Common Stock [Member] Effective interest rate [Member] Mandatorily Redeemable Preferred Stock [Member] Term Preferred Shares [Member] 6.25% Series 2027 Term Preferred Shares [Member] 6.00% Series 2029 Term Preferred Shares [Member] 7.125% Series 2029 Term Preferred Shares [Member] Eight Two Five Percentage Series Two Zero Three One Term Preferred Shares [Member] 6.75% UNSECURED NOTES DUE 2031 [Member] 6.75% Unsecured Notes due 2031 [Member] 5.00% Unsecured Notes due 2027 [Member] Eight Point Seventy Five Percent Unsecured Notes due 2030 [Member] Seven Point Ninety Five Percent Unsecured Notes due 2032 [Member] 7.50% Series 2023 Term Preferred Shares [Member] 8.125% Series 2024 Term Preferred Shares [Member] 6.75% Series 2024 Term Preferred Shares [Member] 6.25% Series 2027 Term Preferred Shares [Member] 6.00% Series 2029 Term Preferred Shares [Member] Seven Point One Twenty Five Percentage Series Two Thousand Twenty Nine Term Preferred Shares [Member] Eight Point Twenty Five Percentage Series Two Thousand Thirty One Term Preferred Shares [Member] Repurchase Agreement [Member] Risks Relating to Our Business and Structure [Member] Risks Related to U.S. Federal Tax Regulation [Member] Risks Relating to Our Investments [Member] Risks Relating to an Investment in Our Securities [Member] Risks Relating to Our Business and Structure one [Member] Six Point Seventy Five Unsecured Notes Due2031 Member Sixtwofive Series2027 Term Preferred Shares Member Sixthundred Series2029 Term Preferred Shares Member Six Point Seventy Five Percentage Series Two Thousand Twenty Four Term Preferred Shares Member Eight Point Twenty Five Percentage Series Two Thousand Thirty One Term Preferred Shares Member Five Percentage Unsecured Notes Due2027 Member Seven Point Ninety Five Percent Unsecured Notes Due2032 Member Seven Point Fifty Percentage Series Two Thousand Twenty Three Term Preferred Shares Member Risks Relating To Our Investments Member Seven Point One Twenty Five Percentage Series Two Thousand Twenty Nine Term Preferred Shares Member Risks Related To USFederal Tax Regulation Member Repurchase Agreement Member Six Percentage Series Two Thousand Twenty Nine Term Preferred Shares Member Common Stock [Member] Mandatorily Redeemable Preferred Stock [Member] Eight Point One Twenty Five Percentage Series Two Thousand Twenty Four Term Preferred Shares Member Eight Two Five Percentage Series Two Zero Three One Term Preferred Shares Member Term Preferred Shares Member Six Point Twenty Five Percentage Series Two Thousand Twenty Seven Term Preferred Shares Member Risks Relating To An Investment In Our Securities Member Risks Relating To Our Business And Structure Member sixsevenfive UNSECUREDNOTESDUE2031 Member Effective Interest Rate Member Eight Point Seventy Five Percent Unsecured Notes Due2030 Member Risks Relating To Our Business And Structure One Member Sevenonetwofive Series2029 Term Preferred Shares Member