Label	Element	Value
Institutional Class \| DFA International Value Portfolio III - Institutional Class [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	30.00%
Institutional Class \| DFA International Small Cap Value Portfolio - Institutional Class [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	28.20%
Institutional Class \| DFA VA International Small Portfolio [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	17.10%
Institutional Class \| DFA VA International Value Portfolio [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	5.10%
Institutional Class \| iShares Core MSCI Emerging Markets ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	5.10%
Institutional Class \| DFA Emerging Markets Value Portfolio - Institutional Class [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.90%
Institutional Class \| DFA Emerging Markets Small Cap Portfolio - Institutional Class [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.90%
Institutional Class \| iShares Core MSCI EAFE ETF [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.90%
Institutional Class \| Developed Small [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	45.40%
Institutional Class \| Developed Large [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	39.10%
Institutional Class \| Emerging Large [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.00%
Institutional Class \| Emerging Small [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.90%
Institutional Class \| Short Term and other Net Assets [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	0.80%