XML 62 R52.htm IDEA: XBRL DOCUMENT v3.7.0.1
Acquisitions - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Apr. 27, 2016
Apr. 30, 2016
Mar. 31, 2017
Dec. 31, 2016
Mar. 31, 2016
Dec. 31, 2016
Apr. 29, 2016
Business Acquisition [Line Items]              
Business acquisition share price     $ 23.00        
Stock-based compensation expense     $ 8,782   $ 4,152    
Minority Interest in Private Company [Member]              
Business Acquisition [Line Items]              
Investments in minority interest $ 9,300 $ 9,300          
Impairment charges       $ 5,000   $ 5,000  
Newport [Member]              
Business Acquisition [Line Items]              
Business acquisition share price             $ 23.00
Incremental cost of sale charges           15,090  
Fair value write-up of acquired property, plant and equipment     $ 36,242        
Compensation expense           5,816  
Stock-based compensation expense           $ 3,334