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SHARE-BASED COMPENSATION (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Feb. 07, 2017
$ / shares
shares
Feb. 10, 2016
$ / shares
Dec. 31, 2017
USD ($)
installment
plan
$ / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of share-based compensation plans (in shares) | plan     1    
Number of shares authorized (in shares)     10,400,000    
Award vesting period     5 years    
Share-based compensation expense | $     $ 3,907 $ 4,681 $ 4,287
Share-based compensation cost capitalized as part of real estate assets | $     405 $ 351 $ 274
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Unrecognized compensation cost related to nonvested stock awards | $     $ 5,914    
Compensation cost to be recognized over a weighted average period     2 years 7 months    
Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Granted (in shares) 115,082        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Weighted average grant-date fair value, nonvested, ending of period (in dollars per share) | $ / shares $ 5.62        
Officer          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Granted (in shares) 162,294        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Weighted average grant-date fair value, nonvested, ending of period (in dollars per share) | $ / shares $ 7.74        
Restricted Common Stock          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Nonvested, beginning of period (in shares)     602,162    
Granted (in shares)     326,739    
Vested (in shares)     (276,467)    
Forfeited (in shares)     (10,075)    
Nonvested, end of period (in shares)     642,359 602,162  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Weighted average grant-date fair value, nonvested, beginning of period (in dollars per share) | $ / shares     $ 15.41    
Weighted average grant-date fair value, granted (in dollars per share) | $ / shares     10.75 $ 10.02 $ 20.30
Weighted average grant-date fair value, vested (in dollars per share) | $ / shares     15.07    
Weighted average grant-date fair value, forfeited (in dollars per share) | $ / shares     12.97    
Weighted average grant-date fair value, nonvested, ending of period (in dollars per share) | $ / shares     $ 13.23 $ 15.41  
Total fair value of shares vested | $     $ 2,791 $ 2,605 $ 4,298
Vesting percentage     20.00%    
Number of annual installments (installment) | installment     4    
Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense | $     $ 1,501 $ 1,033 $ 624
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Nonvested, beginning of period (in shares)     421,675    
Granted (in shares)     277,376 282,995 138,680
Forfeited (in shares)     (138,680)    
Nonvested, end of period (in shares)     560,371 421,675  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Weighted average grant-date fair value, nonvested, beginning of period (in dollars per share) | $ / shares     $ 8.45    
Weighted average grant-date fair value, granted (in dollars per share) | $ / shares     6.86 $ 4.98 $ 15.52
Weighted average grant-date fair value, forfeited (in dollars per share) | $ / shares     15.52    
Weighted average grant-date fair value, nonvested, ending of period (in dollars per share) | $ / shares $ 6.86 $ 4.98 $ 5.91 $ 8.45  
Unrecognized compensation cost related to nonvested stock awards | $     $ 2,162    
Compensation cost to be recognized over a weighted average period     3 years 6 months    
Service period     3 years    
Risk-free interest rate 1.53% 0.92%      
Expected share price volatility 32.85% 30.95%      
Performance Shares | Vested at conclusion of performance period          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Vesting percentage     60.00%    
Performance Shares | Remaining percentage after performance period          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Vesting percentage     40.00%    
Performance Shares | Vested each year for the first two anniversaries after conclusion of performance period          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]          
Vesting percentage     20.00%