v3.25.4
Shareholder Report, Line Graph (Details) 943270_The Multi-Disciplinary Income Fund_No Load Class_TSR Annual {No Load Class} - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2025
No Load Class                      
Account Value [Line Items]                      
Accumulated Value $ 13,706 $ 12,804 $ 12,176 $ 12,464 $ 12,318 $ 12,490 $ 11,451 $ 11,566 $ 11,041 $ 10,000 $ 14,409
Bloomberg US Aggregate Bond Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg US Aggregate Bond Index
Accumulated Value 11,369 11,229 10,641 12,232 12,424 11,556 10,630 10,628 10,265 10,000 $ 12,199
Bloomberg U.S. High Yield Corporate Bond Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. High Yield Corporate Bond Index
Accumulated Value 17,326 16,014 14,116 15,895 15,098 14,095 12,330 12,592 11,713 10,000 $ 18,820
CBOE S&P 500 PutWrite Index (PUT) [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     CBOE S&P 500 PutWrite Index (PUT)
Accumulated Value 19,736 16,747 14,650 15,865 13,026 12,755 11,237 11,945 10,777 10,000 $ 21,549
Cboe S&P 500 BuyWrite Monthly Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Cboe S&P 500 BuyWrite Monthly Index
Accumulated Value $ 18,591 $ 15,477 $ 13,841 $ 15,616 $ 12,962 $ 13,329 $ 11,522 $ 12,099 $ 10,707 $ 10,000 $ 20,248