Load [Member] Expense Example, No Redemption - Intermediate Government Bond Series - Intermediate Government Bond Series |
Jun. 30, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 115 |
| Expense Example, No Redemption, 3 Years | 359 |
| Expense Example, No Redemption, 5 Years | 622 |
| Expense Example, No Redemption, 10 Years | $ 1,375 |