Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Stock Option Award Activity - Additional Information (Detail)

v3.20.1
Stock Based Compensation - Stock Option Award Activity - Additional Information (Detail)
Mar. 31, 2020
USD ($)
Employee Stock Option [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Employee service share-based compensation, nonvested awards, compensation not yet recognized, stock options $ 0