v3.26.3
S000031370 [Member] Expense Example, No Redemption - S000031370 [Member]
May 31, 2026
USD ($)
C000097554 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 91
Expense Example, No Redemption, 3 Years 284
Expense Example, No Redemption, 5 Years 493
Expense Example, No Redemption, 10 Years 1,096
C000175682 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 82
Expense Example, No Redemption, 3 Years 255
Expense Example, No Redemption, 5 Years 444
Expense Example, No Redemption, 10 Years 990
C000255609 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 91
Expense Example, No Redemption, 3 Years 284
Expense Example, No Redemption, 5 Years 493
Expense Example, No Redemption, 10 Years 1,096
C000097546 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 685
Expense Example, No Redemption, 3 Years 916
Expense Example, No Redemption, 5 Years 1,167
Expense Example, No Redemption, 10 Years 1,881
C000097548 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 192
Expense Example, No Redemption, 3 Years 594
Expense Example, No Redemption, 5 Years 1,021
Expense Example, No Redemption, 10 Years 2,016
C000097550 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 142
Expense Example, No Redemption, 3 Years 440
Expense Example, No Redemption, 5 Years 761
Expense Example, No Redemption, 10 Years 1,669
C000097553 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 87
Expense Example, No Redemption, 3 Years 271
Expense Example, No Redemption, 5 Years 471
Expense Example, No Redemption, 10 Years $ 1,049