Asset Backed Securities Risk [Member] Asset Backed Securities Risk [Member] Borrower Credit Risk [Member] Borrower Credit Risk [Member] Borrowing Risk [Member] Borrowing Risk [Member] Changing Fixed Income Market Conditions Risk [Member] Changing Fixed Income Market Conditions Risk [Member] Information about class A did not tender your shares for repurchase. Class A Did Not Tender Your Shares For Repurchase [Member] Class A Share [Member] Represents information of Class A shares. Class C Did Not Tender Your Shares For Repurchase [Member] Class C Did Not Tender Your Shares For Repurchase [Member] Class C Shares [Member] Class C Shares [Member] Class Ib Did Not Tender Your Shares For Repurchase [Member] Class IB Did Not Tender Your Shares For Repurchase [Member] Class I B Did Not Tender Your Shares For Repurchase [Member] Class IB Shares [Member] Class Ib Shares [Member] Class I B Shares [Member] Class Ic Did Not Tender Your Shares For Repurchase [Member] Class I C Did Not Tender Your Shares For Repurchase [Member] Class IC Did Not Tender Your Shares For Repurchase [Member] Class I C Shares [Member] Class Ic Shares [Member] Class IC Shares [Member] Class Y Did Not Tender Your Shares For Repurchase [Member] Class Y Did Not Tender Your Shares For Repurchase [Member] Class Y Shares [Member] Class Y Shares [Member] Collateralized Loan Obligations Risk [Member] Collateralized Loan Obligations Risk [Member] Conflicts Of Interest Created By Valuation Process For Certain Portfolio Holdings [Member] Conflicts of Interest Created by Valuation Process for Certain Portfolio Holdings [Member] Conflicts Of Interest Risk Related To Co Investing Risk [Member] Conflicts of Interest Risk Related to Co-Investing [Member]. Convertible Securities Risk [Member] Convertible Securities Risk [Member] Covenant Lite Loans Risk [Member] Covenant Lite Loans Risk [Member] Credit Linked Notes Risk [Member] Credit Linked Notes Risk [Member] Credit Quality Risk [Member] Credit Quality Risk [Member] Debt Securities Risk [Member] Debt Securities Risk [Member] Defaulted Securities Risk [Member] Defaulted Securities Risk [Member] Derivatives Risk [Member] Derivatives Risk. [Member]. Emerging Market Securities Risk [Member] Emerging Market Securities Risk [Member] Environmental Social And Governance Considerations Risk [Member] Environmental Social And Governance Considerations Risk [Member] Financial Leverage Risk [Member] Financial Leverage Risk [Member] Financial Services Sector Risk [Member] Financial Services Sector Risk [Member] Foreign Investment Risk [Member] Foreign Investment Risk [Member] High Yield Debt Securities Junk Bond Risk [Member] High Yield Debt Securities Junk Bond Risk [Member] Inflation Indexed Securities Risk [Member] Inflation Indexed Securities Risk [Member] Investing In Stocks Risk [Member] Investing In Stocks Risk [Member] Liquidity Risk [Member] Liquidity Risk [Member] Litigation Risk [Member] Litigation Risk [Member] Loan Origination Risks [Member] Loan Origination Risks Management Risk [Member] Management Risk [Member] Information about market risk. Market Risk [Member] No Trading Market For Shares [Member] No Trading Market For Shares Risk [Member] Preferred Securities Risk [Member] Preferred Securities Risk [Member] Price Arbitrage Risk [Member] Price Arbitrage Risk [Member] Repurchase Agreement Risk [Member] Repurchase Agreement Risk [Member] Repurchase Offer Risks [Member] Repurchase Offer Risks [Member] Reverse Repurchase Agreement Risk [Member] Reverse Repurchase Agreement Risk [Member] Rights And Warrants Risk [Member] Rights And Warrants Risk [Member] Rule 144A Securities And Other Exempt Securities Risk [Member] Rule 144A Securities And Other Exempt Securities Risk [Member] Senior Loans And Other Loans Risk [Member] Senior Loans And Other Loans Risk [Member] Subsidiary Risk [Member] Subsidiary Risk [Member]. U.S. Government Obligations Risk [Member] Us Government Obligations Risk [Member] United States Government Obligations Risk [Member] Unrated Securities Risk [Member] Unrated Securities Risk [Member] Valuation Risk [Member] Valuation Risk [Member] Variable Or Floating Rate Instruments [Member] Variable Or Floating Rate Instruments Risk [Member] Warrants Equity Securities And Junior Debt Securities Of Borrower Risk [Member] Warrants Equity Securities And Junior Debt Securities Of Borrower Risk [Member] When Issued Delayed Delivery And Forward Commitment Risks [Member] When Issued Delayed Delivery And Forward Commitment Risk [Member] Class of Stock [Domain] Debt Instrument Name [Domain]