v3.25.2
Share-Based Compensation - Additional Information (Details)
$ in Millions
6 Months Ended
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2025
USD ($)
period
shares
OmniAb    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Unrecognized stock-based compensation expense $ 21.5 $ 21.5
Ligand    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Unrecognized stock-based compensation expense 0.1 0.1
Aggregate intrinsic value of options exercised   $ 0.0
Stock options    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Expiration period   10 years
Stock options | OmniAb    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Weighted-average period for recognition   1 year 3 months 7 days
Stock options | Ligand    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Weighted-average period for recognition   2 months 12 days
Restricted stock units    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Award vesting period   3 years
Restricted stock units | OmniAb    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Weighted-average period for recognition   1 year 4 months 28 days
Unrecognized stock-based compensation expense related to RSUs and ESPP 6.4 $ 6.4
Intrinsic value of RSUs vested   $ 2.0
Performance restricted stock units    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Award vesting period   3 years
Achievement level, percentage   158.00%
Performance restricted stock units | Minimum    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Award vesting period, percentage   0.00%
Performance restricted stock units | Maximum    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Award vesting period, percentage   200.00%
Employee share purchase plan    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Weighted-average period for recognition   1 year 3 months 21 days
Unrecognized stock-based compensation expense related to RSUs and ESPP $ 0.8 $ 0.8
Series of offering periods   24 months
Number of offering periods | period   4
Offering period   6 months
Purchase price of common stock expressed as a percentage of its fair value   85.00%
Shares available to be issued under ESPP (in shares) | shares 3,768,385 3,768,385
Increase in shares available for issuance, percent 0.01  
Shares issued (in shares) | shares   274,625
Share-Based Payment Arrangement, Tranche One    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Award vesting period   6 months
Award vesting period, percentage   12.50%
Share-Based Payment Arrangement, Tranche Two    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Award vesting period   42 months
Award vesting period, percentage   2.10%