XML 30 R13.htm IDEA: XBRL DOCUMENT
v3.25.4

CONSOLIDATED STATEMENTS OF CAPITAL (LP cube) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Increase (Decrease) in Partners' Capital |  |  |
Balance of Noncontrolling Interests in the Operating Partnership | $ 51,193 |  |
Contributions from noncontrolling interests in subsidiaries | 303 | $ 10,987 | $ 8,699
Distributions paid to noncontrolling interest in subsidiaries | $ (566) | $ (418) | $ (316)
Redemption of OP units for cash (in units) | (91,465) | (105,757) | (126,087)
Adjustment for Operating Partnership interests of third parties | $ 6,561 | $ 3,989 | $ (8,084)
Net income (loss) | 329,692 | 389,726 | 409,900
Other comprehensive income, net | 81 | 81 | 80
Balance of Noncontrolling Interests in the Operating Partnership | 36,167 | 51,193 |
Noncontrolling Interests in the Operating Partnership |  |  |
Increase (Decrease) in Partners' Capital |  |  |
Balance of Noncontrolling Interests in the Operating Partnership | 51,193 | 60,276 | 57,419
Adjustment for Operating Partnership interests of third parties | (6,561) | (3,989) | 8,084
Net income (loss) | 1,625 | 2,159 | 2,535
Other comprehensive income (loss), net |  |  | 1
Balance of Noncontrolling Interests in the Operating Partnership | 36,167 | 51,193 | 60,276
CubeSmart, L.P. and Subsidiaries |  |  |
Increase (Decrease) in Partners' Capital |  |  |
Balance | 2,902,675 | 2,820,532 | 2,840,381
Balance of Noncontrolling Interests in the Operating Partnership | 51,193 |  |
Contributions from noncontrolling interests in subsidiaries | 303 | 10,987 | 8,699
Distributions paid to noncontrolling interest in subsidiaries | (566) | (418) | (316)
Issuance of OP units, net | (453) |  | (276)
Repurchase of OP units | (31,916) |  |
Issuance of restricted OP units | 1 | 1 |
Redemption of OP units for cash | 412 | 118,269 |
Conversion from OP units to shares | 3,753 | 4,716 | 5,042
Exercise of OP unit options | 5,406 | 9,941 | 2,716
Amortization of restricted OP units |  |  | 10,089
Equity compensation expense | 11,544 | 11,487 |
Taxes withheld upon net settlement of equity compensation | (3,263) | (1,044) | (817)
Adjustment for Operating Partnership interests of third parties | 6,561 | 3,989 | (8,084)
Net income (loss) | 329,692 | 389,726 | 409,900
Other comprehensive income, net | 81 | 81 | 80
OP unit distributions | (478,321) | (465,592) | (446,882)
Balance | 2,745,909 | 2,902,675 | 2,820,532
Balance of Noncontrolling Interests in the Operating Partnership | 36,167 | 51,193 |
CubeSmart, L.P. and Subsidiaries | Noncontrolling Interests in the Operating Partnership |  |  |
Increase (Decrease) in Partners' Capital |  |  |
Balance of Noncontrolling Interests in the Operating Partnership | 51,193 | 60,276 | 57,419
Redemption of OP units for cash | (4,066) |  |
Conversion from OP units to shares | (3,753) | (4,716) | (5,042)
Adjustment for Operating Partnership interests of third parties | (6,561) | (3,989) | 8,084
Net income (loss) | 1,625 | 2,159 | 2,535
Other comprehensive income (loss), net |  |  | 1
OP unit distributions | (2,271) | (2,537) | (2,721)
Balance of Noncontrolling Interests in the Operating Partnership | 36,167 | 51,193 | 60,276
CubeSmart, L.P. and Subsidiaries | Total Shareholders' Equity |  |  |
Increase (Decrease) in Partners' Capital |  |  |
Balance | 2,871,856 | 2,798,828 | 2,826,203
Issuance of OP units, net | (453) |  | (276)
Repurchase of OP units | (31,916) |  |
Issuance of restricted OP units | 1 | 1 |
Redemption of OP units for cash | 412 | 118,269 |
Conversion from OP units to shares | 3,753 | 4,716 | 5,042
Exercise of OP unit options | 5,406 | 9,941 | 2,716
Amortization of restricted OP units |  |  | 10,089
Equity compensation expense | 11,544 | 11,487 |
Taxes withheld upon net settlement of equity compensation | (3,263) | (1,044) | (817)
Adjustment for Operating Partnership interests of third parties | 6,561 | 3,989 | (8,084)
Net income (loss) | 333,782 | 391,180 | 410,757
Other comprehensive income, net | 81 | 81 | 80
OP unit distributions | (478,321) | (465,592) | (446,882)
Balance | 2,719,443 | 2,871,856 | 2,798,828
CubeSmart, L.P. and Subsidiaries | Operating Partner |  |  |
Increase (Decrease) in Partners' Capital |  |  |
Balance | $ 2,872,186 | $ 2,799,239 | $ 2,826,694
Balance (in units) | 227,765,000 | 224,921,000 | 224,603,000
Issuance of OP units, net | $ (453) |  | $ (276)
Issuance of common OP units (in units) |  | 2,336,000 |
Repurchase of OP units | $ (31,916) |  |
Repurchase of OP units (in units) | (890,000) |  |
Issuance of restricted OP units | $ 1 | $ 1 |
Issuance of restricted OP units (in units) | 134,000 | 55,000 | 48,000
Redemption of OP units for cash | $ 412 | $ 118,269 |
Conversion from OP units to shares | $ 3,753 | $ 4,716 | $ 5,042
Conversion from OP units to shares (in units) | 91,000 | 105,000 | 126,000
Exercise of OP unit options | $ 5,406 | $ 9,941 | $ 2,716
Exercise of OP unit options (in units) | 169,000 | 348,000 | 144,000
Amortization of restricted OP units |  |  | $ 10,089
Equity compensation expense | $ 11,544 | $ 11,487 |
Taxes withheld upon net settlement of equity compensation | (3,263) | (1,044) | (817)
Adjustment for Operating Partnership interests of third parties | 6,561 | 3,989 | (8,084)
Net income (loss) | 333,782 | 391,180 | 410,757
OP unit distributions | (478,321) | (465,592) | (446,882)
Balance | $ 2,719,692 | $ 2,872,186 | $ 2,799,239
Balance (in units) | 227,269,000 | 227,765,000 | 224,921,000
CubeSmart, L.P. and Subsidiaries | Accumulated Other Comprehensive Income (Loss) |  |  |
Increase (Decrease) in Partners' Capital |  |  |
Balance | $ (330) | $ (411) | $ (491)
Other comprehensive income, net | 81 | 81 | 80
Balance | (249) | (330) | (411)
CubeSmart, L.P. and Subsidiaries | Noncontrolling Interest in Subsidiaries |  |  |
Increase (Decrease) in Partners' Capital |  |  |
Balance | 30,819 | 21,704 | 14,178
Contributions from noncontrolling interests in subsidiaries | 303 | 10,987 | 8,699
Distributions paid to noncontrolling interest in subsidiaries | (566) | (418) | (316)
Net income (loss) | (4,090) | (1,454) | (857)
Balance | $ 26,466 | $ 30,819 | $ 21,704

X
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss), attributable to temporary equity. + References No definition available. + Details
Name: | cube_OtherComprehensiveIncomeLossNetOfTaxAttributableToTemporaryEquity
Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss), including portion attributable to temporary equity. + References No definition available. + Details
