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SHARE-BASED COMPENSATION (Equity Incentive Plans and Stock Option Activity) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
May 31, 2007
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Apr. 30, 2013
Apr. 30, 2011
Mar. 31, 2011
Sep. 30, 2004
SHARE-BASED COMPENSATION                
Grants in period   0 0          
Stock Option                
SHARE-BASED COMPENSATION                
Equity instruments other than options, aggregate intrinsic value, outstanding   $ 900   $ 200        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value   $ 657            
Contractual terms   10 years            
Vested shares   0 0 0        
Grants in period   0 0 0        
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price   $ 0            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value   $ 944            
Shares                
Outstanding at the beginning of the period (in shares)   133,813            
Changes during the period                
Exercised (shares)   (86,373)            
Expired (in shares)   0            
Forfeited (in shares)   0            
Outstanding at the end of the period (in shares)   47,440 133,813          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number   47,440            
Weighted Average Exercise Price                
Outstanding at the beginning of the period (in dollars per share)   $ 14.31            
Changes during the period:                
Exercised (in dollars per share)   14.31            
Expired (in dollars per share)   0            
Forfeited (in dollars per share)   0            
Outstanding at the end of the period (in dollars per share)   14.32 $ 14.31          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price   $ 14.32            
Weighted Average Remaining Contractual Term                
Outstanding   3 months 18 days            
Vested and exercisable   3 months 18 days            
Aggregate Intrinsic Value                
Outstanding   $ 657            
Stock Option | Stock Compensation 2004 Plan                
SHARE-BASED COMPENSATION                
Shares authorized for grants           4,944,831 1,402,589 1,500,000
Additional shares authorized for grants 1,000,000 843,469 996,850 1,304,773        
Stock Option | Stock Option 2013 Plan                
SHARE-BASED COMPENSATION                
Shares authorized for grants         2,200,000      
Stock Option | Minimum                
SHARE-BASED COMPENSATION                
Vesting period   3 years            
Stock Option | Maximum                
SHARE-BASED COMPENSATION                
Vesting period   5 years