Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY NARRATIVE (Details)

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STOCKHOLDERS' EQUITY NARRATIVE (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 24, 2017
Jan. 24, 2017
Apr. 08, 2016
Jun. 30, 2017
Mar. 31, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Apr. 07, 2016
Jan. 12, 2016
Jul. 28, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Common Stock, Dividends, Per Share, Declared $ 0.10 $ 0.09   $ 0.45   $ 0.06 $ 0.89 $ 0.11      
CommonStockSpecialDividendsPerShareDeclared $ 0.35 $ 0.35                  
Dividends, Common Stock, Cash $ 3,964,000 $ 3,962,000                  
Dividends, Cash $ 1,133,000 $ 1,019,000         $ 10,078,000        
Share-based compensation expense       $ 8,600   $ 10,000 $ 17,300 $ 84,000      
Additional stock-based compensation expense         $ 64,000            
Stock repurchase program, amount authorized                   $ 70,000,000.0 $ 15,000,000.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount         $ 32,000,000.0            
Common Stock, Dividends, Per Share, Cash Paid             $ 0.89        
Restricted Stock                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Granted (in shares)     56,260       0        
Award vesting period (in years)     3 years                
Share-based compensation expense not yet recognized       $ 18,500     $ 18,500        
Recognition period for compensation costs not yet recognized (in years)             6 months        
Equity Incentive Plan 2016 | Common Stock                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Shares authorized                 2,500,000    
Equity Incentive Plan 2016 | Restricted Stock                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Granted (in shares)             56,260