Annual report pursuant to Section 13 and 15(d)

SHARE-BASED COMPENSATION (Details)

v3.8.0.1
SHARE-BASED COMPENSATION (Details)
12 Months Ended
Nov. 17, 2017
$ / shares
shares
Jun. 16, 2017
$ / shares
shares
Nov. 17, 2016
$ / shares
shares
May 17, 2016
$ / shares
shares
Mar. 01, 2016
$ / shares
shares
Jan. 29, 2016
$ / shares
shares
May 20, 2015
$ / shares
shares
Apr. 14, 2015
Employee
$ / shares
shares
Feb. 12, 2015
$ / shares
shares
Feb. 10, 2015
$ / shares
shares
Feb. 21, 2014
Dec. 31, 2017
USD ($)
$ / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
May 08, 2013
shares
Oct. 23, 2008
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 2,707,000 $ 2,552,000 $ 2,353,000    
Restricted Stock and Restricted Stock Unit Awards [Member]                                
Shares of Restricted Stock Units [Roll Forward]                                
Outstanding at beginning of period (in shares)                       350,891        
Granted (in shares)                       142,650        
Forfeited (in shares)                       (21,201)        
Vested (in shares)                       (84,638)        
Outstanding at end of period (in shares)                       387,702 350,891      
Expected to vest (in shares)                       380,992        
Weighted Average Grant Date Price per Share [Abstract]                                
Outstanding at beginning of period (in dollars per share) | $ / shares                       $ 11.44        
Granted (in dollars per share) | $ / shares                       11.49        
Forfeited (in dollars per share) | $ / shares                       10.52        
Vested (in dollars per share) | $ / shares                       12.00        
Outstanding at end of period (in dollars per share) | $ / shares                       $ 11.39 $ 11.44      
Unrecognized compensation cost related to non-vested share-based compensation | $                       $ 3,000,000        
Weighted average recognition period                       2 years        
Stock Options [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Number of shares register under stock option plans (in shares)                             1,500,000 1,000,000
Compensation expense | $                       $ 1,261,000 $ 1,456,000 1,645,000    
Shares of Restricted Stock Units [Roll Forward]                                
Expected to vest (in shares)                       125,000        
Weighted Average Grant Date Price per Share [Abstract]                                
Unrecognized compensation cost related to non-vested share-based compensation | $                       $ 400,000        
Weighted average recognition period                       2 months 12 days        
Officer [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 282,000        
Percentage of stock vests ratably over three years   50.00%                            
Percentage of stock vests at the end of the three years   50.00%                            
Vesting period of stock vests ratably over three years                       3 years        
Vesting period of stock vests at the end of three years                       3 years        
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)   127,281                            
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares   $ 11.40                            
Director [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 74,000 58,000 43,000    
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)             30,000                  
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares             $ 12.39                  
Vesting period                       5 years        
Vesting percentage             20.00%                  
Director [Member] | Restricted Stock and Restricted Stock Unit Awards [Member] | Vesting through 2018 [Member]                                
Weighted Average Grant Date Price per Share [Abstract]                                
Vesting percentage 40.00%                              
Director [Member] | Restricted Stock and Restricted Stock Unit Awards [Member] | Vesting through 2019 [Member]                                
Weighted Average Grant Date Price per Share [Abstract]                                
Vesting percentage 40.00%                              
Director [Member] | Restricted Stock and Restricted Stock Unit Awards [Member] | Vesting through 2020 [Member]                                
Weighted Average Grant Date Price per Share [Abstract]                                
Vesting percentage 20.00%                              
Director [Member] | Stock Options [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 0 0 9,000    
Weighted Average Grant Date Price per Share [Abstract]                                
Vesting period                       5 years        
Director 1 [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 75,000 50,000      
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)     25,105                          
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares     $ 11.95                          
Vesting period                       4 years        
Vesting percentage     25.00%                          
Director 2 [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 75,000 12,500      
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)     21,967                          
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares     $ 11.95                          
Vesting period                       3 years 6 months        
Period for equal increments                       3 years        
Period for one-half increments                       6 months        
Director 3 [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 75,000 50,000      
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)       28,090                        
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares       $ 10.68                        
Vesting period                       4 years        
Vesting percentage       25.00%                        
Officer and Key Employees 1 [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 422,000 352,000      
Percentage of stock vests ratably over three years         50.00%                      
Percentage of stock vests at the end of the three years         50.00%                      
Vesting period of stock vests ratably over three years                       3 years        
Vesting period of stock vests at the end of three years                       3 years        
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)         134,931                      
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares         $ 9.39                      
Vesting period                       3 years        
Director 4 [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 6,000 142,000      
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)           35,333                    
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares           $ 10.52                    
Vesting period                       5 years        
Vesting percentage           20.00%                    
Director 5 [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 6,000        
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares) 15,369                              
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares $ 12.20                              
Vesting period                       2 years 6 months        
Employees [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                           12,000    
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)               1,000                
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares               $ 12.03                
Number of employees | Employee               2                
Years with the company                       30 years        
Officer and Key Employees [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 431,000 431,000 395,000    
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)                   118,040            
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares                   $ 14.59            
Vesting period                       4 years        
Vesting percentage                   25.00%            
Various Employees [Member] | Restricted Stock and Restricted Stock Unit Awards [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                           258,000    
Shares of Restricted Stock Units [Roll Forward]                                
Granted (in shares)                 18,000              
Weighted Average Grant Date Price per Share [Abstract]                                
Granted (in dollars per share) | $ / shares                 $ 14.34              
Various Employees [Member] | Stock Options [Member]                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Compensation expense | $                       $ 1,109,000 $ 1,108,000 $ 1,108,000    
Weighted Average Grant Date Price per Share [Abstract]                                
Vesting period                       4 years        
Vesting percentage                     25.00%