Additional fee of deferred underwriting discount.

No definition available.

Name:	acba_AdditionalFeeOfDeferredUnderwritingDiscount
Namespace Prefix:	acba_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Additional of gross offering percentage.

+ References

No definition available.

+ Details

Name:	acba_AdditionalOfGrossOfferingPercentage
Namespace Prefix:	acba_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross offering percentage.

+ References

No definition available.

+ Details

Name:	acba_GrossOfferingPercentage
Namespace Prefix:	acba_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	acba_InitialPublicOfferingDetailsLineItems
Namespace Prefix:	acba_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares.

+ References

No definition available.

+ Details

Name:	acba_NumberOfShares
Namespace Prefix:	acba_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Cash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies.

+ 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_PaymentsForUnderwritingExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Description of stock transaction which may include details of the offering (IPO, private placement), a description of the stock sold, percentage of subsidiary's or equity investee's stock sold, a description of the investors and whether the stock was issued in a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=123454820&loc=SL4569655-111683

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684

+ Details

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

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- 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

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=acba_PublicUnitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Initial Public Offering (Details) - USD ($)		12 Months Ended
Initial Public Offering (Details) - USD ($)	Apr. 08, 2021	Dec. 31, 2021	Apr. 09, 2021
Initial Public Offering (Details) [Line Items]
Number of shares			600,000
Underwriting discount		$ 920,000
Gross offering proceeds		2.00%
Additional fee of deferred underwriting discount		$ 1,840,000
Gross offering proceeds payable		4.00%
Public Unit [Member]
Initial Public Offering (Details) [Line Items]
Number of shares	4,000,000
Sale of price per share	$ 10
Public unit description		Each Public Warrant entitles the holder to purchase one ordinary share at an exercise price of $11.50 per whole share (see Note 7).