v3.25.2
Shareholder Report, Line Graph (Details) - USD ($)
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
C000073498                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Comstock Capital Value Fund - Class AAA                    
C000002843                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Comstock Capital Value Fund - Class C                    
C000002844                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Comstock Capital Value Fund - Class I                    
C000002841                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Comstock Capital Value Fund - Class A                    
S&P 500 Index                      
Account Value [Line Items]                      
Account Value $ 35,934 $ 31,203 $ 25,051 $ 20,947 $ 23,436 $ 16,646 $ 15,483 $ 14,022 $ 12,260 $ 10,399 $ 10,000
S&P 500 Index                      
Account Value [Line Items]                      
Account Value 35,934 31,203 25,051 20,947 23,436 16,646 15,483 14,022 12,260 10,399 10,000
S&P 500 Index                      
Account Value [Line Items]                      
Account Value 35,934 31,203 25,051 20,947 23,436 16,646 15,483 14,022 12,260 10,399 10,000
S&P 500 Index                      
Account Value [Line Items]                      
Account Value 35,934 31,203 25,051 20,947 23,436 16,646 15,483 14,022 12,260 10,399 10,000
Bloomberg US Government / Credit Bond Index                      
Account Value [Line Items]                      
Account Value 12,094 11,422 11,117 11,195 12,558 12,607 11,459 10,559 10,626 10,670 10,000
MSCI USA Value Index                      
Account Value [Line Items]                      
Account Value 24,969 22,056 19,179 17,557 18,324 13,088 14,263 13,070 12,223 10,537 10,000
Bloomberg US Government / Credit Bond Index                      
Account Value [Line Items]                      
Account Value 12,094 11,422 11,117 11,195 12,558 12,607 11,459 10,559 10,626 10,670 10,000
MSCI USA Value Index                      
Account Value [Line Items]                      
Account Value 24,969 22,056 19,179 17,557 18,324 13,088 14,263 13,070 12,223 10,537 10,000
Bloomberg US Government / Credit Bond Index                      
Account Value [Line Items]                      
Account Value 12,094 11,422 11,117 11,195 12,558 12,607 11,459 10,559 10,626 10,670 10,000
MSCI USA Value Index                      
Account Value [Line Items]                      
Account Value 24,969 22,056 19,179 17,557 18,324 13,088 14,263 13,070 12,223 10,537 10,000
Bloomberg US Government / Credit Bond Index                      
Account Value [Line Items]                      
Account Value 12,094 11,422 11,117 11,195 12,558 12,607 11,459 10,559 10,626 10,670 10,000
MSCI USA Value Index                      
Account Value [Line Items]                      
Account Value $ 24,969 $ 22,056 $ 19,179 $ 17,557 $ 18,324 $ 13,088 $ 14,263 $ 13,070 $ 12,223 $ 10,537 $ 10,000