International Equity Index Fund Annual Fund Operating Expenses - International Equity Index Fund |
Dec. 31, 2025 |
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|---|---|---|---|---|
| Prospectus [Line Items] | ||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | <span style="font-family:Times New Roman;font-size:8pt;">April 30, 2027</span> | |||
| Institutional | ||||
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 0.11% | |||
| Other Expenses (as a percentage of Assets): | 0.09% | |||
| Acquired Fund Fees and Expenses | 0.01% | |||
| Expenses (as a percentage of Assets) | 0.21% | |||
| Fee Waiver or Reimbursement | [1] | |||
| Net Expenses (as a percentage of Assets) | 0.21% | |||
| Investor | ||||
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 0.11% | |||
| Other Expenses (as a percentage of Assets): | 0.44% | |||
| Acquired Fund Fees and Expenses | 0.01% | |||
| Expenses (as a percentage of Assets) | 0.56% | |||
| Fee Waiver or Reimbursement | (0.05%) | [1] | ||
| Net Expenses (as a percentage of Assets) | 0.51% | |||
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