XML 60 R50.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock-Based Compensation Stock Options, Stock Awards, and Stock in Lieu of Directors' Fees (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2017
shares
Mar. 31, 2017
USD ($)
plans
shares
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Jan. 04, 2016
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of Individual Stock Incentive Plans | plans   2      
Shares remaining available for future grants | shares   439,379      
Stock-based compensation expense   $ 324 $ 443    
Number of shares issued in lieu of cash to directors | shares 12,992        
Fair market share price | $ / shares         $ 22.04
Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense   $ 62 79    
Restricted stock | Employee          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period   4 years      
Restricted stock | Director          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period   2 years      
Restricted stock and common stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense   $ 187 294    
Common stock in lieu of cash | Director          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense   $ 75 $ 70 $ 286  
Vesting, Year Two | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options granted, vesting percentage   50.00% 50.00%    
Vesting, Year Four | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options granted, vesting percentage   50.00% 50.00%