Nomura Ultrashort FundNomura Ultrashort FundDjulyultrashortpro_2791Nomura Ultrashort FundDjulyultrashortsai_2813July - Ultrashort SAIClass Institutional - C000162386InstitutionalMarket risk_Market risk_Interest rate risk [Member]Interest rate risk [Member]Credit risk [Member]Credit risk [Member]Mortgage-Backed and Asset-Backed Securities Risk [Member]Mortgage-Backed and Asset-Backed Securities Risk [Member]Foreign and Emerging Markets Risk [Member]Foreign and Emerging Markets Risk [Member]Inflation riskInflation riskLoans and Other Direct Indebtedness Risk [Member]Loans and Other Direct Indebtedness Risk [Member]Derivatives Risk [Member]Derivatives Risk [Member]Leveraging Risk [Member]Leveraging Risk [Member]Government and Regulatory Risk [Member]Government and Regulatory Risk [Member]Liquidity risk_[Member]Liquidity risk_[Member]Industry and sector riskIndustry and sector riskActive management and selection risk [Member]Active management and selection risk [Member]Bloomberg US Aggregate Index (reflects no deduction for fees, expenses, or taxes)Bloomberg US Aggregate Index (reflects no deduction for fees, expenses, or taxes)ICE BofA US 6-Month Treasury Bill Index (reflects no deduction for fees, expenses, or taxes)ICE BofA US 6-Month Treasury Bill Index (reflects no deduction for fees, expenses, or taxes)