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

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

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Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

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

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SUBSEQUENT EVENTS (Details) - USD ($)			8 Months Ended	9 Months Ended
SUBSEQUENT EVENTS (Details) - USD ($)	Nov. 01, 2022	Mar. 15, 2022	Sep. 30, 2021	Sep. 30, 2022	Mar. 14, 2022
Subsequent Event [Line Items]
Cash	$ 95,800,000
Earnout Shares [Member]
Subsequent Event [Line Items]
Common stock subject to price-based earnout triggers	0.75842
Avista Public Acquisition Corp. II [Member]
Subsequent Event [Line Items]
Amount of drew down promissory note			$ 0	$ 750,000
Avista Public Acquisition Corp. II [Member] \| OmniAb
Subsequent Event [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired				0.0067%
Subsequent Event [Member]
Subsequent Event [Line Items]
Cash	$ 95,800,000
Number of trading days for determining the share price	20 days
Number of consecutive trading days for determining the share price	30 days
Volume-weighted average trading prices	$ 12.5
Excess price per share	$ 12.5
Subsequent Event [Member] \| APACs Existing Public Shareholders [Member] \| OmniAb
Subsequent Event [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	85.00%
Subsequent Event [Member] \| Sponsor Of APAC [Member] \| OmniAb
Subsequent Event [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	1.10%
Subsequent Event [Member] \| Related Parties Of APAC [Member] \| OmniAb
Subsequent Event [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	13.90%
Subsequent Event [Member] \| New OmniAb Common Stock [Member]
Subsequent Event [Line Items]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	4.90007
Subsequent Event [Member] \| Earnout Shares [Member]
Subsequent Event [Line Items]
Volume-weighted average trading prices	$ 15
Excess price per share	$ 15
Subsequent Event [Member] \| Avista Public Acquisition Corp. II [Member]
Subsequent Event [Line Items]
Shares sold in IPO redeemed for cash (in Shares)	21,713,864
Shares issued cash price	$ 10.32
Shares sold in IPO redeemed for cash	$ 224,000,000
Redemption price per share	$ 10.32
Subsequent Event [Member] \| Working Capital Loans Warrant [Member] \| Avista Public Acquisition Corp. II [Member] \| Sponsor
Subsequent Event [Line Items]
Aggregate borrowings					$ 750,000
Price of warrant					$ 1.5
Amount of drew down promissory note		$ 500,000