v3.26.1
S000021575 [Member] Expense Example, No Redemption - S000021575 [Member]
Mar. 31, 2026
USD ($)
C000122689 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 66
Expense Example, No Redemption, 3 Years 245
Expense Example, No Redemption, 5 Years 438
Expense Example, No Redemption, 10 Years 998
C000254317 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 78
Expense Example, No Redemption, 3 Years 277
Expense Example, No Redemption, 5 Years 494
Expense Example, No Redemption, 10 Years 1,117
C000061818 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 672
Expense Example, No Redemption, 3 Years 910
Expense Example, No Redemption, 5 Years 1,167
Expense Example, No Redemption, 10 Years 1,900
C000061820 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 128
Expense Example, No Redemption, 3 Years 434
Expense Example, No Redemption, 5 Years 761
Expense Example, No Redemption, 10 Years 1,688
C000061821 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 78
Expense Example, No Redemption, 3 Years 277
Expense Example, No Redemption, 5 Years 494
Expense Example, No Redemption, 10 Years 1,117
C000122688 [Member]  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 72
Expense Example, No Redemption, 3 Years 261
Expense Example, No Redemption, 5 Years 466
Expense Example, No Redemption, 10 Years $ 1,057