment of debt, and after adjustments for unconsolidated partnerships and joint ventures.

Management uses FFO and Core FFO as key performance indicators in evaluating the operations of our properties. Given the nature of our business as a real estate owner and operator, we consider FFO and Core FFO as key supplemental measures of our operating performance that are not specifically defined by GAAP. We believe that FFO and Core FFO are useful to management and investors as a starting point in measuring our operational performance because FFO and Core FFO exclude various items included in net income (loss) that do not relate to or are not indicative of our operating performance such as gains (or losses) from sales of self storage properties and depreciation, which can make periodic and peer analyses of operating performance more difficult. Our computation of FFO and Core FFO may not be comparable to FFO reported by other REITs or real estate companies.

FFO and Core FFO 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 (loss). FFO and Core FFO do not represent cash generated from operating activities determined in accordance with GAAP and are not a measure of liquidity or an indicator of our ability to make cash distributions. We believe that to further

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understand our performance, FFO and Core FFO should be compared with our reported net income (loss) and considered in addition to cash flows computed in accordance with GAAP, as presented in our consolidated financial statements.

The following table presents a reconciliation of net income (loss) to FFO and Core FFO for the three and six months ended June 30, 2020 and 2019 (in thousands, except per share and unit amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Net income	$	17,787	$	17,733	$	33,550	$	30,673
Add (subtract):
Real estate depreciation and amortization	28,955		25,510		57,719		49,537
Company's share of unconsolidated real estate venture real estate depreciation and amortization	3,811		5,472		7,598		10,929
Gain on sale of self storage properties	—		(2,814)		—		(2,814)
Mark-to-market changes in value on equity securities	—		—		142		—
Company's share of unconsolidated real estate venture loss on sale of properties	—		—		—		202
Distributions to preferred shareholders and unitholders	(3,514)		(3,461)		(7,028)		(6,214)
FFO attributable to subordinated performance unitholders(1)	(6,030)		(8,462)		(14,694)		(15,755)
FFO attributable to common shareholders, OP unitholders, and LTIP unitholders	41,009		33,978		77,287		66,558
Add:
Acquisition costs	252		305		1,085		462
Core FFO attributable to common shareholders, OP unitholders, and LTIP unitholders	$	41,261	$	34,283	$	78,372	$	67,020
Weighted average shares and units outstanding - FFO and Core FFO:(2)
Weighted average shares outstanding - basic	68,210		57,543		64,004		57,101
Weighted average restricted common shares outstanding	34		29		29		29
Weighted average OP units outstanding	29,720		30,213		30,215		30,081
Weighted average DownREIT OP unit equivalents outstanding	1,925		1,848		1,887		1,848
Weighted average LTIP units outstanding	534		537		576		641
Total weighted average shares and units outstanding - FFO and Core FFO	100,423		90,170		96,711		89,700
FFO per share and unit	$	0.41	$	0.38	$	0.80	$	0.74
Core FFO per share and unit	$	0.41	$	0.38	$	0.81	$	0.75

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(1) Amounts represent distributions declared for subordinated performance unitholders and DownREIT subordinated performance unitholders for the periods presented.

(2) NSA combines OP units and DownREIT OP units with common shares because, after the applicable lock-out periods, OP units in the Company's operating partnership are redeemable for cash or, at NSA's option, exchangeable for common shares on a one-for-one basis and DownREIT OP units are also redeemable for cash or, at NSA's option, exchangeable for OP units in our operating partnership on a one-for-one basis, subject to certain adjustments in each case. Subordinated performance units, DownREIT subordinated performance units, and LTIP units may also, under certain circumstances, be convertible into or exchangeable for common shares (or other units that are convertible into or exchangeable for common shares). See footnote⁽¹⁾ in the following table for additional discussion of subordinated performance units, DownREIT subordinated performance units, and LTIP units in the calculation of FFO and Core FFO per share and unit.

The following table presents a reconciliation of earnings (loss) per share - diluted to FFO and Core FFO per share and unit for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Earnings (loss) per share - diluted	$	0.10	$	(0.19)	$	0.16	$	(0.11)
Impact of the difference in weighted average number of shares(1)	(0.03)		0.07		(0.06)		0.04
Impact of GAAP accounting for noncontrolling interests, two-class method and treasury stock method(2)	0.07		0.28		0.17		0.35
Add real estate depreciation and amortization	0.29		0.28		0.60		0.55
Add Company's share of unconsolidated venture real estate depreciation and amortization	0.04		0.06		0.08		0.12
Subtract gain on sale of self storage properties	—		(0.03)		—		(0.03)
FFO attributable to subordinated performance unitholders	(0.06)		(0.09)		(0.15)		(0.18)
FFO per share and unit	0.41		0.38		0.80		0.74
Add acquisition costs	—		—		0.01		0.01
Core FFO per share and unit	$	0.41	$	0.38	$	0.81	$	0.75

(1) Adjustment accounts for the difference between the weighted average number of shares used to calculate diluted earnings per share and the weighted average number of shares used to calculate FFO and Core FFO per share and unit. Diluted earnings per share is calculated using the two-class method for the company's restricted common shares and the treasury stock method for certain unvested LTIP units, and assumes the conversion of vested LTIP units into OP units on a one-for-one basis and the hypothetical conversion of subordinated performance units, and DownREIT subordinated performance units into OP units, even though such units may only be convertible into OP units (i) after a lock-out period and (ii) upon certain events or conditions. For additional information about the conversion of subordinated performance units, DownREIT subordinated performance units and LTIP units into OP units, see Note 9 in Item 1. The computation of weighted average shares and units for FFO and Core FFO per share and unit includes all restricted common shares and LTIP units that participate in distributions and excludes all subordinated performance units and DownREIT subordinated performance units because their effect has been accounted for through the allocation of FFO to the related unitholders based on distributions declared.

(2) Represents the effect of adjusting the numerator to consolidated net income (loss) prior to GAAP allocations for noncontrolling interests, after deducting preferred share and unit distributions, and before the application of the two-class method and treasury stock method, as described in footnote⁽¹⁾.

NOI

Net operating income, or NOI, represents rental revenue plus other property-related revenue less property operating expenses. NOI is not a measure of performance calculated in accordance with GAAP.

We believe NOI is useful to investors in evaluating our operating performance because:

•NOI is one of the primary measures used by our management and our PROs to evaluate the economic productivity of our properties, including our ability to lease our properties, increase pricing and occupancy and control our property operating expenses;

•NOI is widely used in the real estate industry and the self storage industry to measure the performance and value of real estate assets without regard to various items included in net income that do not relate to or are

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not indicative of operating performance, such as depreciation and amortization, which can vary depending upon accounting methods, the book value of assets, and the impact of our capital structure; and

•We believe NOI helps our investors to meaningfully compare the results of our operating performance from period to period by removing the impact of our capital structure (primarily interest expense on our outstanding indebtedness) and depreciation of the cost basis of our assets from our operating results.

There are material limitations to using a non-GAAP 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 (loss). 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 (loss). 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 and net income (loss).

The following table presents a reconciliation of net income (loss) to NOI for the three and six months ended June 30, 2020 and 2019 (dollars in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Net income	$	17,787	$	17,733	$	33,550	$	30,673
(Subtract) Add:
Management fees and other revenue	(5,697)		(5,116)		(11,146)		(10,009)
General and administrative expenses	10,329		10,813		21,423		21,193
Other	462		357		851		743
Depreciation and amortization	29,309		25,829		58,414		50,178
Interest expense	15,513		13,947		31,141		27,158
Equity in (earnings) losses of unconsolidated real estate ventures	(52)		1,646		288		3,748
Acquisition costs	252		305		1,085		462
Income tax expense	243		244		529		736
Gain on sale of self storage properties	—		(2,814)		—		(2,814)
Non-operating expense	317		169		509		267
Net Operating Income	$	68,463	$	63,113	$	136,644	$	122,335

Our consolidated NOI shown in the table above does not include our proportionate share of NOI for our unconsolidated real estate ventures. For additional information about our 2018 Joint Venture and 2016 Joint Venture see Note 5 to the condensed consolidated financial statements in Item 1.

EBITDA and Adjusted EBITDA

We define EBITDA as net income (loss), as determined under GAAP, plus interest expense, loss on early extinguishment of debt, income taxes, depreciation and amortization expense and the Company's share of unconsolidated real estate venture depreciation and amortization. We define Adjusted EBITDA as EBITDA plus acquisition costs, organizational and offering expenses, equity-based compensation expense, losses on sale of properties and impairment of long-lived assets, minus gains on sale of properties and debt forgiveness, and after adjustments for unconsolidated partnerships and joint ventures. These further adjustments eliminate the impact of items that we do not consider indicative of our core operating performance. In evaluating EBITDA and Adjusted EBITDA, you should be aware that in the future we may incur expenses that are the same as or similar to some of the adjustments in this presentation. Our presentation of EBITDA and Adjusted EBITDA should not be construed as an inference that our future results will be unaffected by unusual or non-recurring items.

We present EBITDA and Adjusted EBITDA because we believe they assist investors and analysts in comparing our performance across reporting periods on a consistent basis by excluding items that we do not believe are indicative of our core operating performance. EBITDA and Adjusted EBITDA have limitations as an analytical tool. Some of these limitations are:

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•EBITDA and Adjusted EBITDA do not reflect our cash expenditures, or future requirements, for capital expenditures, contractual commitments or working capital needs;

•EBITDA and Adjusted EBITDA do not reflect the significant interest expense, or the cash requirements necessary to service interest or principal payments, on our debts;

•although depreciation and amortization are non-cash charges, the assets being depreciated and amortized will often have to be replaced in the future, and EBITDA and Adjusted EBITDA do not reflect any cash requirements for such replacements;

•Adjusted EBITDA excludes equity-based compensation expense, which is and will remain a key element of our overall long-term incentive compensation package, although we exclude it as an expense when evaluating our ongoing operating performance for a particular period;

•EBITDA and Adjusted EBITDA do not reflect the impact of certain cash charges resulting from matters we consider not to be indicative of our ongoing operations; and

•other companies in our industry may calculate EBITDA and Adjusted EBITDA differently than we do, limiting their usefulness as comparative measures.

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 (loss). EBITDA and Adjusted EBITDA 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 and net income (loss).

The following table presents a reconciliation of net income (loss) to EBITDA and Adjusted EBITDA for the three and six months ended June 30, 2020 and 2019 (dollars in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Net income	$	17,787	$	17,733	$	33,550	$	30,673
Add:
Depreciation and amortization	29,309		25,829		58,414		50,178
Company's share of unconsolidated real estate venture depreciation and amortization	3,811		5,472		7,598		10,929
Interest expense	15,513		13,947		31,141		27,158
Income tax expense	243		244		529		736
EBITDA	66,663		63,225		131,232		119,674
Add:
Acquisition costs	252		305		1,085		462
Gain on sale of self storage properties	—		(2,814)		—		(2,814)
Company's share of unconsolidated real estate venture loss on sale of properties	—		—		—		202
Equity-based compensation expense	1,151		1,108		1,925		2,220
Adjusted EBITDA	$	68,066	$	61,824	$	134,242	$	119,744

Liquidity and Capital Resources

Liquidity Overview

Liquidity is the ability to meet present and future financial obligations. Our primary source of liquidity is cash flow from our operations. Additional sources are proceeds from equity and debt offerings, and debt financings including borrowings under the credit facility, 2023 Term Loan Facility, 2028 Term Loan Facility and 2029 Term Loan Facility.

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Our short-term liquidity requirements consist primarily of property operating expenses, property acquisitions, capital expenditures, general and administrative expenses and principal and interest on our outstanding indebtedness. A further short-term liquidity requirement relates to distributions to our common and preferred shareholders and holders of preferred units, OP units, LTIP units, subordinated performance units, DownREIT OP units and DownREIT subordinated performance units. We expect to fund short-term liquidity requirements from our operating cash flow, cash on hand and borrowings under our credit facility.

Our long-term liquidity needs consist primarily of the repayment of debt, property acquisitions, and capital expenditures. We acquire properties through the use of cash, preferred units, OP units and subordinated performance units in our operating partnership or DownREIT partnerships. We expect to meet our long-term liquidity requirements with operating cash flow, cash on hand, secured and unsecured indebtedness, and the issuance of equity and debt securities.

The availability of credit and its related effect on the overall economy may affect our liquidity and future financing activities, both through changes in interest rates and access to financing. Currently, interest rates are low compared to historical levels. Our ability to access capital on favorable terms as well as to use cash from operations to continue to meet our liquidity needs, all of which are highly uncertain and cannot be predicted, could be affected by various risks and uncertainties, including, but not limited to, the effects of the COVID-19 pandemic. We believe that, as a publicly-traded REIT, we will have access to multiple sources of capital to fund our long-term liquidity requirements, including the incurrence of additional debt and the issuance of debt and additional equity securities. However, we cannot assure you that this will be the case.

Cash Flows

At June 30, 2020, we had $17.3 million in cash and cash equivalents and $5.6 million of restricted cash, a decrease in cash and cash equivalents of $3.3 million and an increase in restricted cash of $1.9 million from December 31, 2019. Restricted cash primarily consists of escrowed funds deposited with financial institutions for real estate taxes, insurance, and other reserves for capital improvements in accordance with our loan agreements. The following discussion relates to changes in cash due to operating, investing, and financing activities, which are presented in our condensed consolidated statements of cash flows included in Item 1 of this report.

Operating Activities

Cash provided by our operating activities was $105.7 million for the six months ended June 30, 2020 compared to $93.5 million for the six months ended June 30, 2019, an increase of $12.2 million. Our operating cash flow increased primarily due to the 13 self storage properties that were acquired between July 1, 2019 and December 31, 2019 that generated cash flow for the entire six months ended June 30, 2020, and an additional 40 self storage properties acquired during the six months ended June 30, 2020. Because these 53 self storage properties were acquired after June 30, 2019, our operating results for the six months ended June 30, 2019 were not impacted by them. The increase in our operating cash flows was partially offset by higher cash payments for interest expense.

Investing Activities

Cash used in investing activities was $243.9 million for the six months ended June 30, 2020 compared to $318.1 million for the six months ended June 30, 2019. The primary uses of cash for the six months ended June 30, 2020 were for our acquisition of 40 self storage properties for cash consideration of $239.1 million, capital expenditures of $8.6 million, investments in our 2016 Joint Venture of $3.1 million, expenditures for corporate furniture, equipment and other of $0.3 million and deposits for potential acquisitions of $0.3 million partially offset by $7.6 million of proceeds from the sale of equity securities. The primary uses of cash for the six months ended June 30, 2019 were for our acquisition of 56 self storage properties for cash consideration of $307.8 million, capital expenditures of $10.4 million, acquisition of the interest in a reinsurance company and related cash flows of $6.6 million, capital expenditures of corporate furniture and equipment of $0.4 million and deposits for potential acquisitions of $0.2 million, partially offset by $6.3 million of net proceeds from the sale of a self storage property and distributions received from our 2016 Joint Venture of $1.0 million.

Capital expenditures totaled $8.6 million and $10.4 million during the six months ended June 30, 2020 and 2019, respectively. We generally fund post-acquisition capital additions from cash provided by operating activities.

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We categorize our capital expenditures broadly into three primary categories:

•recurring capital expenditures, which represent the portion of capital expenditures that are deemed to replace the consumed portion of acquired capital assets and extend their useful life;

•value enhancing capital expenditures, which represent the portion of capital expenditures that are made to enhance the revenue and value of an asset from its original purchase condition; and

•acquisitions capital expenditures, which represent the portion of capital expenditures capitalized during the current period that were identified and underwritten prior to a property's acquisition.

A summary of the capital expenditures for these categories, along with a reconciliation of the total for these categories to the capital expenditures reported in the accompanying condensed consolidated statements of cash flows for the six months ended June 30, 2020 and 2019, are presented below (dollars in thousands):

	Six Months Ended June 30,
	2020		2019
Recurring capital expenditures	$	3,438	$	4,757
Value enhancing capital expenditures	2,037		2,152
Acquisitions capital expenditures	3,600		4,328
Total capital expenditures	9,075		11,237
Change in accrued capital spending	(492)		(794)
Capital expenditures per statement of cash flows	$	8,583	$	10,443

Financing Activities

Cash provided by our financing activities was $136.8 million for the six months ended June 30, 2020 compared to $228.0 million for the six months ended June 30, 2019. Our sources of financing cash flows for the six months ended June 30, 2020 primarily consisted of $311.0 million of borrowings under our Revolver and $16.2 million of proceeds from the issuance of common shares. Our primary uses of financing cash flows for the six months ended June 30, 2020 were for principal payments on existing debt of $103.9 million (which included $100.0 million of principal repayments under the Revolver and $3.9 million of fixed rate mortgage principal payments), distributions to noncontrolling interests of $36.4 million, payments of dividends to common shareholders of $42.4 million and distributions to preferred shareholders of $6.5 million. Our sources of financing cash flows for the six months ended June 30, 2019 primarily consisted of $399.0 million of borrowings under our credit facility, $100.0 million of borrowings under our 2029 Term Loan Facility, $70.6 million of proceeds from the issuance of common shares and $43.6 million of proceeds from the issuance of Series A preferred shares. Our primary uses of financing cash flows for the six months ended June 30, 2019 were for principal payments on existing debt of $306.5 million (which included $304.0 million of principal repayments under the Revolver and $2.5 million of scheduled fixed rate mortgage principal payments), distributions to noncontrolling interests of $36.1 million, distributions to common shareholders of $36.0 million and distributions to preferred shareholders of $5.8 million.

Credit Facility and Term Loan Facilities

As of June 30, 2020, our credit facility provided for total borrowings of $1.275 billion, consisting of five components: (i) a Revolver which provides for a total borrowing commitment up to $500.0 million, whereby we may borrow, repay and re-borrow amounts under the Revolver, (ii) a $125.0 million Term Loan A, (iii) a $250.0 million Term Loan B, (iv) a $225.0 million Term Loan C and (v) a $175.0 million Term Loan D. The Revolver matures in January 2024; provided that we may elect to extend the maturity to July 2024 by paying an extension fee of 0.075% of the total borrowing commitment thereunder at the time of extension and meeting other customary conditions with respect to compliance. The Term Loan A matures in January 2023, the Term Loan B matures in July 2024, the Term Loan C matures in January 2025 and the Term Loan D matures in July 2026. The Revolver, Term Loan A, Term Loan B, Term Loan C and Term Loan D are not subject to any scheduled reduction or amortization payments prior to maturity. As of June 30, 2020, we have an expansion option under the credit facility, which, if exercised in full, would provide for a total credit facility of $1.750 billion. As of June 30, 2020, we would have had the capacity to borrow remaining Revolver commitments of $283.3 million while remaining in compliance with the credit facility's financial covenants.

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We have a 2023 Term Loan Facility that matures in June 2023 and is separate from the credit facility in an aggregate amount of $175.0 million. As of June 30, 2020 the entire amount was outstanding under the 2023 Term Loan Facility with an effective interest rate of 2.83%. We have an expansion option under the 2023 Term Loan Facility, which, if exercised in full, would provide for total borrowings in an aggregate amount of $400.0 million.

We have a 2028 Term Loan Facility that matures in December 2028 and is separate from the credit facility and 2023 Term Loan Facility in an aggregate amount of $75.0 million. As of June 30, 2020 the entire amount was outstanding under the 2028 Term Loan Facility with an effective interest rate of 4.62%. We have an expansion option under the 2028 Term Loan Facility, which, if exercised in full, would provide for total borrowings in an aggregate amount up to $125.0 million.

We have a 2029 Term Loan Facility that matures in April 2029 and is separate from the credit facility, 2023 Term Loan Facility and 2028 Term Loan Facility in an aggregate amount of $100.0 million. As of June 30, 2020 the entire amount was outstanding under the 2029 Term Loan Facility with an effective interest rate of 4.27%.

2029 And 2031 Senior Unsecured Notes

On August 30, 2019, our operating partnership issued $100.0 million of 3.98% senior unsecured notes due August 30, 2029 and $50.0 million of 4.08% senior unsecured notes due August 30, 2031 in a private placement to certain institutional accredited investors.

2030 And 2032 Senior Unsecured Notes

As discussed in Note 14 in Item 1, on August 4, 2020, our operating partnership entered into an agreement to issue $150.0 million of 2.99% senior unsecured notes due August 5, 2030 and $100.0 million of 3.09% senior unsecured notes due August 5, 2032 in a private placement to certain institutional accredited investors.

Equity Transactions

Issuance of Common Shares and Series A Preferred Shares

As discussed in Note 3 in Item 1, on March 31, 2020, we closed on the mergers of SecurCare and DLAN with and into wholly-owned subsidiaries of the Company. In connection with the mergers, we issued 8,105,192 common shares to the former owners of SecurCare and DLAN.

During the six months ended June 30, 2020, we sold 512,000 of our common shares through at the market offerings. The common shares were sold at an average offering price of $32.41 per share, resulting in net proceeds to us of approximately $16.2 million after deducting compensation payable by us to the agents and offering expenses.

During the six months ended June 30, 2020, after receiving notices of redemption from certain OP unitholders, we elected to issue 411,252 common shares to such holders in exchange for 411,252 OP units in satisfaction of the operating partnership's redemption obligations.

