XML 68 R55.htm IDEA: XBRL DOCUMENT v3.3.1.900
Share-Based Payments - Employee Stock Option Plans (Details)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended 24 Months Ended 30 Months Ended
Jun. 30, 2005
shares
Jun. 30, 2003
shares
Dec. 31, 2015
USD ($)
plan
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Dec. 31, 1999
shares
Jun. 30, 2002
shares
Dec. 12, 2014
shares
Share-based Compensation Arrangement by Share-based Payment Award              
Number of share-based compensation plans | plan     2        
Share-based payment award, expiration period     10 years        
Share-based payment award, options, outstanding, number     1,028,935 1,040,081      
Weighted average per share fair value of options granted (in usd per share) | $ / shares     $ 5.27 $ 4.85      
Total intrinsic value of options exercised | $     $ 404 $ 401      
Proceeds from options exercised | $     463 1,337      
Tax benefit from compensation cost related to stock options | $     41 $ 211      
Nonvested awards, total compensation cost not yet recognized, stock options | $     $ 919        
Nonvested awards, total compensation cost not yet recognized, period for recognition     2 years 1 month 2 days        
Employee Stock Option              
Share-based Compensation Arrangement by Share-based Payment Award              
Stock-based compensation expense | $     $ 552        
Director and Officer              
Share-based Compensation Arrangement by Share-based Payment Award              
Award vesting period     3 years        
Employee              
Share-based Compensation Arrangement by Share-based Payment Award              
Award vesting period     4 years        
Incentive Plan, 1998              
Share-based Compensation Arrangement by Share-based Payment Award              
Options, grants in period, gross         1,066,000 1,248,250  
Award vesting period         9 years 9 months 18 days 6 years  
Share-based payment award, accelerated vesting, number 300,494 637,089          
Share-based payment award, number of shares authorized     2,500,000        
Share-based payment award, options, outstanding, number     345,000        
Number of options authorized and unissued     0        
Equity Incentive Plan, 2007              
Share-based Compensation Arrangement by Share-based Payment Award              
Share-based payment award, number of shares authorized             2,000,000
Share-based payment award, options, outstanding, number     683,935        
Number of options authorized and unissued     1,049,918