Shareholder Report, Line Graph (Details) - USD ($) |
12 Months Ended | 24 Months Ended | 36 Months Ended | 48 Months Ended | 60 Months Ended | 72 Months Ended | 84 Months Ended | 96 Months Ended | 108 Months Ended | 120 Months Ended | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Apr. 30, 2015 |
Apr. 30, 2025 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2018 |
Apr. 30, 2019 |
Apr. 30, 2020 |
Apr. 30, 2021 |
Apr. 30, 2022 |
Apr. 30, 2023 |
Apr. 30, 2024 |
Apr. 30, 2025 |
|
| C000099566 [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class A (with sales charge) | |||||||||||
| Accumulated Value | $ 9,450 | $ 9,125 | $ 10,141 | $ 11,099 | $ 11,869 | $ 10,729 | $ 15,935 | $ 17,272 | $ 17,584 | $ 20,183 | $ 22,684 | |
| C000099567 [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class C (with CDSC charge) | |||||||||||
| Accumulated Value | 10,000 | 9,583 | 10,574 | 11,487 | 12,182 | 10,927 | 16,112 | 17,331 | 17,516 | 19,952 | 22,260 | |
| C000099569 [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Institutional Class | |||||||||||
| Accumulated Value | 100,000 | 96,854 | 107,895 | 118,362 | 126,841 | 114,966 | 171,133 | 185,919 | 189,750 | 218,378 | 246,143 | |
| Standard & Poor's 500 Index [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | S&P 500® Index | |||||||||||
| Accumulated Value | 10,000 | 10,123 | 11,939 | 13,523 | 15,348 | 15,480 | 22,599 | 22,652 | 23,256 | 28,526 | 31,982 | |
| Russell 3000 Value Index [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Russell 3000® Value Index | |||||||||||
| Accumulated Value | $ 10,000 | $ 9,933 | $ 11,657 | $ 12,522 | $ 13,597 | $ 11,978 | $ 17,701 | $ 17,839 | $ 17,958 | $ 20,374 | $ 22,026 | |