Institutional Class - C000206680 Institutional Class Service Class - C000206681 Service Class Institutional Class - C000108790 Institutional Class Service Class - C000167328 Service Class Broad Based Index:1C000206680-MSCI World Index (Net)_ MSCI World Index (Net) [Member] Industry Sector:2C000206680-Information Technology Information Technology [Member] Industry Sector:3C000206680-Consumer Staples Consumer Staples [Member] Industry Sector:4C000206680-Consumer Discretionary Consumer Discretionary [Member] Industry Sector:5C000206680-Communication Services Communication Services [Member] Industry Sector:6C000206680-Financials Financials [Member] Industry Sector:7C000206680-Health Care Health Care [Member] Industry Sector:8C000206680-Utilities Utilities [Member] Industry Sector:9C000206680-Real Estate Real Estate [Member] Industry Sector:10C000206680-Industrials Industrials [Member] Industry Sector:11C000206680-Cash & Other Cash & Other [Member] Largest Holding:12C000206680-Microsoft Corp. Microsoft Corp. [Member] Largest Holding:13C000206680-Taiwan Semiconductor Manufacturing Co. Ltd. Taiwan Semiconductor Manufacturing Co. Ltd. [Member] Largest Holding:14C000206680-Amazon.com, Inc. Amazon.com, Inc. [Member] Largest Holding:15C000206680-Alphabet, Inc. Alphabet, Inc. [Member] Largest Holding:16C000206680-Mastercard, Inc. Mastercard, Inc. [Member] Largest Holding:17C000206680-Meta Platforms, Inc. Meta Platforms, Inc. [Member] Largest Holding:18C000206680-SAP SE SAP SE [Member] Largest Holding:19C000206680-Nestle SA Nestle SA [Member] Largest Holding:20C000206680-adidas AG adidas AG [Member] Largest Holding:21C000206680-Eversource Energy Eversource Energy [Member] C000206680-United States United States C000206680-Germany Germany C000206680-Taiwan Taiwan C000206680-United Kingdom United Kingdom C000206680-Switzerland Switzerland C000206680-Spain Spain C000206680-Netherlands Netherlands Other Category:29C000206680-Cash & Other [Member] _ Cash & Other [Member] Broad Based Index:30C000206681-MSCI World Index (Net)_ MSCI World Index (Net) [Member] Industry Sector:31C000206681-Information Technology Information Technology [Member] Industry Sector:32C000206681-Consumer Staples Consumer Staples [Member] Industry Sector:33C000206681-Consumer Discretionary Consumer Discretionary [Member] Industry Sector:34C000206681-Communication Services Communication Services [Member] Industry Sector:35C000206681-Financials Financials [Member] Industry Sector:36C000206681-Health Care Health Care [Member] Industry Sector:37C000206681-Utilities Utilities [Member] Industry Sector:38C000206681-Real Estate Real Estate [Member] Industry Sector:39C000206681-Industrials Industrials [Member] Industry Sector:40C000206681-Cash & Other Cash & Other [Member] Largest Holding:41C000206681-Microsoft Corp. Microsoft Corp. [Member] Largest Holding:42C000206681-Taiwan Semiconductor Manufacturing Co. Ltd. Taiwan Semiconductor Manufacturing Co. Ltd. [Member] Largest Holding:43C000206681-Amazon.com, Inc. Amazon.com, Inc. [Member] Largest Holding:44C000206681-Alphabet, Inc. Alphabet, Inc. [Member] Largest Holding:45C000206681-Mastercard, Inc. Mastercard, Inc. [Member] Largest Holding:46C000206681-Meta Platforms, Inc. Meta Platforms, Inc. [Member] Largest Holding:47C000206681-SAP SE SAP SE [Member] Largest Holding:48C000206681-Nestle SA Nestle SA [Member] Largest Holding:49C000206681-adidas AG adidas AG [Member] Largest Holding:50C000206681-Eversource Energy Eversource Energy [Member] Other Category:58C000206681-Cash & Other [Member] _ Cash & Other [Member] Broad Based Index:59C000108790-MSCI World Index (Net)_ MSCI World Index (Net) [Member] Additional Index:60C000108790-S&P Global Infrastructure Index S&P Global Infrastructure Index [Member] Industry Sector:61C000108790-Integrated Power Integrated Power [Member] Industry Sector:62C000108790-Transmission & Distribution Transmission & Distribution [Member] Industry Sector:63C000108790-Toll Roads Toll Roads [Member] Industry Sector:64C000108790-Airports Airports [Member] Industry Sector:65C000108790-Energy Infrastructure Energy Infrastructure [Member] Industry Sector:66C000108790-Gas Utilities Gas Utilities [Member] Industry Sector:67C000108790-Communications Communications [Member] Industry Sector:68C000108790-Water Utilities Water Utilities [Member] Industry Sector:69C000108790-Social Social [Member] Industry Sector:70C000108790-Cash & Other Cash & Other [Member] Largest