Risk/Return: Prospectus: Document Type Document Period End Date Registrant Name Central Index Key Amendment Flag Document Creation Date Document Effective Date Trading Symbol Prospectus Date Risk/Return Summary [Abstract] index_Lipper_MixedAsset_Target_2030_Funds_Average_ Lipper Mixed-Asset Target 2030 Funds Average index_Lipper_SmallCap_Growth_Funds_Average_ Lipper Small-Cap Growth Funds Average index_Lipper_Convertible_Securities_Funds_Average_ Lipper Convertible Securities Funds Average index_SP_Global_Water_Index S&P Global Water Index index__Dow_Jones_Real_Return_2040_Index_ Dow Jones Real Return 2040 Index index_Lipper_International_SmallMid_Cap_Growth_Funds_Average_ Lipper International Small/Mid Cap Growth Funds Average index_SP_Developed_ExUS_Small_Cap_Growth_Index S&P Developed Ex-US Small Cap Growth Index* index_Lipper_MixedAsset_Target_2050_Funds_Average_ Lipper Mixed-Asset Target 2050+ Funds Average index_Dow_Jones_Real_Return_2030_Index_ Dow Jones Real Return 2030 Index index_BofA_Merrill_Lynch_All_Convertibles_Index BofA Merrill Lynch All Convertibles Index index_Lipper_MixedAsset_Target_2020_Funds_Average_ Lipper Mixed-Asset Target 2020 Funds Average index_Lipper_MixedAsset_Target_2015_Funds_Average_ Lipper Mixed-Asset Target 2015 Funds Average index_Russell_Microcap_Growth_Index Russell Microcap Growth Index index_Lipper_Equity_Market_Neutral_Funds_Average_ Lipper Equity Market Neutral Funds Average index_Lipper_Global_Flexible_Portfolio_Funds_Average_ Lipper Global Flexible Portfolio Funds Average index_Lipper_MixedAsset_Target_Allocation_Conservative_Funds_Average_ Lipper Mixed-Asset Target Allocation Conservative Funds Average index_Lipper_MixedAsset_Target_2040_Funds_Average_ Lipper Mixed-Asset Target 2040 Funds Average index_Lipper_MixedAsset_Target_Allocation_Moderate_Funds_Average_ Lipper Mixed-Asset Target Allocation Moderate Funds Average index_Barclays_Capital_Aggregate_Bond_Index Barclays Capital Aggregate Bond Index index_Lipper_SmallCap_Core_Funds_Average_ Lipper Small-Cap Core Funds Average index_Dow_Jones_Real_Return_40_Index_ Dow Jones Real Return 40+ Index index_Lipper_China_Region_Funds_Average_ Lipper China Region Funds Average index_Russell_2000_Growth_Index Russell 2000 Growth Index index_MSCI_China_Index MSCI China Index index_Dow_Jones_Real_Return_2015_Index_ Dow Jones Real Return 2015 Index index_Lipper_Global_LargeCap_Value_Funds_Average_ Lipper Global Large-Cap Value Funds Average index_60_MSCI_ACWL_40_BCAG_ 60% MSCI ACWL 40% BCAG index_Russell_2500_Growth_Index Russell 2500 Growth Index index_BofA_Merrill_Lynch_3Month_US_Treasury_Bill_ BofA Merrill Lynch 3-Month US Treasury Bill index_Dow_Jones_Real_Return_2020_Index_ Dow Jones Real Return 2020 Index index_Lipper_Global_Natural_Resources_Funds_Average_ Lipper Global Natural Resources Funds Average index_MSCI_World_exUSA_Small_Cap_Index_net MSCI World ex-USA Small Cap Index (net) index_MSCI_AC_World_Index MSCI AC World Index index_BofA_Merrill_Lynch_High_Yield_Master_II_Index BofA Merrill Lynch High Yield Master II Index index_MSCI_EAFE_Small_Cap_Index_net MSCI EAFE Small Cap Index (net) index_Dow_Jones_Real_Return_Today_Index_ Dow Jones Real Return Today Index index_SP_500_Index S&P 500 Index index_Lipper_LargeCap_Core_Funds_Average_ Lipper Large-Cap Core Funds Average index_Dow_Jones_Real_Return_2050_Index_ Dow Jones Real Return 2050 Index* index_Lipper_High_Current_Yield_Funds_Average_ Lipper High Current Yield Funds Average AllianzGI Behavioral Advantage Large Cap Fund AllianzGI Behavioral Advantage Large Cap Fund AllianzGI Behavioral Advantage Large Cap Fund 15 Institutional Class (AllianzGI Behavioral Advantage Large Cap Fund) Institutional Class Class P (AllianzGI Behavioral Advantage Large Cap Fund) Class P Class D (AllianzGI Behavioral Advantage Large Cap Fund) Class D Management Fees Distribution and/or Service (12b-1) Fees