995200090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink Document and Entity Information [Abstract] Statement [Table] Represent information pertaining to CUBESMART L.P. CUBESMART L.P. Statement [Line Items] Entity File Number Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Entity Emerging Growth Company