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Related Party Transactions (Details) |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 16, 2024 USD ($) | Apr. 18, 2024 shares | Jan. 19, 2022 USD ($) $ / shares shares | Jan. 13, 2022 shares | Dec. 01, 2021 USD ($) $ / shares shares | Oct. 25, 2021 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) shares | Sep. 19, 2024 $ / shares | May 30, 2024 USD ($) | Dec. 18, 2023 $ / shares | Dec. 15, 2023 $ / shares | Dec. 12, 2023 USD ($) | Dec. 11, 2023 USD ($) | Dec. 08, 2023 USD ($) | Nov. 14, 2023 USD ($) | Oct. 14, 2023 USD ($) $ / shares | Apr. 18, 2023 shares
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Offering costs |  |  | $ 17,204,107 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares forfeited (in Shares) | shares |  |  |  | 3,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  | 1,100,000 |  |  |  |  |  | 983,333 | 30,000,000 |  |  |  |  |  |  |  |  |  |  |
Shares granted (in Shares) | shares |  |  |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |
Shares issued price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 9.2 |  | $ 11.29 |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  |  |  |  |  |  | $ 362,500 |  |  |  |  |  |  |  |  |  |
Promissory note | $ 103,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment amount | 206,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trust account |  |  | $ 306,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Promissory Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount | $ 103,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Founder Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of stock split |  |  |  | On January 13, 2022, the Company effectuated a 1.044-for-1 stock split, resulting in an aggregate of 7,503,750 Founder Shares outstanding (see Note 7). |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in Shares) | shares |  |  |  | 7,503,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock split ratio |  |  |  |  |  | 1.044 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fee Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services shares |  |  |  |  | $ 362,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expense Advancement Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  | $ 160,000 |  |  |  |  |  |  |  |
Agree to advance from related party |  |  |  |  |  |  |  |  |  |  |  | 160,000 |  |  |  |  |  |  |  |
withdrawal amount |  |  |  |  |  |  |  |  |  |  |  | 440,000 |  |  |  |  |  |  |  |
Sponsor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  |  |  |  |  |  | 600,601 |  |  |  |  |  |  |  |  |  |  |  |  |
Fund tax obligations |  |  |  |  |  |  |  |  | $ 1,655,000 |  |  |  |  |  | $ 15,000 | $ 1,630,000 | $ 10,000 |  |  |
Sponsor [Member] | Working Capital Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finance transaction costs |  |  |  |  |  |  | $ 1,750,000 | $ 1,750,000 |  |  |  |  |  |  |  |  |  |  |  |
Additional warrants |  |  |  |  |  |  | $ 1,500,000 | $ 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrant per share (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 1 | $ 1 |  |  |  |  |  |  |  |  |  |  |  |
Working capital loans outstanding |  |  |  |  |  |  | $ 0 | $ 0 | 0 |  |  |  |  |  |  |  |  |  |  |
Sponsor [Member] | Extension Promissory Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 80,000 | $ 80,000 |
Trust account |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80,000 |
Sponsor [Member] | Loans Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trust account |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80,000 |
Borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160,000 |
Sponsor [Member] | Expense Advancement Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agree to advance from related party |  |  |  |  |  |  |  |  |  |  |  | $ 600,000 |  |  |  |  |  |  |  |
Sponsor [Member] | Promissory Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sponsor [Member] | Promissory Note [Member] | Loans Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 80,000 |
Sponsor [Member] | Working Capital Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finance transaction costs |  |  |  |  |  |  |  |  | 1,750,000 |  |  |  |  |  |  |  |  |  |  |
Additional warrants |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |  |  |  |  |  |  |
Warrant per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |  |  |  |
Related Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due from related party |  |  |  |  |  |  | 103,000 | 103,000 |  |  |  |  |  |  |  |  |  |  |  |
Extension promissory note - related party |  |  |  |  |  |  | 160,000 | 160,000 | 160,000 |  |  |  |  |  |  |  |  |  |  |
Advance from related parties |  |  |  |  |  |  | $ 2,270,051 | $ 2,270,051 | 1,655,000 |  |  |  |  |  |  |  |  |  |  |
Related Party [Member] | Promissory Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of stock split |  |  |  | 1.044-for-1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in Shares) | shares |  |  |  |  |  |  | 1 | 1 | 1 | 7,500,000 |  |  |  |  |  |  |  |  |  |
