v3.25.2
Shareholder Report
 6 Months Ended
Jun. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Comstock Funds, Inc.
Entity Central Index Key 0000830779
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2025
C000073498  
Shareholder Report [Line Items]  
Fund Name Comstock Capital Value Fund
Class Name Class AAA
Trading Symbol COMVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Comstock Capital Value Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You may find additional information about the Fund at www.gabelli.com/funds/open_ends. You may also request  information by contacting us at 800-GABELLI (800-422-3554).
Additional Information Phone Number 800-GABELLI (800-422-3554)
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
Expenses [Text Block]

What were the Fund costs for the last six months? 

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10k Investment
Costs Paid as a % of a $10k Investment
Comstock Capital Value Fund - Class AAA
$0
-%
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.00%
Factors Affecting Performance [Text Block]

How did the Fund perform?

For the six months ended June 30, 2025, the Comstock Capital Value Fund outperformed its broad-based benchmark, the S&P 500 Index, and its comparative benchmarks, the Bloomberg US Government / Credit Bond Index and the MSCI USA Value Index. Merger & Acquisition activity totaled $2.0 trillion globally in the first half of 2025, a 33% increase year over year. M&A headwinds from recent years have become tailwinds given this administration's views on consolidation and antitrust regulation. Deal volumes are expected to continue to accelerate based on clarity of tariffs and anticipated rate cuts.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future results.
Line Graph [Table Text Block]
Growth of 10K Chart
Comstock Capital Value Fund - Class AAA
S&P 500 Index
Bloomberg US Government / Credit Bond Index
MSCI USA Value Index
6/15
10,000
10,000
10,000
10,000
6/16
9,504
10,399
10,670
10,537
6/17
7,206
12,260
10,626
12,223
6/18
6,214
14,022
10,559
13,070
6/19
5,640
15,483
11,459
14,263
6/20
4,948
16,646
12,607
13,088
6/21
4,805
23,436
12,558
18,324
6/22
4,727
20,947
11,195
17,557
6/23
5,001
25,051
11,117
19,179
6/24
5,245
31,203
11,422
22,056
6/25
5,858
35,934
12,094
24,969
Average Annual Return [Table Text Block]
6 months
1 Year
5 Year
10 Year
Comstock Capital Value Fund - Class AAA
6.40%
11.69%
3.43%
(5.21)%
S&P 500 Index
6.20%
15.16%
16.64%
13.65%
Bloomberg US Government / Credit Bond Index
3.95%
5.89%
(0.83)%
1.92%
MSCI USA Value Index
6.45%
13.21%
13.79%
9.58%
No Deduction of Taxes [Text Block] The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on fund distributions or the redemption of fund shares.
AssetsNet $ 8,564,790
Holdings Count | Holding 103
Advisory Fees Paid, Amount $ (87,868)
InvestmentCompanyPortfolioTurnover 107.00%
Additional Fund Statistics [Text Block]

Fund Statistics

  • Total Net Assets$8,564,790
  • Number of Portfolio Holdings103
  • Portfolio Turnover Rate107%
  • Management Fees$(87,868)
Holdings [Text Block]

Portfolio Weighting (% of net assets)

Common Stocks
79.8%
U.S. Government Obligations
19.0%
Closed-End Funds
0.5%
Rights
0.5%
Other Assets and Liabilities (Net)
0.2%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry
Industry Weighting
.
U.S. Government Obligations
19.0%
Health Care
18.2%
Telecommunications
10.6%
Retail
8.0%
Financial Services
6.2%
Food and Beverage
5.8%
Energy and Utilities
5.6%
Broadcasting
4.0%
Other Industry sectors
22.4%
Other Assets and Liabilities (Net)
0.2%
Largest Holdings [Text Block]

Top 10 Holdings (% of net assets)

Blueprint Medicines Corp.
5.2%
Kellanova
5.1%
Frontier Communications Parent Inc.
4.0%
Juniper Networks Inc.
3.5%
Amedisys Inc.
3.4%
Skechers USA Inc.
2.9%
SpringWorks Therapeutics Inc.
2.7%
Triumph Group Inc.
2.7%
ALLETE Inc.
2.6%
Paramount Global
2.5%
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-GABELLI (800-422-3554)
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@gabelli.com</span>
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
C000002843  
Shareholder Report [Line Items]  
Fund Name Comstock Capital Value Fund
Class Name Class C
Trading Symbol CPCCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Comstock Capital Value Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You may find additional information about the Fund at www.gabelli.com/funds/open_ends. You may also request  information by contacting us at 800-GABELLI (800-422-3554).
Additional Information Phone Number 800-GABELLI (800-422-3554)
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
Expenses [Text Block]

What were the Fund costs for the last six months? 

