Soliciting Material Soliciting Material Written Communications Written Communications Local Phone Number Local Phone Number 9.250% Senior Notes due 2031 9.250% Senior Notes due 2031 [Member] 9.250% Senior Notes due 2031 Class of Stock [Domain] Class of Stock [Domain] Document Information [Line Items] Document Information [Line Items] Amendment Flag Amendment Flag 8.000% Series D 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 Entity Emerging Growth Company Entity Emerging Growth Company 9.125% Senior Notes due 2030 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 Common Stock, par value $0.01 per share [Member] Common Stock, par value $0.01 per share Security Exchange Name Security Exchange Name 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference 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 7.875% Series E Fixed-to-Floating Rate 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 Entity Address, State or Province Entity Address, State or Province Entity Address, Address Line One Entity Address, Address Line One 7.000% Series G Cumulative Redeemable Preferred Stock, par value $0.01 per share, $25.00 Liquidation Preference 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 City Area Code City Area Code Cover [Abstract] Cover [Abstract] Document Period End Date Document Period End Date Document Information [Table] Document Information [Table] 9.875% Senior Notes due 2030 9.875% Senior Notes due 2030 [Member] 9.875% Senior Notes due 2030 Pre-commencement Tender Offer Pre-commencement Tender Offer Current Fiscal Year End Date Current Fiscal Year End Date 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 9.125% Senior Notes due 2029 Nine Point One Two Five Percent Senior Notes Due Two Thousand Twenty Nine [Member] Nine Point One Two Five Percent Senior Notes Due Two Thousand Twenty Nine 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 Document Type Document Type