Optional Redemption Provision May Materially Adversely Affect Return On The Notes Risk [Member] Optional Redemption Provision May Materially Adversely Affect Return On The Notes Risk Unsecured Notes Subordinated To Existing And Future Secured Indebtedness Risk [Member] Unsecured Notes Subordinated To Existing And Future Secured Indebtedness Risk Current Indebtedness Adversely Affects Business Financial Condition Results Of Operations And Debt Payment Ability Risk [Member] Current Indebtedness Adversely Affects Business Financial Condition Results Of Operations And Debt Payment Ability Risk Indenture Offers Limited Protection For Holders Of The Notes Risk [Member] Indenture Offers Limited Protection For Holders Of The Notes Risk Default On Other Indebtedness May Prevent Payments On The Notes Risk [Member] Default On Other Indebtedness May Prevent Payments On The Notes Risk Active Trading Market For The Notes May Not Be Maintained Risk [Member] Active Trading Market For The Notes May Not Be Maintained Risk Credit Rating Changes Or Debt Market Deterioration Reduce Notes Liquidity Or Market Value Risk [Member] Credit Rating Changes Or Debt Market Deterioration Reduce Notes Liquidity Or Market Value Risk May Not Be Able To Repurchase The Notes Upon A Change Of Control Repurchase Event Risk [Member] May Not Be Able To Repurchase The Notes Upon A Change Of Control Repurchase Event Risk Notes Structurally Subordinated To Indebtedness And Other Liabilities Of Subsidiaries Risk [Member] Notes Structurally Subordinated To Indebtedness And Other Liabilities Of Subsidiaries Risk