v3.26.3
S000031373 [Member] Expense Example - S000031373 [Member]
May 31, 2026
USD ($)
C000097579 [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 61
Expense Example, with Redemption, 3 Years 235
Expense Example, with Redemption, 5 Years 425
Expense Example, with Redemption, 10 Years 971
C000149223 [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 49
Expense Example, with Redemption, 3 Years 197
Expense Example, with Redemption, 5 Years 359
Expense Example, with Redemption, 10 Years 828
C000255610 [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 235
Expense Example, with Redemption, 5 Years 425
Expense Example, with Redemption, 10 Years 971
C000097571 [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 657
Expense Example, with Redemption, 3 Years 871
Expense Example, with Redemption, 5 Years 1,103
Expense Example, with Redemption, 10 Years 1,767
C000097573 [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 263
Expense Example, with Redemption, 3 Years 547
Expense Example, with Redemption, 5 Years 956
Expense Example, with Redemption, 10 Years 1,902
C000097575 [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 112
Expense Example, with Redemption, 3 Years 392
Expense Example, with Redemption, 5 Years 694
Expense Example, with Redemption, 10 Years 1,550
C000097577 [Member]  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 54
Expense Example, with Redemption, 3 Years 213
Expense Example, with Redemption, 5 Years 386
Expense Example, with Redemption, 10 Years $ 888