This semi-annual shareholder report contains important information about The Gabelli SRI Fund, Inc. (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
The Gabelli SRI Fund, Inc. - Class AAA	$46	0.90%

Expenses Paid, Amount

$ 46

Expense Ratio, Percent

0.90%

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future results.

Line Graph [Table Text Block]

	The Gabelli SRI Fund, Inc. - Class AAA	S&P 500 Index	MSCI ACWI SRI Index
6/15	10,000	10,000	10,000
6/16	10,199	10,399	9,793
6/17	11,322	12,260	11,580
6/18	11,283	14,022	13,037
6/19	11,715	15,483	14,229
6/20	11,366	16,646	15,295
6/21	16,421	23,436	21,456
6/22	13,486	20,947	18,323
6/23	15,343	25,051	21,854
6/24	16,802	31,203	25,272
6/25	18,989	35,934	28,927

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

$ 21,809,773

Holdings Count | Holding

123

Advisory Fees Paid, Amount

$ (41,197)

InvestmentCompanyPortfolioTurnover

11.00%

Additional Fund Statistics [Text Block]

Fund Statistics

Total Net Assets$21,809,773
Number of Portfolio Holdings123
Portfolio Turnover Rate11%
Management Fees$(41,197)

Holdings [Text Block]

Top 10 Holdings (% of net assets)

Xylem Inc.	3.6%
Sony Group Corp.	3.3%
CNH Industrial NV	2.9%
American Express Co.	2.6%
S&P Global Inc.	2.3%
BellRing Brands Inc.	2.2%
Nestlé SA	2.0%
ING Groep NV	1.9%
ABB Ltd.	1.9%
NextEra Energy Inc.	1.7%

Portfolio Weighting (% of net assets)

Common Stocks	97.8%
U.S. Government Obligations	2.1%
Other Assets and Liabilities (Net)	0.1%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry

Industry Weighting	.
Financial Services	31.8%
Food	6.9%
Machinery	6.9%
Consumer Products	6.6%
Computer Software and Services	4.4%
Environmental Services	4.3%
Entertainment	3.7%
Building and Construction	3.6%
Other Industry sectors	31.7%
Other Assets and Liabilities (Net)	0.1%

Material Fund Change [Text Block]

Updated Prospectus Phone Number

800-GABELLI (800-422-3554)

Updated Prospectus Email Address

Updated Prospectus Web Address

C000048073

Shareholder Report [Line Items]

Fund Name

The Gabelli SRI Fund, Inc.

Class Name

Class C

Trading Symbol

SRICX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about The Gabelli SRI Fund, Inc. (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

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
The Gabelli SRI Fund, Inc. - Class C	$46	0.90%

Expenses Paid, Amount

$ 46

Expense Ratio, Percent

0.90%

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future results.

Line Graph [Table Text Block]

	The Gabelli SRI Fund, Inc. - Class C	The Gabelli SRI Fund, Inc. - Class C (includes sales charge)	S&P 500 Index	MSCI ACWI SRI Index
6/15	10,000	10,000	10,000	10,000
6/16	10,117	10,017	10,399	9,793
6/17	11,147	10,937	12,260	11,580
6/18	11,025	10,709	14,022	13,037
6/19	11,435	10,829	15,483	14,229
6/20	11,062	10,371	16,646	15,295
6/21	15,974	14,873	23,436	21,456
6/22	13,111	12,085	20,947	18,323
6/23	14,922	13,633	25,051	21,854
6/24	16,352	14,803	31,203	25,272
6/25	18,477	16,580	35,934	28,927

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

$ 21,809,773

Holdings Count | Holding

123

Advisory Fees Paid, Amount

$ (41,197)

InvestmentCompanyPortfolioTurnover

11.00%

Additional Fund Statistics [Text Block]

Fund Statistics

Total Net Assets$21,809,773
Number of Portfolio Holdings123
Portfolio Turnover Rate11%
Management Fees$(41,197)

Holdings [Text Block]

Top 10 Holdings (% of net assets)

Xylem Inc.	3.6%
Sony Group Corp.	3.3%
CNH Industrial NV	2.9%
American Express Co.	2.6%
S&P Global Inc.	2.3%
BellRing Brands Inc.	2.2%
Nestlé SA	2.0%
ING Groep NV	1.9%
ABB Ltd.	1.9%
NextEra Energy Inc.	1.7%

Portfolio Weighting (% of net assets)

Common Stocks	97.8%
U.S. Government Obligations	2.1%
Other Assets and Liabilities (Net)	0.1%

Industry Allocation (% of net assets)

Industry Weighting	.
Financial Services	31.8%
Food	6.9%
Machinery	6.9%
Consumer Products	6.6%
Computer Software and Services	4.4%
Environmental Services	4.3%
Entertainment	3.7%
Building and Construction	3.6%
Other Industry sectors	31.7%
Other Assets and Liabilities (Net)	0.1%

Material Fund Change [Text Block]

Updated Prospectus Phone Number

800-GABELLI (800-422-3554)

Updated Prospectus Email Address

Updated Prospectus Web Address

C000048074

Shareholder Report [Line Items]

Fund Name

The Gabelli SRI Fund, Inc.