During the six months ended June 30, 2020, after receiving notices of redemption from certain Series A-1 preferred unitholders, we elected to issue 5,600 Series A preferred shares to such holders in exchange for 5,600 Series A-1 preferred units in satisfaction of the operating partnership's redemption obligations.

Issuance of OP Equity

In connection with the 40 properties acquired during the six months ended June 30, 2020, we issued $13.1 million of OP equity (consisting of 356,392 OP units, 28,892 LTIP units and 35,735 subordinated performance units). In addition, we issued 28,894 LTIP units to consultants that will vest upon the completion of expansion projects.

As discussed in Note 3 in Item 1, during the six months ended June 30, 2020, the Company issued 445,701 OP units issued upon the conversion of 332,738 subordinated performance units and 214,512 OP units upon the conversion of an equivalent number of LTIP units.

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Dividends and Distributions

On May 21, 2020 our board of trustees declared a cash dividend and distribution, respectively, of $0.33 per common share and OP unit to shareholders and OP unitholders of record as of June 15, 2020. On May 21, 2020, our board of trustees also declared cash distributions of $0.375 per Series A Preferred Share and Series A-1 Preferred Unit to shareholders and unitholders of record as of June 15, 2020. On June 10, 2020, our board of trustees declared cash distributions of $6.0 million, in aggregate, to subordinated performance unitholders of record as of June 15, 2020. Such dividends and distributions were paid on June 30, 2020.

Cash Distributions from our Operating Partnership

Under the LP Agreement of our operating partnership, to the extent that we, as the general partner of our operating partnership, determine to make distributions to the partners of our operating partnership out of the operating cash flow or capital transaction proceeds generated by a real property portfolio managed by one of our PROs, the holders of the series of subordinated performance units that relate to such portfolio are entitled to share in such distributions. Under the LP Agreement of our operating partnership, operating cash flow with respect to a portfolio of properties managed by one of our PROs is generally an amount determined by us, as general partner of our operating partnership, equal to the excess of property revenues over property related expenses from that portfolio. In general, property revenue from the portfolio includes:

(i)all receipts, including rents and other operating revenues;

(ii)any incentive, financing, break-up and other fees paid to us by third parties;

(iii)amounts released from previously set aside reserves; and

(iv)any other amounts received by us, which we allocate to the particular portfolio of properties.

In general, property-related expenses include all direct expenses related to the operation of the properties in that portfolio, including real property taxes, insurance, property-level general and administrative expenses, employee costs, utilities, property marketing expense, property maintenance and property reserves and other expenses incurred at the property level. In addition, other expenses incurred by our operating partnership will also be allocated by us, as general partner, to the property portfolio and will be included in the property-related expenses of that portfolio. Examples of such other expenses include:

(i)corporate-level general and administrative expenses;

(ii)out-of-pocket costs, expenses and fees of our operating partnership, whether or not capitalized;

(iii)the costs and expenses of organizing and operating our operating partnership;

(iv)amounts paid or due in respect of any loan or other indebtedness of our operating partnership during such period;

(v)extraordinary expenses of our operating partnership not previously or otherwise deducted under item (ii) above;

(vi)any third-party costs and expenses associated with identifying, analyzing, and presenting a proposed property to us and/or our operating partnership; and

(vii)reserves to meet anticipated operating expenditures, debt service or other liabilities, as determined by us.

To the extent that we, as the general partner of our operating partnership, determine to make distributions to the partners of our operating partnership out of the operating cash flow of a real property portfolio managed by one of our PROs, operating cash flow from a property portfolio is required to be allocated to OP unitholders and to the holders of series of subordinated performance units that relate to such property portfolio as follows:

First, an amount is allocated to OP unitholders in order to provide OP unitholders (together with any prior allocations of capital transaction proceeds) with a cumulative preferred allocation on the unreturned capital contributions attributed to the OP units in respect of such property portfolio. The preferred allocation for all of our existing portfolios is 6%. As of June 30, 2020, our operating partnership had an aggregate of $1,730.4 million of unreturned capital contributions with respect to common shareholders and OP unitholders, with respect to the various property portfolios.

48

Second, an amount is allocated to the holders of the series of subordinated performance units relating to such property portfolio in order to provide such holders with an allocation (together with prior distributions of capital transaction proceeds) on their unreturned capital contributions. Although the subordinated allocation for the subordinated performance units is non-cumulative from period to period, if the operating cash flow from a property portfolio related to a series of subordinated performance units is sufficient, in the judgment of the general partner (with the approval of a majority of our independent trustees), to fund distributions to the holders of such series of subordinated performance units, but we, as the general partner of our operating partnership, decline to make distributions to such holders, the amount available but not paid as distributions will be added to the subordinated allocation corresponding to such series of subordinated performance units. The subordinated allocation for the outstanding subordinated performance units is 6%. As of June 30, 2020, an aggregate of $117.8 million of unreturned capital contributions has been allocated to the various series of subordinated performance units.

Thereafter, any additional operating cash flow is allocated to OP unitholders and the applicable series of subordinated performance units equally.

Following the allocation described above, we as the general partner of our operating partnership, will generally cause our operating partnership to distribute the amounts allocated to the relevant series of subordinated performance units to the holders of such series of subordinated performance units. We, as the general partner, may cause our operating partnership to distribute the amounts allocated to OP unitholders or may cause our operating partnership to retain such amounts to be used by our operating partnership for any purpose. Any operating cash flow that is attributable to amounts retained by our operating partnership pursuant to the preceding sentence will generally be available to be allocated as an additional capital contribution to the various property portfolios.

The foregoing description of the allocation of operating cash flow between the OP unitholders and subordinated performance unitholders is used for purposes of determining distributions to holders of subordinated performance units but does not necessarily represent the operating cash flow that will be distributed to OP unitholders (or paid as dividends to holders of our common shares). Any distribution of operating cash flow allocated to the OP unitholders will be made at our discretion (and paid as dividends to holders of our common shares at the discretion of our board of trustees).

Under the LP Agreement of our operating partnership, capital transactions are transactions that are outside the ordinary course of our operating partnership's business, involve the sale, exchange, other disposition, or refinancing of any property, and are designated as capital transactions by us, as the general partner. To the extent the general partner determines to distribute capital transaction proceeds, the proceeds from capital transactions involving a particular property portfolio are required to be allocated to OP unitholders and to the series of subordinated performance units that relate to such property portfolio as follows:

First, an amount determined by us, as the general partner, of such capital transaction proceeds is allocated to OP unitholders in order to provide OP unitholders (together with any prior allocations of operating cash flow) with a cumulative preferred allocation on the unreturned capital contributions attributed to the OP unitholders in respect of such property portfolio that relate to such capital transaction plus an additional amount equal to such unreturned capital contributions.

Second, an amount determined by us, as the general partner, is allocated to the holders of the series of subordinated performance units relating to such property portfolio in order to provide such holders with a non-cumulative subordinated allocation on the unreturned capital contributions made by such holders in respect of such property portfolio that relate to such capital transaction plus an additional amount equal to such unreturned capital contributions.

The preferred allocation and subordinated allocation with respect to capital transaction proceeds for each portfolio is equal to the preferred allocation and subordinated allocation for distributions of operating cash flow with respect to that portfolio.

Thereafter, any additional capital transaction proceeds are allocated to OP unitholders and the applicable series of subordinated performance units equally.

Following the allocation described above, we, as the general partner of our operating partnership, will generally cause our operating partnership to distribute the amounts allocated to the relevant series of subordinated performance units to the holders of such series of subordinated performance units. We, as general partner of our operating partnership, may cause our operating partnership to distribute the amounts allocated to the OP unitholders

49

or may cause our operating partnership to retain such amounts to be used by our operating partnership for any purpose. Any capital transaction proceeds that are attributable to amounts retained by our operating partnership pursuant to the preceding sentence will generally be available to be allocated as an additional capital contribution to the various property portfolios.

The foregoing allocation of capital transaction proceeds between the OP unitholders and subordinated performance unitholders is used for purposes of determining distributions to holders of subordinated performance units but does not necessarily represent the capital transaction proceeds that will be distributed to OP unitholders (or paid as dividends to holders of our common shares). Any distribution of capital transaction proceeds allocated to the OP unitholders will be made at our discretion (and paid as dividends to holders of our common shares at the discretion of our board of trustees).

Allocation of Capital Contributions

We, as the general partner of our operating partnership, in our discretion, have the right to increase or decrease, as appropriate, the amount of capital contributions allocated to our operating partnership in general and to each series of subordinated performance units to reflect capital expenditures made by our operating partnership in respect of each portfolio, the sale or refinancing of all or a portion of the properties comprising the portfolio, the distribution of capital transaction proceeds by our operating partnership, the retention by our operating partnership of cash for working capital purposes and other events impacting the amount of capital contributions allocated to the holders. In addition, to avoid conflicts of interests, any decision by us to increase or decrease allocations of capital contributions must also be approved by a majority of our independent trustees.

Off-Balance Sheet Arrangements

Except as disclosed in the notes to our financial statements, as of June 30, 2020, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purposes entities, which typically are established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. Further, except as disclosed in the notes to our financial statements, as of June 30, 2020, we have not guaranteed any obligations of unconsolidated entities, nor made any commitments to provide funding to any such entities, that creates any material exposure to any financing, liquidity, market or credit risk.

Seasonality

The self storage business is subject to minor seasonal fluctuations. A greater portion of revenues and profits are realized from May through September. Historically, our highest level of occupancy has typically been in July, while our lowest level of occupancy has typically been in February. Results for any quarter may not be indicative of the results that may be achieved for the full fiscal year.

ITEM 3. Quantitative and Qualitative Disclosures About Market Risk

Market risk refers to the risk of loss from adverse changes in market prices and interest rates. Our future income, cash flows, and fair values of financial instruments are dependent upon prevailing market interest rates. The primary market risk to which we believe we are exposed is interest rate risk. Interest rate risk is highly sensitive to many factors, including governmental monetary and tax policies, domestic and international economic and political considerations, and other factors beyond our control. We use interest rate swaps to moderate our exposure to interest rate risk by effectively converting the interest on variable rate debt to a fixed rate. We make limited use of other derivative financial instruments and we do not use them for trading or other speculative purposes.

As of June 30, 2020, we had $211.0 million of debt subject to variable interest rates (excluding variable-rate debt subject to interest rate swaps). If one-month LIBOR were to increase or decrease by 100 basis points, the increase or decrease in interest expense on the variable-rate debt (excluding variable-rate debt subject to interest rate swaps) would decrease or increase future earnings and cash flows by approximately $2.1 million annually.

Interest rate risk amounts were determined by considering the impact of hypothetical interest rates on our financial instruments. These analyses do not consider the effect of any change in overall economic activity that could occur. Further, in the event of a change of that magnitude, we may take 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, these analyses assume no changes in our financial structure.

50

ITEM 4. Controls and Procedures

Disclosure Controls and Procedures

The Company's management, with the participation of the Company's chief executive officer and chief financial officer, has evaluated the effectiveness of the Company's disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this report. Based on that evaluation, the chief executive officer and chief financial officer concluded that the Company's disclosure controls and procedures, as of the end of the period covered by this report, are effective.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the three months ended June 30, 2020 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Notwithstanding the foregoing, a control system, no matter how well designed and operated, can provide only reasonable, not absolute assurance that it will detect or uncover failures within the Company to disclose material information otherwise required to be set forth in our periodic reports.

PART II. OTHER INFORMATION

ITEM 1. Legal Proceedings

We are not currently subject to any legal proceedings that we consider to be material.

ITEM 1A. Risk Factors

For a discussion of the Company's potential risks and uncertainties, see the information below and in the Company's Annual Report under the heading Item 1A. "Risk Factors" beginning on page 15, which is accessible on the SEC's website at www.sec.gov.

The current outbreak of COVID-19 or the future outbreak of any other highly infectious or contagious diseases, could adversely impact or cause significant disruption to our financial condition, results of operations and cash flows. The spread of the COVID-19 outbreak has disrupted, and is likely to further cause severe disruptions in, the economy and financial markets and create widespread business continuity and viability issues.

The potential impact and duration of COVID-19 or another pandemic could have significant repercussions across the economy and financial markets, and could trigger a period of economic slowdown or recessions. The outbreak of COVID-19 in many countries continues to adversely impact economic activity and has contributed to significant volatility and negative pressure in financial markets. The impact of the outbreak has been rapidly evolving and, as cases of the virus have continued to increase around the world, many countries, including the United States, have reacted by instituting, among other things, quarantines and restrictions on travel.

Most states and municipalities, including where we have our headquarters (Colorado) and in regions of the United States where our properties and tenants are located, have also reacted by instituting quarantines, mandating business and school closures, requiring restrictions on travel, "shelter in place" or "stay-at-home" orders, and imposing restrictions on the types of business that may continue to operate. Although many of these jurisdictions, including Colorado, are gradually relaxing a number of these restrictions, many of these restrictions are being re-instituted or are still in place in regions where our properties and tenants are located.

As a result, the COVID-19 pandemic, or a future pandemic, could adversely impact our financial condition, results of operations and cash flows due to, among other factors:

•reduced economic activity that may severely impact the Company's tenants and may cause a portion of our tenants to be unable to meet their obligations to us in full, or at all, or to otherwise seek modifications of such obligations, which could increase uncollectible receivables and cause subsequent reductions in revenue;

•reduced economic activity could result in a prolonged recession, which could negatively impact consumer discretionary spending, which could reduce move-in volumes at our stores or limit our ability to minimize exposure to uncollectible receivables;

51

•governmental or health and safety requirements or recommendations could compel a complete or partial closure of, or other operational issues at, one or more of our properties or prohibit us from charging late fees, conducting auctions and increasing prices;

•any of the above factors, or a combination thereof, could cause the Company to recognize impairment in value of its tangible or intangible assets;

•a general decline in business activity and demand for property acquisitions, expansions, and the addition of new PROs and/or joint venture partners could adversely affect our ability or desire to grow our portfolio of properties;

•interrupted availability of personnel, including our executive officers, other employees and the employees of our PROs, and an inability of us or our PROs to recruit, attract and retain additional skilled personnel to manage our business and/or properties;

•the potential negative impact on the health of our or our PROs' personnel, particularly if a significant number of them are impacted, could result in a deterioration in our ability to ensure business continuity during this disruption;

•the inability of other third-party vendors we rely on to conduct our business to operate effectively and continue to support our business and operations, including vendors that provide IT services, legal and accounting services, or other operational support services;

•difficulty accessing debt and equity capital on attractive terms, or at all, and severe disruption or instability in the financial markets or a deterioration in credit and financing conditions may affect our access to capital necessary to fund business operations, potential acquisitions, or other growth opportunities or address maturing liabilities on a timely basis; and

•the financial impact of the COVID-19 pandemic, including potential decreases in cash from operations resulting therefrom, could negatively impact our future compliance with the financial covenants in our credit facility and other debt agreements and result in a default and potential acceleration of indebtedness, which could negatively impact our ability to make additional borrowings under our revolving credit facility and pay dividends.

The rapid development and fluidity of the circumstances resulting from this pandemic preclude any prediction as to the ultimate adverse impact of COVID-19. Nevertheless, COVID-19 and the current financial, economic and capital markets environment, and future developments in these and other areas present material uncertainty and risk with respect to our performance, financial condition, results of operations and cash flows and our tenants' ability to pay rent.

The factors described above, as well as additional factors that the Company may not currently be aware of, could materially negatively impact the Company’s ability to collect rent and could lead to termination of leases by tenants, tenant defaults, tenant bankruptcies, decreases in demand for storage space at the Company’s properties, difficulties in accessing capital, impairment of the Company’s tangible or intangible assets and other impacts that could materially and adversely affect the Company’s financial condition, results of operations and cash flows.

To the extent the COVID-19 pandemic adversely affects our business and financial results, it may also have the effect of heightening many of the other risks described in the Risk Factors section in the Annual Report, such as those relating to economic or other conditions in the markets in which we do business, changes in interest rates, demand for self storage space generally, illiquidity of real estate investments, our ability to obtain debt financing, our dependence on external sources of capital and our ability to pay dividends.

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

Unregistered Sales of Equity Securities

During the three months ended June 30, 2020, the Company, in its capacity as general partner of its operating partnership, caused the operating partnership to issue 292,291 common shares to satisfy redemption requests from certain limited partners.

On June 30, 2020, the operating partnership issued 120,300 OP Units and 22,630 subordinated performance units to third parties and affiliates of Investment Real Estate Management, LLC d/b/a Moove In, one of the Company's existing PROs ("Moove In"), as partial consideration for the acquisition of a self storage property.

On July 1, 2020, the operating partnership issued 1,289 subordinated performance units to affiliates of Moove In, as partial consideration for the acquisition of a self storage property.

On July 14, 2020, the operating partnership issued 7,837 subordinated performance units to affiliates of Moove In, as partial consideration for the acquisition of a self storage property.

Following a specified lock up period after the date of issuance set forth above, the OP units issued by the operating partnership may be redeemed from time to time by holders for a cash amount per OP unit equal to the market value of an equivalent number of common shares. The Company has the right, but not the obligation, to assume and satisfy the redemption obligation of the operating partnership described above by issuing one common share in exchange for each OP unit tendered for redemption.

The Company has elected to report early the private placement of its common shares that may occur if the Company elects to assume the redemption obligation of the operating partnership as described above in the event that OP units are in the future tendered for redemption.

Following a two-year lock-up period, holders of subordinated performance units may elect, only upon the achievement of certain performance thresholds relating to the properties to which such subordinated performance units relate, to convert all or a portion of such subordinated performance units into OP units one time each year by submitting a completed conversion notice prior to December 1 of such year. All duly submitted conversion notices will become effective on the immediately following January 1. For additional information about the conversion or exchange of subordinated performance units into OP units, see Note 9 in Item 1 of this report.

As of August 6, 2020, other than those OP units held by the Company, after reflecting the transactions described herein, 32,318,889 OP units of its operating partnership were outstanding (including 765,840 outstanding LTIP units in the operating partnership and 1,924,918 outstanding OP units ("DownREIT OP units") in certain consolidated subsidiaries of the operating partnership, which are convertible into, or exchangeable for, OP units on a one-for-basis, subject to certain conditions) and 13,061,988 subordinated performance units (including 4,337,111 subordinated performance units in certain subsidiaries of the operating partnership ("DownREIT subordinated performance units").

These issuances were exempt from registration under Section 4(a)(2) of the Securities Act of 1933, as amended.

Use of Proceeds

Not applicable.

Issuer Purchases of Equity Securities

Not applicable.

ITEM 3. Defaults Upon Senior Securities

Not applicable.

ITEM 4. Mine Safety Disclosures

Not applicable.

ITEM 5. Other Information

Not applicable.

53

ITEM 6. Exhibits
The following exhibits are filed with this report:
Exhibit Number	Exhibit Description
3.1	Articles of Amendment and Restatement of National Storage Affiliates Trust (Exhibit 3.1 to the Quarterly Report on Form 10-Q, filed with the SEC on June 5, 2015, is incorporated herein by this reference)
3.2	Second Amended and Restated Bylaws of National Storage Affiliates Trust (Exhibit 3.1 to the Current Report on Form 8-K, filed with the SEC on April 3, 2018, is incorporated herein by this reference)
3.3	Articles Supplementary designating the Series A Preferred Shares of National Storage Affiliates Trust (Exhibit 3.3 to the Form 8-A, filed with the SEC on October 10, 2017, is incorporated herein by this reference)
3.4	Articles Supplementary designating the Series A Preferred Shares of National Storage Affiliates Trust (Exhibit 3.4 to the Form S-3ASR, filed with the SEC on March 14, 2018, is incorporated herein by this reference)
3.5	Articles Supplementary designating the Series A Preferred Shares of National Storage Affiliates Trust (Exhibit 3.5 to the Quarterly Report on Form 10-Q, filed with the SEC on May 3, 2019, is incorporated herein by this reference)
4.1	Specimen Common Share Certificate of National Storage Affiliates Trust (Exhibit 4.1 to the Registration Statement on Form S-11/A filed with the SEC on April 20, 2015, is incorporated herein by reference)
4.2	Form of Specimen Certificate of Series A Preferred Shares of National Storage Affiliates Trust (Exhibit 4.1 to the Registration Statement on Form 8-A filed with the SEC on October 10, 2017, is incorporated herein by this reference)
10.1	Employment Agreement, dated as of April 1, 2020, by and between National Storage Affiliates Trust and David Cramer (Exhibit 10.1 to the Current Report on Form 8-K filed with the SEC on April 6, 2020, is incorporated herein by this reference)
10.2	Amended and Restated Employment Agreement, effective as of January 1, 2020, by and between National Storage Affiliates Trust and Arlen D. Nordhagen (Exhibit 10.3 to the Current Report on Form 8-K filed with the SEC on April 6, 2020, is incorporated herein by this reference)
10.3	Amended and Restated Employment Agreement, effective as of January 1, 2020, by and between National Storage Affiliates Trust and Tamara D. Fischer (Exhibit 10.4 to the Current Report on Form 8-K filed with the SEC on April 6, 2020, is incorporated herein by this reference)
10.4	Amended and Restated Employment Agreement, effective as of January 1, 2020, by and between National Storage Affiliates Trust and Brandon S. Togashi (Exhibit 10.5 to the Current Report on Form 8-K filed with the SEC on April 6, 2020, is incorporated herein by this reference)
10.5	Letter Agreement dated as of April 2, 2020, by and between National Storage Affiliates Trust and Arlen D. Nordhagen. (Exhibit 10.6 to the Current Report on Form 8-K filed with the SEC on April 6, 2020, is incorporated herein by this reference)
10.6	Letter Agreement dated as of April 2, 2020, by and between National Storage Affiliates Trust and David Cramer. (Exhibit 10.7 to the Current Report on Form 8-K filed with the SEC on April 6, 2020, is incorporated herein by this reference)
31.1*	Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as amended, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as amended, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS*	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

54

101.SCH*	Inline XBRL Taxonomy Extension Schema
101.CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase
101.DEF*	Inline XBRL Taxonomy Extension Definition Linkbase
101.LAB*	Inline XBRL Taxonomy Extension Label Linkbase
101.PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase
104*	Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)
*	Filed herewith.
**	Furnished herewith.

