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Related-Party Transactions - Schedule of Statement of Operations (Details)	12 Months Ended
	Oct. 31, 2025 USD ($)	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)	Oct. 31, 2013 USD ($)	Jan. 31, 2024 a shares
Related Party Transaction [Line Items]
Net Revenue Agribusiness	$ 153,685,000	$ 185,923,000	$ 174,381,000
Net Revenue Other Operations	$ 6,038,000	5,580,000	5,520,000
FGF \| Trapani Fresh
Related Party Transaction [Line Items]
Partnership interest percentage	49.00%
Affiliate Of WAM \| Limoneira Company Series B-2 Convertible Preferred Stock
Related Party Transaction [Line Items]
Shares of Series B-2 convertible preferred stock held (in shares) \| shares					9,300
Related Party \| Employees
Related Party Transaction [Line Items]
Net Revenue Other Operations	$ 926,000	920,000	888,000
Dividends Paid	0	0	0
Related Party \| Employees \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	0	0	0
Agribusiness Expense and Other	0	0	0
Related Party \| Mutual water companies
Related Party Transaction [Line Items]
Net Revenue Other Operations	0	0	0
Dividends Paid	0	0	0
Related Party \| Mutual water companies \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	0	0	0
Agribusiness Expense and Other	796,000	1,032,000	1,306,000
Related Party \| Cooperative association
Related Party Transaction [Line Items]
Net Revenue Other Operations	0	0	0
Dividends Paid	0	0	0
Related Party \| Cooperative association \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	0	0	0
Agribusiness Expense and Other	0	576,000	1,689,000
Related Party \| Cadiz / Fenner / WAM
Related Party Transaction [Line Items]
Net Revenue Other Operations			0
Dividends Paid			0
Area of land (in acres) \| a					670
Annual base rental per planted acre				$ 200
Percent of gross revenues paid as annual base rental				20.00%
Maximum annual base rental per planted acre				$ 1,200
Related Party \| Cadiz / Fenner / WAM \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness			0
Agribusiness Expense and Other			2,074,000
Related Party \| YMIDD
Related Party Transaction [Line Items]
Net Revenue Other Operations	0	0	0
Dividends Paid	0	0	0
Related Party \| YMIDD \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	1,290,000	1,273,000	1,080,000
Agribusiness Expense and Other	160,000	139,000	134,000
Related Party \| FGF
Related Party Transaction [Line Items]
Net Revenue Other Operations	200,000	200,000	224,000
Dividends Paid	0	0	0
Reserve against the receivable recorded	1,017,000
Related Party \| FGF \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	330,000	330,000	330,000
Agribusiness Expense and Other	0	0	0
Related Party \| Principal Owner
Related Party Transaction [Line Items]
Net Revenue Other Operations	0	0	0
Dividends Paid	973,000	938,000	867,000
Related Party \| Principal Owner \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	0	0	0
Agribusiness Expense and Other	0	0	0
Related Party \| Rosales
Related Party Transaction [Line Items]
Net Revenue Other Operations	0	0	0
Dividends Paid	0	0	0
Related Party \| Rosales \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	4,102,000	4,541,000	4,581,000
Agribusiness Expense and Other	7,125,000	5,387,000	5,826,000
Related Party \| Del Mar
Related Party Transaction [Line Items]
Net Revenue Other Operations	0	0	0
Dividends Paid	0	0	0
Related Party \| Del Mar \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	238,000	128,000	206,000
Agribusiness Expense and Other	216,000	1,182,000	$ 1,161,000
Related Party \| Law firm
Related Party Transaction [Line Items]
Net Revenue Other Operations	0	0
Dividends Paid	0	0
Related Party \| Law firm \| Agribusiness
Related Party Transaction [Line Items]
Net Revenue Agribusiness	0	0
Agribusiness Expense and Other	$ 291,000	$ 0