Represents the contract amount to purchase real estate as of the balance sheet date.

No definition available.

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Represents the number of properties to be acquired under the contract.

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No definition available.

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The amount of property contributed to real estate venture.

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No definition available.

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The amount of depreciation and amortization reported by an equity method investment of the entity.

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No definition available.

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The amount of net interest income (expense) reported by an equity method investment of the entity.

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No definition available.

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The amount of operating expenses reported by an equity method investment of the entity.

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No definition available.

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The amount of real estate property reported by an equity method investment of the entity.

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The amount of other liabilities reported by an equity method investment of the entity.

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The amount of net real estate property reported by an equity method investment of the entity.

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No definition available.

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Represents the amount of venture's loan held.

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No definition available.

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Represents the number of real estate properties that were acquired.

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Represents the number of self-storage facilities acquired with assumed mortgage debt associated with the facility.

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The number of self-storage facilities involved in transaction.

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Represents the amount of proceeds distributed proportionately to partners after deposits and closing costs.

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The amount of proceed received from venture for real estate contribution.

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Represents the intangible lease assets recorded as part of the real estate acquisition.

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Represents the debt assumed on real estate acquisition.

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Represents the premium on debt assumed on real estate acquisition.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The amount of assets reported by an equity method investment of the entity.

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Amount of equity, excluding noncontrolling interest, attributable to the equity method investment of the entity.

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The amount of liabilities and equity reported by an equity method investment of the entity.

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Amount of equity attributable to noncontrolling interests of an equity method investment of the entity.

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The amount of net income (loss) reported by an equity method investment of the entity.

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The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of the contractual principal due at the origination of the mortgage loan (face amount).

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURE (Details) $ in Thousands													3 Months Ended		12 Months Ended
	Dec. 31, 2017 USD ($) facility	Nov. 01, 2017 USD ($)	Oct. 16, 2017 USD ($)	Dec. 15, 2016 USD ($) facility	Nov. 29, 2016 USD ($) facility	Jun. 15, 2016 USD ($) facility	Apr. 21, 2016 USD ($) facility	Mar. 30, 2016 USD ($) facility	Jan. 26, 2016 USD ($) facility	Dec. 08, 2015 USD ($) facility	May 01, 2014 USD ($) facility	Dec. 10, 2013 USD ($) property facility	Mar. 31, 2016 USD ($) facility	Dec. 31, 2015 USD ($) facility	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) facility	Dec. 15, 2017
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities	$ 91,206														$ 91,206	$ 98,682
Acquisitions of storage facilities															69,629	366,666	$ 275,726
Payment made for acquisition of interest in real estate ventures															301	12,176	8,433
Interest on real estate venture debt																		4.375%
Contribution of storage property to real estate venture															9,400
Summary of results of operations of the real estate venture
Company’s share of net income (loss)															(1,386)	(2,662)	$ (411)
HHFNE
Investment in Unconsolidated Real Estate Venture
Ownership interest in partnership (as a percent)				10.00%
Number of self-storage facilities acquired \| facility				13
Acquisitions of storage facilities				$ 87,500
Intangible value of the in-place leases				$ 6,000
HVP
Investment in Unconsolidated Real Estate Venture
Ownership interest in partnership (as a percent)														10.00%			10.00%
Number of self-storage facilities acquired \| facility	2				1	1	5	30	1	30
Number of self-storage facilities acquired, assumed mortgage debt \| facility														6
Acquisitions of storage facilities					$ 2,700	$ 7,000	$ 36,100	$ 112,800	$ 5,700	$ 193,700
Number of properties to be acquired under the contract \| facility													31	37			37
Contract amount to purchase real estate													$ 115,500	$ 242,500			$ 242,500
Intangible value of the in-place leases													10,600	18,900			18,900
Assumed mortgage debt, at fair value	$ 25,300														25,300
Outstanding principal balance of mortgage debt assumed on acquisitions	23,700														23,700
Premium on debt assumed on acquisitions	1,600														1,600
Investment in joint venture	$ 16,100												5,400	10,700	16,100		$ 10,700
Initial advance														116,000
Venture's loan														$ 122,000
Amount of loan obtained													63,500
HVP \| Maximum
Investment in Unconsolidated Real Estate Venture
Venture's loan													$ 185,500
HVP \| LIBOR
Investment in Unconsolidated Real Estate Venture
Interest rate (as percentage)													2.00%	2.00%
HHF
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| property												35
Payment made for acquisition of interest in real estate ventures												$ 315,700
Intangible value of the in-place leases												$ 12,100
Proceeds after closing costs distributed proportionately to partners											$ 99,200
HHF \| Secured loan 3.59% due April 30, 2021
Investment in Unconsolidated Real Estate Venture
Amount of loan obtained											$ 100,000
Interest on real estate venture debt											3.59%
Arizona \| HVP
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| facility	1
Acquisitions of storage facilities	$ 20,500
Michigan \| HVP
Investment in Unconsolidated Real Estate Venture
Number of properties to be acquired under the contract \| facility														17			17
Connecticut \| HHFNE
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| facility				3
Massachusetts \| HHFNE
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| facility				6
Massachusetts \| HVP
Investment in Unconsolidated Real Estate Venture
Number of properties to be acquired under the contract \| facility														7			7
Rhode Island \| HHFNE
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| facility				2
Vermont \| HHFNE
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| facility				2
Tennessee \| HVP
Investment in Unconsolidated Real Estate Venture
Number of properties to be acquired under the contract \| facility														10			10
Florida \| HVP
Investment in Unconsolidated Real Estate Venture
Number of properties to be acquired under the contract \| facility														3			3
Texas
Investment in Unconsolidated Real Estate Venture
Acquisitions of storage facilities			$ 9,400
Texas \| HVP
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| facility	1
Texas \| HHF
Investment in Unconsolidated Real Estate Venture
Number of storage facilities owned by investee \| facility											34
Number of self-storage facilities acquired \| facility												34
North Carolina \| HVP
Investment in Unconsolidated Real Estate Venture
Number of properties to be acquired under the contract \| facility													4
North Carolina \| HHF
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| facility												(1)
South Carolina \| HVP
Investment in Unconsolidated Real Estate Venture
Number of properties to be acquired under the contract \| facility													22
Georgia \| HVP
Investment in Unconsolidated Real Estate Venture
Number of properties to be acquired under the contract \| facility													5
Ventures
Assets
Storage facilities, net	$ 647,668														647,668	667,975
Other assets	8,284														8,284	17,003
Total Assets	655,952														655,952	684,978
Liabilities and equity
Other liabilities	6,853														6,853	6,516
Debt	346,475														346,475	345,631
Equity
CubeSmart	91,206														91,206	98,682
Joint venture partner	211,418														211,418	234,149
Total liabilities and equity	$ 655,952														655,952	684,978
Summary of results of operations of the real estate venture
Total revenues															81,058	64,931	$ 31,249
Operating expenses															34,705	29,900	15,042
Interest expense, net															11,703	9,432	3,846
Depreciation and amortization															45,086	53,701	16,214
Net income (loss)															(10,436)	(28,102)	(3,853)
Company’s share of net income (loss)															$ (1,386)	$ (2,662)	$ (411)
HHFNE
Investment in Unconsolidated Real Estate Venture
Investment in joint venture				$ 3,800
Initial advance				$ 44,500
HHFNE \| LIBOR
Investment in Unconsolidated Real Estate Venture
Interest rate (as percentage)				1.90%
HVP \| Texas
Investment in Unconsolidated Real Estate Venture
Ownership interest in partnership (as a percent)		20.00%
Contribution of storage property to real estate venture		$ 9,400
Proceeds from venture related to real estate contribution		$ 7,500
HHF
Investment in Unconsolidated Real Estate Venture
Ownership interest in partnership (as a percent)												50.00%