Alto Ingredients, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Accounting Policies, by Policy (Policies)
Notes Tables
Notes Details

Commitments and Contingencies (Details)

v3.26.1

Commitments and Contingencies (Details)	3 Months Ended
Commitments and Contingencies (Details)	Mar. 31, 2026 USD ($) BTU gal Tons
Commitments and Contingencies [Line Items]
Indexed price sales contracts (in US Tons) \| Tons	29,000
Future commitments for capital projects	$ 18,362,000
Sales Commitments [Member]
Commitments and Contingencies [Line Items]
Indexed-price sales (in US Gallons) \| gal	93,556,000
Sales contracts valued	$ 10,507,000
Sales Commitments [Member] \| Alcohol Sales Contracts [Member]
Commitments and Contingencies [Line Items]
Sales contracts valued	$ 186,958,000
Alcohol from Suppliers [Member] \| Purchase Commitments [Member]
Commitments and Contingencies [Line Items]
Indexed-price sales (in US Gallons) \| gal	21,592,000
Alcohol from Suppliers [Member] \| Ethanol Purchase Contracts [Member]
Commitments and Contingencies [Line Items]
Fixed-price purchase contracts value	$ 161,000
Corn from Suppliers [Member] \| Purchase Commitments [Member]
Commitments and Contingencies [Line Items]
Fixed-price purchase contracts value	$ 31,464,000
Natural Gas [Member] \| Purchase Commitments [Member]
Commitments and Contingencies [Line Items]
Indexed-price purchase contracts (in British Thermal Units) \| BTU	6,319,000

- Definition

Indexed price purchase contract.

+ References

No definition available.

+ Details

Name:	alto_IndexedPricePurchaseContract
Namespace Prefix:	alto_
Data Type:	dtr:energyItemType
Balance Type:	na
Period Type:	duration

- Definition

Indexed-price purchase contracts

+ References

No definition available.

+ Details

Name:	alto_IndexedPricePurchaseContracts
Namespace Prefix:	alto_
Data Type:	dtr:volumeItemType
Balance Type:	na
Period Type:	duration

- Definition

Indexed price sales contracts.

+ References

No definition available.

+ Details

Name:	alto_IndexedPriceSalesContract
Namespace Prefix:	alto_
Data Type:	dtr:weightItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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_OtherCommitmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482648/440-10-50-4

+ Details

Name:	us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity must commit resources to supply goods or services to one or more customers.

+ References

+ Details

Name:	us-gaap_SignificantSupplyCommitmentRemainingMinimumAmountCommitted
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=alto_SalesCommitmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SupplyCommitmentAxis=alto_AlcoholSalesContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=alto_AlcoholFromItsSuppliersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=us-gaap_PurchaseCommitmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=alto_EthanolPurchaseContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=alto_CornFromSuppliersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_NaturalGasProductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: