Intangible Assets, net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 134,783	$ 134,783
Accumulated Amortization	(27,377)	(16,456)
Net Book Value	$ 107,406	$ 118,327
Barhemsys intangible
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	9 years	9 years
Gross Carrying Amount	$ 70,319	$ 70,319
Accumulated Amortization	(8,448)	(4,462)
Net Book Value	$ 61,871	$ 65,857
Byfavo intangible
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	9 years	9 years
Gross Carrying Amount	$ 33,714	$ 33,714
Accumulated Amortization	(3,783)	(1,989)
Net Book Value	$ 29,931	$ 31,725
Ryanodex intangible
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	9 years	9 years
Gross Carrying Amount	$ 15,000	$ 15,000
Accumulated Amortization	(8,794)	(7,402)
Net Book Value	$ 6,206	$ 7,598
PEMFEXY Intangible
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	2 years	2 years
Gross Carrying Amount	$ 15,000	$ 15,000
Accumulated Amortization	(5,602)	(1,888)
Net Book Value	$ 9,398	$ 13,112
Vasopressin Milestone
Finite-Lived Intangible Assets [Line Items]
Useful Life (In Years)	1 year	1 year
Gross Carrying Amount	$ 750	$ 750
Accumulated Amortization	(750)	(715)
Net Book Value	$ 0	$ 35