v3.26.3
Expense Example
Oct. 28, 2026
USD ($)
Catalyst Insider Buying Fund | Catalyst Insider Buying Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 722
Expense Example, with Redemption, 3 Years 1,175
Expense Example, with Redemption, 5 Years 1,653
Expense Example, with Redemption, 10 Years 2,968
Catalyst Insider Buying Fund | Catalyst Insider Buying Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 231
Expense Example, with Redemption, 3 Years 862
Expense Example, with Redemption, 5 Years 1,518
Expense Example, with Redemption, 10 Years 3,276
Catalyst Insider Buying Fund | Catalyst Insider Buying Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 130
Expense Example, with Redemption, 3 Years 560
Expense Example, with Redemption, 5 Years 1,015
Expense Example, with Redemption, 10 Years 2,279
Catalyst Energy Infrastructure Fund | Catalyst Energy Infrastructure Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 736
Expense Example, with Redemption, 3 Years 1,084
Expense Example, with Redemption, 5 Years 1,455
Expense Example, with Redemption, 10 Years 2,495
Catalyst Energy Infrastructure Fund | Catalyst Energy Infrastructure Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 246
Expense Example, with Redemption, 3 Years 768
Expense Example, with Redemption, 5 Years 1,316
Expense Example, with Redemption, 10 Years 2,812
Catalyst Energy Infrastructure Fund | Catalyst Energy Infrastructure Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 146
Expense Example, with Redemption, 3 Years 463
Expense Example, with Redemption, 5 Years 803
Expense Example, with Redemption, 10 Years 1,764
Catalyst/MAP Global Equity Fund | Catalyst/MAP Global Equity Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 692
Expense Example, with Redemption, 3 Years 1,012
Expense Example, with Redemption, 5 Years 1,354
Expense Example, with Redemption, 10 Years 2,317
Catalyst/MAP Global Equity Fund | Catalyst/MAP Global Equity Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 200
Expense Example, with Redemption, 3 Years 693
Expense Example, with Redemption, 5 Years 1,213
Expense Example, with Redemption, 10 Years 2,638
Catalyst/MAP Global Equity Fund | Catalyst/MAP Global Equity Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 99
Expense Example, with Redemption, 3 Years 386
Expense Example, with Redemption, 5 Years 694
Expense Example, with Redemption, 10 Years 1,570
Catalyst Tactical Allocation Fund | Catalyst Tactical Allocation Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 722
Expense Example, with Redemption, 3 Years 1,220
Expense Example, with Redemption, 5 Years 1,743
Expense Example, with Redemption, 10 Years 3,170
Catalyst Tactical Allocation Fund | Catalyst Tactical Allocation Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 231
Expense Example, with Redemption, 3 Years 906
Expense Example, with Redemption, 5 Years 1,606
Expense Example, with Redemption, 10 Years 3,466
Catalyst Tactical Allocation Fund | Catalyst Tactical Allocation Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 130
Expense Example, with Redemption, 3 Years 608
Expense Example, with Redemption, 5 Years 1,112
Expense Example, with Redemption, 10 Years 2,500
Catalyst Dynamic Alpha Fund | Catalyst Dynamic Alpha Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 707
Expense Example, with Redemption, 3 Years 1,011
Expense Example, with Redemption, 5 Years 1,336
Expense Example, with Redemption, 10 Years 2,253
Catalyst Dynamic Alpha Fund | Catalyst Dynamic Alpha Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 216
Expense Example, with Redemption, 3 Years 692
Expense Example, with Redemption, 5 Years 1,194
Expense Example, with Redemption, 10 Years 2,576
Catalyst Dynamic Alpha Fund | Catalyst Dynamic Alpha Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 115
Expense Example, with Redemption, 3 Years 385
Expense Example, with Redemption, 5 Years 675
Expense Example, with Redemption, 10 Years 1,501
Catalyst Systematic Alpha Fund | Catalyst Systematic Alpha Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 784
Expense Example, with Redemption, 3 Years 1,227
Expense Example, with Redemption, 5 Years 1,694
Expense Example, with Redemption, 10 Years 2,980
Catalyst Systematic Alpha Fund | Catalyst Systematic Alpha Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 297
Expense Example, with Redemption, 3 Years 916
Expense Example, with Redemption, 5 Years 1,560
Expense Example, with Redemption, 10 Years 3,287
