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Stock-Based Compensation - Additional Information (Detail)
$ in Millions
Jun. 30, 2020
USD ($)
Options and Performance-based Options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation expense related to options $ 6.8
RSUs  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation expense related to non-option $ 3.2