Shareholder Fees	Jan. 28, 2026 USD ($)
Gabelli Media Mogul Fund \| Gabelli Media Mogul Fund Class A
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	5.75%
Maximum Deferred Sales Charge (as a percentage)	0.00%
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage)	0.00%
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Exchange Fee	$ 0
Gabelli Media Mogul Fund \| Gabelli Media Mogul Fund Class I
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage)	0.00%
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage)	0.00%
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Exchange Fee	$ 0
Gabelli Pet Parents'(TM) Fund \| Gabelli Pet Parents'(TM) Fund Class A
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	5.75%
Maximum Deferred Sales Charge (as a percentage)	0.00%
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage)	0.00%
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Exchange Fee	$ 0
Gabelli Pet Parents'(TM) Fund \| Gabelli Pet Parents'(TM) Fund Class I
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage)	0.00%
Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage)	0.00%
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Exchange Fee	$ 0
Gabelli Food of All Nations Fund \| Gabelli Food of All Nations Fund
Prospectus [Line Items]
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Exchange Fee	$ 0
Gabelli RBI Fund \| Gabelli RBI Fund
Prospectus [Line Items]
Redemption Fee (as a percentage of Amount Redeemed)	(2.00%)
Exchange Fee	$ 0

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
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