v3.26.1
S000028760 [Member] Expense Example, No Redemption - S000028760 [Member] - C000088095 [Member]
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 48
Expense Example, No Redemption, 3 Years 155
Expense Example, No Redemption, 5 Years 272
Expense Example, No Redemption, 10 Years $ 614