Development and Commercialization Agreement (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Upfront payment received included in current deferred revenue			$ 40,000
Maximum payment from regulatory milestones achieved			40,000
Maximum payment from sales-related milestones achieved			107,500
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining transaction price			$ 50,000
Change in contract liability		$ (23,333)
Decrease in contract liability from regulatory milestones achieved		33,333
Increase in contract liability from regulatory milestones achieved	$ 10,000	10,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining transaction price		$ 16,700
Recognition period for remaining transaction price		9 months