Quarterly report pursuant to Section 13 or 15(d)

Restructuring - Additional Information (Detail)

v3.20.1
Restructuring - Additional Information (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
Restructuring Cost and Reserve [Line Items]  
Restructuring charges $ 71
Prepaid Research And Development Costs [Member]  
Restructuring Cost and Reserve [Line Items]  
Restructuring charges $ 48,000