Revenue - Summary of Gross-To-Net ("GTN") Adjustments (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Apr. 12, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Product revenue, gross				$ 17
Adjustments To prior period accruals
Product revenue, net		$ 8,243	$ 487	10,772	$ 1,276
Collaboration revenue - Upfront payment
Disaggregation of Revenue [Line Items]
Product revenue, gross		10,407	149	10,597	398
GTN accruals
Chargebacks and cash discounts		(222)	(5)	(228)	(13)
Medicaid and Medicare rebates		(1,003)	(18)	(1,018)	(46)
Other returns, rebates, discounts and adjustments		(2,196)	(35)	(2,235)	(92)
Total GTN accruals		(3,421)	(58)	(3,481)	(151)
Product revenue		6,986	91	7,116	247
Adjustments To prior period accruals
Returns reserve & GTN accrual adjustments		(132)	(349)	(132)	(349)
GTN accrual adjustments		86	210	86	210
Product revenue, net		6,940	(48)	7,070	108
XENLETA
Disaggregation of Revenue [Line Items]
Product revenue, gross		120	$ 149	$ 310	$ 398
Adjustments To prior period accruals
Percentage of inventory held				50.00%
SIVEXTRO
Disaggregation of Revenue [Line Items]
Product revenue, gross	$ 10,300	$ 10,287		$ 10,287