v3.26.3
Segment Reporting - Summary of Significant Segment Expenses (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
REVENUES:                
Total revenues $ 480,132     $ 394,185     $ 1,369,052 $ 1,091,352
EXPENSES:                
Cost of goods manufactured and sold (exclusive of amortization of acquired intangible assets shown below) 94,220     51,591     253,910 150,248
Internal R&D expenses:                
R&D expenses 121,120     81,739     337,385 230,926
Selling, general and administrative expenses:                
Total selling, general and administrative expense 208,502     171,773     690,720 514,326
NET (LOSS) INCOME 16,287 $ 501 $ (66,480) 82,761 $ 87,098 $ 22,464 (49,692) 192,323
Single Reporting Segment                
REVENUES:                
Total revenues 480,132     394,185     1,369,052 1,091,352
EXPENSES:                
Cost of goods manufactured and sold (exclusive of amortization of acquired intangible assets shown below) 94,220     51,591     253,910 150,248
Development programs:                
Alixorexton 39,092     25,812     93,387 67,461
LYBALVI 5,316     4,759     14,704 13,661
LUMRYZ 1,164     0     8,798 0
Other orexin programs 14,893     4,222     36,837 10,400
Other external R&D expenses 13,584     8,426     38,521 23,810
Total external R&D expenses 74,049     43,219     192,247 115,332
Internal R&D expenses:                
Employee-related 38,465     30,862     119,092 92,867
Occupancy 3,357     3,241     9,956 9,696
Depreciation 1,865     1,405     5,402 4,346
Other internal R&D expenses 3,384     3,012     10,688 8,685
Total internal R&D expenses 47,071     38,520     145,138 115,594
R&D expenses 121,120     81,739     337,385 230,926
Selling, general and administrative expenses:                
Selling and marketing expense 148,070     115,630     457,346 359,740
General and administrative expense 60,432     56,143     233,374 154,586
Total selling, general and administrative expense 208,502     171,773     690,720 514,326
Other segment expense [1] (40,003)     (6,321)     (136,729) (3,529)
NET (LOSS) INCOME $ 16,287     $ 82,761     $ (49,692) $ 192,323
[1] “Other segment expense” during the three and nine months ended September 30, 2026 and 2025, includes “Amortization of acquired intangible assets”, “Change in fair value of contingent consideration”, “Total other (expense) income, net” and “Income tax provision (benefit)”.