Catalyst Systematic Alpha Fund | Catalyst Systematic Alpha Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 197
Expense Example, with Redemption, 3 Years 615
Expense Example, with Redemption, 5 Years 1,060
Expense Example, with Redemption, 10 Years 2,293
Catalyst Systematic High Income Fund | Catalyst Systematic High Income Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 791
Expense Example, with Redemption, 3 Years 1,295
Expense Example, with Redemption, 5 Years 1,824
Expense Example, with Redemption, 10 Years 3,265
Catalyst Systematic High Income Fund | Catalyst Systematic High Income Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 304
Expense Example, with Redemption, 3 Years 987
Expense Example, with Redemption, 5 Years 1,693
Expense Example, with Redemption, 10 Years 3,567
Catalyst Systematic High Income Fund | Catalyst Systematic High Income Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 204
Expense Example, with Redemption, 3 Years 682
Expense Example, with Redemption, 5 Years 1,187
Expense Example, with Redemption, 10 Years 2,576
Catalyst Buffered Shield Fund | Catalyst Buffered Shield Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 725
Expense Example, with Redemption, 3 Years 1,213
Expense Example, with Redemption, 5 Years 1,726
Expense Example, with Redemption, 10 Years 3,129
Catalyst Buffered Shield Fund | Catalyst Buffered Shield Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 234
Expense Example, with Redemption, 3 Years 901
Expense Example, with Redemption, 5 Years 1,593
Expense Example, with Redemption, 10 Years 3,434
Catalyst Buffered Shield Fund | Catalyst Buffered Shield Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 133
Expense Example, with Redemption, 3 Years 600
Expense Example, with Redemption, 5 Years 1,094
Expense Example, with Redemption, 10 Years 2,455
Catalyst/Millburn Hedge Strategy Fund | Catalyst/Millburn Hedge Strategy Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 791
Expense Example, with Redemption, 3 Years 1,241
Expense Example, with Redemption, 5 Years 1,715
Expense Example, with Redemption, 10 Years 3,021
Catalyst/Millburn Hedge Strategy Fund | Catalyst/Millburn Hedge Strategy Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 304
Expense Example, with Redemption, 3 Years 930
Expense Example, with Redemption, 5 Years 1,582
Expense Example, with Redemption, 10 Years 3,327
Catalyst/Millburn Hedge Strategy Fund | Catalyst/Millburn Hedge Strategy Fund Class C-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 404
Expense Example, with Redemption, 3 Years 930
Expense Example, with Redemption, 5 Years 1,582
Expense Example, with Redemption, 10 Years 3,327
Catalyst/Millburn Hedge Strategy Fund | Catalyst/Millburn Hedge Strategy Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 204
Expense Example, with Redemption, 3 Years 630
Expense Example, with Redemption, 5 Years 1,083
Expense Example, with Redemption, 10 Years 2,338
Catalyst Nasdaq-100 Hedged Income Fund | Catalyst Nasdaq-100 Hedged Income Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 757
Expense Example, with Redemption, 3 Years 1,303
Expense Example, with Redemption, 5 Years 1,875
Expense Example, with Redemption, 10 Years 3,420
Catalyst Nasdaq-100 Hedged Income Fund | Catalyst Nasdaq-100 Hedged Income Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 268
Expense Example, with Redemption, 3 Years 997
Expense Example, with Redemption, 5 Years 1,748
Expense Example, with Redemption, 10 Years 3,726
Catalyst Nasdaq-100 Hedged Income Fund | Catalyst Nasdaq-100 Hedged Income Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 168
Expense Example, with Redemption, 3 Years 695
Expense Example, with Redemption, 5 Years 1,250
Expense Example, with Redemption, 10 Years 2,763
Catalyst/Aspect Enhanced Multi-Asset Fund | Catalyst/Aspect Enhanced Multi-Asset Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 794
Expense Example, with Redemption, 3 Years 1,307
Expense Example, with Redemption, 5 Years 1,846
Expense Example, with Redemption, 10 Years 3,310
Catalyst/Aspect Enhanced Multi-Asset Fund | Catalyst/Aspect Enhanced Multi-Asset Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 307
Expense Example, with Redemption, 3 Years 991
Expense Example, with Redemption, 5 Years 1,699
Expense Example, with Redemption, 10 Years 3,577
Catalyst/Aspect Enhanced Multi-Asset Fund | Catalyst/Aspect Enhanced Multi-Asset Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 207
Expense Example, with Redemption, 3 Years 702
Expense Example, with Redemption, 5 Years 1,223
