v3.26.1
Average Annual Total Returns
 12 Months Ended 15 Months Ended 55 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Eventide High Dividend ETF | Bloomberg US 3000 Equal Weight Total Return Index (reflects no deduction for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   13.09% 12.85%  
Eventide High Dividend ETF | Bloomberg US 1000 Value Total Return Index (reflects no deduction for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent   16.53% 11.15%  
Eventide High Dividend ETF | Eventide High Dividend ETF        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text]   Return Before Taxes    
Average Annual Return, Percent   10.22% 7.22%  
Performance Inception Date   Sep. 30, 2024    
Eventide High Dividend ETF | Eventide High Dividend ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   9.51% 6.59%  
Eventide High Dividend ETF | Eventide High Dividend ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   6.39% 5.40%  
Eventide US Market ETF | Bloomberg US 3000 Total Return Index (reflects no deduction for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 13.12% 17.21%    
Eventide US Market ETF | Eventide US Market ETF        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text]   Return Before Taxes    
Average Annual Return, Percent 8.47% 12.19%    
Performance Inception Date   Dec. 17, 2024    
Eventide US Market ETF | Eventide US Market ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent 8.23% 11.95%    
Eventide US Market ETF | Eventide US Market ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent 6.44% 7.38%    
Strategy Shares Gold Enhanced Yield ETF | Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.30%   0.21%
Strategy Shares Gold Enhanced Yield ETF | Bloomberg U.S. Corporate TR Index (reflects no deduction for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.77%   0.70%
Strategy Shares Gold Enhanced Yield ETF | Strategy Shares Gold Enhanced Yield ETF        
Prospectus [Line Items]        
Average Annual Return, Label [Optional Text]   Return Before Taxes    
Average Annual Return, Percent   57.44%   11.88%
Performance Inception Date   May 17, 2021    
Strategy Shares Gold Enhanced Yield ETF | Strategy Shares Gold Enhanced Yield ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   52.25%   10.11%
Strategy Shares Gold Enhanced Yield ETF | Strategy Shares Gold Enhanced Yield ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   33.54%   8.43%
[1] The Fund has changed its primary benchmark from the Bloomberg U.S. Corporate TR Index to the Bloomberg U.S. Aggregate Bond Index to comply with new regulatory requirements.