Class of Stock [Domain] Class of Stock [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Series A Preferred Stock Series A Preferred Stock [Member] Class of Stock [Axis] Class of Stock [Axis] Security Exchange Name Security Exchange Name Entity Address, City or Town Entity Address, City or Town Soliciting Material Soliciting Material Cover [Abstract] City Area Code City Area Code Common Stock Common Stock [Member] Amendment Flag Amendment Flag Entity Tax Identification Number Entity Tax Identification Number Series D Preferred Stock Series D Preferred Stock [Member] Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Pre-commencement Tender Offer Pre-commencement Tender Offer Entity Emerging Growth Company Entity Emerging Growth Company Current Fiscal Year End Date Current Fiscal Year End Date Entity Central Index Key Entity Central Index Key Entity File Number Entity File Number Entity Address, State or Province Entity Address, State or Province Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Series B Preferred Stock Series B Preferred Stock [Member] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Postal Zip Code Entity Address, Postal Zip Code Written Communications Written Communications Local Phone Number Local Phone Number Series C Preferred Stock Series C Preferred Stock [Member] Title of 12(b) Security Title of 12(b) Security Document Period End Date Document Period End Date Cumulative Preferred Stock Cumulative Preferred Stock [Member] Document Type Document Type Series E Preferred Stock Series E Preferred Stock [Member]