Class of Stock [Domain] Class of Stock [Domain] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 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] 5.75% Senior Notes Due 2026 5.75% Senior Notes Due 2026 [Member] Represents the information pertaining to the 5.75% Senior Notes die in 2026. Common Stock Common Stock [Member] City Area Code City Area Code 9.00% Senior Notes Due 2026 9.00% Senior Notes Due 2026 [Member] 9.00% Senior Notes Due 2026 Amendment Flag Amendment Flag Entity Tax Identification Number Entity Tax Identification Number Trading Symbol Trading Symbol Registrant Name Entity Registrant Name Pre-commencement Tender Offer Pre-commencement Tender Offer Entity Emerging Growth Company Entity Emerging Growth Company 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 Document Information [Line Items] Document Information [Line Items] Document Information [Table] Document Information [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 Entity Address, Address Line Two Entity Address, Address Line Two Local Phone Number Local Phone Number 6.20% Senior Notes due 2026 6.20% Senior Notes due 2026 [Member] Represents the information pertaining to 6.20% Senior Notes due 2026. 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 Document Type Document Type Series E Preferred Stock Series E Preferred Stock [Member]