Subsequent Event	9 Months Ended
Subsequent Event	Sep. 30, 2022
Subsequent Events [Abstract]
Subsequent Event	Subsequent EventOn November, 1, 2022, Ligand completed the Transactions. Pursuant to the Distribution, Ligand distributed on a pro rata basis to its shareholders as of the close of business on October 26, 2022 shares of the common stock of OmniAb representing 100% of Ligand’s interest in OmniAb. The Distribution was immediately followed by the Merger, pursuant to which OmniAb merged with Merger Sub, with OmniAb continuing as the surviving entity and becoming a wholly owned subsidiary of APAC. Prior to the Distribution and Merger, OmniAb changed its name to OmniAb Operations, Inc. and APAC changed its name to OmniAb, Inc. Following the Merger, OmniAb, Inc. is an independent, publicly traded company whose common stock trades on NASDAQ under the symbol “OABI.”