v3.25.2
Shareholder Report, Average Annual Return (Details)
 12 Months Ended 60 Months Ended 110 Months Ended 120 Months Ended
Nov. 30, 2024
Nov. 30, 2024
Nov. 30, 2024
Nov. 30, 2024
Without Sales Load [Member] | C000131515        
Average Annual Return [Line Items]        
Average Annual Return, Percent 14.68% 6.91%   2.80%
Without Sales Load [Member] | C000079787        
Average Annual Return [Line Items]        
Average Annual Return, Percent 14.48% 6.69%   2.58%
Without Sales Load [Member] | C000131514        
Average Annual Return [Line Items]        
Average Annual Return, Percent 23.76% 16.81%   14.80%
Without Sales Load [Member] | C000065109        
Average Annual Return [Line Items]        
Average Annual Return, Percent 23.46% 16.53%   14.53%
Without Sales Load [Member] | C000131513        
Average Annual Return [Line Items]        
Average Annual Return, Percent 21.12% 12.05%   10.16%
Without Sales Load [Member] | C000012979        
Average Annual Return [Line Items]        
Average Annual Return, Percent 20.82% 11.81%   9.90%
Without Sales Load [Member] | C000160667        
Average Annual Return [Line Items]        
Average Annual Return, Percent 6.48% 1.62% 2.16%  
Without Sales Load [Member] | C000160666        
Average Annual Return [Line Items]        
Average Annual Return, Percent 6.34% 1.37% 1.92%  
MSCI Emerging Markets Index        
Average Annual Return [Line Items]        
Average Annual Return, Percent 11.86% 3.20%   3.16%
MSCI Emerging Markets Index        
Average Annual Return [Line Items]        
Average Annual Return, Percent 11.86% 3.20%   3.16%
S&P 500 Index        
Average Annual Return [Line Items]        
Average Annual Return, Percent 33.89% 15.75%   13.33%
S&P 500 Index        
Average Annual Return [Line Items]        
Average Annual Return, Percent 33.89% 15.75%   13.33%
S&P 500 Index        
Average Annual Return [Line Items]        
Average Annual Return, Percent 33.89% 15.75%   13.33%
S&P 500 Index        
Average Annual Return [Line Items]        
Average Annual Return, Percent 33.89% 15.75%   13.33%
FTSE IdealRatings Sukuk Index        
Average Annual Return [Line Items]        
Average Annual Return, Percent 6.86% 2.16% 3.20%  
FTSE IdealRatings Sukuk Index        
Average Annual Return [Line Items]        
Average Annual Return, Percent 6.86% 2.16% 3.20%