Estimated Other Expenses Total Annual Fund Operating Expenses Expense Reductions Total Annual Fund Operating Expenses After Expense Reductions Expense Example, with Redemption, 1 Year 1 Year Expense Example, No Redemption, 1 Year 1 Year Expense Example, with Redemption, 3 Years 3 Years Expense Example, No Redemption, 3 Years 3 Years AllianzGI China Equity Fund AllianzGI China Equity Fund AllianzGI China Equity Fund 46 Institutional Class (AllianzGI China Equity Fund) Institutional Class Class P (AllianzGI China Equity Fund) Class P Class D (AllianzGI China Equity Fund) Class D Expense Example, with Redemption, 5 Years 5 Years Expense Example, No Redemption, 5 Years 5 Years Expense Example, with Redemption, 10 Years 10 Years Expense Example, No Redemption, 10 Years 10 Years Annual Return 1990 Annual Return 1991 Annual Return 1992 Annual Return 1993 Annual Return 1994 Annual Return 1995 Annual Return 1996 Annual Return 1997 Annual Return 1998 Annual Return 1999 Annual Return 2000 Annual Return 2001 Annual Return 2002 Annual Return 2003 Annual Return 2004 Annual Return 2005 Annual Return 2006 Annual Return 2007 Annual Return 2008 Annual Return 2009 Annual Return 2010 Annual Return 2011 Annual Return 2012 Annual Return 2013 Annual Return 2014 Annual Return 2015 Annual Return 2016 Annual Return 2017 Annual Return 2018 Annual Return 2019 Annual Return 2020 1 Year 1 Year 5 Years 5 Years 10 Years 10 Years Since Inception Since Inception Inception Date Inception Date After Taxes on Distributions After Taxes on Distributions After Taxes on Distributions and Sales After Taxes on Distributions and Sale of Fund Shares AllianzGI Convertible Fund AllianzGI Convertible Fund AllianzGI Convertible Fund 78 Class P (AllianzGI Convertible Fund) Class P Class D (AllianzGI Convertible Fund) Class D Administrative Class (AllianzGI Convertible Fund) Administrative Class Institutional Class (AllianzGI Convertible Fund) Institutional Class AllianzGI Disciplined Equity Fund AllianzGI Disciplined Equity Fund AllianzGI Disciplined Equity Fund 114 Institutional Class (AllianzGI Disciplined Equity Fund) Institutional Class Class P (AllianzGI Disciplined Equity Fund) Class P Class D (AllianzGI Disciplined Equity Fund) Class D Other Expenses AllianzGI Dynamic Emerging Multi-Asset Fund AllianzGI Dynamic Emerging Multi-Asset Fund AllianzGI Dynamic Emerging Multi-Asset Fund 147 Institutional Class (AllianzGI Dynamic Emerging Multi-Asset Fund) Institutional Class Class P (AllianzGI Dynamic Emerging Multi-Asset Fund) Class P Class D (AllianzGI Dynamic Emerging Multi-Asset Fund) Class D Acquired Fund Fees and Expenses AllianzGI Focused Opportunity Fund AllianzGI Focused Opportunity Fund AllianzGI Focused Opportunity Fund 176 Institutional Class (AllianzGI Focused Opportunity Fund) Institutional Class AllianzGI Global Allocation Fund AllianzGI Global Allocation Fund AllianzGI Global Allocation Fund 209 Institutional Class (AllianzGI Global Allocation Fund) Institutional Class Administrative Class (AllianzGI Global Allocation Fund) Administrative Class Class P (AllianzGI Global Allocation Fund) Class P Class D (AllianzGI Global Allocation Fund) Class D AllianzGI Global Growth Allocation Fund AllianzGI Global Growth Allocation Fund AllianzGI Global Growth Allocation Fund 245 Class D (AllianzGI Global Growth Allocation Fund) Class D Class P (AllianzGI Global Growth Allocation Fund) Class P Institutional Class (AllianzGI Global Growth Allocation Fund) Institutional Class Administrative Class (AllianzGI Global Growth Allocation Fund) Administrative Class AllianzGI Global Managed Volatility Fund AllianzGI Global Managed Volatility Fund AllianzGI Global Managed Volatility Fund 281 Class P (AllianzGI Global Managed Volatility Fund) Class P Class D (AllianzGI Global Managed Volatility Fund) Class D Institutional Class (AllianzGI Global Managed Volatility Fund) Institutional Class