v3.26.1
Shareholder Report, Line Graph (Details) - USD ($)
 6 Months Ended 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
Jun. 30, 2016
Jun. 30, 2026
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2026
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]                        
Accumulated Value $ 10,000   $ 11,790 $ 13,484 $ 14,889 $ 16,007 $ 22,537 $ 20,143 $ 24,090 $ 30,006 $ 34,555 $ 42,268
S&P 500 Index                        
Account Value [Line Items]                        
Accumulated Value 10,000   11,790 13,484 14,889 16,007 22,537 20,143 24,090 30,006 34,555 42,268
S&P 500 Index                        
Account Value [Line Items]                        
Accumulated Value 500,000   589,500 674,211 744,464 800,373 1,126,845 1,007,174 1,204,480 1,500,300 1,727,746 2,113,379
S&P 500 Index                        
Account Value [Line Items]                        
Accumulated Value 10,000   11,790 13,484 14,889 16,007 22,537 20,143 24,090 30,006 34,555 42,268
Bloomberg US Government / Credit Bond Index                        
Account Value [Line Items]                        
Accumulated Value 10,000   9,959 9,896 10,739 11,816 11,769 10,492 10,419 10,704 11,335 11,711
MSCI USA Value Index                        
Account Value [Line Items]                        
Accumulated Value 10,000   11,600 12,404 13,536 12,421 17,391 16,662 18,201 20,932 23,697 28,014
Bloomberg US Government / Credit Bond Index                        
Account Value [Line Items]                        
Accumulated Value 10,000   9,959 9,896 10,739 11,816 11,769 10,492 10,419 10,704 11,335 11,711
MSCI USA Value Index                        
Account Value [Line Items]                        
Accumulated Value 10,000   11,600 12,404 13,536 12,421 17,391 16,662 18,201 20,932 23,697 28,014
Bloomberg US Government / Credit Bond Index                        
Account Value [Line Items]                        
Accumulated Value 500,000   497,950 494,813 536,971 590,775 588,471 524,622 520,950 535,224 566,749 585,565
MSCI USA Value Index                        
Account Value [Line Items]                        
Accumulated Value 500,000   580,000 620,194 676,818 621,048 869,529 833,096 910,074 1,046,585 1,184,839 1,400,717
Bloomberg US Government / Credit Bond Index                        
Account Value [Line Items]                        
Accumulated Value 10,000   9,959 9,896 10,739 11,816 11,769 10,492 10,419 10,704 11,335 11,711
MSCI USA Value Index                        
Account Value [Line Items]                        
Accumulated Value $ 10,000   $ 11,600 $ 12,404 $ 13,536 $ 12,421 $ 17,391 $ 16,662 $ 18,201 $ 20,932 $ 23,697 $ 28,014