Catalyst Systematic Alpha Fund Actively Managed Fund Risk [Member] Commodity Risk [Member] Convertible Securities Risk [Member] Counterparty Risk [Member] Credit Risks [Member] Currency Risk [Member] Derivatives Risk [Member] Duration Risk [Member] Equity Security Risk [Member] Fixed Income Risk [Member] Forward Contract Risk [Member] Futures Risk [Member] Geographic Concentrations Risk [Member] Interest Rate Risks [Member] Junk Bond Risk [Member] Leverage Risk [Member] Liquidity Risk [Member] Management Risk [Member] Market Risk [Member] Model And Data Risk [Member] Real Estate And R E I T Risk [Member] Security Risk [Member] Structured Note Risk [Member] Swaps Risk [Member] Tax Risk [Member] Underlying Fund Risk [Member] Volatility Risk [Member] Wholly Owned Subsidiary Risk [Member] Catalyst Systematic High Income Fund Catalyst Systematic High Income Fund Class A Catalyst Systematic High Income Fund Class C Catalyst Systematic High Income Fund Class I Call Options Risk [Member] Cash And Cash Equivalents Risk [Member] Distribution Policy Risk [Member] Hedging Risk [Member] Index Risk [Member] Large Capitalization Company Risk [Member] Options Market Risk [Member] Options Risk [Member] Regulatory Risk [Member] U S Government Obligations Risk [Member] Catalyst Buffered Shield Fund Catalyst Buffered Shield Fund Class A Catalyst Buffered Shield Fund Class C Catalyst Buffered Shield Fund Class I Equity Options Strategy Risk [Member] Exchange Traded Funds E T Fs Risk [Member] Managed Volatility Risk [Member] Short Position Risk [Member] Turnover Risk [Member] Catalyst/Millburn Hedge Strategy Fund Agricultural Sector Risk [Member] Allocation Risk [Member] Emerging Market Risk [Member] Energy Sector Risk [Member] Foreign Exchanges Risk [Member] Foreign Investment Risk [Member] Forwards Risk [Member] Futures And Forward Contract Risk [Member] Metals Sector Risk [Member] Catalyst Nasdaq-100 Hedged Income Fund Catalyst Nasdaq-100 Hedged Income Fund Class A Catalyst Nasdaq-100 Hedged Income Fund Class C Catalyst Nasdaq-100 Hedged Income Fund Class I Exchange Traded Notes E T Ns Risk [Member] Sector Exposure Risk [Member] Catalyst/Aspect Enhanced Multi-Asset Fund Catalyst/Aspect Enhanced Multi-Asset Fund Class A Catalyst/Aspect Enhanced Multi-Asset Fund Class C Catalyst/Aspect Enhanced Multi-Asset Fund Class I Cash And Cash Equivalent Risk [Member] Medium Mid Capitalization Stock Risk [Member] Nondiversification Risk [Member] Catalyst Systematic Alpha Fund Class A Catalyst Systematic Alpha Fund Class C Catalyst Systematic Alpha Fund Class I Catalyst/Millburn Hedge Strategy Fund Class A Catalyst/Millburn Hedge Strategy Fund Class C Catalyst/Millburn Hedge Strategy Fund Class C-1 Catalyst/Millburn Hedge Strategy Fund Class I S&P 500® Index (reflects no deduction for fees, expenses or taxes) BNP Paribas Catalyst Systematic Alpha Index III (reflects no deduction for fees, expenses or taxes) BofA Merrill Lynch 3-Month U.S. Treasury Bill Index (reflects no deduction for fees, expenses or taxes) Credit Suisse Managed Futures Index (reflects no deduction for fees, expenses or taxes) MSCI ACWI Net (USD) Index (reflects no deduction for fees, expenses or taxes) NASDAQ – 100 Total Return Index (reflects no deduction for fees, expenses or taxes)