v3.26.3
Shareholder Report, Average Annual Return (Details) 195387_Matson Money Fixed Income VI Portfolio_Class L_TSR Annual {Institutional Class}
 12 Months Ended 60 Months Ended 120 Months Ended
Aug. 31, 2026
Aug. 31, 2026
Aug. 31, 2026
Institutional Class      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Matson Money Fixed Income VI Portfolio    
Average Annual Return, Percent 2.03% 1.19% 1.35%
Bloomberg U.S. Aggregate Bond Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Bloomberg U.S. Aggregate Bond Index    
Average Annual Return, Percent [1] 1.89% (0.29%) 1.40%
Composite Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Composite Index    
Average Annual Return, Percent [2] 2.48% 1.61% 1.85%
FTSE World Government Bond Index 1-5 Yr Curr-Hedged USD [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name FTSE World Government Bond Index 1-5 Yr Curr-Hedged USD    
Average Annual Return, Percent 2.52% 2.05% 2.02%
[1]
1 Effective with this report, and pursuant to new regulatory requirements, the Bloomberg U.S. Aggregate Bond Index replaced the FTSE World Government Bond Index 1-5 Years as the Fund’s primary benchmark to represent a broad-based securities market index.
[2]
2 The Composite Index is comprised of the Three-Month Treasury Bill Index, Bloomberg Barclays Intermediate Government/Credit Bond Index, ICE BofA Merrill Lynch 1-3 Year US Government/Corporate Index and Bloomberg Barclays U.S. Capital Aggregate Bond Index, each weighted 25%, respectively.