XML 65 R54.htm IDEA: XBRL DOCUMENT v3.23.3
INTANGIBLE ASSETS AND GOODWILL - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Intangible assets        
Loss on impairment of intangible assets $ 238,831 $ 0 $ 238,831 $ 0
Amortization expense 10,184 $ 7,969 $ 22,752 $ 24,438
Spectrum Pharmaceuticals, Inc.        
Intangible assets        
Goodwill acquired during period $ 19,900