Label	Element	Value
Institutional Class \| DFA Two-Year Global Fixed Income Portfolio - Institutional Class [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	25.00%
Institutional Class \| iShares 1-5 Year Investment Grade Corporate Bond ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	24.00%
Institutional Class \| iShares Core International Aggregate Bond ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	15.00%
Institutional Class \| DFA One-Year Fixed Income Portfolio - Institutional Class [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	14.50%
Institutional Class \| DFA Intermediate Government Fixed Income Portfolio - Institutional Class [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	6.00%
Institutional Class \| iShares 5-10 Year Investment Grade Corporate Bond ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	6.00%
Institutional Class \| Dimensional Inflation-Protected Securities ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	5.00%
Institutional Class \| DFA Short-Term Government Portfolio - Institutional Class [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.00%
Institutional Class \| Global [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	40.00%
Institutional Class \| US Corporate [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	30.00%
Institutional Class \| US Government [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.00%
Institutional Class \| Inflation Protection [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	5.00%
Institutional Class \| Short Term and other Net Assets [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	15.00%