Credit Risk [Member] General [Member] Risks of investing in insurance linked securities [Member] Risks of investing in structured reinsurance investments [Member] ILS market and reinvestment risk [Member] Market risks [Member] High yield or junk bond risk [Member] Prepayment or call risk [Member] Risk of illiquid investments [Member] Risks of non U S investments [Member] Forward foreign currency transactions risk [Member] Leveraging risk [Member] Tax and regulated investment company qualification risk [Member] Valuation risk [Member] Concentration risk [Member] Non diversification risk [Member] Cybersecurity risk [Member] Expense risk [Member] Portfolio selection risk [Member] Repurchase offers risk [Member] Anti takeover provisions [Member] Risks of investing in loans [Member] Collateral risk [Member] Risk of disadvantaged access to confidential information [Member] Risks of subordinated securities [Member] U S Treasury obligations risk [Member] U S government agency obligations risk [Member] Credit default swap risk [Member] Risks of investing in inverse floating rate obligations [Member] Mortgage dollar roll transactions risk [Member] Risks of zero coupon bonds payment in kind deferred and contingent payment securities [Member] Risks of investment in other funds [Member] Common Shares [Member] Without A Repurchase [Member] Total Expenses Incurred On A One Thousand Investment [Member] Total Expenses Incurred On A One Million Investment [Member] With A Repurchase [Member] Derivatives risks [Member]