v3.26.1
Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 31, 2010
cvr
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Assets:            
Pelthos Common Shares   $ 42,390   $ 42,390   $ 46,500
Derivative asset   18,836   18,836   15,632
Total assets   509,152   $ 509,152   $ 726,988
Derivative Asset Statement Of Financial Position Extensible Enumeration Not Disclosed Flag       Derivative assets(2)   Derivative assets(2)
Liabilities:            
Derivative liabilities   824   $ 824   $ 0
Total liabilities   3,416   3,416   3,221
Number of CVR series | cvr 4          
Metabasis            
Liabilities:            
Number of CVRs issued per acquiree share | cvr 4          
Number of CVRs issued from each CVR series | cvr 1          
Frequency of cash payments to CVR holders 6 months          
(Decrease) increase of mark-to-market adjustment of CVR liability   (1,100) $ 100 (500) $ 1,900  
Short-Term Investments            
Assets:            
Investments, fair value   351,056   351,056   558,594
Preferred Stock            
Assets:            
Investments, fair value   96,870   96,870   106,262
Contingent liabilities | CyDex            
Liabilities:            
Contingent liabilities   352   352   395
Contingent liabilities | Metabasis            
Liabilities:            
Contingent liabilities   2,240   2,240   2,826
Level 1            
Assets:            
Pelthos Common Shares   42,390   42,390   46,500
Derivative asset   0   0   0
Total assets   285,539   285,539   336,744
Liabilities:            
Derivative liabilities   0   0   0
Total liabilities   0   0   0
Level 1 | Short-Term Investments            
Assets:            
Investments, fair value   146,279   146,279   183,982
Level 1 | Preferred Stock            
Assets:            
Investments, fair value   96,870   96,870   106,262
Level 1 | Contingent liabilities | CyDex            
Liabilities:            
Contingent liabilities   0   0   0
Level 1 | Contingent liabilities | Metabasis            
Liabilities:            
Contingent liabilities   0   0   0
Level 2            
Assets:            
Pelthos Common Shares   0   0   0
Derivative asset   13,586   13,586   10,643
Total assets   218,363   218,363   385,255
Liabilities:            
Derivative liabilities   824   824   0
Total liabilities   3,064   3,064   2,826
Level 2 | Short-Term Investments            
Assets:            
Investments, fair value   204,777   204,777   374,612
Level 2 | Preferred Stock            
Assets:            
Investments, fair value   0   0   0
Level 2 | Contingent liabilities | CyDex            
Liabilities:            
Contingent liabilities   0   0   0
Level 2 | Contingent liabilities | Metabasis            
Liabilities:            
Contingent liabilities   2,240   2,240   2,826
Level 3            
Assets:            
Pelthos Common Shares   0   0   0
Derivative asset   5,250   5,250   4,989
Total assets   5,250   5,250   4,989
Liabilities:            
Derivative liabilities   0   0   0
Total liabilities   352   352   395
Level 3 | Short-Term Investments            
Assets:            
Investments, fair value   0   0   0
Level 3 | Preferred Stock            
Assets:            
Investments, fair value   0   0   0
Level 3 | Contingent liabilities | CyDex            
Liabilities:            
Contingent liabilities   352   352   395
Level 3 | Contingent liabilities | Metabasis            
Liabilities:            
Contingent liabilities   $ 0   $ 0   $ 0