55

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.

	National Storage Affiliates Trust
By:	/s/ TAMARA D. FISCHER
	Tamara D. Fischer
	president and chief executive officer
	(principal executive officer)
By:	/s/ BRANDON S. TOGASHI
	Brandon S. Togashi
	chief financial officer
	(principal accounting and financial officer)

Date: August 7, 2020

56

EX-31.1

Exhibit 31.1

Chief Executive Officer Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Tamara D. Fischer, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of National Storage Affiliates Trust;

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 officer(s) 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 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 officer(s) 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 trustees (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control 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 control over financial reporting.

Date: August 7, 2020

By:	/s/ Tamara D. Fischer
	Tamara D. Fischer
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Chief Financial Officer Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Brandon S. Togashi, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of National Storage Affiliates Trust;

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 officer(s) 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 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 officer(s) 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 trustees (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control 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 control over financial reporting.

Date: August 7, 2020

By:	/s/ Brandon S. Togashi
	Brandon S. Togashi
	Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification, 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

In connection with the Quarterly Report of National Storage Affiliates Trust (the “Company”) on Form 10-Q for the period ended June 30, 2020 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Tamara D. Fischer, President and Chief Executive Officer of the Company, and I, Brandon S. Togashi, Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

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

Date: August 7, 2020

By:	/s/ Tamara D. Fischer
	Tamara D. Fischer
	President and Chief Executive Officer

By:	/s/ Brandon S. Togashi
	Brandon S. Togashi
	Chief Financial Officer

Pursuant to the Securities and Exchange Commission Release 33-8238, dated June 5, 2003, this certification is being furnished and shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or incorporated by reference in any registration statement of the Company filed under the Securities Act of 1933, as amended.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

COVER PAGE - shares	6 Months Ended
	Jun. 30, 2020	Aug. 06, 2020
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	001-37351
Entity Registrant Name	National Storage Affiliates Trust
Entity Central Index Key	0001618563
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	46-5053858
Entity Address, Address Line One	8400 East Prentice Avenue, 9th Floor
Entity Address, City or Town	Greenwood Village
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80111
City Area Code	720
Local Phone Number	630-2600
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		68,789,688
Common Shares of Beneficial Interest, $0.01 par value per share
Entity Information [Line Items]
Title of 12(b) Security	Common Shares of Beneficial Interest, $0.01 par value per share
Trading Symbol	NSA
Security Exchange Name	NYSE
Series A Cumulative Redeemable Preferred Shares of Beneficial Interest, par value $0.01 per share
Entity Information [Line Items]
Title of 12(b) Security	Series A Cumulative Redeemable Preferred Shares of Beneficial Interest, par value $0.01 per share
Trading Symbol	NSA Pr A
Security Exchange Name	NYSE

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Real estate
Self storage properties	$ 3,354,454	$ 3,091,719
Less accumulated depreciation	(389,828)	(337,822)
Self storage properties, net	2,964,626	2,753,897
Cash and cash equivalents	17,271	20,558
Restricted cash	5,635	3,718
Debt issuance costs, net	2,900	3,264
Investment in unconsolidated real estate ventures	210,114	214,061
Other assets	60,927	65,441
Operating lease right-of-use assets	23,577	23,306
Total assets	3,285,050	3,084,245
Liabilities
Debt financing	1,741,544	1,534,047
Accounts payable and accrued liabilities	42,641	37,966
Interest rate swap liabilities	91,175	19,943
Operating lease liabilities	25,095	24,665
Deferred revenue	15,850	15,523
Total liabilities	1,916,305	1,632,144
Commitments and contingencies (Note 11)
Equity
Preferred shares of beneficial interest, par value $0.01 per share. 50,000,000 authorized, 8,732,719 and 8,727,119 issued and outstanding at June 30, 2020 and December 31, 2019, at liquidation preference	218,318	218,178
Common shares of beneficial interest, par value $0.01 per share. 250,000,000 authorized, 68,703,733 and 59,659,108 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively	687	597
Additional paid-in capital	984,950	905,763
Distributions in excess of earnings	(228,924)	(197,075)
Accumulated other comprehensive loss	(57,462)	(7,833)
Total shareholders' equity	917,569	919,630
Noncontrolling interests	451,176	532,471
Total equity	1,368,745	1,452,101
Total liabilities and equity	$ 3,285,050	$ 3,084,245

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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares	Jun. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Series A Preferred shares of beneficial interest, par value (in dollars per share)	$ 0.01	$ 0.01
Series A Preferred shares of beneficial interest, authorized (in shares)	50,000,000	50,000,000
Series A Preferred shares of beneficial interest, issued (in shares)	8,732,719	8,727,119
Series A Preferred shares of beneficial interest, outstanding (in shares)	8,732,719	8,727,119
Common shares of beneficial interest, par value (in dollars per share)	$ 0.01	$ 0.01
Common shares of beneficial interest, authorized (in shares)	250,000,000	250,000,000
Common shares of beneficial interest, issued (in shares)	68,703,733	59,659,108
Common shares of beneficial interest, outstanding (in shares)	68,703,733	59,659,108

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
REVENUE
Rental revenue	$ 95,302	$ 87,175	$ 190,704	$ 170,030
Total revenue	104,417	95,419	208,639	185,991
OPERATING EXPENSES
Property operating expenses	30,257	27,190	60,849	53,647
General and administrative expenses	10,329	10,813	21,423	21,193
Depreciation and amortization	29,309	25,829	58,414	50,178
Other	462	357	851	743
Total operating expenses	70,357	64,189	141,537	125,761
OTHER (EXPENSE) INCOME
Interest expense	(15,513)	(13,947)	(31,141)	(27,158)
Equity in earnings (losses) of unconsolidated real estate ventures	52	(1,646)	(288)	(3,748)
Acquisition costs	(252)	(305)	(1,085)	(462)
Non-operating expense	(317)	(169)	(509)	(267)
Gain on sale of self storage properties	0	2,814	0	2,814
Other expense	(16,030)	(13,253)	(33,023)	(28,821)
Income before income taxes	18,030	17,977	34,079	31,409
Income tax expense	(243)	(244)	(529)	(736)
Net income	17,787	17,733	33,550	30,673
Net income attributable to noncontrolling interests	(7,365)	(25,389)	(16,480)	(30,918)
Net income (loss) attributable to National Storage Affiliates Trust	10,422	(7,656)	17,070	(245)
Distributions to preferred shareholders	(3,274)	(3,257)	(6,547)	(5,845)
Net income (loss) attributable to common shareholders	$ 7,148	$ (10,913)	$ 10,523	$ (6,090)
Earnings (loss) per common share - basic and diluted
Earnings (loss) per share - basic and diluted (in dollars per share)	$ 0.10	$ (0.19)	$ 0.16	$ (0.11)
Weighted average shares outstanding - basic and diluted (in shares)	68,210	57,543	64,004	57,101
Dividends declared per common share (in dollars per share)	$ 0.33	$ 0.32	$ 0.66	$ 0.62
Other property-related revenue
REVENUE
Revenue	$ 3,418	$ 3,128	$ 6,789	$ 5,952
Management fees and other revenue
REVENUE
Revenue	$ 5,697	$ 5,116	$ 11,146	$ 10,009

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 17,787	$ 17,733	$ 33,550	$ 30,673
Other comprehensive (loss) income
Unrealized loss on derivative contracts	(10,423)	(19,075)	(76,792)	(27,114)
Reclassification of other comprehensive loss (income) to interest expense	3,934	(1,277)	4,546	(2,553)
Other comprehensive (loss) income	(6,489)	(20,352)	(72,246)	(29,667)
Comprehensive (loss) income	11,298	(2,619)	(38,696)	1,006
Comprehensive (income) loss attributable to noncontrolling interests	(5,172)	(18,029)	9,177	(20,160)
Comprehensive income (loss) attributable to National Storage Affiliates Trust	$ 6,126	$ (20,648)	$ (29,519)	$ (19,154)

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Shares of Beneficial Interest, $0.01 par value per share	Series A Cumulative Redeemable Preferred Shares of Beneficial Interest, par value $0.01 per share	Series A-1 preferred units, OP units, and subordinated performance units	OP units	Preferred Shares	Preferred Shares Series A Cumulative Redeemable Preferred Shares of Beneficial Interest, par value $0.01 per share	Common Shares	Common Shares Common Shares of Beneficial Interest, $0.01 par value per share	Additional Paid-in Capital	Additional Paid-in Capital Common Shares of Beneficial Interest, $0.01 par value per share	Additional Paid-in Capital Series A Cumulative Redeemable Preferred Shares of Beneficial Interest, par value $0.01 per share	Distributions In Excess Of Earnings	Accumulated Other Comprehensive (Loss) Income	Noncontrolling Interests	Noncontrolling Interests Series A-1 preferred units, OP units, and subordinated performance units	Noncontrolling Interests OP units
Balances (in shares) at Dec. 31, 2018						6,900,000
Balances (in shares) at Dec. 31, 2018								56,654,009
Balances at Dec. 31, 2018	$ 1,402,299					$ 172,500		$ 567		$ 844,276			$ (114,122)	$ 13,618	$ 485,460
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of equity units				$ 32,856												$ 32,856
Redemptions of equity units (in shares)								29,910
Redemptions of equity units	0							$ 0		250				7	(257)
Effect of changes in ownership for consolidated entities	0									(5,385)				(182)	5,567
Equity-based compensation expense	1,112									90					1,022
Issuance of LTIP units for acquisition expenses	5														5
Issuance of restricted common shares (in shares)								18,218
Issuance of restricted common shares	0
Vesting and forfeitures of restricted common shares, net (in shares)								(3,451)
Vesting and forfeitures of restricted common shares, net	(69)									(69)
Reduction in receivables from partners of the operating partnership	139														139
Preferred share dividends	(2,588)												(2,588)
Common share dividends	(17,010)												(17,010)
Distributions to noncontrolling interests	(17,181)														(17,181)
Other comprehensive income (loss)	(9,315)													(5,917)	(3,398)
Net income (loss)	12,940												7,411		5,529
Balances (in shares) at Mar. 31, 2019						6,900,000
Balances (in shares) at Mar. 31, 2019								56,698,686
Balances at Mar. 31, 2019	1,403,188					$ 172,500		$ 567		839,162			(126,309)	7,526	509,742
Balances (in shares) at Dec. 31, 2018						6,900,000
Balances (in shares) at Dec. 31, 2018								56,654,009
Balances at Dec. 31, 2018	1,402,299					$ 172,500		$ 567		844,276			(114,122)	13,618	485,460
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	(29,667)
Net income (loss)	30,673
Balances (in shares) at Jun. 30, 2019						8,685,680
Balances (in shares) at Jun. 30, 2019								59,296,969
Balances at Jun. 30, 2019	1,498,784					$ 217,142		$ 593		901,499			(156,192)	(5,466)	541,208
Balances (in shares) at Mar. 31, 2019						6,900,000
Balances (in shares) at Mar. 31, 2019								56,698,686
Balances at Mar. 31, 2019	1,403,188					$ 172,500		$ 567		839,162			(126,309)	7,526	509,742
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of equity units				15,515	$ 8,540											15,515	$ 8,540
Redemptions of equity units (in shares)								224,618
Redemptions of equity units	0							$ 2		1,839				28	(1,869)
Issuance of shares, net of offering costs (in shares)							1,785,680	2,375,000
Issuance of shares, net of offering costs	70,637		$ 43,624				$ 44,642	$ 24		70,613		$ (1,018)
Effect of changes in ownership for consolidated entities	0									(9,179)				(28)	9,207
Equity-based compensation expense	1,108									82					1,026
Issuance of LTIP units for acquisition expenses	56														56
Vesting and forfeitures of restricted common shares, net (in shares)								(1,335)
Vesting and forfeitures of restricted common shares, net	0									0
Preferred share dividends	(3,257)												(3,257)
Common share dividends	(18,970)												(18,970)
Distributions to noncontrolling interests	(19,038)														(19,038)
Other comprehensive income (loss)	(20,352)													(12,992)	(7,360)
Net income (loss)	17,733												(7,656)		25,389
Balances (in shares) at Jun. 30, 2019						8,685,680
Balances (in shares) at Jun. 30, 2019								59,296,969
Balances at Jun. 30, 2019	$ 1,498,784					$ 217,142		$ 593		901,499			(156,192)	(5,466)	541,208
Balances (in shares) at Dec. 31, 2019	8,727,119					8,727,119
Balances (in shares) at Dec. 31, 2019	59,659,108							59,659,108
Balances at Dec. 31, 2019	$ 1,452,101					$ 218,178		$ 597		905,763			(197,075)	(7,833)	532,471
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of equity units				6,206												6,206
Redemptions of equity units (in shares)								118,961
Redemptions of equity units	0							$ 1		1,437				(62)	(1,376)
LTIP units	1,011														1,011
Issuance of shares, net of offering costs (in shares)									125,000
Issuance of shares, net of offering costs		$ 4,249							$ 1		$ 4,248
Merger and internalization of PRO, net of issuance costs (in shares)								8,105,192
Merger and internalization of PRO, net of issuance costs	9,595							$ 81		43,499				(402)	(33,583)
Redemption of Series A-1 preferred units (in shares)						5,600
Redemption of Series A-1 preferred units	0					$ 140									(140)
Effect of changes in ownership for consolidated entities	0									15,857				(2,265)	(13,592)
Equity-based compensation expense	774									76					698
Issuance of LTIP units for acquisition expenses	40														40
Issuance of restricted common shares (in shares)								21,861
Issuance of restricted common shares	0
Vesting and forfeitures of restricted common shares, net (in shares)								(2,910)
Vesting and forfeitures of restricted common shares, net	(94)									(94)
Preferred share dividends	(3,273)												(3,273)
Common share dividends	(19,747)												(19,747)
Distributions to noncontrolling interests	(19,813)														(19,813)
Other comprehensive income (loss)	(65,757)													(42,293)	(23,464)
Net income (loss)	15,763												6,648		9,115
Balances (in shares) at Mar. 31, 2020						8,732,719
Balances (in shares) at Mar. 31, 2020								68,027,212
Balances at Mar. 31, 2020	$ 1,381,055					$ 218,318		$ 680		970,786			(213,447)	(52,855)	457,573
Balances (in shares) at Dec. 31, 2019	8,727,119					8,727,119
Balances (in shares) at Dec. 31, 2019	59,659,108							59,659,108
Balances at Dec. 31, 2019	$ 1,452,101					$ 218,178		$ 597		905,763			(197,075)	(7,833)	532,471
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other comprehensive income (loss)	(72,246)
Net income (loss)	$ 33,550
Balances (in shares) at Jun. 30, 2020	8,732,719					8,732,719
Balances (in shares) at Jun. 30, 2020	68,703,733							68,703,733
Balances at Jun. 30, 2020	$ 1,368,745					$ 218,318		$ 687		984,950			(228,924)	(57,462)	451,176
Balances (in shares) at Mar. 31, 2020						8,732,719
Balances (in shares) at Mar. 31, 2020								68,027,212
Balances at Mar. 31, 2020	1,381,055					$ 218,318		$ 680		970,786			(213,447)	(52,855)	457,573
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of equity units				$ 5,842												$ 5,842
Redemptions of equity units (in shares)								292,291
Redemptions of equity units	0							$ 3		3,438				(238)	(3,203)
Issuance of shares, net of offering costs (in shares)									387,000
Issuance of shares, net of offering costs		$ 11,916							$ 4		$ 11,912
Effect of changes in ownership for consolidated entities	0									(1,286)				(73)	1,359
Equity-based compensation expense	1,151									100					1,051
Vesting and forfeitures of restricted common shares, net (in shares)								(2,770)
Vesting and forfeitures of restricted common shares, net	0									0
Reduction in receivables from partners of the operating partnership	225														225
Preferred share dividends	(3,274)												(3,274)
Common share dividends	(22,625)												(22,625)
Distributions to noncontrolling interests	(16,843)														(16,843)
Other comprehensive income (loss)	(6,489)													(4,296)	(2,193)
Net income (loss)	$ 17,787												10,422		7,365
Balances (in shares) at Jun. 30, 2020	8,732,719					8,732,719
Balances (in shares) at Jun. 30, 2020	68,703,733							68,703,733
Balances at Jun. 30, 2020	$ 1,368,745					$ 218,318		$ 687		$ 984,950			$ (228,924)	$ (57,462)	$ 451,176

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
OPERATING ACTIVITIES
Net income	$ 33,550	$ 30,673
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	58,414	50,178
Amortization of debt issuance costs	1,521	1,414
Amortization of debt discount and premium, net	(711)	(708)
Gain on sale of self storage properties	0	(2,814)
Mark-to-market changes in value on equity securities	142	0
Equity-based compensation expense	1,925	2,220
Equity in losses of unconsolidated real estate ventures	288	3,748
Distributions from unconsolidated real estate ventures	6,761	7,065
Change in assets and liabilities, net of effects of self storage property acquisitions:
Other assets	1,212	119
Accounts payable and accrued liabilities	3,093	2,893
Deferred revenue	(512)	(1,313)
Net Cash Provided by Operating Activities	105,683	93,475
INVESTING ACTIVITIES
Acquisition of self storage properties	(239,138)	(307,791)
Capital expenditures	(8,583)	(10,443)
Investments in and advances to unconsolidated real estate ventures	(3,125)	0
Distributions from unconsolidated real estate ventures	0	1,017
Deposits and advances for self storage property and other acquisitions	(294)	(175)
Proceeds from sale of equity securities	7,560	0
Expenditures for corporate furniture, equipment and other	(318)	(416)
Acquisition of interest in reinsurance company and related cash flows	0	(6,600)
Proceeds from sale of self storage properties	0	6,335
Net Cash Used In Investing Activities	(243,898)	(318,073)
FINANCING ACTIVITIES
Proceeds from issuance of common shares	16,165	70,637
Proceeds from issuance of preferred shares	0	43,624
Borrowings under debt financings	311,000	499,000
Receipts for OP unit subscriptions	661	318
Principal payments under debt financings	(103,911)	(306,538)
Payment of dividends to common shareholders	(42,372)	(35,980)
Distributions to preferred shareholders	(6,547)	(5,845)
Distributions to noncontrolling interests	(36,431)	(36,080)
Debt issuance costs	(835)	(987)
Equity offering costs	(885)	(161)
Net Cash Provided By Financing Activities	136,845	227,988
(Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(1,370)	3,390
CASH, CASH EQUIVALENTS AND RESTRICTED CASH
Beginning of period	24,276	16,363
End of period	22,906	19,753
Supplemental Cash Flow and Noncash Information
Cash paid for interest	30,366	25,999
Operating lease right-of-use assets on balance sheet due to implementation of leases standard	23,577	22,971
Operating lease liabilities on balance sheet due to implementation of leases standard	25,095	24,152
Redemptions and conversions of partnership interests	33,583	0
Issuance of common shares for management platform	$ 10,301	$ 0

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ORGANIZATION AND NATURE OF OPERATIONS

6 Months Ended

Jun. 30, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

ORGANIZATION AND NATURE OF OPERATIONS

ORGANIZATION AND NATURE OF OPERATIONS

National Storage Affiliates Trust was organized in the state of Maryland on May 16, 2013 and is a fully integrated, self-administered and self-managed real estate investment trust focused on the self storage sector. As used herein, "NSA," the "Company," "we," "our," and "us" refers to National Storage Affiliates Trust and its consolidated subsidiaries, except where the context indicates otherwise. The Company has elected and believes that it has qualified to be taxed as a real estate investment trust for U.S. federal income tax purposes ("REIT") commencing with its taxable year ended December 31, 2015.

Through its controlling interest as the sole general partner of NSA OP, LP (its "operating partnership"), a Delaware limited partnership formed on February 13, 2013, the Company is focused on the ownership, operation, and acquisition of self storage properties located within the top 100 metropolitan statistical areas throughout the United States. Pursuant to the Agreement of Limited Partnership (as amended, the "LP Agreement") of its operating partnership, the Company's operating partnership is authorized to issue preferred units, Class A Units ("OP units"), different series of Class B Units ("subordinated performance units"), and Long-Term Incentive Plan Units ("LTIP units"). The Company also owns certain of its self storage properties through other consolidated limited partnership subsidiaries of its operating partnership, which the Company refers to as "DownREIT partnerships." The DownREIT partnerships issue equity ownership interests that are intended to be economically equivalent to the Company's OP units ("DownREIT OP units") and subordinated performance units ("DownREIT subordinated performance units").

