XML 60 R49.htm IDEA: XBRL DOCUMENT v3.21.2
Restructuring (Details) - Workforce realignment
$ in Millions
3 Months Ended
Sep. 30, 2021
USD ($)
employee
Restructuring Cost and Reserve [Line Items]  
Reduction in workforce | employee 83
Reduction in workforce (percent) 33.00%
Notice period for impacted employees cash payments and benefits 60 days
Restructuring charges $ 3.6
Research and development expenses  
Restructuring Cost and Reserve [Line Items]  
Restructuring charges 1.2
General and administrative expense  
Restructuring Cost and Reserve [Line Items]  
Restructuring charges $ 2.4