Expense Example, with Redemption, 10 Years 2,653
Catalyst Insider Income Fund | Catalyst Insider Income Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 573
Expense Example, with Redemption, 3 Years 856
Expense Example, with Redemption, 5 Years 1,161
Expense Example, with Redemption, 10 Years 2,023
Catalyst Insider Income Fund | Catalyst Insider Income Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 179
Expense Example, with Redemption, 3 Years 631
Expense Example, with Redemption, 5 Years 1,110
Expense Example, with Redemption, 10 Years 2,433
Catalyst Insider Income Fund | Catalyst Insider Income Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 78
Expense Example, with Redemption, 3 Years 322
Expense Example, with Redemption, 5 Years 586
Expense Example, with Redemption, 10 Years 1,342
Catalyst/SMH High Income Fund | Catalyst/SMH High Income Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 619
Expense Example, with Redemption, 3 Years 940
Expense Example, with Redemption, 5 Years 1,282
Expense Example, with Redemption, 10 Years 2,247
Catalyst/SMH High Income Fund | Catalyst/SMH High Income Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 227
Expense Example, with Redemption, 3 Years 717
Expense Example, with Redemption, 5 Years 1,233
Expense Example, with Redemption, 10 Years 2,650
Catalyst/SMH High Income Fund | Catalyst/SMH High Income Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 126
Expense Example, with Redemption, 3 Years 410
Expense Example, with Redemption, 5 Years 716
Expense Example, with Redemption, 10 Years 1,583
Catalyst/SMH Total Return Income Fund | Catalyst/SMH Total Return Income Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 894
Expense Example, with Redemption, 3 Years 1,653
Expense Example, with Redemption, 5 Years 2,429
Expense Example, with Redemption, 10 Years 4,443
Catalyst/SMH Total Return Income Fund | Catalyst/SMH Total Return Income Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 413
Expense Example, with Redemption, 3 Years 1,358
Expense Example, with Redemption, 5 Years 2,310
Expense Example, with Redemption, 10 Years 4,717
Catalyst/SMH Total Return Income Fund | Catalyst/SMH Total Return Income Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 314
Expense Example, with Redemption, 3 Years 1,072
Expense Example, with Redemption, 5 Years 1,850
Expense Example, with Redemption, 10 Years 3,888
Catalyst/MAP Global Balanced Fund | Catalyst/MAP Global Balanced Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 693
Expense Example, with Redemption, 3 Years 1,181
Expense Example, with Redemption, 5 Years 1,694
Expense Example, with Redemption, 10 Years 3,096
Catalyst/MAP Global Balanced Fund | Catalyst/MAP Global Balanced Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 201
Expense Example, with Redemption, 3 Years 868
Expense Example, with Redemption, 5 Years 1,560
Expense Example, with Redemption, 10 Years 3,402
Catalyst/MAP Global Balanced Fund | Catalyst/MAP Global Balanced Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 100
Expense Example, with Redemption, 3 Years 566
Expense Example, with Redemption, 5 Years 1,059
Expense Example, with Redemption, 10 Years 2,419
Catalyst/CIFC Senior Secured Income Fund | Catalyst/CIFC Senior Secured Income Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 591
Expense Example, with Redemption, 3 Years 898
Expense Example, with Redemption, 5 Years 1,227
Expense Example, with Redemption, 10 Years 2,155
Catalyst/CIFC Senior Secured Income Fund | Catalyst/CIFC Senior Secured Income Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 197
Expense Example, with Redemption, 3 Years 674
Expense Example, with Redemption, 5 Years 1,177
Expense Example, with Redemption, 10 Years 2,561
Catalyst/CIFC Senior Secured Income Fund | Catalyst/CIFC Senior Secured Income Fund Class C-1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 297
Expense Example, with Redemption, 3 Years 674
Expense Example, with Redemption, 5 Years 1,177
Expense Example, with Redemption, 10 Years 2,561
Catalyst/CIFC Senior Secured Income Fund | Catalyst/CIFC Senior Secured Income Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 96
Expense Example, with Redemption, 3 Years 366
Expense Example, with Redemption, 5 Years 657
Expense Example, with Redemption, 10 Years 1,484
Catalyst Enhanced Income Strategy Fund | Catalyst Enhanced Income Strategy Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 646
Expense Example, with Redemption, 3 Years 1,119
Expense Example, with Redemption, 5 Years 1,617
