Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v2.4.1.9
Related Party Transactions (Details) (USD $)
0 Months Ended 3 Months Ended
Dec. 02, 2014
Dec. 31, 2014
Dec. 31, 2013
boxes
Sep. 30, 2013
Silver Nip Citrus Agreement [Member]        
Related Party Transaction [Line Items]        
Number of shares issuable 1,463,544us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= alco_SilverNipCitrusAgreementMember
800,500us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= alco_SilverNipCitrusAgreementMember
   
Amount of indebtedness   $ 42,600,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= alco_SilverNipCitrusAgreementMember
   
Amount of costs incurred   17,900,000us-gaap_BusinessAcquisitionPreacquisitionContingencyAmountOfSettlement
/ us-gaap_BusinessAcquisitionAxis
= alco_SilverNipCitrusAgreementMember
   
Professional and legal fees   250,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ us-gaap_BusinessAcquisitionAxis
= alco_SilverNipCitrusAgreementMember
   
734 Agriculture [Member]        
Related Party Transaction [Line Items]        
Ownership interest in subsidiary   51.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Number of shares owned   3,725,457us-gaap_InvestmentOwnedBalanceShares
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Atlanticblue [Member]        
Related Party Transaction [Line Items]        
Ownership interest in subsidiary       51.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= alco_AtlanticblueMember
Alico Fruit [Member]        
Related Party Transaction [Line Items]        
Number of boxes of fruit marketed   169,074alco_RelatedPartyTransactionBoxesOfFruitMarketedByRelatedParty
/ dei_LegalEntityAxis
= alco_AlicoFruitMember
0alco_RelatedPartyTransactionBoxesOfFruitMarketedByRelatedParty
/ dei_LegalEntityAxis
= alco_AlicoFruitMember
 
Related party revenue   64,734us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= alco_AlicoFruitMember
0us-gaap_RevenueFromRelatedParties
/ dei_LegalEntityAxis
= alco_AlicoFruitMember
 
Silver Nip [Member]        
Related Party Transaction [Line Items]        
Amount of transaction   37,500us-gaap_RelatedPartyTransactionAmountsOfTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= alco_SilverNipMember
   
Silver Nip [Member] | 734 Agriculture [Member]        
Related Party Transaction [Line Items]        
Ownership interest in subsidiary   74.89%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= alco_SilverNipMember
   
Silver Nip [Member] | Mr Wilson [Member]        
Related Party Transaction [Line Items]        
Ownership interest in subsidiary   5.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= alco_MrWilsonMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= alco_SilverNipMember
   
Silver Nip [Member] | Rio Verde Ventures, LLC [Member]        
Related Party Transaction [Line Items]        
Ownership interest in subsidiary   20.11%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= alco_RioVerdeVenturesLlcMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= alco_SilverNipMember
   
JD Alexander [Member]        
Related Party Transaction [Line Items]        
Amount of transaction   $ 2,000,000us-gaap_RelatedPartyTransactionAmountsOfTransaction
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= alco_JDAlexanderMember
   
Term of agreement   2 years