Hospital [Member] Dedicated Tax [Member] Airport [Member] Industrial Development Bond [Member] Government Obligation Bond Limited Tax [Member] Education [Member] Continuing Care Retirement Communities [Member] Special Assessment [Member] Blended Benchmark [Member] C000162358 [Member] Class Composite Energy Sector [Member] C000172840 [Member] CLP Holdings Ltd [Member] CapitaLand Ascendas REIT [Member] Telstra Group Ltd [Member] CapitaLand Integrated Commercial Trust [Member] Hong Kong And China Gas Co Ltd [Member] Oversea Chinese Banking Corp Ltd [Member] United Overseas Bank Ltd [Member] Klepierre S A [Member] DBS Group Holdings Ltd [Member] SoftBank Corp [Member] MSCI EAFE Index [Member] Realty Income Corp [Member] Coca Cola The Co [Member] Motorola Solutions Inc [Member] Teledyne Technologies Inc [Member] Roper Technologies Inc [Member] Microsoft Corp [Member] Apple Inc [Member] VeriSign Inc [Member] Gen Digital Inc [Member] Cisco Systems Inc [Member] C000172841 [Member] Standard & Poor's 500 Index [Member] Real Estate Sector [Member] Healthcare Sector [Member] Financial Services Sector [Member] C000187865 [Member] Water And Sewer [Member] Bloomberg 10 Year California Exempt Index [Member] Bloomberg Municipal Bond Index [Member] SP 1 MIGI short term [Member] SP 1 Plus short term [Member] NR [Member] Insured [Member] Local Housing [Member] Government Obligation Bond Unlimited Tax [Member] Bloomberg Municipal Short Term Index [Member] C000205579 [Member] Standard & Poor's, BB Rating [Member] Standard & Poor's, BBB Rating [Member] Standard & Poor's, A Rating [Member] Standard & Poor's, AA Rating [Member] Standard & Poor's, AAA Rating [Member] Standard & Poor's, B Rating [Member] C000205581 [Member] Bloomberg Municipal Short 1 5 Year Index [Member] MIG3 short term [Member] Gas [Member] Housing [Member] ICE BofA 3 month U S Treasury Bill Index [Member] Net Other Assets and Liabilities [Member] C000216993 [Member] Money Market Funds [Member] Rights [Member] C000218390 [Member] Phillips Edison And Co Inc [Member] OGE Energy Corp [Member] Ingredion Inc [Member] NNN REIT Inc [Member] Ellington Financial Inc [Member] IDACORP Inc [Member] Agree Realty Corp [Member] Four Corners Property Trust Inc [Member] Starwood Property Trust Inc [Member] Hanover Insurance Group The Inc [Member] S and P 1000 Index [Member] Russell 3000 Index [Member] Certificates of Participation [Member] Higher Education [Member] Bloomberg Municipal New York 12 17 Years Index [Member] C000223991 [Member] Investment Type [Axis] Net Assets Investment Company Portfolio Turnover No Trading Symbol Flag