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10k Investment
Costs Paid as a % of a $10k Investment
Comstock Capital Value Fund - Class C
$0
-%
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.00%
Factors Affecting Performance [Text Block]

How did the Fund perform?

For the six months ended June 30, 2025, the Comstock Capital Value Fund outperformed its broad-based benchmark, the S&P 500 Index, and its comparative benchmarks, the Bloomberg US Government / Credit Bond Index and the MSCI USA Value Index. Merger & Acquisition activity totaled $2.0 trillion globally in the first half of 2025, a 33% increase year over year. M&A headwinds from recent years have become tailwinds given this administration's views on consolidation and antitrust regulation. Deal volumes are expected to continue to accelerate based on clarity of tariffs and anticipated rate cuts.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future results.
Line Graph [Table Text Block]
Growth of 10K Chart
Comstock Capital Value Fund - Class C
Comstock Capital Value Fund - Class C (includes sales charge)
S&P 500 Index
Bloomberg US Government / Credit Bond Index
MSCI USA Value Index
6/15
10,000
10,000
10,000
10,000
10,000
6/16
9,437
9,342
10,399
10,670
10,537
6/17
7,096
6,950
12,260
10,626
12,223
6/18
6,074
5,888
14,022
10,559
13,070
6/19
5,467
5,246
15,483
11,459
14,263
6/20
4,770
4,531
16,646
12,607
13,088
6/21
4,638
4,361
23,436
12,558
18,324
6/22
4,549
4,234
20,947
11,195
17,557
6/23
4,816
4,440
25,051
11,117
19,179
6/24
5,049
4,610
31,203
11,422
22,056
6/25
6,199
5,615
35,934
12,094
24,969
Average Annual Return [Table Text Block]
6 months
1 Year
5 Year
10 Year
Comstock Capital Value Fund - Class C
17.30%
22.78%
5.37%
(4.67)%
Comstock Capital Value Fund - Class C (includes sales charge)
16.30%
21.78%
5.37%
(4.67)%
S&P 500 Index
6.20%
15.16%
16.64%
13.65%
Bloomberg US Government / Credit Bond Index
3.95%
5.89%
(0.83)%
1.92%
MSCI USA Value Index
6.45%
13.21%
13.79%
9.58%
No Deduction of Taxes [Text Block] The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on fund distributions or the redemption of fund shares.
AssetsNet $ 8,564,790
Holdings Count | Holding 103
Advisory Fees Paid, Amount $ (87,868)
InvestmentCompanyPortfolioTurnover 107.00%
Additional Fund Statistics [Text Block]

Fund Statistics

  • Total Net Assets$8,564,790
  • Number of Portfolio Holdings103
  • Portfolio Turnover Rate107%
  • Management Fees$(87,868)
Holdings [Text Block]

Portfolio Weighting (% of net assets)

Common Stocks
79.8%
U.S. Government Obligations
19.0%
Closed-End Funds
0.5%
Rights
0.5%
Other Assets and Liabilities (Net)
0.2%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry
Industry Weighting
.
U.S. Government Obligations
19.0%
Health Care
18.2%
Telecommunications
10.6%
Retail
8.0%
Financial Services
6.2%
Food and Beverage
5.8%
Energy and Utilities
5.6%
Broadcasting
4.0%
Other Industry sectors
22.4%
Other Assets and Liabilities (Net)
0.2%
Largest Holdings [Text Block]

Top 10 Holdings (% of net assets)

Blueprint Medicines Corp.
5.2%
Kellanova
5.1%
Frontier Communications Parent Inc.
4.0%
Juniper Networks Inc.
3.5%
Amedisys Inc.
3.4%
Skechers USA Inc.
2.9%
SpringWorks Therapeutics Inc.
2.7%
Triumph Group Inc.
2.7%
ALLETE Inc.
2.6%
Paramount Global
2.5%
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-GABELLI (800-422-3554)
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@gabelli.com</span>
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
C000002844  
Shareholder Report [Line Items]  
Fund Name Comstock Capital Value Fund
Class Name Class I
Trading Symbol CPCRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Comstock Capital Value Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You may find additional information about the Fund at www.gabelli.com/funds/open_ends. You may also request  information by contacting us at 800-GABELLI (800-422-3554).
Additional Information Phone Number 800-GABELLI (800-422-3554)
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
Expenses [Text Block]

What were the Fund costs for the last six months? 

