| Jan | 
          +0.37%
 | 
          +0.58%
 | 
          -2.40%
 | 
          
            -3.39%
           | 
          
            -1.87%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | Feb | 
          +0.37%
 | 
          -0.57%
 | 
          +2.06%
 | 
          
            +2.04%
           | 
          
            +4.34%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | Mar | 
          +0.37%
 | 
          -0.48%
 | 
          -1.71%
 | 
          
            -1.86%
           | 
          
            -2.52%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | Apr | 
          +0.37%
 | 
          +1.35%
 | 
          -1.90%
 | 
          
            -3.72%
           | 
          
            -2.27%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | May | 
          +0.37%
 | 
          +1.05%
 | 
          +3.15%
 | 
          
            +6.05%
           | 
          
            -0.40%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | Jun | 
          +0.28%
 | 
          +0.56%
 | 
          +0.16%
 | 
          
            +3.37%
           | 
          
            +1.86%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | Jul | 
          +0.37%
 | 
          -0.84%
 | 
          +3.67%
 | 
          
            +5.59%
           | 
          
            +3.07%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | Aug | 
          +0.37%
 | 
          +1.23%
 | 
          -0.90%
 | 
          
            -1.01%
           | 
          
            +3.23%
           | 
                  
            +0.07%
           | 
                  
            +0.07%
           | 
                  
            +0.15%
           | 
                  
            +0.16%
           | 
                  
            +0.17%
           | 
        
                        
          | Sep | 
          +0.36%
 | 
          -1.03%
 | 
          +0.84%
 | 
          
            +0.83%
           | 
          
            +3.68%
           | 
                  
            +1.35%
           | 
                  
            +1.17%
           | 
                  
            +1.06%
           | 
                  
            +0.94%
           | 
                  
            +0.52%
           | 
        
                                
          | Oct | 
          +0.36%
 | 
          -0.75%
 | 
          -1.66%
 | 
          
            -2.33%
           | 
          
            -2.90%
           | 
                  
            -1.90%
           | 
                  
            -1.67%
           | 
                  
            -1.34%
           | 
                  
            -0.93%
           | 
                  
            -0.17%
           | 
        
                                
          | Nov | 
          +0.36%
 | 
          +0.38%
 | 
          +3.75%
 | 
          
            +4.72%
           | 
          
            +2.44%
           | 
                  
            +3.08%
           | 
                  
            +2.80%
           | 
                  
            +2.42%
           | 
                  
            +1.89%
           | 
                  
            +1.03%
           | 
        
        
          | Dec | 
          +0.45%
 | 
          +0.95%
 | 
          +0.07%
 | 
          
            +0.37%
           | 
          
            +4.64%
           | 
                  
            +1.32%
           | 
                  
            +1.22%
           | 
                  
            +1.11%
           | 
                  
            +0.93%
           | 
                  
            +0.59%
           | 
        
                                        
                | Total | 
                +4.49%
 | 
                +2.40%
 | 
                +4.96%
 | 
                +10.45%
                 | 
                +13.63%
                 |