The Company owned 607 consolidated self storage properties in 29 states and Puerto Rico with approximately 36.6 million rentable square feet in approximately 291,000 storage units as of June 30, 2020. These properties are managed with local operational focus and expertise by the Company and its participating regional operators ("PROs"). These PROs are Kevin Howard Real Estate Inc., d/b/a Northwest Self Storage and its controlled affiliates ("Northwest"), Optivest Properties LLC and its controlled affiliates ("Optivest"), Guardian Storage Centers LLC and its controlled affiliates ("Guardian"), Move It Self Storage and its controlled affiliates ("Move It"), Arizona Mini Storage Management Company d/b/a Storage Solutions and its controlled affiliates ("Storage Solutions"), Hide-Away Storage Services, Inc. and its controlled affiliates ("Hide-Away"), an affiliate of Shader Brothers Corporation d/b/a Personal Mini Storage ("Personal Mini"), Southern Storage Management Systems, Inc. d/b/a Southern Self Storage ("Southern") and affiliates of Investment Real Estate Management, LLC d/b/a Moove In Self Storage of York, Pennsylvania ("Moove In").

On March 31, 2020, the Company closed on the mergers of its largest PRO, SecurCare Self Storage, Inc. and its controlled affiliates ("SecurCare"), and DLAN Corporation ("DLAN") with and into wholly-owned subsidiaries of the Company. As a result of the mergers, SecurCare's property management platform and related intellectual property were internalized by the Company, and the Company no longer pays any supervisory and administrative fees or reimbursements to SecurCare. In addition, distributions on the series of subordinated performance units related to SecurCare's managed portfolio were discontinued. As part of the internalization, most of SecurCare's employees and other key persons were offered and provided employment by the Company and continue managing SecurCare's portfolio of properties under the brand SecurCare as members of the Company's existing property management platform.

As of June 30, 2020, the Company also managed through its property management platform an additional portfolio of 177 properties owned by the Company's unconsolidated real estate ventures. These properties contain approximately 12.6 million rentable square feet, configured in approximately 104,000 storage units and located across 21 states. The Company owns a 25% equity interest in each of its unconsolidated real estate ventures.

As of June 30, 2020, in total, the Company operated and held ownership interests in 784 self storage properties located across 35 states and Puerto Rico with approximately 49.2 million rentable square feet in approximately 394,000 storage units.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying condensed consolidated financial statements are presented on the accrual basis of accounting in accordance with U.S. generally accepted accounting principles ("GAAP") and have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC") regarding interim financial reporting. Accordingly, certain information and footnote disclosures required by GAAP for

complete financial statements have been condensed or omitted in accordance with such rules and regulations. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the condensed consolidated financial statements have been included. The Company's results of operations for the quarterly and year to date periods are not necessarily indicative of the results to be expected for the full year or any other future period.

Principles of Consolidation

The Company's financial statements include the accounts of its operating partnership and its controlled subsidiaries. All significant intercompany balances and transactions have been eliminated in the consolidation of entities.

When the Company obtains an economic interest in an entity, the Company evaluates the entity to determine if the entity is deemed a variable interest entity ("VIE"), and if the Company is deemed to be the primary beneficiary, in accordance with authoritative guidance issued on the consolidation of VIEs. When an entity is not deemed to be a VIE, the Company considers the provisions of additional guidance to determine whether the general partner controls a limited partnership or similar entity when the limited partners have certain rights. The Company consolidates all entities that are VIEs and of which the Company is deemed to be the primary beneficiary. The Company has determined that its operating partnership is a VIE. The sole significant asset of National Storage Affiliates Trust is its investment in its operating partnership, and consequently, substantially all of the Company’s assets and liabilities represent those assets and liabilities of its operating partnership.

As of June 30, 2020 and December 31, 2019, the Company's operating partnership was the primary beneficiary of, and therefore consolidated, 21 DownREIT partnerships that are considered VIEs, which owned 34 self storage properties. The net book value of the real estate owned by these VIEs was $229.2 million and $233.1 million as of June 30, 2020 and December 31, 2019, respectively. For certain DownREIT partnerships which are subject to fixed rate mortgages payable, the carrying value of such fixed rate mortgages payable held by these VIEs was $135.4 million and $136.4 million as of June 30, 2020 and December 31, 2019, respectively. The creditors of the consolidated VIEs do not have recourse to the Company's general credit.

Reclassifications

Certain amounts in the condensed consolidated financial statements and related notes have been reclassified to conform to the current year presentation. Such reclassifications do not impact the Company's previously reported financial position or net income (loss).

Revenue Recognition

Rental revenue

Rental revenue consists of space rentals and related fees. Management has determined that all of the Company's leases are operating leases. Substantially all leases may be terminated on a month-to-month basis and rental income is recognized ratably over the lease term using the straight-line method. Rents received in advance are deferred and recognized on a straight-line basis over the related lease term associated with the prepayment. Promotional discounts and other incentives are recognized as a reduction to rental income over the applicable lease term.

Other property-related revenue

Other property-related revenue primarily consists of ancillary revenues such as tenant insurance and/or tenant warranty protection-related access fees and sales of storage supplies which are recognized in the period earned.

The Company and certain of the Company’s PROs have tenant insurance- and/or tenant warranty protection plan-related arrangements with insurance companies and the Company’s tenants. During the three months ended June 30, 2020 and 2019, the Company recognized $2.7 million and $2.2 million, respectively, of tenant insurance and tenant warranty protection plan revenues and during the six months ended June 30, 2020 and 2019, the Company recognized $5.3 million and $4.3 million, respectively, of tenant insurance and tenant warranty protection plan revenues.

The Company sells boxes, packing supplies, locks and other retail merchandise at its properties. During the three months ended June 30, 2020 and 2019, the Company recognized retail sales of $0.4 million and $0.5 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized retail sales of $0.8 million and $0.9 million, respectively.

Management fees and other revenue

Management fees and other revenue consist of property management fees, platform fees, call center fees, acquisition fees, and a portion of tenant warranty protection or tenant insurance proceeds that the Company earns for managing and operating its unconsolidated real estate ventures.

With respect to both the 2018 Joint Venture and the 2016 Joint Venture (as each is defined in Note 5), the Company provides supervisory and administrative property management services, centralized call center services, and technology platform and revenue management services to the properties in the unconsolidated real estate ventures. The property management fees are equal to 6% of monthly gross revenues and net sales revenues from the assets of the unconsolidated real estate ventures, and the platform fees are equal to $1,250 per month per unconsolidated real estate venture property. With respect to the 2016 Joint Venture only, the call center fees are equal to 1% of each of monthly gross revenues and net sales revenues from the 2016 Joint Venture properties. During the three months ended June 30, 2020 and 2019, the Company recognized property management fees, call center fees and platform fees of $3.2 million and $3.2 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized property management fees, call center fees and platform fees of $6.4 million and $6.4 million, respectively.

For acquisition fees, the Company provides sourcing, underwriting and administration services to the unconsolidated real estate ventures. The 2016 Joint Venture paid the Company a $4.1 million acquisition fee equal to 0.65% of the gross capitalization (including debt and equity) of the original 66-property 2016 Joint Venture portfolio (the "Initial 2016 JV Portfolio") in 2016, at the time of the Initial 2016 JV Portfolio acquisition. The 2018 Joint Venture paid the Company a $4.0 million acquisition fee related to the initial acquisition of properties by the 2018 Joint Venture (the "Initial 2018 JV Portfolio") in 2018, at the time of the Initial 2018 JV Portfolio acquisition. These fees are refundable to the unconsolidated real estate ventures, on a prorated basis, if the Company is removed as the managing member during the initial four year life of the unconsolidated real estate ventures and as such, the Company's performance obligation for these acquisition fees are satisfied over a four year period. As of June 30, 2020 and December 31, 2019, the Company had deferred revenue related to the acquisition fees of $1.9 million and $2.8 million, respectively.

The Company also earns acquisition fees for properties acquired by the unconsolidated real estate ventures subsequent to the Initial 2016 JV Portfolio and the Initial 2018 JV Portfolio. These fees are based on a percentage of the gross capitalization of the acquired assets determined by the members of the 2016 Joint Venture and the 2018 Joint Venture, and are generally earned when the unconsolidated real estate ventures obtain title and control of an acquired property. During the three months ended June 30, 2020 and 2019, the Company recognized acquisition fees of $0.4 million and $0.5 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized acquisition fees of $0.9 million and $1.0 million, respectively.

An affiliate of the Company facilitates tenant warranty protection or tenant insurance programs for tenants of the properties in the unconsolidated real estate ventures in exchange for 50% of all proceeds from such programs at each unconsolidated real estate venture property. During the three months ended June 30, 2020 and 2019, the Company recognized $1.9 million and $1.2 million, respectively, of revenue related to these activities and during the six months ended June 30, 2020 and 2019, the Company recognized $3.5 million and $2.4 million, respectively, of revenue related to these activities.

Gain on sale of self storage properties

The Company recognizes gains from disposition of facilities only upon closing in accordance with the guidance on sales of nonfinancial assets. Profit on real estate sold is recognized upon closing when all, or substantially all, of the promised consideration has been received and is nonrefundable and the Company has transferred control of the facilities to the purchaser.

Investments in Unconsolidated Real Estate Ventures

The Company’s investments in its unconsolidated real estate ventures are recorded under the equity method of accounting in the accompanying condensed consolidated financial statements. Under the equity method, the Company’s investments in unconsolidated real estate ventures are stated at cost and adjusted for the Company’s share of net earnings or losses and reduced by distributions. Equity in earnings (losses) is recognized based on the Company’s ownership interest in the earnings (losses) of the unconsolidated real estate ventures. The Company follows the "nature of the distribution approach" for classification of distributions from its unconsolidated real estate

ventures in its condensed consolidated statements of cash flows. Under this approach, distributions are reported on the basis of the nature of the activity or activities that generated the distributions as either a return on investment, which are classified as operating cash flows, or a return of investment (e.g., proceeds from the unconsolidated real estate ventures' sale of assets) which are reported as investing cash flows.

Noncontrolling Interests

All of the limited partner equity interests ("OP equity") in the operating partnership not held by the Company are reflected as noncontrolling interests. Noncontrolling interests also include ownership interests in DownREIT partnerships held by entities other than the operating partnership or its subsidiaries. In the condensed consolidated statements of operations, the Company allocates net income (loss) attributable to noncontrolling interests to arrive at net income (loss) attributable to National Storage Affiliates Trust.

For transactions that result in changes to the Company's ownership interest in its operating partnership, the carrying amount of noncontrolling interests is adjusted to reflect such changes. The difference between the fair value of the consideration received or paid and the amount by which the noncontrolling interest is adjusted is reflected as an adjustment to additional paid-in capital on the condensed consolidated balance sheets.

Allocation of Net Income (Loss)

The distribution rights and priorities set forth in the operating partnership's LP Agreement differ from what is reflected by the underlying percentage ownership interests of the unitholders. Accordingly, the Company allocates GAAP income (loss) utilizing the hypothetical liquidation at book value ("HLBV") method, in which the Company allocates income or loss based on the change in each unitholders’ claim on the net assets of its operating partnership at period end after adjusting for any distributions or contributions made during such period. The HLBV method is commonly applied to equity investments where cash distribution percentages vary at different points in time and are not directly linked to an equity holder’s ownership percentage.

The HLBV method is a balance sheet-focused approach to income (loss) allocation. A calculation is prepared at each balance sheet date to determine the amount that unitholders would receive if the operating partnership were to liquidate all of its assets (at GAAP net book value) and distribute the resulting proceeds to its creditors and unitholders based on the contractually defined liquidation priorities. The difference between the calculated liquidation distribution amounts at the beginning and the end of the reporting period, after adjusting for capital contributions and distributions, is used to derive each unitholder's share of the income (loss) for the period. Due to the stated liquidation priorities and because the HLBV method incorporates non-cash items such as depreciation expense, in any given period, income or loss may be allocated disproportionately to unitholders as compared to their respective ownership percentage in the operating partnership, and net income (loss) attributable to National Storage Affiliates Trust could be more or less net income than actual cash distributions received and more or less income or loss than what may be received in the event of an actual liquidation. Additionally, the HLBV method could result in net income (or net loss) attributable to National Storage Affiliates Trust during a period when the Company reports consolidated net loss (or net income), or net income (or net loss) attributable to National Storage Affiliates Trust in excess of the Company's consolidated net income (or net loss). The computations of basic and diluted earnings (loss) per share may be materially affected by these disproportionate income (loss) allocations, resulting in volatile fluctuations of basic and diluted earnings (loss) per share.

Other Comprehensive Income (Loss)

The Company has cash flow hedge derivative instruments that are measured at fair value with unrealized gains or losses recognized in other comprehensive income (loss) with a corresponding adjustment to accumulated other comprehensive income (loss) within equity, as discussed further in Note 12. Under the HLBV method of allocating income (loss) discussed above, a calculation is prepared at each balance sheet date by applying the HLBV method including, and excluding, the assets and liabilities resulting from the Company's cash flow hedge derivative instruments to determine comprehensive income (loss) attributable to National Storage Affiliates Trust. As a result of the distribution rights and priorities set forth in the operating partnership's LP Agreement, in any given period, other comprehensive income (loss) may be allocated disproportionately to unitholders as compared to their respective ownership percentage in the operating partnership and as compared to their respective allocation of net income (loss).

Restricted Cash

The Company's restricted cash consists of escrowed funds deposited with financial institutions for real estate taxes, insurance and other reserves for capital improvements in accordance with the Company's loan agreements.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Recent Accounting Pronouncements

In March 2020, the Financial Accounting Standards Board issued ASU 2020-04, Reference Rate Reform (Topic 848). ASU 2020-04 contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. During the six months ended June 30, 2020, the Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. The Company continues to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur. See Note 12 for additional detail about the Company's derivatives.

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SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS

SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS

Shareholders' Equity

Internalization and Acquisition of PRO

As discussed in Note 1 and further below, on March 31, 2020, the Company closed on the previously announced mergers of SecurCare and DLAN with and into wholly-owned subsidiaries of the Company. In connection with the mergers, the Company issued 8,105,192 common shares to the owners of SecurCare and DLAN, which represented a 1% discount to an aggregate of 8,187,052 OP units that each of SecurCare and DLAN owned or was entitled to receive immediately prior to the mergers (after rounding up to the next whole number of common shares). Of the total number of common shares issued to the owners of SecurCare, 4,063,571 common shares were issued to Arlen Nordhagen, the Company's executive chairman and former chief executive officer, who owned approximately 53% of SecurCare's outstanding shares, and 1,858,737 common shares were issued to David Cramer, the Company's chief operating officer, who owned approximately 24% of SecurCare's outstanding shares. In connection with the mergers and the issuance of the Company's common shares to Mr. Nordhagen and Mr. Cramer, the Company formed a special committee of independent and disinterested trustees (the "Special Committee") to evaluate the merits and terms of the proposed transaction. In analyzing the proposed transaction, the Special Committee engaged an independent third party financial advisor to assist the Special Committee in analyzing and assessing the transaction, and to opine on the fairness to the Company of the consideration to be paid by the Company in the mergers. The Special Committee approved and recommended that the Company's board of trustees approve the proposed transaction. The transaction was approved unanimously by the disinterested trustees of the Company's board of trustees on February 19, 2020.

At the Market ("ATM") Program

On February 27, 2019, the Company entered into a sales agreement with certain sales agents, pursuant to which the Company may sell from time to time up to $250.0 million of the Company's common shares of beneficial interest, $0.01 par value per share ("common shares") and 6.000% Series A cumulative redeemable preferred shares of beneficial interest ("Series A preferred shares") in sales deemed to be "at the market" offerings. The sales agreement contemplates that, in addition to the issuance and sale by the Company of offered shares to or through the sale agents, the Company may enter into separate forward sale agreements with any forward purchaser. Forward sale agreements, if any, will include only the Company's common shares and will not include any Series A preferred shares. If the Company enters into a forward sale agreement with any forward purchaser, such forward purchaser will attempt to borrow from third parties and sell, through the related agent, acting as sales agent for such forward purchaser (each, a "forward seller"), offered shares, in an amount equal to the offered shares subject to such forward

sale agreement, to hedge such forward purchaser’s exposure under such forward sale agreement. The Company may offer the common shares and Series A preferred shares through the agents, as the Company's sales agents, or, as applicable, as forward seller, or directly to the agents or forward sellers, acting as principals, by means of, among others, ordinary brokers’ transactions on the NYSE or otherwise at market prices prevailing at the time of sale or at negotiated prices.

During the six months ended June 30, 2020, the Company sold 512,000 of its common shares through the ATM program at an average offering price of $32.41 per share, resulting in net proceeds to the Company of approximately $16.2 million, after deducting compensation payable by the Company to such agents and offering expenses.

Noncontrolling Interests

All of the OP equity in the Company's operating partnership not held by the Company are reflected as noncontrolling interests. Noncontrolling interests also include ownership interests in DownREIT partnerships held by entities other than the Company's operating partnership. NSA is the general partner of its operating partnership and is authorized to cause its operating partnership to issue additional partner interests, including OP units and subordinated performance units, at such prices and on such other terms as it determines in its sole discretion.

As of June 30, 2020 and December 31, 2019, units reflecting noncontrolling interests consisted of the following:

	June 30, 2020	December 31, 2019
Series A-1 preferred units	637,382	642,982
OP units	29,714,696	30,188,305
Subordinated performance units	8,715,751	11,014,195
LTIP units	765,840	743,566
DownREIT units
DownREIT OP units	1,924,918	1,848,261
DownREIT subordinated performance units	4,337,111	4,371,622
Total	46,095,698	48,808,931

Series A-1 Preferred Units

The 6.000% Series A-1 Cumulative Redeemable Preferred Units ("Series A-1 preferred units") rank senior to OP units and subordinated performance units in the Company's operating partnership with respect to distributions and liquidation. The Series A-1 preferred units have a stated value of $25.00 per unit and receive distributions at an annual rate of 6.000%. These distributions are cumulative. The Series A-1 preferred units are redeemable at the option of the holder after the first anniversary of the date of issuance, which redemption obligations may be satisfied at the Company’s option in cash in an amount equal to the market value of an equivalent number of the Series A preferred shares or the issuance of Series A preferred shares on a one-for-one basis, subject to adjustments. The Series A preferred shares are redeemable by the Company for a cash redemption price of $25.00 per share, plus accrued but unpaid dividends. The decrease in Series A-1 preferred units outstanding from December 31, 2019 to June 30, 2020 was due to the redemption of 5,600 Series A-1 preferred units for Series A preferred shares.

OP Units and DownREIT OP units

OP units in the Company's operating partnership are redeemable for cash or, at the Company's option, exchangeable for the Company's common shares on a one-for-one basis, and DownREIT OP units are redeemable for cash or, at the Company's option, exchangeable for OP units in its operating partnership on a one-for-one basis, subject to certain adjustments in each case. The holders of OP units are generally not entitled to elect redemption until one year after the issuance of the OP units. The holders of DownREIT OP units are generally not entitled to elect redemption until five years after the date of the contributor's initial contribution.

The decrease in OP units outstanding from December 31, 2019 to June 30, 2020 was due to the redemption of 411,252 OP units for common shares and the exchange of 368,500 DownREIT OP units in redemption of an equivalent number of outstanding OP units, which were subsequently retired by the operating partnership, offset by the following: 445,701 OP units issued upon the conversion of 332,738 subordinated performance units (as discussed further below), 356,392 OP units issued in connection with the acquisition of self storage properties and 214,512 LTIP units which were converted into an equivalent number of OP units. In addition, in connection with the completion of the SecurCare and DLAN mergers, the Company's operating partnership retired 710,462 OP Units.

The increase in DownREIT OP units outstanding from December 31, 2019 to June 30, 2020 was due to the exchange of 368,500 DownREIT OP units held by the operating partnership in redemption of an equivalent number of outstanding OP Units, which were subsequently retired by the operating partnership, and the issuance of 115,888 DownREIT OP units related to the conversion of 34,511 DownREIT subordinated performance units (as discussed further below) partially offset by the contribution of 407,731 DownREIT OP units (which were previously included in the above table because they were not held by the Company) to the operating partnership in connection with the SecurCare and DLAN mergers.

Subordinated Performance Units and DownREIT Subordinated Performance Units

Subordinated performance units may also, under certain circumstances, be convertible into OP units which are exchangeable for common shares as described above, and DownREIT subordinated performance units may, under certain circumstances, be exchangeable for subordinated performance units on a one-for-one basis. Subordinated performance units are only convertible into OP units after a two year lock-out period and then generally (i) at the holder’s election only upon the achievement of certain performance thresholds relating to the properties to which such subordinated performance units relate or (ii) at the Company's election upon a retirement event of a PRO that holds such subordinated performance units or upon certain qualifying terminations. The holders of DownREIT subordinated performance units are generally not entitled to elect redemption until at least five years after the date of the contributor's initial contribution.