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10k Investment
Costs Paid as a % of a $10k Investment
Comstock Capital Value Fund - Class I
$0
-%
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.00%
Factors Affecting Performance [Text Block]

How did the Fund perform?

For the six months ended June 30, 2025, the Comstock Capital Value Fund outperformed its broad-based benchmark, the S&P 500 Index, and its comparative benchmarks, the Bloomberg US Government / Credit Bond Index and the MSCI USA Value Index. Merger & Acquisition activity totaled $2.0 trillion globally in the first half of 2025, a 33% increase year over year. M&A headwinds from recent years have become tailwinds given this administration's views on consolidation and antitrust regulation. Deal volumes are expected to continue to accelerate based on clarity of tariffs and anticipated rate cuts.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future results.
Line Graph [Table Text Block]
Growth of 10K Chart
Comstock Capital Value Fund - Class I
S&P 500 Index
Bloomberg US Government / Credit Bond Index
MSCI USA Value Index
6/15
10,000
10,000
10,000
10,000
6/16
9,537
10,399
10,670
10,537
6/17
7,237
12,260
10,626
12,223
6/18
6,273
14,022
10,559
13,070
6/19
5,694
15,483
11,459
14,263
6/20
5,013
16,646
12,607
13,088
6/21
4,885
23,436
12,558
18,324
6/22
4,821
20,947
11,195
17,557
6/23
5,091
25,051
11,117
19,179
6/24
5,345
31,203
11,422
22,056
6/25
5,961
35,934
12,094
24,969
Average Annual Return [Table Text Block]
6 months
1 Year
5 Year
10 Year
Comstock Capital Value Fund - Class I
6.43%
11.53%
3.52%
(5.04)%
S&P 500 Index
6.20%
15.16%
16.64%
13.65%
Bloomberg US Government / Credit Bond Index
3.95%
5.89%
(0.83)%
1.92%
MSCI USA Value Index
6.45%
13.21%
13.79%
9.58%
No Deduction of Taxes [Text Block] The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on fund distributions or the redemption of fund shares.
AssetsNet $ 8,564,790
Holdings Count | Holding 103
Advisory Fees Paid, Amount $ (87,868)
InvestmentCompanyPortfolioTurnover 107.00%
Additional Fund Statistics [Text Block]

Fund Statistics

  • Total Net Assets$8,564,790
  • Number of Portfolio Holdings103
  • Portfolio Turnover Rate107%
  • Management Fees$(87,868)
Holdings [Text Block]

Portfolio Weighting (% of net assets)

Common Stocks
79.8%
U.S. Government Obligations
19.0%
Closed-End Funds
0.5%
Rights
0.5%
Other Assets and Liabilities (Net)
0.2%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry
Industry Weighting
.
U.S. Government Obligations
19.0%
Health Care
18.2%
Telecommunications
10.6%
Retail
8.0%
Financial Services
6.2%
Food and Beverage
5.8%
Energy and Utilities
5.6%
Broadcasting
4.0%
Other Industry sectors
22.4%
Other Assets and Liabilities (Net)
0.2%
Largest Holdings [Text Block]

Top 10 Holdings (% of net assets)

Blueprint Medicines Corp.
5.2%
Kellanova
5.1%
Frontier Communications Parent Inc.
4.0%
Juniper Networks Inc.
3.5%
Amedisys Inc.
3.4%
Skechers USA Inc.
2.9%
SpringWorks Therapeutics Inc.
2.7%
Triumph Group Inc.
2.7%
ALLETE Inc.
2.6%
Paramount Global
2.5%
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-GABELLI (800-422-3554)
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@gabelli.com</span>
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
C000002841  
Shareholder Report [Line Items]  
Fund Name Comstock Capital Value Fund
Class Name Class A
Trading Symbol DRCVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Comstock Capital Value Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You may find additional information about the Fund at www.gabelli.com/funds/open_ends. You may also request  information by contacting us at 800-GABELLI (800-422-3554).
Additional Information Phone Number 800-GABELLI (800-422-3554)
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
Expenses [Text Block]

What were the Fund costs for the last six months? 

