Maximum amount of Loans that may be convertible into warrants of the post-Business Combination entity.

No definition available.

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

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

The amount for notes payable (written promise to pay), due to related parties.

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- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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- Definition

Amount of transactions with related party during the financial reporting period.

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Balance Type:	debit
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

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- Definition

Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

+ References

No definition available.

+ Details

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Period Type:

- Details

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- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

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Period Type:

RELATED PARTY TRANSACTIONS - Additional information (Details) - USD ($)			12 Months Ended
	Mar. 08, 2021	Mar. 03, 2021	Dec. 31, 2021	Jan. 15, 2021
Affiliate
Related Party Transaction [Line Items]
Administrative expenses - related party		$ 10,000
Administrative Support Agreement
Related Party Transaction [Line Items]
Amount of related party transaction			$ 100,000
Due to related parties, current			10,000
Related Party Loans
Related Party Transaction [Line Items]
Maximum loans converted into warrants			$ 2,000,000
Exercise price of warrants (in dollars per share)			$ 1.00
Amounts outstanding under the working capital loans			$ 0
Sponsor \| Promissory Note [Member]
Related Party Transaction [Line Items]
Face amount of debt instrument				$ 300,000
Proceeds from related party debt	$ 43,101