Following such lock-out period, a holder of subordinated performance units in the Company's operating partnership may elect a voluntary conversion one time each year on or prior to December 1st to convert a pre-determined portion of such subordinated performance units into OP units in the Company's operating partnership, with such conversion effective January 1st of the following year, with each subordinated performance unit being converted into the number of OP units determined by dividing the average cash available for distribution, or CAD, per unit on the series of specific subordinated performance units over the one-year period prior to conversion by 110% of the CAD per unit on the OP units determined over the same period. CAD per unit on the series of specific subordinated performance units and OP units is determined by the Company based generally upon the application of the provisions of the LP Agreement applicable to the distributions of operating cash flow and capital transactions proceeds.

The decrease in subordinated performance units outstanding from December 31, 2019 to June 30, 2020 was due to the retirement of 2,001,441 subordinated performance units in connection with the SecurCare merger and the voluntary conversion of 332,738 subordinated performance units into 445,701 OP units, partially offset by the issuance of 35,735 subordinated performance units for co-investment by the Company's PROs in connection with the acquisition of self storage properties.

The decrease in DownREIT subordinated performance units outstanding from December 31, 2019 to June 30, 2020 was due to the conversion of 34,511 DownREIT subordinated performance units into 115,888 DownREIT OP units.

LTIP Units

LTIP units are a special class of partnership interest in the Company's operating partnership that allow the holder to participate in the ordinary and liquidating distributions received by holders of the OP units (subject to the achievement of specified levels of profitability by the Company's operating partnership or the achievement of certain events). LTIP units may also, under certain circumstances, be convertible into OP units on a one-for-one basis, which are then exchangeable for common shares as described above.

The increase in LTIP units outstanding from December 31, 2019 to June 30, 2020 was due to the conversion of 214,512 LTIP units into an equivalent number of OP units partially offset by the issuance of 236,786 compensatory LTIP units to employees, trustees and consultants, net of forfeitures.

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SELF STORAGE PROPERTIES

6 Months Ended

Jun. 30, 2020

Real Estate [Abstract]

SELF STORAGE PROPERTIES

SELF STORAGE PROPERTIES

Self storage properties are summarized as follows (dollars in thousands):

	June 30, 2020		December 31, 2019
Land	$	687,330	$	649,938
Buildings and improvements	2,659,837		2,435,171
Furniture and equipment	7,287		6,610
Total self storage properties	3,354,454		3,091,719
Less accumulated depreciation	(389,828)		(337,822)
Self storage properties, net	$	2,964,626	$	2,753,897

Depreciation expense related to self storage properties amounted to $26.3 million and $22.7 million during the three months ended June 30, 2020 and 2019, respectively, and $52.0 million and $44.2 million during the six months ended June 30, 2020 and 2019, respectively.

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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES

6 Months Ended

Jun. 30, 2020

Equity Method Investments and Joint Ventures [Abstract]

INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES

INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES

2018 Joint Venture

As of June 30, 2020, the Company's unconsolidated real estate venture, formed in September 2018 with an affiliate of Heitman America Real Estate REIT LLC (the "2018 Joint Venture"), owned and operated a portfolio of 103 self storage properties containing approximately 7.7 million rentable square feet, configured in approximately 64,000 storage units and located across 17 states.

2016 Joint Venture

As of June 30, 2020, the Company's unconsolidated real estate venture, formed in September 2016 with a state pension fund advised by Heitman Capital Management LLC (the "2016 Joint Venture"), owned and operated a portfolio of 74 properties containing approximately 4.9 million rentable square feet, configured in approximately 40,000 storage units and located across 13 states.

The 2016 Joint Venture acquired two self storage properties for $12.1 million during the six months ended June 30, 2020. The 2016 Joint Venture financed these acquisitions with capital contributions from the 2016 Joint Venture members, of which the Company contributed $3.1 million for its 25% proportionate share.

The following table presents the combined condensed financial position of the Company's unconsolidated real estate ventures as of June 30, 2020 and December 31, 2019 (in thousands):

	June 30, 2020		December 31, 2019
ASSETS
Self storage properties, net	$	1,818,225	$	1,835,235
Other assets	23,945		22,413
Total assets	$	1,842,170	$	1,857,648
LIABILITIES AND EQUITY
Debt financing	$	989,601	$	989,182
Other liabilities	20,386		20,487
Equity	832,183		847,979
Total liabilities and equity	$	1,842,170	$	1,857,648

The following tables present the combined condensed operating information of the Company's unconsolidated real estate ventures for the three and six months ended June 30, 2020 and 2019 (in thousands):

	Three Months Ended June 30,
	2020		2019
Total revenue	$	39,730	$	40,858
Property operating expenses	11,371		12,544
Net operating income	28,359		28,314
Supervisory, administrative and other expenses	(2,640)		(2,706)
Depreciation and amortization	(15,245)		(21,888)
Interest expense	(10,300)		(9,941)
Acquisition and other expenses	(20)		(419)
Net income (loss)	$	154	$	(6,640)

	Six Months Ended June 30,
	2020		2019
Total revenue	$	79,968	$	80,653
Property operating expenses	24,549		25,088
Net operating income	55,419		55,565
Supervisory, administrative and other expenses	(5,309)		(5,359)
Depreciation and amortization	(30,391)		(43,714)
Interest expense	(20,564)		(19,961)
Loss on sale of self storage properties	—		(806)
Acquisition and other expenses	(419)		(827)
Net loss	$	(1,264)	$	(15,102)

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ACQUISITIONS

6 Months Ended

Jun. 30, 2020

Asset Acquisitions And Dispositions [Abstract]

ACQUISITIONS

ACQUISITIONS

Self Storage Property Acquisitions

The Company acquired 40 self storage properties with an estimated fair value of $259.0 million during the six months ended June 30, 2020. Of these acquisitions, three self storage properties with an estimated fair value of $25.1 million were acquired by the Company from its PROs. The 40 self storage property acquisitions were accounted for as asset acquisitions and accordingly, $4.2 million of transaction costs related to the acquisitions were capitalized as part of the basis of the acquired properties. The Company recognized the estimated fair value of the acquired assets and assumed liabilities on the respective dates of such acquisitions. The Company allocated the total purchase price to the estimated fair value of tangible and intangible assets acquired and liabilities assumed. The Company allocated a portion of the purchase price to identifiable intangible assets consisting of customer in-place leases which were recorded at estimated fair value of $5.3 million, resulting in a total fair value of $253.7 million allocated to real estate.

The following table summarizes the investment in self storage property acquisitions completed by the Company during the six months ended June 30, 2020 (dollars in thousands):

Acquisitions Closed During the Three Months Ended:	Number of Properties	Summary of Investment
		Cash and Acquisition Costs		Value of OP Equity(1)		Other Liabilities		Total
March 31, 2020	36	$	214,584	$	7,217	$	972	$	222,773
June 30, 2020	4	30,198		5,842		207		36,247
Total	40	$	244,782	$	13,059	$	1,179	$	259,020

^{(1)Value of OP equity represents the fair value of LTIP units, OP units and subordinated performance units.}

Acquisition of PRO Management Company

As discussed in Note 1 and Note 3, on March 31, 2020, the Company closed on the previously announced mergers of SecurCare and DLAN with and into wholly-owned subsidiaries of the Company. The mergers were accounted for as a business combination whereby the Company acquired additional interests in its operating partnership and DownREIT partnerships. Accordingly, this portion of the transaction was accounted for as a change in ownership of a consolidated subsidiary, resulting in a reduction to noncontrolling interests equal to the net book value of the acquired subsidiary interests.

In connection with the mergers, SecurCare's property management platform and related intellectual property were internalized by the Company. Under the terms of the Company's facilities portfolio management agreement with SecurCare, in connection with a retirement event leading to the internalization of SecurCare's property management platform, SecurCare was entitled to receive OP units in exchange for its property management platform and related intellectual property based on a contractual formula. Using this formula, the Company determined that SecurCare was entitled to receive an equivalent of 348,020 OP units totaling $10.3 million, based on the acquisition date closing price of the Company's common shares. The Company allocated the total purchase price to the estimated fair value of tangible and intangible assets acquired, and liabilities assumed. The Company allocated a portion of the purchase price to tangible fixed assets of $0.1 million and intangible assets consisting of a management contract with an estimated fair value of $4.6 million and the SecurCare trade name with an estimated fair value of $3.2 million. The excess of the aggregate consideration paid over the identified assets acquired and liabilities assumed, equal to $2.4 million, was allocated to goodwill. The tangible and intangible assets related to the internalization are reported in other assets, net in the Company's condensed consolidated balance sheets.

The Company’s fair value measurements were based, in part, on valuations prepared by an independent valuation firm and the allocation of the purchase price required a significant amount of judgment. The Company measured the fair value of the management contract asset based on discounted future cash flows expected under the management contract from a market participant perspective. The management contract asset will be charged to amortization expense on a straight-line basis over 15 years, which represents the time period over which the majority of value was attributed in the Company’s discounted cash flow model. The Company measured the fair value of the trade name, which has an indefinite life and is not amortized, using the relief from royalty method.

The allocation of the purchase price requires judgment and was based on the Company's valuations, estimates and assumptions of the acquisition date fair value of the tangible and intangible assets acquired and liabilities assumed.

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OTHER ASSETS

6 Months Ended

Jun. 30, 2020

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

OTHER ASSETS

OTHER ASSETS

Other assets consist of the following (dollars in thousands):

	June 30, 2020		December 31, 2019
Customer in-place leases, net of accumulated amortization of $3,336 and $7,267, respectively	$	3,751	$	3,704
Receivables:
Trade, net	2,776		2,809
PROs and other affiliates	1,476		2,773
Receivables from unconsolidated real estate ventures	4,385		4,765
Property acquisition and other deposits	294		4,438
Interest rate swaps	—		980
Equity securities	—		7,703
Prepaid expenses and other	5,190		4,762
Corporate furniture, equipment and other, net	1,998		1,925
Trade names	6,380		3,200
Management contracts, net of accumulated amortization of $2,715 and $2,274, respectively	12,505		8,349
Tenant reinsurance intangible, net of accumulated amortization of $610 and $317, respectively	13,990		14,283
Goodwill	8,182		5,750
Total	$	60,927	$	65,441

Amortization expense related to customer in-place leases amounted to $2.4 million and $2.8 million for the three months ended June 30, 2020 and 2019, respectively, and $5.3 million and $5.3 million during the six months ended June 30, 2020 and 2019, respectively. Amortization expense related to management contracts amounted to $0.3 million and $0.2 million for the three months ended June 30, 2020 and 2019, respectively, and $0.5 million and $0.4 million during the six months ended June 30, 2020 and 2019, respectively. Amortization expense related to the tenant reinsurance intangible amounted to $0.1 million and less than $0.1 million for the three months ended June 30, 2020 and 2019, respectively, and $0.2 million and less than $0.1 million during the six months ended June 30, 2020 and 2019, respectively.

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DEBT FINANCING

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

DEBT FINANCING

DEBT FINANCING

The Company's outstanding debt as of June 30, 2020 and December 31, 2019 is summarized as follows (dollars in thousands):

	Interest Rate(1)	June 30, 2020		December 31, 2019
Credit Facility:
Revolving line of credit	1.46%	$	211,000	$	—
Term loan A	3.74%	125,000		125,000
Term loan B	2.91%	250,000		250,000
Term loan C	2.80%	225,000		225,000
Term loan D	3.57%	175,000		175,000
2023 Term loan facility	2.83%	175,000		175,000
2028 Term loan facility	4.62%	75,000		75,000
2029 Term loan facility	4.27%	100,000		100,000
2029 Senior Unsecured Notes	3.98%	100,000		100,000
2031 Senior Unsecured Notes	4.08%	50,000		50,000
Fixed rate mortgages payable	4.18%	260,349		264,260
Total principal		1,746,349		1,539,260
Unamortized debt issuance costs and debt premium, net		(4,805)		(5,213)
Total debt		$	1,741,544	$	1,534,047

^{(1)Represents the effective interest rate as of June 30, 2020. Effective interest rate incorporates the stated rate plus the impact of interest rate cash flow hedges and discount and premium amortization, if applicable. For the revolving line of credit, the effective interest rate excludes fees for unused borrowings.}

As of June 30, 2020, the Company's unsecured credit facility provided for total borrowings of $1.275 billion (the "credit facility"). The credit facility consists of the following components: (i) a revolving line of credit (the "Revolver") which provides for a total borrowing commitment up to $500.0 million, under which the Company may borrow, repay and re-borrow amounts, (ii) a $125.0 million tranche A term loan facility (the "Term Loan A"), (iii) a $250.0 million tranche B term loan facility (the "Term Loan B"), (iv) a $225.0 million tranche C term loan facility (the "Term Loan C"), and (v) a $175.0 million tranche D term loan facility (the "Term Loan D"). As of June 30, 2020, the Company had an expansion option under the credit facility, which, if exercised in full, would provide for a total credit facility of $1.750 billion.

As of June 30, 2020, the Company had outstanding letters of credit totaling $5.7 million and would have had the capacity to borrow remaining Revolver commitments of $283.3 million while remaining in compliance with the credit facility's financial covenants. At June 30, 2020, the Company was in compliance with all such covenants.

For a summary of the Company's financial covenants and additional detail regarding the Company's credit facility, 2023 Term Loan Facility, 2028 Term Loan Facility, 2029 Term Loan Facility, 2029 Senior Unsecured Notes, 2031 Senior Unsecured Notes and fixed rate mortgages payable, please see Note 8 to the Company's most recent Annual Report on Form 10-K for the year ended December 31, 2019 filed with the SEC.

2030 And 2032 Senior Unsecured Notes

As discussed in Note 14, on August 4, 2020, the Company's operating partnership entered into an agreement to issue $150.0 million of 2.99% senior unsecured notes due August 5, 2030 and $100.0 million of 3.09% senior unsecured notes due August 5, 2032 in a private placement to certain institutional investors.

Future Debt Obligations

Based on existing debt agreements in effect as of June 30, 2020, the scheduled principal and maturity payments for the Company's outstanding borrowings are presented in the table below (in thousands):

Year Ending December 31,	Scheduled Principal and Maturity Payments		Amortization of Premium and Unamortized Debt Issuance Costs		Total
Remainder of 2020	$	36,736	$	(749)	$	35,987
2021	7,603		(1,510)		6,093
2022	4,205		(1,512)		2,693
2023	377,049		(1,159)		375,890
2024	482,964		(790)		482,174
2025	227,185		(218)		226,967
Thereafter	610,607		1,133		611,740
	$	1,746,349	$	(4,805)	$	1,741,544

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EARNINGS PER SHARE

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

The following table sets forth the computation of basic and diluted earnings (loss) per common share for the three and six months ended June 30, 2020 and 2019 (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Earnings (loss) per common share - basic and diluted
Numerator
Net income	$	17,787	$	17,733	$	33,550	$	30,673
Net income attributable to noncontrolling interests	(7,365)		(25,389)		(16,480)		(30,918)
Net income (loss) attributable to National Storage Affiliates Trust	10,422		(7,656)		17,070		(245)
Distributions to preferred shareholders	(3,274)		(3,257)		(6,547)		(5,845)
Distributed and undistributed earnings allocated to participating securities	(11)		(9)		(23)		(18)
Net income (loss) attributable to common shareholders - basic and diluted	$	7,137	$	(10,922)	$	10,500	$	(6,108)
Denominator
Weighted average shares outstanding - basic and diluted	68,210		57,543		64,004		57,101
Earnings (loss) per share - basic and diluted	$	0.10	$	(0.19)	$	0.16	$	(0.11)

As discussed in Note 2, the Company allocates GAAP income (loss) utilizing the HLBV method, in which the Company allocates income or loss based on the change in each unitholders' claim on the net assets of its operating partnership at period end after adjusting for any distributions or contributions made during such period. Due to the stated liquidation priorities and because the HLBV method incorporates non-cash items such as depreciation expense, in any given period, income or loss may be allocated disproportionately to National Storage Affiliates Trust and noncontrolling interests, resulting in volatile fluctuations of basic and diluted earnings (loss) per share.

Outstanding equity interests of the Company's operating partnership and DownREIT partnerships are considered potential common shares for purposes of calculating diluted earnings (loss) per share as the unitholders may, through the exercise of redemption rights, obtain common shares, subject to various restrictions. Basic earnings per share is calculated based on the weighted average number of common shares outstanding during the period. Diluted earnings per share is calculated by further adjusting for the dilutive impact using the treasury stock method for unvested LTIP units subject to a service condition outstanding during the period and the if-converted method for any convertible securities outstanding during the period.

Generally, following certain lock-out periods, OP units in the Company's operating partnership are redeemable for cash or, at the Company's option, exchangeable for common shares on a one-for-one basis, subject to certain adjustments and DownREIT OP units are redeemable for cash or, at the Company's option, exchangeable for OP units in its operating partnership on a one-for-one basis, subject to certain adjustments in each case.

LTIP units may also, under certain circumstances, be convertible into OP units on a one-for-one basis, which are then exchangeable for common shares as described above. Certain LTIP units vested prior to or upon the completion of the Company's initial public offering and certain LTIP units have vested upon the satisfaction of a service condition or will vest upon the satisfaction of future service and market conditions. Vested LTIP units and unvested LTIP units that vest based on a service or market condition are allocated income or loss in a similar manner as OP units. Unvested LTIP units subject to a service or market condition are evaluated for dilution using the treasury stock method. For the three and six months ended June 30, 2020, 420,280 unvested LTIP units that vest based on a service or market condition are excluded from the calculation of diluted earnings (loss) per share as they are not dilutive to earnings (loss) per share. In addition, certain LTIP units vest upon the future acquisition of properties sourced by PROs or the completion of expansion projects. For the three and six months ended June 30, 2020, 252,894 unvested LTIP units that vest upon the future acquisition of properties, or the completion of expansion projects, are excluded from the calculation of diluted earnings (loss) per share because the contingency for the units to vest has not been attained as of the end of the reported periods.

Subordinated performance units may also, under certain circumstances, be convertible into OP units which are exchangeable for common shares as described above, and DownREIT subordinated performance units may, under certain circumstances, be exchangeable for subordinated performance units on a one-for-one basis. Subordinated performance units are only convertible into OP units, after a two year lock-out period and then generally (i) at the holder’s election only upon the achievement of certain performance thresholds relating to the properties to which such subordinated performance units relate or (ii) at the Company's election upon a retirement event of a PRO that holds such subordinated performance units or upon certain qualifying terminations. Although subordinated performance units may only be convertible after a two year lock-out period, the Company assumes a hypothetical conversion of each subordinated performance unit (including each DownREIT subordinated performance unit) into OP units (with subsequently assumed redemption into common shares) for the purposes of calculating diluted weighted average common shares. This hypothetical conversion is calculated using historical financial information, and as a result, is not necessarily indicative of the results of operations, cash flows or financial position of the Company upon expiration of the two-year lock out period on conversions.

For the three months ended June 30, 2020 and 2019, potential common shares totaling 46.9 million and 54.0 million, respectively, related to OP units, DownREIT OP units, subordinated performance units, DownREIT subordinated performance units and vested LTIP units have been excluded from the calculation of diluted earnings (loss) per share as they are not dilutive to earnings (loss) per share. For the six months ended June 30, 2020 and 2019, potential common shares totaling 49.0 million and 53.2 million, respectively, related to OP units, DownREIT OP units, subordinated performance units, DownREIT subordinated performance units and vested LTIP units have been excluded from the calculation of diluted earnings (loss) per share as they are not dilutive to earnings (loss) per share.

Participating securities, which consist of unvested restricted common shares, receive dividends equal to those received by common shares. The effect of participating securities for the periods presented above is calculated using the two-class method of allocating distributed and undistributed earnings.

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RELATED PARTY TRANSACTIONS

6 Months Ended

Jun. 30, 2020

Related Party Transactions [Abstract]

RELATED PARTY TRANSACTIONS

RELATED PARTY TRANSACTIONS

Supervisory and Administrative Fees

For the self storage properties that are managed by the PROs, the Company has entered into asset management agreements with the PROs to provide leasing, operating, supervisory and administrative services. The asset management agreements generally provide for fees ranging from 5% to 6% of gross revenue for the managed self storage properties. During the three months ended June 30, 2020 and 2019, the Company incurred $3.5 million and $4.9 million, respectively, for supervisory and administrative fees to the PROs and during the six months ended June 30, 2020 and 2019, the Company incurred $8.8 million and $9.6 million, respectively, for supervisory and administrative fees to the PROs. Such fees are included in general and administrative expenses in the accompanying condensed consolidated statements of operations.

Payroll Services

For the self storage properties that are managed by the PROs, the employees responsible for operations are employees of the PROs who charge the Company for the costs associated with the respective employees. For the three months ended June 30, 2020 and 2019, the Company incurred $5.5 million and $7.9 million, respectively, for payroll and related costs reimbursable to these PROs and for the six months ended June 30, 2020 and 2019, the Company incurred $14.3 million and $15.7 million, respectively, for payroll and related costs reimbursable to these PROs. Such costs are included in property operating expenses in the accompanying condensed consolidated statements of operations.

Due Diligence Costs

During the three months ended June 30, 2020 and 2019, the Company incurred less than $0.1 million and $0.3 million, respectively, of expenses payable to certain PROs related to self storage property acquisitions sourced by the PROs and during the six months ended June 30, 2020 and 2019, the Company incurred $0.2 million and $0.6 million, respectively, of expenses payable to certain PROs related to self storage property acquisitions sourced by the PROs. These expenses, which are based on the volume of transactions sourced by the PROs, are intended to reimburse the PROs for due diligence costs incurred in the sourcing and underwriting process. These due diligence costs are capitalized as part of the basis of the acquired self storage properties.

