Class of Stock [Axis] Document Type Document Period End Date Entity Registrant Name Entity Incorporation, State or Country Code Entity File Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Entity Emerging Growth Company Title of 12(b) Security Trading Symbol Security Exchange Name Entity Central Index Key Amendment Flag Common Stock [Member] 8.20% Series A Cumulative Redeemable Preferred Stock, $0.01 par value [Member] 8.250% Series B Fixed-to-Floating Rate Cumulative Redeemable [Member] Class of Stock [Domain] City Area Code Document Type Entity Emerging Growth Company Entity File Number Entity Address, City or Town Entity Address, Postal Zip Code Amendment Flag Document Period End Date eight20 Series ACumulative Redeemable Preferred Stock001parvalue Member Title of 12(b) Security Entity Central Index Key eight250 Series BFixedto Floating Rate Cumulative Redeemable Member Written Communications Entity Address, State or Province Soliciting Material Pre-commencement Issuer Tender Offer Pre-commencement Tender Offer Trading Symbol Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Security Exchange Name Entity Address, Address Line One Entity Address, Address Line Two Local Phone Number Common Stock [Member]