Entity Tax Identification Number Entity Tax Identification Number 9.125% Senior Notes due 2030 [Member] 9.125% Senior Notes due 2030 [Member] 9.125% Senior Notes due 2030 Entity File Number Entity File Number Common Stock, par value $0.01 per share [Member] Common Stock, par value $0.01 per share [Member] Common Stock, par value $0.01 per share Cover [Abstract] Title of 12(b) Security Title of 12(b) Security Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] 7.000% Series G Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference [Member] 7.000% Series G Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference [Member] 7.000% Series G Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference 7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference [Member] 7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference [Member] 7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference Soliciting Material Soliciting Material Entity Address, Address Line One Entity Address, Address Line One Entity Address, Postal Zip Code Entity Address, Postal Zip Code Registrant Name Entity Registrant Name Entity Address, State or Province Entity Address, State or Province 9.250% Senior Notes due 2031 [Member] 9.250% Senior Notes due 2031 [Member] 9.250% Senior Notes due 2031 Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Written Communications Written Communications Trading Symbol Trading Symbol City Area Code City Area Code Document Information [Table] Document Information [Table] Document Period End Date Document Period End Date 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference [Member] 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference [Member] 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference 8.000% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference [Member] 8.000% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference [Member] 8.000% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference Amendment Flag Amendment Flag Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Address, City or Town Entity Address, City or Town 9.600% Senior Notes due 2031 [Member] 9.600% Senior Notes due 2031 [Member] 9.600% Senior Notes due 2031 9.875% Senior Notes due 2030 [Member] 9.875% Senior Notes due 2030 [Member] 9.875% Senior Notes due 2030 Security Exchange Name Security Exchange Name 2029 Senior Notes [Member] 2029 Senior Notes [Member] 2029 Senior Notes Document Information [Line Items] Document Information [Line Items] Document Type Document Type Class of Stock [Axis] Class of Stock [Axis] Pre-commencement Tender Offer Pre-commencement Tender Offer Central Index Key Entity Central Index Key Entity Emerging Growth Company Entity Emerging Growth Company