Expense Example, with Redemption, 10 Years 2,982
Catalyst Enhanced Income Strategy Fund | Catalyst Enhanced Income Strategy Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 255
Expense Example, with Redemption, 3 Years 901
Expense Example, with Redemption, 5 Years 1,571
Expense Example, with Redemption, 10 Years 3,362
Catalyst Enhanced Income Strategy Fund | Catalyst Enhanced Income Strategy Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 155
Expense Example, with Redemption, 3 Years 600
Expense Example, with Redemption, 5 Years 1,071
Expense Example, with Redemption, 10 Years 2,376
Eventide Gilead Fund | Eventide Gilead Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 710
Expense Example, with Redemption, 3 Years 996
Expense Example, with Redemption, 5 Years 1,302
Expense Example, with Redemption, 10 Years 2,169
Eventide Gilead Fund | Eventide Gilead Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 319
Expense Example, with Redemption, 3 Years 676
Expense Example, with Redemption, 5 Years 1,159
Expense Example, with Redemption, 10 Years 2,493
Eventide Gilead Fund | Eventide Gilead Fund Class N  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 138
Expense Example, with Redemption, 3 Years 431
Expense Example, with Redemption, 5 Years 745
Expense Example, with Redemption, 10 Years 1,635
Eventide Gilead Fund | Eventide Gilead Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 118
Expense Example, with Redemption, 3 Years 368
Expense Example, with Redemption, 5 Years 638
Expense Example, with Redemption, 10 Years 1,409
Eventide Healthcare & Life Sciences Fund | Eventide Healthcare & Life Sciences Fund Class A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 723
Expense Example, with Redemption, 3 Years 1,033
Expense Example, with Redemption, 5 Years 1,366
Expense Example, with Redemption, 10 Years 2,304
Eventide Healthcare & Life Sciences Fund | Eventide Healthcare & Life Sciences Fund Class C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 332
Expense Example, with Redemption, 3 Years 715
Expense Example, with Redemption, 5 Years 1,225
Expense Example, with Redemption, 10 Years 2,626
Eventide Healthcare & Life Sciences Fund | Eventide Healthcare & Life Sciences Fund Class N Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 152
Expense Example, with Redemption, 3 Years 471
Expense Example, with Redemption, 5 Years 813
Expense Example, with Redemption, 10 Years 1,779
Eventide Healthcare & Life Sciences Fund | Eventide Healthcare & Life Sciences Fund Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 131
Expense Example, with Redemption, 3 Years 409
Expense Example, with Redemption, 5 Years 708
Expense Example, with Redemption, 10 Years 1,556
Eventide Balanced Fund | Eventide Balanced Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 678
Expense Example, with Redemption, 3 Years 896
Expense Example, with Redemption, 5 Years 1,131
Expense Example, with Redemption, 10 Years 1,806
Eventide Balanced Fund | Eventide Balanced Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 285
Expense Example, with Redemption, 3 Years 573
Expense Example, with Redemption, 5 Years 985
Expense Example, with Redemption, 10 Years 2,137
Eventide Balanced Fund | Eventide Balanced Fund Class N  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 104
Expense Example, with Redemption, 3 Years 325
Expense Example, with Redemption, 5 Years 563
Expense Example, with Redemption, 10 Years 1,248
Eventide Balanced Fund | Eventide Balanced Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 84
Expense Example, with Redemption, 3 Years 262
Expense Example, with Redemption, 5 Years 455
Expense Example, with Redemption, 10 Years 1,014
Eventide Dividend Growth Fund | Eventide Dividend Growth Fund Class A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 689
Expense Example, with Redemption, 3 Years 933
Expense Example, with Redemption, 5 Years 1,196
Expense Example, with Redemption, 10 Years 1,945
Eventide Dividend Growth Fund | Eventide Dividend Growth Fund Class C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 297
Expense Example, with Redemption, 3 Years 611
Expense Example, with Redemption, 5 Years 1,051
Expense Example, with Redemption, 10 Years 2,274
Eventide Dividend Growth Fund | Eventide Dividend Growth Fund Class N Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 116
Expense Example, with Redemption, 3 Years 364
Expense Example, with Redemption, 5 Years 632
Expense Example, with Redemption, 10 Years 1,397