Holding:71C000108790-Aena SME SA Aena SME SA [Member] Largest Holding:72C000108790-National Grid PLC National Grid PLC [Member] Largest Holding:73C000108790-Ferrovial NV Ferrovial NV [Member] Largest Holding:74C000108790-Vinci SA Vinci SA [Member] Largest Holding:75C000108790-Enbridge, Inc. Enbridge, Inc. [Member] Largest Holding:76C000108790-TC Energy Corp. TC Energy Corp. [Member] Largest Holding:77C000108790-Fortis, Inc. Fortis, Inc. [Member] Largest Holding:78C000108790-Transurban Group Transurban Group [Member] Largest Holding:79C000108790-Snam SpA Snam SpA [Member] Largest Holding:80C000108790-Hydro One Ltd. Hydro One Ltd. [Member] C000108790-Canada Canada C000108790-Italy Italy C000108790-France France C000108790-Australia Australia C000108790-Mexico Mexico Other Category:90C000108790-Cash & Other [Member] _ Cash & Other [Member] Broad Based Index:91C000167328-MSCI World Index (Net)_ MSCI World Index (Net) [Member] Additional Index:92C000167328-S&P Global Infrastructure Index S&P Global Infrastructure Index [Member] Industry Sector:93C000167328-Integrated Power Integrated Power [Member] Industry Sector:94C000167328-Transmission & Distribution Transmission & Distribution [Member] Industry Sector:95C000167328-Toll Roads Toll Roads [Member] Industry Sector:96C000167328-Airports Airports [Member] Industry Sector:97C000167328-Energy Infrastructure Energy Infrastructure [Member] Industry Sector:98C000167328-Gas Utilities Gas Utilities [Member] Industry Sector:99C000167328-Communications Communications [Member] Industry Sector:100C000167328-Water Utilities Water Utilities [Member] Industry Sector:101C000167328-Social Social [Member] Industry Sector:102C000167328-Cash & Other Cash & Other [Member] Largest Holding:103C000167328-Aena SME SA Aena SME SA [Member] Largest Holding:104C000167328-National Grid PLC National Grid PLC [Member] Largest Holding:105C000167328-Ferrovial NV Ferrovial NV [Member] Largest Holding:106C000167328-Vinci SA Vinci SA [Member] Largest Holding:107C000167328-Enbridge, Inc. Enbridge, Inc. [Member] Largest Holding:108C000167328-TC Energy Corp. TC Energy Corp. [Member] Largest Holding:109C000167328-Fortis, Inc. Fortis, Inc. [Member] Largest Holding:110C000167328-Transurban Group Transurban Group [Member] Largest Holding:111C000167328-Snam SpA Snam SpA [Member] Largest Holding:112C000167328-Hydro One Ltd. Hydro One Ltd. [Member] Other Category:122C000167328-Cash & Other [Member] _ Cash & Other [Member] Net Assets Investment Company Portfolio Turnover Portfolio Turnover Commodity Index Linked Notes [Member] Commodity Index Linked Notes Sovereign Debt Securities [Member] Sovereign Debt Securities Convertible Debt Securities [Member] Convertible Debt Securities Corporate Debt Securities [Member] Corporate Debt Securities Corporate Note Securities [Member] Corporate Note Securities Corporate Bond Securities [Member] Corporate Bond Securities Fixed Income Investments [Member] Fixed Income Investments Securities Investment [Member] Securities Investment Other Aggregated Investments [Member] Other Aggregated Investments Real Estate Sector [Member] Real Estate Sector Standard Poors 500 Index [Member] Standard Poors 500 Index Nasdaq Composite Index [Member] Nasdaq Composite Index Equity Securities Industry [Member] Equity Securities Industry Equity Securities [Member] Equity Securities Dow Jones Industrial Average [Member] Dow Jones Industrial Average Construction Sector [Member] Construction Sector Automotive Sector [Member] Automotive Sector Transportation Sector [Member] Transportation Sector Aerospace Sector [Member] Aerospace Sector Consumer Sector [Member] Consumer Sector Chemicals Sector [Member] Chemicals Sector Insurance Sector [Member] Insurance Sector Cash [Member] Cash Asset Backed Securities [Member] Asset Backed Securities Container And PackagingSector [Member] Container And PackagingSector Investment Type [Axis] Asset Class US Treasury Securities [Member] US Treasury Securities Mortgage Backed Securities [Member] Mortgage Backed Securities Investment Type Categorization [Member] Investment Type Categorization Entertainment Sector [Member] Entertainment Sector Food And Beverage Sector [Member] Food And Beverage Sector Financial Services Sector [Member] Financial Services Sector Healthcare Sector [Member] Healthcare Sector Energy Sector [Member] Energy Sector Technology Sector [Member] Technology Sector Government Sector [Member] Government Sector No Trading Symbol