XML 72 R85.htm IDEA: XBRL DOCUMENT v3.20.1
Stock-Based Compensation - Additional Information (Detail)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Dec. 11, 2019
Sep. 03, 2013
Sep. 30, 2006
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2014
shares
Dec. 31, 2013
shares
Apr. 24, 2019
shares
May 24, 2018
shares
May 25, 2017
shares
Jun. 08, 2016
shares
May 07, 2015
shares
Oct. 29, 2013
shares
Dec. 31, 2011
shares
Dec. 31, 2009
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Reverse stock split, conversion ratio 0.07692307692000                            
Common stock, capital shares               4,072,308 3,149,231 1,995,385          
Stock-based compensation expense | $       $ 11,508 $ 9,039                    
Intrinsic value of options exercised | $       200 9,300                    
Proceeds from options exercised | $       $ 500 $ 7,100                    
Granted (in shares)       623,272 669,662                    
Grant date fair value (in dollars per share) | $ / shares       $ 21.23 $ 20.67                    
Unrecognized employee | $       $ 19,600                      
Weighted average period       1 year 4 months 24 days                      
Expected dividend yield       0.00% 0.00%                    
Incentive Compensation Plan 2006                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Award limitations for options (in shares)     6,154                        
Stock option, number of shares                           259,861 85,389
Options vesting period       4 years                      
Options expiration period       10 years                      
Stock Appreciation Rights (SARs) | Incentive Compensation Plan 2007                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Award limitations for options (in shares)           76,923 15,385                
Other Stock Based Awards                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Weighted average period       2 years 6 months                      
Other Stock Based Awards | Incentive Compensation Plan 2007                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Award limitations for options (in shares)           38,462 7,692                
June 19, 2012 Amendment                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Common stock, capital shares                         76,923    
October 29, 2013 Amendment                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Common stock, capital shares                         380,000    
May 7, 2015 Amendment                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Common stock, capital shares                       918,462      
June 8, 2016 Amendment                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Common stock, capital shares                     1,456,923        
Merger Agreement                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Option exchange ratio   0.0887