Class Of Warrant Or Right, Amount Of Notes Purchased

No definition available.

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- Definition

Framework Agreement, Required Equity Funding

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Framework Agreement, Required Equity Funding For Qualifying Projects

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Framework Agreement, Required Equity Funding For Qualifying Projects, Remaining Amount Reduction

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Interest Rate

+ References

No definition available.

+ Details

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- Definition

Note Receivable, Commitment To Purchase

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Reverse Capitalization, Closing Cash Condition

+ References

No definition available.

+ Details

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Namespace Prefix:	amci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Simple Agreement For Future Equity, Initial Purchase Amount

+ References

No definition available.

+ Details

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Namespace Prefix:	amci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

Name:	dei_LegalEntityAxis=amci_LanzaJetFreedomPinesFuelsLLCMember
Namespace Prefix:
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- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=amci_SeniorSecuredNotesReceivableMember
Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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Subsequent Events (Details) - USD ($)	Oct. 02, 2022	Dec. 07, 2022	Nov. 09, 2022	Sep. 30, 2022	Mar. 08, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Number of warrants to purchase shares issued				225,223		225,223	383,281
Minimum closing cash condition					$ 250,000,000
Subsequent Event
Subsequent Event [Line Items]
Required equity funding	$ 500,000,000
Initial purchase amount	50,000,000
Required equity funding for qualifying projects	50,000,000
Required equity funding for qualifying projects, remaining amount reduction	$ 5,000,000
Notes receivable, commitment to purchase			$ 5,500,000
Number of warrants to purchase shares issued			316,250
Minimum closing cash condition		$ 230,000,000
Sale of stock price (usd per share)		$ 10.00
Subsequent Event \| LanzaJet Freedom Pines Fuels LLC
Subsequent Event [Line Items]
Notes receivable, aggregate principal amount			$ 147,000,000
Subsequent Event \| Senior Secured Notes Receivable \| LanzaJet Freedom Pines Fuels LLC
Subsequent Event [Line Items]
Notes receivable, aggregate principal amount			$ 113,500,000
Line of credit facility, interest rate			6.00%
Subsequent Event \| Subordinated Secured Notes Receivable \| LanzaJet Freedom Pines Fuels LLC
Subsequent Event [Line Items]
Notes receivable, aggregate principal amount			$ 33,500,000
Line of credit facility, interest rate			6.00%
Subsequent Event \| One Tranche Of Notes
Subsequent Event [Line Items]
Number of warrants to purchase shares issued			575
Amount of Notes purchased			$ 10,000