v3.25.2
Shareholder Report
6 Months Ended
Jun. 30, 2025
USD ($)
$ / shares
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Wilshire Variable Insurance Trust
Entity Central Index Key 0001026708
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2025
Wilshire Global Allocation Fund  
Shareholder Report [Line Items]  
Fund Name Wilshire Global Allocation Fund
Class Name Wilshire Global Allocation Fund
No Trading Symbol true
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Wilshire Global Allocation Fund (the “Fund”) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You can find additional information about the Fund at https://www.wilshire.com/research-insights/product-literature. You can also request this information by contacting us at 1-866-591-1658.
Additional Information Phone Number 1-866-591-1658
Additional Information Website https://www.wilshire.com/research-insights/product-literature
Expenses [Text Block]
WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS? (based on a hypothetical $10,000 investment)
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment*
Wilshire Global Allocation Fund
$23
0.45%
[1]
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45%
Net Assets $ 496,866,046
Holdings Count | $ / shares 10
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Net Assets
$496,866,046
Number of Holdings
10
Portfolio Turnover
11%
Holdings [Text Block]
Top Sectors
(% of Net Assets)
Cash & Other
100.0%
Top 10 Issuers
(% of Net Assets)
Wilshire International Equity Fund
22.0%
Wilshire Large Company Growth Portfolio
19.4%
Wilshire Income Opportunities Fund
18.1%
Wilshire Large Company Value Portfolio
17.4%
Vanguard Total International Bond Index Fund
13.3%
Vanguard Mega Cap Index Fund
3.0%
Vanguard Long-Term Bond Index Fund
1.9%
Fidelity Emerging Markets Index Fund
1.6%
Wilshire Small Company Value Portfolio
1.5%
Wilshire Small Company Growth Portfolio
1.4%
Updated Prospectus Web Address https://www.wilshire.com/research-insights/product-literature
[1]
* Annualized.