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SHAREHOLDERS' EQUITY (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Repurchases of common stock $ 61,000   $ 5,061,000  
Remaining authorized repurchase amount   $ 10,000,000    
Securities Offerings, reserved for future issuance $ 150,000,000   $ 150,000,000  
Granted (in shares)   140,156 133,208  
Reserved for future issuance (in shares) 800,000   800,000  
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award requisite service period   1 year    
Granted (in shares)   140,156    
Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   3 years    
Minimum | Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Ultimate expense range, percent of target   0.00%    
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock repurchases authorized amount       $ 10,000,000.0
Award vesting period   5 years    
Maximum | Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Ultimate expense range, percent of target   250.00%