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Subsequent Events - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Aug. 01, 2017
Jul. 03, 2017
Jun. 30, 2017
Jun. 30, 2017
Jul. 31, 2017
Dec. 31, 2016
Common stock, shares issued     34,118,994 34,118,994   33,844,074
Exercised number of shares       149,903    
Selling, general and administrative | Spectrum Inc.            
Business Combination, Acquisition Related Costs     $ 2,395 $ 2,395    
Subsequent Event            
Common stock, shares issued   2,807,017     3,228,069  
Common stock issue price per share   $ 42.75     $ 42.75  
Net proceeds from public offering   $ 129,400        
Subsequent Event | Spectrum Inc.            
Cash payment to acquire business $ 124,200          
Shares issued for business acquisition 6,153,995          
Value of common stock issued $ 247,575          
Purchase Price Business Acquisition 371,812          
Fair value of net assets acquired $ 371,812          
Subsequent Event | Underwriters | Common Stock            
Exercised number of shares   421,052