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Subsequent Event - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
May 03, 2019
Mar. 31, 2019
Apr. 25, 2019
Dec. 31, 2018
Transaction costs   $ 1,000    
Common stock, shares issued   44,073,998   43,917,378
Exercised number of shares   1,893    
C Technologies Acquisition   $ 500    
Subsequent Event [Member]        
Fair value of net assets acquired     $ 240,335  
Common stock, shares issued 3,144,531      
Common Stock Issue Price Per Share $ 64.00      
Net proceeds $ 190,200      
Subsequent Event [Member] | Underwriter [Member]        
Exercised number of shares 410,156      
C Technologies [Member] | Subsequent Event [Member]        
Fair value of net assets acquired     $ 240,300