v3.25.4
Shareholder Report, Line Graph (Details) 423800_The Internet Fund_Advisor Class A_TSR Annual {Advisor Class A} - 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
Advisor Class A                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Advisor Class A (with sales charge)
Accumulated Value $ 42,794 $ 24,314 $ 18,785 $ 24,870 $ 21,616 $ 13,852 $ 10,987 $ 15,148 $ 9,645 $ 9,426 $ 38,829
S&P 500 TR [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     S&P 500 TR
Accumulated Value 33,786 27,025 21,399 26,132 20,304 17,149 13,042 13,640 11,196 10,000 $ 39,827
NASDAQ Composite Total Return Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     NASDAQ Composite Total Return Index
Accumulated Value 41,962 32,385 22,390 33,188 27,164 18,744 13,712 14,113 10,887 10,000 $ 50,833
NASDAQ Composite Index Price [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     NASDAQ Composite Index Price
Accumulated Value $ 38,564 $ 29,978 $ 20,902 $ 31,244 $ 25,738 $ 17,919 $ 13,251 $ 13,786 $ 10,750 $ 10,000 $ 46,415