Eventide Dividend Growth Fund | Eventide Dividend Growth Fund Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 96
Expense Example, with Redemption, 3 Years 302
Expense Example, with Redemption, 5 Years 525
Expense Example, with Redemption, 10 Years 1,165
Eventide Limited-Term Bond Fund | Eventide Limited-Term Bond Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 642
Expense Example, with Redemption, 3 Years 814
Expense Example, with Redemption, 5 Years 1,001
Expense Example, with Redemption, 10 Years 1,540
Eventide Limited-Term Bond Fund | Eventide Limited-Term Bond Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 248
Expense Example, with Redemption, 3 Years 488
Expense Example, with Redemption, 5 Years 852
Expense Example, with Redemption, 10 Years 1,877
Eventide Limited-Term Bond Fund | Eventide Limited-Term Bond Fund Class N  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 66
Expense Example, with Redemption, 3 Years 238
Expense Example, with Redemption, 5 Years 425
Expense Example, with Redemption, 10 Years 965
Eventide Limited-Term Bond Fund | Eventide Limited-Term Bond Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 46
Expense Example, with Redemption, 3 Years 175
Expense Example, with Redemption, 5 Years 315
Expense Example, with Redemption, 10 Years 725
Eventide Exponential Technologies Fund | Eventide Exponential Technologies Fund Class A Share  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 728
Expense Example, with Redemption, 3 Years 1,063
Expense Example, with Redemption, 5 Years 1,420
Expense Example, with Redemption, 10 Years 2,423
Eventide Exponential Technologies Fund | Eventide Exponential Technologies Fund Class C Share  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 338
Expense Example, with Redemption, 3 Years 746
Expense Example, with Redemption, 5 Years 1,280
Expense Example, with Redemption, 10 Years 2,742
Eventide Exponential Technologies Fund | Eventide Exponential Technologies Fund Class N Share  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 158
Expense Example, with Redemption, 3 Years 502
Expense Example, with Redemption, 5 Years 870
Expense Example, with Redemption, 10 Years 1,906
Eventide Exponential Technologies Fund | Eventide Exponential Technologies Fund Class I Share  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 137
Expense Example, with Redemption, 3 Years 440
Expense Example, with Redemption, 5 Years 765
Expense Example, with Redemption, 10 Years 1,686
Eventide Core Bond Fund | Eventide Core Bond Fund Class A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 645
Expense Example, with Redemption, 3 Years 827
Expense Example, with Redemption, 5 Years 1,025
Expense Example, with Redemption, 10 Years 1,594
Eventide Core Bond Fund | Eventide Core Bond Fund Class C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 251
Expense Example, with Redemption, 3 Years 502
Expense Example, with Redemption, 5 Years 877
Expense Example, with Redemption, 10 Years 1,930
Eventide Core Bond Fund | Eventide Core Bond Fund Class N Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 69
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 450
Expense Example, with Redemption, 10 Years 1,022
Eventide Core Bond Fund | Eventide Core Bond Fund Class I Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 49
Expense Example, with Redemption, 3 Years 189
Expense Example, with Redemption, 5 Years 341
Expense Example, with Redemption, 10 Years 783
Eventide Large Cap Focus Fund | Eventide Large Cap Focus Fund Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 671
Expense Example, with Redemption, 3 Years 950
Expense Example, with Redemption, 5 Years 1,249
Expense Example, with Redemption, 10 Years 2,096
Eventide Large Cap Focus Fund | Eventide Large Cap Focus Fund Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 278
Expense Example, with Redemption, 3 Years 628
Expense Example, with Redemption, 5 Years 1,105
Expense Example, with Redemption, 10 Years 2,423
Eventide Large Cap Focus Fund | Eventide Large Cap Focus Fund Class N  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 97
Expense Example, with Redemption, 3 Years 382
Expense Example, with Redemption, 5 Years 688
Expense Example, with Redemption, 10 Years 1,558
Eventide Large Cap Focus Fund | Eventide Large Cap Focus Fund Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 77
Expense Example, with Redemption, 3 Years 319
Expense Example, with Redemption, 5 Years 581
Expense Example, with Redemption, 10 Years $ 1,330