C000006467C000155939C000006470C000006469Investment Type [Axis]AssetAgency Adjustable Rate MortgagesAssetCommercial Mortgage-Backed SecuritiesAssetU.S. Agency SecuritiesAssetMortgages - OtherAssetAgency Fixed Rate MortgagesAssetCollateralized Mortgage Obligations - Agency Collateral SeriesCash and EquivalentsNot RatedLIFCANo Trading Symbol [Flag]AssetsNetInvestmentCompanyPortfolioTurnover