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10k Investment
Costs Paid as a % of a $10k Investment
Comstock Capital Value Fund - Class A
$0
-%
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.00%
Factors Affecting Performance [Text Block]

How did the Fund perform?

For the six months ended June 30, 2025, the Comstock Capital Value Fund outperformed its broad-based benchmark, the S&P 500 Index, and its comparative benchmarks, the Bloomberg US Government / Credit Bond Index and the MSCI USA Value Index. Merger & Acquisition activity totaled $2.0 trillion globally in the first half of 2025, a 33% increase year over year. M&A headwinds from recent years have become tailwinds given this administration's views on consolidation and antitrust regulation. Deal volumes are expected to continue to accelerate based on clarity of tariffs and anticipated rate cuts.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future results.
Line Graph [Table Text Block]
Growth of 10K Chart
Comstock Capital Value Fund - Class A
Comstock Capital Value Fund - Class A (includes sales charge)
S&P 500 Index
Bloomberg US Government / Credit Bond Index
MSCI USA Value Index
6/15
10,000
10,000
10,000
10,000
10,000
6/16
9,478
8,933
10,399
10,670
10,537
6/17
7,180
6,378
12,260
10,626
12,223
6/18
6,188
5,181
14,022
10,559
13,070
6/19
5,613
4,430
15,483
11,459
14,263
6/20
4,935
3,670
16,646
12,607
13,088
6/21
4,792
3,359
23,436
12,558
18,324
6/22
4,713
3,114
20,947
11,195
17,557
6/23
4,988
3,106
25,051
11,117
19,179
6/24
5,245
3,079
31,203
11,422
22,056
6/25
5,860
3,242
35,934
12,094
24,969
Average Annual Return [Table Text Block]
6 months
1 Year
5 Year
10 Year
Comstock Capital Value Fund - Class A
6.68%
11.72%
3.44%
(5.23)%
Comstock Capital Value Fund - Class A (includes sales charge)
0.55%
5.30%
2.22%
(5.79)%
S&P 500 Index
6.20%
15.16%
16.64%
13.65%
Bloomberg US Government / Credit Bond Index
3.95%
5.89%
(0.83)%
1.92%
MSCI USA Value Index
6.45%
13.21%
13.79%
9.58%
No Deduction of Taxes [Text Block] The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on fund distributions or the redemption of fund shares.
AssetsNet $ 8,564,790
Holdings Count | Holding 103
Advisory Fees Paid, Amount $ (87,868)
InvestmentCompanyPortfolioTurnover 107.00%
Additional Fund Statistics [Text Block]

Fund Statistics

  • Total Net Assets$8,564,790
  • Number of Portfolio Holdings103
  • Portfolio Turnover Rate107%
  • Management Fees$(87,868)
Holdings [Text Block]

Portfolio Weighting (% of net assets)

Common Stocks
79.8%
U.S. Government Obligations
19.0%
Closed-End Funds
0.5%
Rights
0.5%
Other Assets and Liabilities (Net)
0.2%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry
Industry Weighting
.
U.S. Government Obligations
19.0%
Health Care
18.2%
Telecommunications
10.6%
Retail
8.0%
Financial Services
6.2%
Food and Beverage
5.8%
Energy and Utilities
5.6%
Broadcasting
4.0%
Other Industry sectors
22.4%
Other Assets and Liabilities (Net)
0.2%
Largest Holdings [Text Block]

Top 10 Holdings (% of net assets)

Blueprint Medicines Corp.
5.2%
Kellanova
5.1%
Frontier Communications Parent Inc.
4.0%
Juniper Networks Inc.
3.5%
Amedisys Inc.
3.4%
Skechers USA Inc.
2.9%
SpringWorks Therapeutics Inc.
2.7%
Triumph Group Inc.
2.7%
ALLETE Inc.
2.6%
Paramount Global
2.5%
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-GABELLI (800-422-3554)
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@gabelli.com</span>
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>