Self Storage Property Acquisitions

During the six months ended June 30, 2020, the Company acquired one self storage property for $7.5 million from an entity that was partially owned by Arlen Nordhagen, the Company's executive chairman and former chief executive officer, and David Cramer, the Company's chief operating officer. Of the total consideration paid, Mr. Nordhagen's and Mr. Cramer's interest was approximately 58,376 OP Units with a value of $1.5 million and 29,689 OP Units with a value $0.7 million, respectively.

During the six months ended June 30, 2020, the Company acquired one self storage property for $6.6 million from a company in which an entity controlled by J. Timothy Warren, a trustee of the Company, was an investor. Mr. Warren's adult childern held an ownership interest in such entity. Of the total consideration paid, the interest of Mr. Warren's children was approximately 15,512 OP Units with a value of $0.4 million.

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COMMITMENTS AND CONTINGENCIES	6 Months Ended
	Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES	COMMITMENTS AND CONTINGENCIESLegal Proceedings The Company is subject to litigation, claims, and assessments that may arise in the ordinary course of its business activities. Such matters include contractual matters, employment related issues, and regulatory proceedings. Although occasional adverse decisions or settlements may occur, the Company believes that the final disposition of such matters will not have a material adverse effect on the Company's financial position, results of operations, or liquidity.

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FAIR VALUE MEASUREMENTS

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

FAIR VALUE MEASUREMENTS

FAIR VALUE MEASUREMENTS

Recurring Fair Value Measurements

The Company sometimes limits its exposure to interest rate fluctuations by entering into interest rate swap agreements. The interest rate swap agreements moderate the Company's exposure to interest rate risk by effectively converting the interest on variable rate debt to a fixed rate. The Company measures its interest rate swap derivatives at fair value on a recurring basis. The changes in the fair value of derivatives designated and that qualify as cash flow hedges are recorded in accumulated other comprehensive income (loss) and are subsequently reclassified into earnings in the period that the hedged transaction affects earnings.

Information regarding the Company's interest rate swaps measured at fair value, which are classified within Level 2 of the GAAP fair value hierarchy, is presented below (dollars in thousands):

Fair value at December 31, 2018	$	14,195
Gains on interest rate swaps reclassified into interest expense from accumulated other comprehensive (loss) income	(2,553)
Unrealized losses on interest rate swaps included in accumulated other comprehensive (loss) income	(27,114)
Fair value at June 30, 2019	$	(15,472)
Fair value at December 31, 2019	$	(19,083)
Losses on interest rate swaps reclassified into interest expense from accumulated other comprehensive (loss) income	4,546
Unrealized losses on interest rate swaps included in accumulated other comprehensive (loss) income	(76,792)
Fair value at June 30, 2020	$	(91,329)

As of June 30, 2020 and December 31, 2019, the Company had outstanding interest rate swaps with aggregate notional amounts of $1,125.0 million and $1,125.0 million, respectively, designated as cash flow hedges. As of June 30, 2020, the Company's swaps had a weighted average remaining term of approximately 3.8 years. The fair value of these swaps are presented as interest rate swap liabilities in the Company's balance sheets, and the Company recognizes any changes in the fair value as an adjustment of accumulated other comprehensive income (loss) within equity. If the forward rates at June 30, 2020 remain constant, the Company estimates that during the next 12 months, the Company would reclassify into earnings approximately $19.8 million of the unrealized losses included in accumulated other comprehensive income (loss). If market interest rates increase above the 1.90% weighted average fixed rate under these interest rate swaps, the Company will benefit from net cash payments due from its counterparties to the interest rate swaps.

There were no transfers between levels of the three-tier fair value measurement hierarchy during the six months ended June 30, 2020 and 2019. For financial assets and liabilities that utilize Level 2 inputs, the Company utilizes both direct and indirect observable price quotes, including LIBOR yield curves. The Company uses valuation techniques for Level 2 financial assets and liabilities which include LIBOR yield curves at the reporting date as well as assessing counterparty credit risk. Counterparties to these contracts are highly rated financial institutions. Although the Company has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with the Company's derivatives utilize Level 3 inputs, such as estimates of current credit spreads, to evaluate the likelihood of default by the Company and the counterparties. As of June 30, 2020, the Company determined that the effect of credit valuation adjustments on the overall valuation of its derivative positions are not significant to the overall valuation of its derivatives. Therefore, the Company has determined that its derivative valuations are appropriately classified in Level 2 of the fair value hierarchy.

Fair Value Disclosures

The carrying values of cash and cash equivalents, restricted cash, trade receivables, and accounts payable and accrued liabilities reflected in the balance sheets at June 30, 2020 and December 31, 2019, approximate fair value due to the short term nature of these financial assets and liabilities. The carrying value of variable rate debt financing reflected in the balance sheets at June 30, 2020 and December 31, 2019 approximates fair value as the changes in

their associated interest rates reflect the current market and credit risk is similar to when the loans were originally obtained. The combined principal balance of the Company's fixed rate mortgages payable was approximately $260.3 million as of June 30, 2020 with a fair value of approximately $284.7 million (categorized within Level 2 of the fair value hierarchy). In determining the fair value, the Company estimated a weighted average market interest rate of approximately 2.50%, compared to the weighted average contractual interest rate of 4.83%. The combined principal balance of the Company's fixed rate mortgages was approximately $264.3 million as of December 31, 2019 with a fair value of approximately $280.9 million. In determining the fair value as of December 31, 2019, the Company estimated a weighted average market interest rate of approximately 3.28%, compared to the weighted average contractual interest rate of 4.81%.

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LEASES

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

LEASES

LEASES

The Company determines if a contractual arrangement is a lease at inception. As a lessee, the Company has non-cancelable lease agreements for real estate and its corporate office space that are classified as operating leases. The Company's operating leases are included in operating lease right-of-use ("ROU") assets and operating lease liabilities in its condensed consolidated balance sheets. Operating lease ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. As the Company's operating leases do not provide an implicit rate, the Company used its incremental borrowing rate based on the information available at commencement date in determining the discount rate for the present value of the lease payments. To the extent that the lease agreements provide for fixed increases throughout the term of the lease, the Company recognizes lease expense on a straight-line basis over the expected lease terms.

Real Estate Leasehold Interests

The Company has eight properties that are subject to non-cancelable leasehold interest agreements with remaining lease terms ranging from 14 to 72 years, inclusive of extension options that the Company anticipates exercising. Rent expense under these leasehold interest agreements is included in property operating expenses in the accompanying condensed consolidated statements of operations and amounted to $0.5 million and $0.4 million for the three months ended June 30, 2020 and 2019, respectively, and $0.9 million and $0.8 million for the six months ended June 30, 2020 and 2019, respectively.

Office Leases

The Company has entered into non-cancelable lease agreements for its corporate office space with remaining lease terms ranging from two to nine years. Rent expense related to these office leases is included in general and administrative expenses in the accompanying condensed consolidated statements of operations and amounted to $0.1 million and $0.1 million for the three months ended June 30, 2020 and 2019, respectively, and $0.2 million and $0.2 million for the six months ended June 30, 2020 and 2019, respectively.

The weighted-average remaining lease term and the weighted-average discount rate for the Company's operating leases as of June 30, 2020 are as follows:

	June 30, 2020
Weighted-average remaining lease term
Real estate leasehold interests	28 years
Office leases	7 years
Weighted-average remaining discount rate
Real estate leasehold interests	4.9	%
Office leases	3.8	%

As of June 30, 2020, the future minimum lease payments under the Company's operating leases, for which the Company is a lessee, are as follows (in thousands):

Year Ending December 31,	Real Estate Leasehold Interests		Office Leases		Total
Remainder of 2020	$	715	$	205	$	920
2021	1,444		471		1,915
2022	1,459		465		1,924
2023	1,464		430		1,894
2024	1,470		450		1,920
2025 through 2092	36,728		1,080		37,808
Total lease payments	$	43,280	$	3,101	$	46,381
Less imputed interest	(20,905)		(381)		(21,286)
Total	$	22,375	$	2,720	$	25,095

As of December 31, 2019, the future minimum lease payments under the Company's operating leases, for which the Company is a lessee, are as follows (in thousands):

Year Ending December 31,	Real Estate Leasehold Interests		Office Leases		Total
2020	$	1,419	$	286	$	1,705
2021	1,444		387		1,831
2022	1,459		381		1,840
2023	1,464		346		1,810
2024	1,470		353		1,823
2025 through 2092	36,728		691		37,419
Total lease payments	$	43,984	$	2,444	$	46,428
Less imputed interest	(21,440)		(323)		(21,763)
Total	$	22,544	$	2,121	$	24,665

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SUBSEQUENT EVENTS

6 Months Ended

Jun. 30, 2020

Subsequent Events [Abstract]

SUBSEQUENT EVENTS

SUBSEQUENT EVENTS

2030 And 2032 Senior Unsecured Notes

On August 4, 2020, the operating partnership as issuer, and the Company, entered into a Note Purchase Agreement (the "Note Purchase Agreement") which provides for the private placement of $150.0 million of 2.99% senior unsecured notes due August 5, 2030 (the "2030 Notes") and $100.0 million of 3.09% senior unsecured notes due August 5, 2032 (the "2032 Notes" and together with the 2030 Notes the "Senior Unsecured Notes") to certain institutional investors. The Senior Unsecured Notes are governed by the Note Purchase Agreement and the sale and purchase of the Senior Unsecured Notes is expected to occur on or before October 22, 2020, subject to customary closing conditions. The Company plans to use the proceeds to repay outstanding amounts on its revolving line of credit and for general corporate purposes.

Interest is expected to be payable semiannually, on August 30th and February 28th of each year, commencing on February 28, 2021. The Senior Unsecured Notes will be senior unsecured obligations of the Company and will be jointly and severally guaranteed by certain of the Company's subsidiaries, as subsidiary guarantors, upon issuance. The Senior Unsecured Notes are expected to rank pari passu with the credit facility, 2023 Term Loan Facility, 2028 Term Loan Facility, 2029 Term Loan Facility, 2029 Senior Unsecured Notes and 2031 Senior Unsecured Notes. The Note Purchase Agreement contains financial covenants that are substantially similar to those of the Company's credit facility. In addition, the terms of the Note Purchase Agreement contain customary affirmative and negative covenants that, among other things, limit the Company's ability to make distributions or certain investments, incur debt, incur liens and enter into certain transactions.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying condensed consolidated financial statements are presented on the accrual basis of accounting in accordance with U.S. generally accepted accounting principles ("GAAP") and have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (the "SEC") regarding interim financial reporting. Accordingly, certain information and footnote disclosures required by GAAP for

complete financial statements have been condensed or omitted in accordance with such rules and regulations. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the condensed consolidated financial statements have been included. The Company's results of operations for the quarterly and year to date periods are not necessarily indicative of the results to be expected for the full year or any other future period.

Principles of Consolidation

Principles of ConsolidationThe Company's financial statements include the accounts of its operating partnership and its controlled subsidiaries. All significant intercompany balances and transactions have been eliminated in the consolidation of entities.

Variable Interest Entities

When the Company obtains an economic interest in an entity, the Company evaluates the entity to determine if the entity is deemed a variable interest entity ("VIE"), and if the Company is deemed to be the primary beneficiary, in accordance with authoritative guidance issued on the consolidation of VIEs. When an entity is not deemed to be a VIE, the Company considers the provisions of additional guidance to determine whether the general partner controls a limited partnership or similar entity when the limited partners have certain rights. The Company consolidates all entities that are VIEs and of which the Company is deemed to be the primary beneficiary. The Company has determined that its operating partnership is a VIE. The sole significant asset of National Storage Affiliates Trust is its investment in its operating partnership, and consequently, substantially all of the Company’s assets and liabilities represent those assets and liabilities of its operating partnership.

Reclassifications

Reclassifications

Certain amounts in the condensed consolidated financial statements and related notes have been reclassified to conform to the current year presentation. Such reclassifications do not impact the Company's previously reported financial position or net income (loss).

Revenue Recognition - Rental revenue

Rental revenueRental revenue consists of space rentals and related fees. Management has determined that all of the Company's leases are operating leases. Substantially all leases may be terminated on a month-to-month basis and rental income is recognized ratably over the lease term using the straight-line method. Rents received in advance are deferred and recognized on a straight-line basis over the related lease term associated with the prepayment. Promotional discounts and other incentives are recognized as a reduction to rental income over the applicable lease term.

Revenue Recognition - Other property-related revenue, management fees and other revenue

Other property-related revenue

Other property-related revenue primarily consists of ancillary revenues such as tenant insurance and/or tenant warranty protection-related access fees and sales of storage supplies which are recognized in the period earned.

The Company and certain of the Company’s PROs have tenant insurance- and/or tenant warranty protection plan-related arrangements with insurance companies and the Company’s tenants. During the three months ended June 30, 2020 and 2019, the Company recognized $2.7 million and $2.2 million, respectively, of tenant insurance and tenant warranty protection plan revenues and during the six months ended June 30, 2020 and 2019, the Company recognized $5.3 million and $4.3 million, respectively, of tenant insurance and tenant warranty protection plan revenues.

The Company sells boxes, packing supplies, locks and other retail merchandise at its properties. During the three months ended June 30, 2020 and 2019, the Company recognized retail sales of $0.4 million and $0.5 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized retail sales of $0.8 million and $0.9 million, respectively.

Management fees and other revenue

Management fees and other revenue consist of property management fees, platform fees, call center fees, acquisition fees, and a portion of tenant warranty protection or tenant insurance proceeds that the Company earns for managing and operating its unconsolidated real estate ventures.

With respect to both the 2018 Joint Venture and the 2016 Joint Venture (as each is defined in Note 5), the Company provides supervisory and administrative property management services, centralized call center services, and technology platform and revenue management services to the properties in the unconsolidated real estate ventures. The property management fees are equal to 6% of monthly gross revenues and net sales revenues from the assets of the unconsolidated real estate ventures, and the platform fees are equal to $1,250 per month per unconsolidated real estate venture property. With respect to the 2016 Joint Venture only, the call center fees are equal to 1% of each of monthly gross revenues and net sales revenues from the 2016 Joint Venture properties. During the three months ended June 30, 2020 and 2019, the Company recognized property management fees, call center fees and platform fees of $3.2 million and $3.2 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized property management fees, call center fees and platform fees of $6.4 million and $6.4 million, respectively.

For acquisition fees, the Company provides sourcing, underwriting and administration services to the unconsolidated real estate ventures. The 2016 Joint Venture paid the Company a $4.1 million acquisition fee equal to 0.65% of the gross capitalization (including debt and equity) of the original 66-property 2016 Joint Venture portfolio (the "Initial 2016 JV Portfolio") in 2016, at the time of the Initial 2016 JV Portfolio acquisition. The 2018 Joint Venture paid the Company a $4.0 million acquisition fee related to the initial acquisition of properties by the 2018 Joint Venture (the "Initial 2018 JV Portfolio") in 2018, at the time of the Initial 2018 JV Portfolio acquisition. These fees are refundable to the unconsolidated real estate ventures, on a prorated basis, if the Company is removed as the managing member during the initial four year life of the unconsolidated real estate ventures and as such, the Company's performance obligation for these acquisition fees are satisfied over a four year period. As of June 30, 2020 and December 31, 2019, the Company had deferred revenue related to the acquisition fees of $1.9 million and $2.8 million, respectively.

The Company also earns acquisition fees for properties acquired by the unconsolidated real estate ventures subsequent to the Initial 2016 JV Portfolio and the Initial 2018 JV Portfolio. These fees are based on a percentage of the gross capitalization of the acquired assets determined by the members of the 2016 Joint Venture and the 2018 Joint Venture, and are generally earned when the unconsolidated real estate ventures obtain title and control of an acquired property. During the three months ended June 30, 2020 and 2019, the Company recognized acquisition fees of $0.4 million and $0.5 million, respectively, and during the six months ended June 30, 2020 and 2019, the Company recognized acquisition fees of $0.9 million and $1.0 million, respectively.

An affiliate of the Company facilitates tenant warranty protection or tenant insurance programs for tenants of the properties in the unconsolidated real estate ventures in exchange for 50% of all proceeds from such programs at each unconsolidated real estate venture property. During the three months ended June 30, 2020 and 2019, the Company recognized $1.9 million and $1.2 million, respectively, of revenue related to these activities and during the six months ended June 30, 2020 and 2019, the Company recognized $3.5 million and $2.4 million, respectively, of revenue related to these activities.

Gain on sale of self storage properties

Gain on sale of self storage propertiesThe Company recognizes gains from disposition of facilities only upon closing in accordance with the guidance on sales of nonfinancial assets. Profit on real estate sold is recognized upon closing when all, or substantially all, of the promised consideration has been received and is nonrefundable and the Company has transferred control of the facilities to the purchaser.

Investments in Unconsolidated Real Estate Ventures

Investments in Unconsolidated Real Estate Ventures

The Company’s investments in its unconsolidated real estate ventures are recorded under the equity method of accounting in the accompanying condensed consolidated financial statements. Under the equity method, the Company’s investments in unconsolidated real estate ventures are stated at cost and adjusted for the Company’s share of net earnings or losses and reduced by distributions. Equity in earnings (losses) is recognized based on the Company’s ownership interest in the earnings (losses) of the unconsolidated real estate ventures. The Company follows the "nature of the distribution approach" for classification of distributions from its unconsolidated real estate

ventures in its condensed consolidated statements of cash flows. Under this approach, distributions are reported on the basis of the nature of the activity or activities that generated the distributions as either a return on investment, which are classified as operating cash flows, or a return of investment (e.g., proceeds from the unconsolidated real estate ventures' sale of assets) which are reported as investing cash flows.

Noncontrolling Interests

Noncontrolling Interests

All of the limited partner equity interests ("OP equity") in the operating partnership not held by the Company are reflected as noncontrolling interests. Noncontrolling interests also include ownership interests in DownREIT partnerships held by entities other than the operating partnership or its subsidiaries. In the condensed consolidated statements of operations, the Company allocates net income (loss) attributable to noncontrolling interests to arrive at net income (loss) attributable to National Storage Affiliates Trust.

For transactions that result in changes to the Company's ownership interest in its operating partnership, the carrying amount of noncontrolling interests is adjusted to reflect such changes. The difference between the fair value of the consideration received or paid and the amount by which the noncontrolling interest is adjusted is reflected as an adjustment to additional paid-in capital on the condensed consolidated balance sheets.

Allocation of Net Income (Loss)

Allocation of Net Income (Loss)

The distribution rights and priorities set forth in the operating partnership's LP Agreement differ from what is reflected by the underlying percentage ownership interests of the unitholders. Accordingly, the Company allocates GAAP income (loss) utilizing the hypothetical liquidation at book value ("HLBV") method, in which the Company allocates income or loss based on the change in each unitholders’ claim on the net assets of its operating partnership at period end after adjusting for any distributions or contributions made during such period. The HLBV method is commonly applied to equity investments where cash distribution percentages vary at different points in time and are not directly linked to an equity holder’s ownership percentage.

The HLBV method is a balance sheet-focused approach to income (loss) allocation. A calculation is prepared at each balance sheet date to determine the amount that unitholders would receive if the operating partnership were to liquidate all of its assets (at GAAP net book value) and distribute the resulting proceeds to its creditors and unitholders based on the contractually defined liquidation priorities. The difference between the calculated liquidation distribution amounts at the beginning and the end of the reporting period, after adjusting for capital contributions and distributions, is used to derive each unitholder's share of the income (loss) for the period. Due to the stated liquidation priorities and because the HLBV method incorporates non-cash items such as depreciation expense, in any given period, income or loss may be allocated disproportionately to unitholders as compared to their respective ownership percentage in the operating partnership, and net income (loss) attributable to National Storage Affiliates Trust could be more or less net income than actual cash distributions received and more or less income or loss than what may be received in the event of an actual liquidation. Additionally, the HLBV method could result in net income (or net loss) attributable to National Storage Affiliates Trust during a period when the Company reports consolidated net loss (or net income), or net income (or net loss) attributable to National Storage Affiliates Trust in excess of the Company's consolidated net income (or net loss). The computations of basic and diluted earnings (loss) per share may be materially affected by these disproportionate income (loss) allocations, resulting in volatile fluctuations of basic and diluted earnings (loss) per share.

Other Comprehensive Income (Loss)

Other Comprehensive Income (Loss)The Company has cash flow hedge derivative instruments that are measured at fair value with unrealized gains or losses recognized in other comprehensive income (loss) with a corresponding adjustment to accumulated other comprehensive income (loss) within equity, as discussed further in Note 12. Under the HLBV method of allocating income (loss) discussed above, a calculation is prepared at each balance sheet date by applying the HLBV method including, and excluding, the assets and liabilities resulting from the Company's cash flow hedge derivative instruments to determine comprehensive income (loss) attributable to National Storage Affiliates Trust. As a result of the distribution rights and priorities set forth in the operating partnership's LP Agreement, in any given period, other comprehensive income (loss) may be allocated disproportionately to unitholders as compared to their respective ownership percentage in the operating partnership and as compared to their respective allocation of net income (loss).