Series B Common Stock [Member] | Founder Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in Dollars per share) | $ / shares |  |  |  |  |  | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Common Stock [Member] | Fee Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services shares (in Shares) | shares |  |  |  |  | 50,000 |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued price per share (in Dollars per share) | $ / shares |  |  |  |  | $ 7.25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  | $ 362,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Common Stock [Member] | Sponsor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Offering costs |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in Shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Series B Common Stock [Member] | Sponsor [Member] | Founder Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services shares |  |  |  |  |  | $ 7,187,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Common Stock [Member] | Sponsor [Member] | Fee Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  |  |  |  |  | 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Common Stock [Member] | Director [Member] | Founder Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A common stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in Shares) | shares |  |  |  |  |  |  | 7,499,999 | 7,499,999 | 7,499,999 |  |  |  |  |  |  |  |  |  |  |
Share price (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 12 | $ 12 |  |  |  |  |  | $ 10.68 |  |  |  |  |  |
Number of trading days for determining share price |  |  |  |  |  |  |  | 20 days |  |  |  |  |  |  |  |  |  |  |  |
Number of consecutive trading days for determining the share price |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |  |  |
Waiting period after which the share trading days are considered |  |  |  |  |  |  |  | 150 days |  |  |  |  |  |  |  |  |  |  |  |
Shares issued price per share (in Dollars per share) | $ / shares |  |  | $ 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A common stock [Member] | Sponsor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in Shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,935,691
Series A common stock [Member] | Sponsor [Member] | Extension Promissory Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 10.2 |  |  |  |  |  | $ 10.2 |
Series A common stock [Member] | Sponsor [Member] | Loans Payable [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 10.2 |  |  |  |  |  | $ 10.2 |
Series A common stock [Member] | Restriction on Transfer of Sponsor Shares [Member] | Sponsor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 12 |  |  |  |  |  |  |  |  |  |  |
Number of trading days for determining share price |  |  |  |  |  |  |  |  | 20 days |  |  |  |  |  |  |  |  |  |  |
Number of consecutive trading days for determining the share price |  |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |  |
Lock in period of shares |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |
Waiting period after which the share trading days |  |  |  |  |  |  |  |  | 150 days |  |  |  |  |  |  |  |  |  |  |
Founder Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding (in Shares) | shares |  |  |  | 7,503,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Founder Shares [Member] | Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Founder Shares [Member] | Series B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration shares (in Shares) | shares |  |  |  |  |  | 7,187,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in Dollars per share) | $ / shares |  |  |  |  |  | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares forfeited (in Shares) | shares |  |  |  |  |  |  |  | 3,750 |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  |  |  |  |  |  |  | 3,900,000 | 3,900,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  | 10 | $ 10 | $ 10 |  |  |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Series B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares forfeited (in Shares) | shares |  |  |  | 3,750 |  |  |  | 3,750 |  | 978,500 |  |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Series A common stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services value (in Shares) | shares |  |  | 3,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fee Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services shares |  |  |  |  |  |  |  | $ 362,500 |  |  |  |  |  |  |  |  |  |  |  |
Shares issued price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 7.25 | $ 7.25 |  |  |  |  |  |  |  |  |  |  |  |
Fee Shares [Member] | Series B Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock shares issued during the period for services shares (in Shares) | shares |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Agree to advance from related party. + References No definition available. + Details
Name: | acab_AgreeToAdvanceFromRelatedParty
Namespace Prefix: | acab_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of consideration shares. + References No definition available. + Details
Name: | acab_ConsiderationShares
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