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SHARE-BASED COMPENSATION - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Deferred compensation arrangement with individual, shares authorized for issuance (in shares) 1,200,000    
Shares available to be issued under stock-based incentive plan (in shares) 699,992    
Options granted during the period (in shares) 0 0 0
Unrecognized compensation cost $ 0    
Options assumed pursuant to acquisition of Fidelity (in shares) 576,588    
Share-based compensation expense $ 3,424,000 $ 6,241,000 $ 3,316,000
Restricted stock weighted average period 1 year 4 months 24 days    
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 5 years    
Share-based compensation expense $ 0 0 0
Income tax benefit related to compensation expense $ 0 $ 24,000 $ 248,000
Employee Stock Option | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 10 years    
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding restricted shares (in shares) 182,401 161,746 277,815
Share-based compensation expense $ 3,400,000 $ 6,200,000 $ 3,300,000
Income tax benefit related to compensation expense 113,000 818,000 698,000
Deferred compensation expense 460,000    
Unearned compensation related to restricted stock $ 3,700,000 $ 3,300,000 $ 4,500,000
Restricted Stock | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 5 years    
Restricted Stock | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period 1 year