Name: | cube_OtherComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToTemporaryEquity
Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the amount of amortization of restricted operating units during the period. + References No definition available. + Details
Name: | cube_PartnersCapitalAccountAmortizationOfRestrictedUnits
Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents aggregate number of operating units related to options exercised during the year. + References No definition available. + Details
Name: | cube_PartnersCapitalAccountOptionUnitExercise
Namespace Prefix: | cube_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total change in each class of partners' capital accounts during the year due to repurchases and adjustments to repurchase value. All partners include general, limited and preferred partners. + References No definition available. + Details
Name: | cube_PartnersCapitalAccountRepurchases
Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents aggregate number of operating units related to operating unit issued units during the period. + References No definition available. + Details
Name: | cube_PartnersCapitalAccountRestrictedUnitsUnitIssued
Namespace Prefix: | cube_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents aggregate value of operating units related to restricted operating units issued during the period. + References No definition available. + Details
Name: | cube_PartnersCapitalAccountRestrictedUnitsValueIssued
Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in partners' capital account for payments upon net settlement of equity compensation. Partner includes, but is not limited to, general, limited and preferred partners. + References No definition available. + Details
Name: | cube_PartnersCapitalAccountSettlementOfEquityCompensation
Namespace Prefix: | cube_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of units repurchased during the year of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. + References No definition available. + Details
Name: | cube_PartnersCapitalAccountUnitsRepurchased
Namespace Prefix: | cube_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of distributions to the general partner during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_GeneralPartnersCapitalAccountDistributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_IncreaseDecreaseInPartnersCapitalRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Subparagraph (16)(c) -Paragraph 3A -Section S99 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3A -Subparagraph (15) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3A -Subparagraph (14) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_MinorityInterestChangeInRedemptionValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 3A -Subparagraph (3) -SubTopic 10 -Topic 480 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-1A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-1A + Details
Name: | us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481231/810-10-45-23 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (c)(2) -SubTopic 10 -Topic 810 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-1A + Details
Name: | us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total distributions to each class of partners (i.e., general, limited and preferred partners). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountDistributions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total change in each class of partners' capital accounts during the year due to exchanges and conversions. Partners include general, limited and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountExchangesAndConversions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total change in each class of partners' capital accounts during the year due to option exercise. All partners include general, limited and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountOptionExercise
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total change in each class of partners' capital accounts during the year due to redemptions and adjustments to redemption value. All partners include general, limited and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountRedemptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) in partners' capital account for unit-based payment arrangement issued by partnership. Partner includes, but is not limited to, general, limited and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountUnitBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 + Details
Name: | us-gaap_PartnersCapitalAccountUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Units contributed by each class of partners during the year. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountUnitsContributed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of units converted into shares of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountUnitsConverted
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of units redeemed during the year of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalAccountUnitsRedeemed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of partners' capital (deficit), including portions attributable to both the parent and noncontrolling interests. Excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Subparagraph (12)(c) -Section S99 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Subparagraph (16)(c) -Paragraph 3A -Section S99 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3A -Subparagraph (15) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 480 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3A -Subparagraph (14) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-3A + Details
Name: | us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The portion of net income or loss attributable to temporary equity interest. + References No definition available. + Details
Name: | us-gaap_TemporaryEquityNetIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | cube_TemporaryEquityAxis=cube_TemporaryEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=cube_CubesmartLPAndSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PartnerCapitalComponentsAxis=us-gaap_ParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PartnerCapitalComponentsAxis=us-gaap_GeneralPartnerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PartnerCapitalComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PartnerCapitalComponentsAxis=us-gaap_NoncontrollingInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |