Amount of cash retained by the venture.

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

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No definition available.

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The amount of other expenses 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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Represents the number of real estate properties that were acquired.

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Represents the number of real estate properties that were sold.

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No definition available.

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The number of self-storage facilities involved in transaction.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The cash outflow or inflow increase (decrease) in distribution due to real estate partnership based upon payments and accruals.

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Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

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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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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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The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of investment in equity method investee and investment in and advance to affiliate.

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Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURE (Details) $ in Thousands			12 Months Ended
	Aug. 30, 2022 USD ($) facility	Sep. 29, 2020 USD ($)	Dec. 31, 2022 USD ($) property facility	Dec. 31, 2021 USD ($) property	Dec. 31, 2020 USD ($)	Dec. 09, 2021 facility
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities			$ 105,993	$ 119,751
Equity method investment, difference between carrying amount and underlying equity			32,700	33,600
Acquisitions of storage facilities			89,004	151,547	$ 417,988
Investment in real estate ventures			(21)	(28,261)	(7,022)
Credit facility, outstanding			60,900	209,900
Investment in joint venture			6,138
ASSETS
Storage facilities, net			6,048,003	6,097,670	4,505,814
Total assets			6,325,830	6,548,079
Equity
CubeSmart			2,826,203	2,871,563
Joint venture partners			14,178	18,597
Total liabilities and equity			6,325,830	6,548,079
Total revenues			1,009,624	822,564	679,177
Gains from sales of real estate, net				32,698	6,710
Net income			292,472	230,813	167,611
Company's share of net income (loss)			48,877	25,275	178
HVPSE
Investment in Unconsolidated Real Estate Venture
Number of assets sold \| facility	14
Net proceeds from sale of assets	$ 150,100
Aggregate sale price	235,000
Investment in real estate ventures	49,900
Amount of cash retained by venture			3,500
Equity
Gains from sales of real estate, net	114,100
HVPSE \| Term Loan Facility
Investment in Unconsolidated Real Estate Venture
Amount of debt repaid	$ 81,600
New York
Investment in Unconsolidated Real Estate Venture
Cash paid for acquisition of remaining interest in real estate ventures		$ 1,000
Florida \| HVPSE
Investment in Unconsolidated Real Estate Venture
Number of assets sold \| facility	2
South Carolina \| HVPSE
Investment in Unconsolidated Real Estate Venture
Number of assets sold \| facility	4
Georgia \| HVPSE
Investment in Unconsolidated Real Estate Venture
Number of assets sold \| facility	8
Ventures
ASSETS
Storage facilities, net			741,563	850,250
Other assets			11,708	34,760
Total assets			753,271	885,010
LIABILITIES AND CAPITAL
Debt			468,783	526,972
Other liabilities			16,626	14,500
Equity
CubeSmart			73,289	86,083
Joint venture partners			194,573	257,455
Total liabilities and equity			753,271	885,010
Total revenues			102,910	88,449	67,239
Operating expenses			(42,408)	(37,967)	(30,755)
Other (expenses) income			(484)	(1,138)	(430)
Interest expense, net			(15,568)	(12,031)	(11,585)
Depreciation and amortization			(36,866)	(37,805)	(33,086)
Gains from sales of real estate, net			114,107	46,966
Net income			121,691	46,474	$ (8,617)
Ventures
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities			$ 105,993	$ 119,751
Number of storage facilities owned by investee \| property			77	90
Fontana
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities			$ 13,789	$ 14,225
Ownership interest in partnership (as a percent)			50.00%			50.00%
Equity method investment, difference between carrying amount and underlying equity			$ 13,100
Number of storage facilities owned by investee			1	1		1
RCSS
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities			$ 20,994	$ 21,536
Ownership interest in partnership (as a percent)			50.00%			50.00%
Equity method investment, difference between carrying amount and underlying equity			$ 19,600
Number of storage facilities owned by investee \| property			1	1
HVP V
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities			$ 14,318	$ 16,080
Ownership interest in partnership (as a percent)			20.00%
Number of storage facilities owned by investee \| property			6	5
HVP V \| New Jersey
Investment in Unconsolidated Real Estate Venture
Number of self-storage facilities acquired \| facility			1
Acquisitions of storage facilities			$ 33,200
Contribution To Real Estate Venture			$ 100
HVPSE
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities				$ 4,541
Ownership interest in partnership (as a percent)			10.00%
Number of storage facilities owned by investee \| property				14
HVP IV
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities			$ 19,853	$ 23,223
Ownership interest in partnership (as a percent)			20.00%
Number of storage facilities owned by investee \| property			28	28
HHFNE
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities			$ 1,101	$ 1,291
Ownership interest in partnership (as a percent)			10.00%
Number of storage facilities owned by investee \| property			13	13
HHF
Investment in Unconsolidated Real Estate Venture
Investment in real estate entities			$ 35,938	$ 38,855
Ownership interest in partnership (as a percent)			50.00%
Number of storage facilities owned by investee \| property			28	28