v3.26.3
International Equities Index Fund Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI EAFE Index (net) (reflects no deduction for fees or expenses)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 31.22% 8.92% 8.18%
None      
Prospectus [Line Items]      
Average Annual Return, Percent 30.81% 8.47% 7.82%