XML 71 R58.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Related Party Transactions - Kiernan (Details) | 1 Months Ended |
--- | --- | ---
Jan. 01, 2022 USD ($) a | Dec. 31, 2021 a
Related Party Transaction [Line Items] |  |
Area of Land Sold | a |  | 1,638
Chief Executive Officer |  |
Related Party Transaction [Line Items] |  |
Area of Land Sold | a | 93 |
Operating leases, term of contract | 3 years |
Lease Commencing Date | Jan. 01, 2022 |
Lease Expiration Date | Jan. 01, 2025 |
Payments for Rent | $ 1,860,000 |
Operating Lease, Description | Company has granted to Mr. Kiernan an option to purchase the Land from the Company, exercisable only during the one-year period January 1, 2022, through January 1, 2023 |
Option Amount to Repurchase | $ 480,000 |
Repurchase Price Per Acre | $ 5,161 |

X
- Definition Date which lease or group of leases is set to start, in YYYY-MM-DD format. + References No definition available. + Details
Name: | alco_LeaseCommencingDate
Namespace Prefix: | alco_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Option amount to repurchase the lease land. + References No definition available. + Details
Name: | alco_OptionAmountToRepurchase
Namespace Prefix: | alco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Repurchase price per acre. + References No definition available. + Details
Name: | alco_RepurchasePricePerAcre
Namespace Prefix: | alco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Area of land held. + References No definition available. + Details
Name: | us-gaap_AreaOfLand
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date which lease or group of leases is set to expire, in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of lessee's operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cash payments to lessor's for use of assets under operating leases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForRent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |