Revision of Prior Period Financial Statements - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	48 Months Ended	51 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2020	Jun. 30, 2020	Jan. 01, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Increase to accumulated deficit		$ 1,015,201		$ 1,051,153
Revision of Prior Period, Error Correction, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Governmental rebates	$ 1,800	(6,300)	$ (6,300)
Increase to accumulated deficit		$ 6,303			$ 5,100