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SHARE-BASED COMPENSATION - Summary (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Feb. 12, 2018
$ / shares
shares
Feb. 07, 2017
$ / shares
shares
Dec. 31, 2018
USD ($)
installment
plan
$ / shares
shares
Dec. 31, 2017
USD ($)
$ / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of share-based compensation plans (shares) | plan     1    
Number of shares authorized (shares)     10,400,000    
Award vesting period     5 years    
Share-based compensation expense | $     $ 3,744 $ 3,907 $ 4,681
Share-based compensation cost capitalized as part of real estate assets | $     287 $ 405 $ 351
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 | $     $ 4,596    
Compensation cost to be recognized over a weighted average period     2 years 6 months    
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 (shares)     642,359    
Granted (shares)     693,064    
Vested (shares)     (443,159)    
Forfeited (shares)     (16,767)    
Nonvested, end of period (shares)     875,497 642,359  
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 (USD per share) | $ / shares     $ 13.23    
Weighted average grant-date fair value, granted (USD per share) | $ / shares     4.55 $ 10.75 $ 10.02
Weighted average grant-date fair value, vested (USD per share) | $ / shares     10.15    
Weighted average grant-date fair value, forfeited (USD per share) | $ / shares     9.10    
Weighted average grant-date fair value, nonvested, ending of period (USD per share) | $ / shares     $ 7.99 $ 13.23  
Total fair value of shares vested | $     $ 2,189 $ 2,791 $ 2,605
Vesting rate (as a percent)     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 | $     $ 1,364 $ 1,501 $ 1,033
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Nonvested, beginning of period (shares)     560,371    
Granted (shares)     741,977 277,376 282,995
Canceled (shares)     (252,538)    
Forfeited (shares)     (138,899)    
Nonvested, end of period (shares)     910,911 560,371  
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 (USD per share) | $ / shares     $ 5.91    
Weighted average grant-date fair value, granted (USD per share) | $ / shares     2.63 $ 6.86 $ 4.98
Weighted average grant-date fair value, canceled (USD per share) | $ / shares     4.41    
Weighted average grant-date fair value, forfeited (USD per share) | $ / shares     4.22    
Weighted average grant-date fair value, nonvested, ending of period (USD per share) | $ / shares $ 4.76 $ 6.86 $ 4.67 $ 5.91  
Unrecognized compensation cost related to nonvested stock awards | $     $ 1,594    
Compensation cost to be recognized over a weighted average period     3 years 2 months    
Service period     3 years    
Number of shares authorized to be granted annually (shares)     200,000    
Shares granted in period classified as liabilities (shares)     381,749    
Risk-free interest rate (as a percent) 2.36% 1.53%      
Expected share price volatility (as a percent) 42.02% 32.85%      
Performance Shares | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Granted (shares) 240,164 115,082      
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 (USD per share) | $ / shares $ 3.13 $ 5.62      
Performance Shares | Officer          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Granted (shares) 120,064 162,294      
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 (USD per share) | $ / shares $ 1.63 $ 7.74      
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 rate (as a percent)     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 rate (as a percent)     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 rate (as a percent)     20.00%