Restricted Cash

Restricted CashThe Company's restricted cash consists of escrowed funds deposited with financial institutions for real estate taxes, insurance and other reserves for capital improvements in accordance with the Company's loan agreements

Use of Estimates

Use of EstimatesThe preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In March 2020, the Financial Accounting Standards Board issued ASU 2020-04, Reference Rate Reform (Topic 848). ASU 2020-04 contains practical expedients for reference rate reform related activities that impact debt, leases, derivatives and other contracts. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. During the six months ended June 30, 2020, the Company elected to apply the hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of these expedients preserves the presentation of derivatives consistent with past presentation. The Company continues to evaluate the impact of the guidance and may apply other elections as applicable as additional changes in the market occur. See Note 12 for additional detail about the Company's derivatives.

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SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS (Tables)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Schedule of noncontrolling interests

As of June 30, 2020 and December 31, 2019, units reflecting noncontrolling interests consisted of the following:

	June 30, 2020	December 31, 2019
Series A-1 preferred units	637,382	642,982
OP units	29,714,696	30,188,305
Subordinated performance units	8,715,751	11,014,195
LTIP units	765,840	743,566
DownREIT units
DownREIT OP units	1,924,918	1,848,261
DownREIT subordinated performance units	4,337,111	4,371,622
Total	46,095,698	48,808,931

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SELF STORAGE PROPERTIES (Tables)

6 Months Ended

Jun. 30, 2020

Real Estate [Abstract]

Schedule of self storage properties

Self storage properties are summarized as follows (dollars in thousands):

	June 30, 2020		December 31, 2019
Land	$	687,330	$	649,938
Buildings and improvements	2,659,837		2,435,171
Furniture and equipment	7,287		6,610
Total self storage properties	3,354,454		3,091,719
Less accumulated depreciation	(389,828)		(337,822)
Self storage properties, net	$	2,964,626	$	2,753,897

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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES (Tables)

6 Months Ended

Jun. 30, 2020

Equity Method Investments and Joint Ventures [Abstract]

Schedule of condensed financial information of unconsolidated real estate ventures

The following table presents the combined condensed financial position of the Company's unconsolidated real estate ventures as of June 30, 2020 and December 31, 2019 (in thousands):

	June 30, 2020		December 31, 2019
ASSETS
Self storage properties, net	$	1,818,225	$	1,835,235
Other assets	23,945		22,413
Total assets	$	1,842,170	$	1,857,648
LIABILITIES AND EQUITY
Debt financing	$	989,601	$	989,182
Other liabilities	20,386		20,487
Equity	832,183		847,979
Total liabilities and equity	$	1,842,170	$	1,857,648

The following tables present the combined condensed operating information of the Company's unconsolidated real estate ventures for the three and six months ended June 30, 2020 and 2019 (in thousands):

	Three Months Ended June 30,
	2020		2019
Total revenue	$	39,730	$	40,858
Property operating expenses	11,371		12,544
Net operating income	28,359		28,314
Supervisory, administrative and other expenses	(2,640)		(2,706)
Depreciation and amortization	(15,245)		(21,888)
Interest expense	(10,300)		(9,941)
Acquisition and other expenses	(20)		(419)
Net income (loss)	$	154	$	(6,640)

	Six Months Ended June 30,
	2020		2019
Total revenue	$	79,968	$	80,653
Property operating expenses	24,549		25,088
Net operating income	55,419		55,565
Supervisory, administrative and other expenses	(5,309)		(5,359)
Depreciation and amortization	(30,391)		(43,714)
Interest expense	(20,564)		(19,961)
Loss on sale of self storage properties	—		(806)
Acquisition and other expenses	(419)		(827)
Net loss	$	(1,264)	$	(15,102)

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ACQUISITIONS (Tables)

6 Months Ended

Jun. 30, 2020

Asset Acquisitions And Dispositions [Abstract]

Schedule of investment in self storage property acquisitions

The following table summarizes the investment in self storage property acquisitions completed by the Company during the six months ended June 30, 2020 (dollars in thousands):

Acquisitions Closed During the Three Months Ended:	Number of Properties	Summary of Investment
		Cash and Acquisition Costs		Value of OP Equity(1)		Other Liabilities		Total
March 31, 2020	36	$	214,584	$	7,217	$	972	$	222,773
June 30, 2020	4	30,198		5,842		207		36,247
Total	40	$	244,782	$	13,059	$	1,179	$	259,020

^{(1)Value of OP equity represents the fair value of LTIP units, OP units and subordinated performance units.}

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OTHER ASSETS (Tables)

6 Months Ended

Jun. 30, 2020

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of other assets

Other assets consist of the following (dollars in thousands):

	June 30, 2020		December 31, 2019
Customer in-place leases, net of accumulated amortization of $3,336 and $7,267, respectively	$	3,751	$	3,704
Receivables:
Trade, net	2,776		2,809
PROs and other affiliates	1,476		2,773
Receivables from unconsolidated real estate ventures	4,385		4,765
Property acquisition and other deposits	294		4,438
Interest rate swaps	—		980
Equity securities	—		7,703
Prepaid expenses and other	5,190		4,762
Corporate furniture, equipment and other, net	1,998		1,925
Trade names	6,380		3,200
Management contracts, net of accumulated amortization of $2,715 and $2,274, respectively	12,505		8,349
Tenant reinsurance intangible, net of accumulated amortization of $610 and $317, respectively	13,990		14,283
Goodwill	8,182		5,750
Total	$	60,927	$	65,441

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DEBT FINANCING (Tables)

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Schedule of debt

The Company's outstanding debt as of June 30, 2020 and December 31, 2019 is summarized as follows (dollars in thousands):

	Interest Rate(1)	June 30, 2020		December 31, 2019
Credit Facility:
Revolving line of credit	1.46%	$	211,000	$	—
Term loan A	3.74%	125,000		125,000
Term loan B	2.91%	250,000		250,000
Term loan C	2.80%	225,000		225,000
Term loan D	3.57%	175,000		175,000
2023 Term loan facility	2.83%	175,000		175,000
2028 Term loan facility	4.62%	75,000		75,000
2029 Term loan facility	4.27%	100,000		100,000
2029 Senior Unsecured Notes	3.98%	100,000		100,000
2031 Senior Unsecured Notes	4.08%	50,000		50,000
Fixed rate mortgages payable	4.18%	260,349		264,260
Total principal		1,746,349		1,539,260
Unamortized debt issuance costs and debt premium, net		(4,805)		(5,213)
Total debt		$	1,741,544	$	1,534,047

^{(1)Represents the effective interest rate as of June 30, 2020. Effective interest rate incorporates the stated rate plus the impact of interest rate cash flow hedges and discount and premium amortization, if applicable. For the revolving line of credit, the effective interest rate excludes fees for unused borrowings.}

Schedule of future debt maturities

Based on existing debt agreements in effect as of June 30, 2020, the scheduled principal and maturity payments for the Company's outstanding borrowings are presented in the table below (in thousands):

Year Ending December 31,	Scheduled Principal and Maturity Payments		Amortization of Premium and Unamortized Debt Issuance Costs		Total
Remainder of 2020	$	36,736	$	(749)	$	35,987
2021	7,603		(1,510)		6,093
2022	4,205		(1,512)		2,693
2023	377,049		(1,159)		375,890
2024	482,964		(790)		482,174
2025	227,185		(218)		226,967
Thereafter	610,607		1,133		611,740
	$	1,746,349	$	(4,805)	$	1,741,544

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EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Schedule of the computation of basic and diluted earnings per common share

The following table sets forth the computation of basic and diluted earnings (loss) per common share for the three and six months ended June 30, 2020 and 2019 (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Earnings (loss) per common share - basic and diluted
Numerator
Net income	$	17,787	$	17,733	$	33,550	$	30,673
Net income attributable to noncontrolling interests	(7,365)		(25,389)		(16,480)		(30,918)
Net income (loss) attributable to National Storage Affiliates Trust	10,422		(7,656)		17,070		(245)
Distributions to preferred shareholders	(3,274)		(3,257)		(6,547)		(5,845)
Distributed and undistributed earnings allocated to participating securities	(11)		(9)		(23)		(18)
Net income (loss) attributable to common shareholders - basic and diluted	$	7,137	$	(10,922)	$	10,500	$	(6,108)
Denominator
Weighted average shares outstanding - basic and diluted	68,210		57,543		64,004		57,101
Earnings (loss) per share - basic and diluted	$	0.10	$	(0.19)	$	0.16	$	(0.11)

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FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of interest rate swap derivatives measured at fair value

Information regarding the Company's interest rate swaps measured at fair value, which are classified within Level 2 of the GAAP fair value hierarchy, is presented below (dollars in thousands):

Fair value at December 31, 2018	$	14,195
Gains on interest rate swaps reclassified into interest expense from accumulated other comprehensive (loss) income	(2,553)
Unrealized losses on interest rate swaps included in accumulated other comprehensive (loss) income	(27,114)
Fair value at June 30, 2019	$	(15,472)
Fair value at December 31, 2019	$	(19,083)
Losses on interest rate swaps reclassified into interest expense from accumulated other comprehensive (loss) income	4,546
Unrealized losses on interest rate swaps included in accumulated other comprehensive (loss) income	(76,792)
Fair value at June 30, 2020	$	(91,329)

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LEASES (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Schedule of weighted-average remaining lease terms and weighted-average discount rates

The weighted-average remaining lease term and the weighted-average discount rate for the Company's operating leases as of June 30, 2020 are as follows:

	June 30, 2020
Weighted-average remaining lease term
Real estate leasehold interests	28 years
Office leases	7 years
Weighted-average remaining discount rate
Real estate leasehold interests	4.9	%
Office leases	3.8	%

Schedule of future minimum lease payments

As of June 30, 2020, the future minimum lease payments under the Company's operating leases, for which the Company is a lessee, are as follows (in thousands):

Year Ending December 31,	Real Estate Leasehold Interests		Office Leases		Total
Remainder of 2020	$	715	$	205	$	920
2021	1,444		471		1,915
2022	1,459		465		1,924
2023	1,464		430		1,894
2024	1,470		450		1,920
2025 through 2092	36,728		1,080		37,808
Total lease payments	$	43,280	$	3,101	$	46,381
Less imputed interest	(20,905)		(381)		(21,286)
Total	$	22,375	$	2,720	$	25,095

As of December 31, 2019, the future minimum lease payments under the Company's operating leases, for which the Company is a lessee, are as follows (in thousands):

Year Ending December 31,	Real Estate Leasehold Interests		Office Leases		Total
2020	$	1,419	$	286	$	1,705
2021	1,444		387		1,831
2022	1,459		381		1,840
2023	1,464		346		1,810
2024	1,470		353		1,823
2025 through 2092	36,728		691		37,419
Total lease payments	$	43,984	$	2,444	$	46,428
Less imputed interest	(21,440)		(323)		(21,763)
Total	$	22,544	$	2,121	$	24,665

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ORGANIZATION AND NATURE OF OPERATIONS (Details) storage_unit in Thousands, ft² in Millions	6 Months Ended
	Jun. 30, 2020 ft² storage_unit property state metropolitan_statistical_area	Dec. 31, 2016 property
Schedule of Equity Method Investments [Line Items]
Number of top metropolitan statistical areas for focus of operations | metropolitan_statistical_area	100
Number of self storage properties | property	784
Number of states in which self storage properties are located | state	35
Total rentable square feet in self storage properties | ft²	49.2
Number of storage units | storage_unit	394
2016 Joint Venture
Schedule of Equity Method Investments [Line Items]
Company's equity interest in unconsolidated real estate ventures (percent)	25.00%
2016 Joint Venture | Joint venture
Schedule of Equity Method Investments [Line Items]
Company's equity interest in unconsolidated real estate ventures (percent)	25.00%
2018 Joint Venture
Schedule of Equity Method Investments [Line Items]
Company's equity interest in unconsolidated real estate ventures (percent)	25.00%
2018 Joint Venture | Joint venture
Schedule of Equity Method Investments [Line Items]
Company's equity interest in unconsolidated real estate ventures (percent)	25.00%
Consolidated properties
Schedule of Equity Method Investments [Line Items]
Number of self storage properties | property	607
Number of states in which self storage properties are located | state	29
Total rentable square feet in self storage properties | ft²	36.6
Number of storage units | storage_unit	291
Unconsolidated properties | Unconsolidated real estate ventures | Joint venture
Schedule of Equity Method Investments [Line Items]
Number of self storage properties | property	177
Number of states in which self storage properties are located | state	21
Total rentable square feet in self storage properties | ft²	12.6
Number of storage units | storage_unit	104
Unconsolidated properties | 2016 Joint Venture | Joint venture
Schedule of Equity Method Investments [Line Items]
Number of self storage properties | property	74	66
Number of states in which self storage properties are located | state	13
Total rentable square feet in self storage properties | ft²	4.9
Number of storage units | storage_unit	40
Unconsolidated properties | 2018 Joint Venture | Joint venture
Schedule of Equity Method Investments [Line Items]
Number of self storage properties | property	103
Number of states in which self storage properties are located | state	17
Total rentable square feet in self storage properties | ft²	7.7
Number of storage units | storage_unit	64

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands	Jun. 30, 2020 USD ($) partnership property	Dec. 31, 2019 USD ($) partnership property
Variable Interest Entity [Line Items]
Number of self storage properties | property	784
Net book value of real estate owned	$ 2,964,626	$ 2,753,897
Carrying value of fixed rate mortgages	1,746,349	1,539,260
Mortgages | Fixed rate mortgages payable
Variable Interest Entity [Line Items]
Carrying value of fixed rate mortgages	$ 260,349	$ 264,260
VIE, Primary Beneficiary
Variable Interest Entity [Line Items]
Number of partnerships considered to be VIEs | partnership	21	21
Number of self storage properties | property	34	34
Net book value of real estate owned	$ 229,200	$ 233,100
VIE, Primary Beneficiary | Mortgages | Fixed rate mortgages payable
Variable Interest Entity [Line Items]
Carrying value of fixed rate mortgages	$ 135,400	$ 136,400

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details)	3 Months Ended			6 Months Ended		9 Months Ended
	Jun. 30, 2020 USD ($) property	Jun. 30, 2019 USD ($)	Mar. 31, 2017 USD ($)	Jun. 30, 2020 USD ($) property	Jun. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2016 property
Disaggregation of Revenue [Line Items]
Number of self storage properties | property	784			784
Initial term of unconsolidated real estate venture agreements				4 years
Performance obligation period of recognition				4 years
Joint venture | 2016 Joint Venture | Unconsolidated properties
Disaggregation of Revenue [Line Items]
Number of self storage properties | property	74			74				66
Tenant Insurance and Tenant Warranty Protection Plan Revenues
Disaggregation of Revenue [Line Items]
Revenue	$ 2,700,000	$ 2,200,000		$ 5,300,000	$ 4,300,000
Retail Products and Supplies
Disaggregation of Revenue [Line Items]
Revenue	400,000	500,000		800,000	900,000
Property Management, Call Center, and Platform Fees
Disaggregation of Revenue [Line Items]
Revenue	3,200,000	3,200,000		$ 6,400,000	6,400,000
Property management fees as percent of monthly gross revenues and net sales revenue of unconsolidated real estate venture assets				6.00%
Platform fees per unconsolidated real estate venture property per month				$ 1,250
Call center fees as percent of monthly gross revenues and net sales revenue of unconsolidated real estate venture assets				1.00%
Acquisition Fees
Disaggregation of Revenue [Line Items]
Revenue	400,000	500,000		$ 900,000	1,000,000.0
Acquisition fee			$ 4,100,000			$ 4,000,000.0
Acquisition fees received as a percent of gross capitalization of Initial 2016 JV Portfolio			0.65%
Deferred revenue related to acquisition fees	1,900,000			1,900,000			$ 2,800,000
Tenant Warranty Protection or Tenant Insurance
Disaggregation of Revenue [Line Items]
Revenue	$ 1,900,000	$ 1,200,000		$ 3,500,000	$ 2,400,000
Percent of total warranty protection plan proceeds received per unconsolidated real estate venture property (percent)				50.00%

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SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - Narrative (Details) - USD ($)		3 Months Ended				6 Months Ended
	Feb. 27, 2019	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Oct. 11, 2017
Class of Stock [Line Items]
Value of common and preferred shares authorized under ATM program	$ 250,000,000.0
Common shares of beneficial interest, par value (in dollars per share)	$ 0.01	$ 0.01				$ 0.01		$ 0.01
Preferred share/unit dividend rate (percent)	6.00%
Proceeds from issuance of common shares						$ 16,165,000	$ 70,637,000
Preferred units stated value (in dollars per share)		$ 0.01				$ 0.01		$ 0.01
Common Shares
Class of Stock [Line Items]
Issuance of shares/units (in shares)				2,375,000
Redemptions/conversions of units (in shares)		292,291	118,961	224,618	29,910
Contribution of units arising from the mergers (in shares)			8,105,192
Arlen Nordhagen | SecurCare
Class of Stock [Line Items]
Related party ownership interest		53.00%				53.00%
David Cramer | SecurCare
Class of Stock [Line Items]
Related party ownership interest		24.00%				24.00%
SecurCare and DLAN
Class of Stock [Line Items]
Number common shares issued upon conversion (in shares)		8,105,192				8,105,192
Discount rate on conversion		1.00%				1.00%
SecurCare and DLAN | Arlen Nordhagen
Class of Stock [Line Items]
Number common shares issued upon conversion (in shares)		4,063,571				4,063,571
SecurCare and DLAN | David Cramer
Class of Stock [Line Items]
Number common shares issued upon conversion (in shares)		1,858,737				1,858,737
Series A-1 preferred units | NSA OP, LP
Class of Stock [Line Items]
Preferred share/unit dividend rate (percent)						6.00%
Preferred units stated value (in dollars per share)		$ 25.00				$ 25.00
Unit conversion ratio						1
Redemptions/conversions of units (in shares)		5,600
OP units | SecurCare and DLAN
Class of Stock [Line Items]
Number of units to own/receive (in shares)		8,187,052				8,187,052
OP units | NSA OP, LP
Class of Stock [Line Items]
Issuance of shares/units (in shares)						445,701
Unit conversion ratio						1
Minimum conversion period (in years)						1 year
Conversion of units (in shares)						368,500
Units retired during the period (in shares)						710,462
OP units | NSA OP, LP | Common Shares
Class of Stock [Line Items]
Redemptions/conversions of units (in shares)						411,252
OP units | NSA OP, LP | Self Storage Properties
Class of Stock [Line Items]
Issuance of shares/units (in shares)						356,392
OP units | DownREIT Partnership
Class of Stock [Line Items]
Issuance of shares/units (in shares)						115,888
Unit conversion ratio						1
Minimum conversion period (in years)						5 years
Conversion of units (in shares)						368,500
Contribution of units arising from the mergers (in shares)						407,731
Subordinated performance units
Class of Stock [Line Items]
Time frame prior to conversion for conversion metric (in years)						1 year
Percentage of cash available for distribution used in conversion ratio calculation						110.00%
Subordinated performance units | NSA OP, LP
Class of Stock [Line Items]
Redemptions/conversions of units (in shares)						332,738
Unit conversion, lock out period (in years)						2 years
Units retired during the period (in shares)						2,001,441
Subordinated performance units | NSA OP, LP | Self Storage Properties
Class of Stock [Line Items]
Issuance of shares/units (in shares)						35,735
Subordinated performance units | DownREIT Partnership
Class of Stock [Line Items]
Unit conversion ratio						1
Minimum conversion period (in years)						5 years
Redemptions/conversions of units (in shares)						34,511
LTIP units | NSA OP, LP
Class of Stock [Line Items]
Issuance of shares/units (in shares)						236,786
Unit conversion ratio						1
Conversion of units (in shares)						214,512
Common shares | Common Shares
Class of Stock [Line Items]
Issuance of shares/units (in shares)		387,000	125,000
Common shares | At the Market Program
Class of Stock [Line Items]
Issuance of shares/units (in shares)						512,000
Average offering price (in dollars per share)		$ 32.41				$ 32.41
Proceeds from issuance of common shares						$ 16,200,000
Series A preferred shares | NSA OP, LP
Class of Stock [Line Items]
Preferred units cash redemption price (in dollars per share)									$ 25.00

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SHAREHOLDERS' EQUITY AND NONCONTROLLING INTERESTS - Equity Interests (Details) - shares	Jun. 30, 2020	Dec. 31, 2019
Partnership Subsidiaries
Noncontrolling Interest [Line Items]
Outstanding equity interest (in shares)	46,095,698	48,808,931
Series A-1 preferred units | NSA OP, LP
Noncontrolling Interest [Line Items]
Outstanding equity interest (in shares)	637,382	642,982
OP units | NSA OP, LP
Noncontrolling Interest [Line Items]
Outstanding equity interest (in shares)	29,714,696	30,188,305
OP units | DownREIT Partnership
Noncontrolling Interest [Line Items]
Outstanding equity interest (in shares)	1,924,918	1,848,261
Subordinated performance units | NSA OP, LP
Noncontrolling Interest [Line Items]
Outstanding equity interest (in shares)	8,715,751	11,014,195
Subordinated performance units | DownREIT Partnership
Noncontrolling Interest [Line Items]
Outstanding equity interest (in shares)	4,337,111	4,371,622
LTIP units | NSA OP, LP
Noncontrolling Interest [Line Items]
Outstanding equity interest (in shares)	765,840	743,566

