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Stock-Based Compensation - Additional Information (Detail) - $ / shares
4 Months Ended
May 21, 2014
Apr. 21, 2018
Jul. 13, 2019
Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options exercised   72,785  
Stock options exercise price   $ 10.87  
Options, Outstanding     0
Omnibus Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Additional awards that will be issued under the EPIP 0    
Awards granted, authorized amount 8,000,000