Class Name

Class I

Trading Symbol

SRIDX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about The Gabelli SRI Fund, Inc. (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

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
The Gabelli SRI Fund, Inc. - Class I	$46	0.90%

Expenses Paid, Amount

$ 46

Expense Ratio, Percent

0.90%

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future results.

Line Graph [Table Text Block]

	The Gabelli SRI Fund, Inc. - Class I	S&P 500 Index	MSCI ACWI SRI Index
6/15	10,000	10,000	10,000
6/16	10,216	10,399	9,793
6/17	11,377	12,260	11,580
6/18	11,361	14,022	13,037
6/19	11,824	15,483	14,229
6/20	11,493	16,646	15,295
6/21	16,599	23,436	21,456
6/22	13,632	20,947	18,323
6/23	15,505	25,051	21,854
6/24	16,992	31,203	25,272
6/25	19,195	35,934	28,927

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

$ 21,809,773

Holdings Count | Holding

123

Advisory Fees Paid, Amount

$ (41,197)

InvestmentCompanyPortfolioTurnover

11.00%

Additional Fund Statistics [Text Block]

Fund Statistics

Total Net Assets$21,809,773
Number of Portfolio Holdings123
Portfolio Turnover Rate11%
Management Fees$(41,197)

Holdings [Text Block]

Top 10 Holdings (% of net assets)

Xylem Inc.	3.6%
Sony Group Corp.	3.3%
CNH Industrial NV	2.9%
American Express Co.	2.6%
S&P Global Inc.	2.3%
BellRing Brands Inc.	2.2%
Nestlé SA	2.0%
ING Groep NV	1.9%
ABB Ltd.	1.9%
NextEra Energy Inc.	1.7%

Portfolio Weighting (% of net assets)

Common Stocks	97.8%
U.S. Government Obligations	2.1%
Other Assets and Liabilities (Net)	0.1%

Industry Allocation (% of net assets)

Industry Weighting	.
Financial Services	31.8%
Food	6.9%
Machinery	6.9%
Consumer Products	6.6%
Computer Software and Services	4.4%
Environmental Services	4.3%
Entertainment	3.7%
Building and Construction	3.6%
Other Industry sectors	31.7%
Other Assets and Liabilities (Net)	0.1%

Material Fund Change [Text Block]

Updated Prospectus Phone Number

800-GABELLI (800-422-3554)

Updated Prospectus Email Address

Updated Prospectus Web Address

C000048072

Shareholder Report [Line Items]

Fund Name

The Gabelli SRI Fund, Inc.

Class Name

Class A

Trading Symbol

SRIAX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about The Gabelli SRI Fund, Inc. (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

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
The Gabelli SRI Fund, Inc. - Class A	$46	0.90%

Expenses Paid, Amount

$ 46

Expense Ratio, Percent

0.90%

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future results.

Line Graph [Table Text Block]

	The Gabelli SRI Fund, Inc. - Class A	The Gabelli SRI Fund, Inc. - Class A (includes sales charge)	S&P 500 Index	MSCI ACWI SRI Index
6/15	10,000	10,000	10,000	10,000
6/16	10,199	9,613	10,399	9,793
6/17	11,323	10,058	12,260	11,580
6/18	11,276	9,441	14,022	13,037
6/19	11,627	9,640	15,483	14,229
6/20	11,282	8,816	16,646	15,295
6/21	16,294	12,001	23,436	21,456
6/22	13,377	9,286	20,947	18,323
6/23	15,222	9,959	25,051	21,854
6/24	16,672	10,280	31,203	25,272
6/25	18,843	10,951	35,934	28,927

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

$ 21,809,773

Holdings Count | Holding

123

Advisory Fees Paid, Amount

$ (41,197)

InvestmentCompanyPortfolioTurnover

11.00%

Additional Fund Statistics [Text Block]

Fund Statistics

Total Net Assets$21,809,773
Number of Portfolio Holdings123
Portfolio Turnover Rate11%
Management Fees$(41,197)

Holdings [Text Block]

Top 10 Holdings (% of net assets)

Xylem Inc.	3.6%
Sony Group Corp.	3.3%
CNH Industrial NV	2.9%
American Express Co.	2.6%
S&P Global Inc.	2.3%
BellRing Brands Inc.	2.2%
Nestlé SA	2.0%
ING Groep NV	1.9%
ABB Ltd.	1.9%
NextEra Energy Inc.	1.7%

Portfolio Weighting (% of net assets)

Common Stocks	97.8%
U.S. Government Obligations	2.1%
Other Assets and Liabilities (Net)	0.1%

Industry Allocation (% of net assets)

Industry Weighting	.
Financial Services	31.8%
Food	6.9%
Machinery	6.9%
Consumer Products	6.6%
Computer Software and Services	4.4%
Environmental Services	4.3%
Entertainment	3.7%
Building and Construction	3.6%
Other Industry sectors	31.7%
Other Assets and Liabilities (Net)	0.1%

Material Fund Change [Text Block]

Updated Prospectus Phone Number

800-GABELLI (800-422-3554)

Updated Prospectus Email Address

Updated Prospectus Web Address