v3.25.4
Average Annual Total Returns
 12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Destra Flaherty & Crumrine Preferred and Income Fund Class A      
Prospectus [Line Items]      
Average Annual Return, Percent 3.02% 2.07% 4.33%
Destra Flaherty & Crumrine Preferred and Income Fund Class A | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 0.91% 0.28% 2.38%
Destra Flaherty & Crumrine Preferred and Income Fund Class A | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 1.75% 0.28% 2.38%
Destra Flaherty & Crumrine Preferred and Income Fund Class C      
Prospectus [Line Items]      
Average Annual Return, Percent 6.12% 2.24% 4.02%
Destra Flaherty & Crumrine Preferred and Income Fund Class C | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 4.26% 1.13% 2.91%
Destra Flaherty & Crumrine Preferred and Income Fund Class C | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 3.59% 1.48% 2.91%
Destra Flaherty & Crumrine Preferred and Income Fund Class I      
Prospectus [Line Items]      
Average Annual Return, Percent 8.18% 3.27% 5.07%
Destra Flaherty & Crumrine Preferred and Income Fund Class I | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 5.83% 1.86% 3.66%
Destra Flaherty & Crumrine Preferred and Income Fund Class I | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 4.79% 2.20% 3.67%
Destra Flaherty & Crumrine Preferred and Income Fund Class I | ICE BofA Merrill Lynch 8% Constrained Core West Preferred & Jr. Subordinated Securities Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 6.11% 2.53% 4.71%
[1] In some cases, the Return After Taxes on Distributions and Sale of Fund Shares may exceed the Return After Taxes on Distributions due to an assumed benefit from any losses on a sale of Fund Shares at the end of the measurement period.
[2] ICE BofAML 8% Constrained Core West Preferred & Jr Subordinated Securities Index tracks the performance of US dollar denominated high grade and high-yield preferred securities and deeply subordinated corporate debt issued in the US domestic market. Qualifying securities must be rated at least B3, based on an average of Moody’s, S&P and Fitch and have a country of risk of either the U.S. or a Western European country. Qualifying preferred securities must be issued as public securities or through a Rule 144A filing, must have a fixed or floating dividend schedule and must have a minimum amount outstanding of $100 million.