Entity Listings [Table] Entity Listings [Table] Soliciting Material Soliciting Material Written Communications Written Communications Entity Listings [Line Items] Entity Listings [Line Items] Class of Stock [Domain] Class of Stock [Domain] Local Phone Number Local Phone Number Amendment Flag Amendment Flag Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Series G Depositary Share Equivalent Series G Depositary Share Equivalent [Member] Series G Depositary Share Equivalent Entity Emerging Growth Company Entity Emerging Growth Company Entity File Number Entity File Number Security Exchange Name Security Exchange Name Entity Address, Country Entity Address, Country Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two City Area Code City Area Code Document Period End Date Document Period End Date Pre-commencement Tender Offer Pre-commencement Tender Offer Class of Stock [Axis] Class of Stock [Axis] Entity Central Index Key Entity Central Index Key Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Tax Identification Number Entity Tax Identification Number Entity Registrant Name Entity Registrant Name Trading Symbol Trading Symbol Common shares Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title of 12(b) Security Title of 12(b) Security Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, City or Town Series F Depositary Share Equivalent Series F Depositary Share Equivalent [Member] Series F Depositary Share Equivalent Document Type Document Type