v3.26.3
Annual Total Returns
 12 Months Ended
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
Catalyst/SMH High Income Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 15.72% 9.02% 16.43% (13.48%) 8.03% 9.99% 8.36% (1.46%) 9.58% 38.99%
Catalyst/SMH Total Return Income Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 6.02% 10.62% 14.47% (12.51%) 24.45% 5.10% 19.42% (7.19%) 12.64% 32.15%
Catalyst/MAP Global Balanced Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 16.16% 4.68% 5.23% (7.44%) 9.68% 3.61% 11.50% (3.24%) 11.12% 4.79%
Eventide Healthcare & Life Sciences Fund Class A Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] 56.34% (10.36%) 10.76% (19.83%) (16.77%) 36.69% 58.30% (0.44%) 45.51% (16.25%)
Eventide Balanced Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 6.68% 9.49% 11.94% (15.53%) 16.23% 18.25% 19.61% (8.48%) 11.73% 9.03%
Eventide Dividend Growth Fund Class A Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] 5.38% 16.28% 19.46% (21.91%) 31.77% 25.06% 26.68% (10.66%)    
Eventide Limited-Term Bond Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 6.09% 3.61% 5.49% (5.84%) (1.41%) 3.60% 5.71% (0.59%) 3.30% 1.10%
Eventide Exponential Technologies Fund Class A Share                    
Prospectus [Line Items]                    
Annual Return [Percent] 8.66% 2.23% 31.61% (45.08%) 15.44%          
Eventide Core Bond Fund Class A Shares                    
Prospectus [Line Items]                    
Annual Return [Percent] 7.34% 1.26% 4.90% (13.61%) (2.64%)          
Eventide Large Cap Focus Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 11.37% 15.79% 27.38%              
Catalyst Insider Buying Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 15.39% 23.86% 31.44% (32.65%) (17.65%) 14.36% 23.91% (2.91%) 17.03% 3.90%
Catalyst Energy Infrastructure Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] (8.04%) 44.86% 15.04% 26.64% 41.67% (29.40%) 11.80% (18.73%) (14.02%) 64.81%
Catalyst Insider Income Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 5.23% 7.63% 8.95% (8.09%) 1.89% 6.34% 5.46% 2.63% 1.88% 6.15%
Catalyst/CIFC Senior Secured Income Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 5.86% 9.14% 13.12% (2.59%) 3.82% 2.99% 9.76% 0.46% 6.85% 9.60%
Catalyst Enhanced Income Strategy Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] (8.42%) 0.62% (2.33%) (7.05%) 4.30% 5.91% 16.73%      
Eventide Gilead Fund Class N                    
Prospectus [Line Items]                    
Annual Return [Percent] 23.48% (0.22%) 22.52% (34.05%) 11.43% 55.11% 33.83% (2.55%) 32.85% 0.90%
Catalyst/MAP Global Equity Fund | Catalyst/MAP Global Equity Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 22.47% 7.68% 10.71% (11.04%) 16.55% 5.46% 17.28% (3.06%) 17.09% 10.33%
Catalyst Tactical Allocation Fund | Catalyst Tactical Allocation Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 15.26% 3.51% 10.16% (24.38%) 17.83% 27.83% 2.77% (4.96%) 16.70% 11.39%
Catalyst Dynamic Alpha Fund | Catalyst Dynamic Alpha Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 10.06% 22.07% 13.44% (14.87%) 19.81% 21.00% 11.14% (4.06%) 26.87% 7.85%
Catalyst Systematic Alpha Fund | Catalyst Systematic Alpha Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 2.62% (4.30%) 24.29% (4.70%) 25.71% 14.98% 28.94% (19.82%) 1.78% (2.55%)
Catalyst Systematic High Income Fund | Catalyst Systematic High Income Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 2.46% 2.63% 4.04% 6.06% 8.04% 3.49% (5.10%) (2.12%) (22.74%) 5.81%
Catalyst Buffered Shield Fund | Catalyst Buffered Shield Fund Class I                    
Prospectus [Line Items]                    
Annual Return [Percent] 10.88% 13.58% 14.02% (18.14%) 14.28% 7.17% 20.23% (5.46%) 14.09% 6.07%
Catalyst/Millburn Hedge Strategy Fund | Catalyst/Millburn Hedge Strategy Fund Class I                    
Prospectus [Line Items]                    
Annual Return [Percent] 4.35% 13.51% (0.67%) 7.72% 16.89% (0.49%) 13.84% (2.16%) 13.97% 17.99%
Catalyst Nasdaq-100 Hedged Income Fund | Catalyst Nasdaq-100 Hedged Income Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 12.37% 11.42% 35.92% (30.54%) 13.12% 5.25% 19.40% (3.65%) 8.20% 1.33%
Catalyst/Aspect Enhanced Multi-Asset Fund | Catalyst/Aspect Enhanced Multi-Asset Fund Class A                    
Prospectus [Line Items]                    
Annual Return [Percent] 7.36% 11.83%