v3.25.4
Annual Total Returns
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Virtus KAR Capital Growth Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] 7.06% 26.10% 34.81% (35.90%) 11.88% 48.94% 39.94% (7.57%) 35.53% (1.00%)
Virtus KAR Equity Income Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] 13.75% 9.50% 1.34% (2.45%) 17.31% 14.81% 28.46% (12.50%) 22.83% 12.20%
Virtus KAR Mid-Cap Core Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] 0.74% 5.20% 22.68% (19.75%) 25.26% 26.10% 30.93% (4.17%) 24.95% 11.29%
Virtus KAR Mid-Cap Growth Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] (3.23%) 7.67% 22.30% (33.31%) 1.47% 65.38% 42.76% 7.80% 33.80% 2.17%
Virtus KAR Small-Cap Core Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] (2.53%) 13.81% 32.38% (10.86%) 18.94% 21.35% 40.19% (1.92%) 34.98% 17.37%
Virtus KAR Small-Cap Growth Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] (22.74%) 9.72% 20.36% (30.22%) 4.34% 43.28% 40.26% 9.09% 36.99% 24.25%
Virtus KAR Small-Cap Value Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] (4.48%) 9.81% 19.15% (24.33%) 19.48% 28.16% 24.86% (15.92%) 18.89% 24.48%
Virtus KAR Small-Mid Cap Core Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] (4.36%) 9.08% 23.61% (23.83%) 19.52% 33.45% 38.81%      
Virtus KAR Small-Mid Cap Growth Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] (8.33%) 12.39% 18.92% (22.54%) 5.38%          
Virtus KAR Small-Mid Cap Value Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] (3.61%) 10.26% 16.95% (20.43%)            
Virtus SGA Global Growth Fund | Class I Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] 3.71% 10.43% 26.92% (25.90%) 8.02% 30.93% 32.44% (3.13%) 32.77% 4.07%
VIRTUS TACTICAL ALLOCATION FUND | Class A Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] 6.73% 14.33496% 22.38028% (28.43285%) 6.59% 33.01% 27.00% (7.15%) 19.84% 1.91%