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SELF STORAGE PROPERTIES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Real Estate [Abstract]
Land	$ 687,330		$ 687,330		$ 649,938
Buildings and improvements	2,659,837		2,659,837		2,435,171
Furniture and equipment	7,287		7,287		6,610
Total self storage properties	3,354,454		3,354,454		3,091,719
Less accumulated depreciation	(389,828)		(389,828)		(337,822)
Self storage properties, net	2,964,626		2,964,626		$ 2,753,897
Depreciation expense related to self storage properties	$ 26,300	$ 22,700	$ 52,000	$ 44,200

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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Narrative (Details) storage_unit in Thousands, $ in Thousands, ft² in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020 ft² property storage_unit state	Mar. 31, 2020 property	Jun. 30, 2020 USD ($) ft² property storage_unit state	Jun. 30, 2019 USD ($)	Dec. 31, 2016 property
Schedule of Equity Method Investments [Line Items]
Number of self storage properties	784		784
Rentable square feet in self storage properties | ft²	49.2		49.2
Number of storage units | storage_unit	394		394
Number of states in which self storage properties are located | state	35		35
Number of properties acquired	4	36	40
Payments to joint venture | $			$ 3,125	$ 0
2018 Joint Venture
Schedule of Equity Method Investments [Line Items]
Company's equity interest in unconsolidated real estate ventures (percent)	25.00%		25.00%
2016 Joint Venture
Schedule of Equity Method Investments [Line Items]
Company's equity interest in unconsolidated real estate ventures (percent)	25.00%		25.00%
Joint venture | 2018 Joint Venture
Schedule of Equity Method Investments [Line Items]
Company's equity interest in unconsolidated real estate ventures (percent)	25.00%		25.00%
Joint venture | 2016 Joint Venture
Schedule of Equity Method Investments [Line Items]
Payments to joint venture | $			$ 3,100
Company's equity interest in unconsolidated real estate ventures (percent)	25.00%		25.00%
Unconsolidated properties | Joint venture | 2018 Joint Venture
Schedule of Equity Method Investments [Line Items]
Number of self storage properties	103		103
Rentable square feet in self storage properties | ft²	7.7		7.7
Number of storage units | storage_unit	64		64
Number of states in which self storage properties are located | state	17		17
Unconsolidated properties | Joint venture | 2016 Joint Venture
Schedule of Equity Method Investments [Line Items]
Number of self storage properties	74		74		66
Rentable square feet in self storage properties | ft²	4.9		4.9
Number of storage units | storage_unit	40		40
Number of states in which self storage properties are located | state	13		13
Number of properties acquired			2
Payments to acquire property | $			$ 12,100

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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Condensed Financial Position (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
ASSETS
Self storage properties, net	$ 2,964,626		$ 2,753,897
Other assets	60,927		65,441
Total assets	3,285,050		3,084,245
LIABILITIES AND EQUITY
Debt financing	1,741,544		1,534,047
Equity	1,368,745	$ 1,381,055	1,452,101	$ 1,498,784	$ 1,403,188	$ 1,402,299
Total liabilities and equity	3,285,050		3,084,245
Joint venture | Unconsolidated real estate ventures
ASSETS
Self storage properties, net	1,818,225		1,835,235
Other assets	23,945		22,413
Total assets	1,842,170		1,857,648
LIABILITIES AND EQUITY
Debt financing	989,601		989,182
Other liabilities	20,386		20,487
Equity	832,183		847,979
Total liabilities and equity	$ 1,842,170		$ 1,857,648

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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Condensed Operating Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Related Party Transaction [Line Items]
Revenues	$ 104,417	$ 95,419	$ 208,639	$ 185,991
Property operating expenses	30,257	27,190	60,849	53,647
Depreciation and amortization	(29,309)	(25,829)	(58,414)	(50,178)
Interest expense	(15,513)	(13,947)	(31,141)	(27,158)
Acquisition costs	(252)	(305)	(1,085)	(462)
Net income (loss)	10,422	(7,656)	17,070	(245)
Joint venture | Unconsolidated real estate ventures
Related Party Transaction [Line Items]
Revenues	39,730	40,858	79,968	80,653
Property operating expenses	11,371	12,544	24,549	25,088
Net operating income	28,359	28,314	55,419	55,565
Supervisory, administrative and other expenses	(2,640)	(2,706)	(5,309)	(5,359)
Depreciation and amortization	(15,245)	(21,888)	(30,391)	(43,714)
Interest expense	(10,300)	(9,941)	(20,564)	(19,961)
Loss on sale of self storage properties			0	(806)
Acquisition costs	(20)	(419)	(419)	(827)
Net income (loss)	$ 154	$ (6,640)	$ (1,264)	$ (15,102)

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ACQUISITIONS - Narrative (Details) $ in Thousands		3 Months Ended		6 Months Ended
	Mar. 31, 2020 USD ($)	Jun. 30, 2020 USD ($) property shares	Mar. 31, 2020 property	Jun. 30, 2020 USD ($) property shares	Dec. 31, 2019 USD ($)
Schedule of Asset Acquisition [Line Items]
Number of properties acquired | property		4	36	40
Estimated fair value of net assets acquired				$ 259,000
Acquisition-related costs capitalized				4,200
Goodwill		$ 8,182		8,182	$ 5,750
SecurCare and DLAN
Schedule of Asset Acquisition [Line Items]
Amount allocated to tangible fixed assets		100		100
Goodwill		2,400		2,400
SecurCare and DLAN | Trade name
Schedule of Asset Acquisition [Line Items]
Amount allocated to indefinite lived intangible assets		$ 3,200		$ 3,200
SecurCare | OP units
Schedule of Asset Acquisition [Line Items]
Number of units to be issued for internalization transaction | shares		348,020		348,020
SecurCare | OP units | SecurCare and DLAN
Schedule of Asset Acquisition [Line Items]
Value of OP units issued in acquisition	$ 10,300
Real estate
Schedule of Asset Acquisition [Line Items]
Recognized fair value allocated to real estate				$ 253,700
Customer in-place leases
Schedule of Asset Acquisition [Line Items]
Recognized fair value allocated to intangible assets				5,300
Management contract
Schedule of Asset Acquisition [Line Items]
Finite lived intangibles, useful life	15 years
Management contract | SecurCare and DLAN
Schedule of Asset Acquisition [Line Items]
Amount allocated to finite lived intangible assets		$ 4,600		$ 4,600
Assets acquired from PROs | Affiliated entity
Schedule of Asset Acquisition [Line Items]
Number of properties acquired | property				3
Estimated fair value of net assets acquired				$ 25,100

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ACQUISITIONS - Summary of Acquisitions (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) property	Mar. 31, 2020 USD ($) property	Jun. 30, 2020 USD ($) property
Asset Acquisitions During Period
Number of Properties | property	4	36	40
Cash and Acquisition Costs	$ 30,198	$ 214,584	$ 244,782
Value of OP Equity	5,842	7,217	13,059
Other Liabilities	207	972	1,179
Total	$ 36,247	$ 222,773	$ 259,020

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OTHER ASSETS - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Receivables:
Trade, net	$ 2,776	$ 2,809
PROs and other affiliates	1,476	2,773
Receivables from unconsolidated real estate ventures	4,385	4,765
Property acquisition and other deposits	294	4,438
Interest rate swaps	0	980
Equity securities	0	7,703
Prepaid expenses and other	5,190	4,762
Corporate furniture, equipment and other, net	1,998	1,925
Goodwill	8,182	5,750
Total	60,927	65,441
Customer in-place leases
Other Assets
Intangibles	3,751	3,704
Accumulated amortization	3,336	7,267
Management contract
Other Assets
Intangibles	12,505	8,349
Accumulated amortization	2,715	2,274
Tenant reinsurance intangible
Other Assets
Intangibles	13,990	14,283
Accumulated amortization	610	317
Trade name
Receivables:
Trade names	$ 6,380	$ 3,200

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OTHER ASSETS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Customer in-place leases
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 2.4	$ 2.8	$ 5.3	$ 5.3
Management contract
Finite-Lived Intangible Assets [Line Items]
Amortization expense	0.3	0.2	0.5	0.4
Tenant reinsurance intangible
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 0.1	$ 0.1	$ 0.2	$ 0.1

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DEBT FINANCING - Debt Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Principal amount	$ 1,746,349	$ 1,539,260
Unamortized debt issuance costs and debt premium, net	(4,805)	(5,213)
Total debt	$ 1,741,544	1,534,047
Line of credit | Credit Facility | Revolving line of credit
Debt Instrument [Line Items]
Effective interest rate (percent)	1.46%
Principal amount	$ 211,000	0
Unsecured debt | Credit Facility | Term loan A
Debt Instrument [Line Items]
Effective interest rate (percent)	3.74%
Principal amount	$ 125,000	125,000
Unsecured debt | Credit Facility | Term loan B
Debt Instrument [Line Items]
Effective interest rate (percent)	2.91%
Principal amount	$ 250,000	250,000
Unsecured debt | Credit Facility | Term loan C
Debt Instrument [Line Items]
Effective interest rate (percent)	2.80%
Principal amount	$ 225,000	225,000
Unsecured debt | Credit Facility | Term loan D
Debt Instrument [Line Items]
Effective interest rate (percent)	3.57%
Principal amount	$ 175,000	175,000
Unsecured debt | 2023 Term loan facility
Debt Instrument [Line Items]
Effective interest rate (percent)	2.83%
Principal amount	$ 175,000	175,000
Unsecured debt | 2028 Term loan facility
Debt Instrument [Line Items]
Effective interest rate (percent)	4.62%
Principal amount	$ 75,000	75,000
Unsecured debt | 2029 Term loan facility
Debt Instrument [Line Items]
Effective interest rate (percent)	4.27%
Principal amount	$ 100,000	100,000
Unsecured debt | 2029 Senior Unsecured Notes
Debt Instrument [Line Items]
Effective interest rate (percent)	3.98%
Principal amount	$ 100,000	100,000
Unsecured debt | 2031 Senior Unsecured Notes
Debt Instrument [Line Items]
Effective interest rate (percent)	4.08%
Principal amount	$ 50,000	50,000
Mortgages | Fixed rate mortgages payable
Debt Instrument [Line Items]
Effective interest rate (percent)	4.18%
Principal amount	$ 260,349	$ 264,260

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DEBT FINANCING - Narrative (Details) - USD ($)	Aug. 04, 2020	Jun. 30, 2020
Unsecured debt | Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,275,000,000
Maximum borrowing capacity if expansion option is exercised		1,750,000,000
Unsecured debt | 2030 Notes | Subsequent Event
Debt Instrument [Line Items]
Debt instrument, face amount	$ 150,000,000.0
Debt instrument, interest rate (percent)	2.99%
Unsecured debt | 2032 Notes | Subsequent Event
Debt Instrument [Line Items]
Debt instrument, face amount	$ 100,000,000.0
Debt instrument, interest rate (percent)	3.09%
Revolving line of credit | Line of credit | Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		500,000,000.0
Revolving line of credit remaining borrowing capacity		283,300,000
Term loan A | Unsecured debt | Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		125,000,000.0
Term loan B | Unsecured debt | Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		250,000,000.0
Term loan C | Unsecured debt | Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		225,000,000.0
Term loan D | Unsecured debt | Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		175,000,000.0
Letter of credit | Line of credit | Credit Facility
Debt Instrument [Line Items]
Letters of credit outstanding		$ 5,700,000

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DEBT FINANCING - Future Debt Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Scheduled Principal and Maturity Payments
Remainder of 2020	$ 36,736
2021	7,603
2022	4,205
2023	377,049
2024	482,964
2025	227,185
Thereafter	610,607
Total principal	1,746,349	$ 1,539,260
Amortization of Premium and Unamortized Debt Issuance Costs
Remainder of 2020	(749)
2021	1,510
2022	(1,512)
2023	(1,159)
2024	(790)
2025	(218)
Thereafter	(1,133)
Total unamortized debt issuance costs and debt premium, net	(4,805)	(5,213)
Total
Remainder of 2020	35,987
2021	6,093
2022	2,693
2023	375,890
2024	482,174
2025	226,967
Thereafter	611,740
Total debt	$ 1,741,544	$ 1,534,047

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EARNINGS PER SHARE - Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator
Net income	$ 17,787	$ 15,763	$ 17,733	$ 12,940	$ 33,550	$ 30,673
Net income attributable to noncontrolling interests	(7,365)		(25,389)		(16,480)	(30,918)
Net income (loss) attributable to National Storage Affiliates Trust	10,422		(7,656)		17,070	(245)
Distributions to preferred shareholders	(3,274)		(3,257)		(6,547)	(5,845)
Distributed and undistributed earnings allocated to participating securities	(11)		(9)		(23)	(18)
Net income (loss) attributable to common shareholders - basic and diluted	$ 7,137		$ (10,922)		$ 10,500	$ (6,108)
Denominator
Weighted average shares outstanding - basic and diluted (in shares)	68,210		57,543		64,004	57,101
Earnings (loss) per share - basic and diluted (in dollars per share)	$ 0.10		$ (0.19)		$ 0.16	$ (0.11)

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EARNINGS PER SHARE - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2020 shares	Jun. 30, 2019 shares	Jun. 30, 2020 shares	Jun. 30, 2019 shares
NSA OP, LP | OP units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Unit conversion ratio			1
Minimum conversion period (in years)			1 year
NSA OP, LP | LTIP units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Unit conversion ratio			1
DownREIT Partnership | OP units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Unit conversion ratio			1
Minimum conversion period (in years)			5 years
DownREIT Partnership | Subordinated performance units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Unit conversion ratio			1
Minimum conversion period (in years)			5 years
NSA OP, LP And DownREIT Partnership | Subordinated performance units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Unit conversion ratio			1
Minimum conversion period (in years)			2 years
LTIP units with vesting based on service or market condition
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Equity interests excluded from computation of diluted earnings per share (in units)			420,280
LTIP units with vesting based on future acquisitions
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Equity interests excluded from computation of diluted earnings per share (in units)			252,894
OP units, DownREIT OP units, Subordinated performance units, DownREIT subordinated performance units, Vested LTIP units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Equity interests excluded from computation of diluted earnings per share (in units)	46,900,000	54,000,000.0	49,000,000.0	53,200,000

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RELATED PARTY TRANSACTIONS (Details) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2020 USD ($) property	Mar. 31, 2020 USD ($) property	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) property shares	Jun. 30, 2019 USD ($)
Related Party Transaction [Line Items]
Payroll and related costs reimbursed to the PROs by the Company	$ 30,257		$ 27,190	$ 60,849	$ 53,647
Number of properties acquired | property	4	36		40
Consideration in acquisition transaction	$ 36,247	$ 222,773		$ 259,020
Value of OP Equity	5,842	$ 7,217		13,059
Supervisory and Administrative Fee Agreement | Management | Participating Regional Operator (PRO)
Related Party Transaction [Line Items]
Supervisory and administrative fees paid to the PROs	3,500		4,900	$ 8,800	9,600
Supervisory and Administrative Fee Agreement | Management | Participating Regional Operator (PRO) | Minimum
Related Party Transaction [Line Items]
Supervisory and administrative fee agreement of gross revenue, percent				5.00%
Supervisory and Administrative Fee Agreement | Management | Participating Regional Operator (PRO) | Maximum
Related Party Transaction [Line Items]
Supervisory and administrative fee agreement of gross revenue, percent				6.00%
Payroll Services | Management | Participating Regional Operator (PRO)
Related Party Transaction [Line Items]
Payroll and related costs reimbursed to the PROs by the Company	5,500		7,900	$ 14,300	15,700
Due Diligence Costs | Management | Participating Regional Operator (PRO)
Related Party Transaction [Line Items]
Due diligence expenses payable to the PROs	$ 100		$ 300	$ 200	$ 600
Self storage property purchase from affiliate of executives | Affiliated entity
Related Party Transaction [Line Items]
Number of properties acquired | property				1
Consideration in acquisition transaction				$ 7,500
Self storage property purchase from affiliate of trustee | Affiliated entity
Related Party Transaction [Line Items]
Number of properties acquired | property				1
Consideration in acquisition transaction				$ 6,600
OP units | Self storage property purchase from affiliate of executives | Affiliated entity | Mr. Arlen Nordhagen
Related Party Transaction [Line Items]
Number of OP Units in acquisition (in shares) | shares				58,376
Value of OP Equity				$ 1,500
OP units | Self storage property purchase from affiliate of executives | Affiliated entity | Mr. David Cramer
Related Party Transaction [Line Items]
Number of OP Units in acquisition (in shares) | shares				29,689
Value of OP Equity				$ 700
OP units | Self storage property purchase from affiliate of trustee | Affiliated entity | Mr. J. Timothy Warren
Related Party Transaction [Line Items]
Number of OP Units in acquisition (in shares) | shares				15,512
Value of OP Equity				$ 400

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FAIR VALUE MEASUREMENTS - Interest Swap Derivatives (Details) - Interest Rate Swap - Level 2 - Designated as Hedging Instrument - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis [Roll Forward]
Fair value at beginning of period	$ (19,083)	$ 14,195
(Gains) losses on interest rate swaps reclassified into interest expense from accumulated other comprehensive (loss) income	4,546	(2,553)
Unrealized losses on interest rate swaps included in accumulated other comprehensive (loss) income	(76,792)	(27,114)
Fair value of end of period	$ (91,329)	$ (15,472)

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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated unrealized losses to be reclassified from AOCI to earnings in the next twelve months	$ 19,800,000
Level 2 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed rate mortgages, fair value disclosure	$ 284,700,000	$ 280,900,000
Weighted average market interest rate (percent)	2.50%	3.28%
Weighted average contractual interest rate (percent)	4.83%	4.81%
Reported Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed rate mortgages, fair value disclosure	$ 260,300,000	$ 264,300,000
Designated as Hedging Instrument | Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional amount	$ 1,125,000,000.0	$ 1,125,000,000.0
Weighted average remaining term	3 years 9 months 18 days
Weighted average fixed rate (percent)	1.90%

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LEASES - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) property	Jun. 30, 2019 USD ($)
Real estate leasehold interest
Lessee, Lease, Description [Line Items]
Number of properties subject to non-cancelable leasehold interest agreements | property			8
Rent expense	$ 0.5	$ 0.4	$ 0.9	$ 0.8
Real estate leasehold interest | Minimum
Lessee, Lease, Description [Line Items]
Operating leases, term (in years)	14 years		14 years
Real estate leasehold interest | Maximum
Lessee, Lease, Description [Line Items]
Operating leases, term (in years)	72 years		72 years
Office leases
Lessee, Lease, Description [Line Items]
Rent expense	$ 0.1	$ 0.1	$ 0.2	$ 0.2
Office leases | Minimum
Lessee, Lease, Description [Line Items]
Operating leases, term (in years)	2 years		2 years
Office leases | Maximum
Lessee, Lease, Description [Line Items]
Operating leases, term (in years)	9 years		9 years

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LEASES - Weighted-Average Remaining Term and Weighted-Average Discount Rate (Details)	Jun. 30, 2020
Real estate leasehold interest
Lessee, Lease, Description [Line Items]
Weighted-average remaining lease term	28 years
Weighted-average remaining discount rate	4.90%
Office leases
Lessee, Lease, Description [Line Items]
Weighted-average remaining lease term	7 years
Weighted-average remaining discount rate	3.80%

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LEASES - Future Minimum Lease Payments Under Operating Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Future Minimum Lease Payments
Remainder of 2020	$ 920
Year One	1,915	$ 1,705
Year Two	1,924	1,831
Year Three	1,894	1,840
Year Four	1,920	1,810
Year Five		1,823
2025 through 2092	37,808
2025 through 2092		37,419
Total lease payments	46,381	46,428
Less imputed interest	(21,286)	(21,763)
Operating lease liabilities	25,095	24,665	$ 24,152
Real estate leasehold interest
Future Minimum Lease Payments
Remainder of 2020	715
Year One	1,444	1,419
Year Two	1,459	1,444
Year Three	1,464	1,459
Year Four	1,470	1,464
Year Five		1,470
2025 through 2092	36,728
2025 through 2092		36,728
Total lease payments	43,280	43,984
Less imputed interest	(20,905)	(21,440)
Operating lease liabilities	22,375	22,544
Office leases
Future Minimum Lease Payments
Remainder of 2020	205
Year One	471	286
Year Two	465	387
Year Three	430	381
Year Four	450	346
Year Five		353
2025 through 2092	1,080
2025 through 2092		691
Total lease payments	3,101	2,444
Less imputed interest	(381)	(323)
Operating lease liabilities	$ 2,720	$ 2,121

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SUBSEQUENT EVENTS (Details) - Subsequent Event - Unsecured debt	Aug. 04, 2020 USD ($)
2030 Notes
Subsequent Event [Line Items]
Debt instrument, face amount	$ 150,000,000.0
Debt instrument, interest rate (percent)	2.99%
2032 Notes
Subsequent Event [Line Items]
Debt instrument, face amount	$ 100,000,000.0
Debt instrument, interest rate (percent)	3.09%