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SHARE-BASED COMPENSATION PLANS (Details)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 08, 2016
Individual
shares
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
Employee
$ / shares
shares
Equity Incentive Plan 2011 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of employees to whom restricted common shares were allocated | Employee       10
Total compensation cost for the period | $   $ 0.3 $ 0.3  
Restricted shares -Employees [Roll Forward]        
Granted during the year (in shares)       33,000
Amended and Restated 2011 Equity Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Additional restricted shares issued to management and members of the board of directors (in shares) 137,665      
Individuals In Management and Board Participating In Incentive Plan | Individual 30      
Employees [Member]        
Restricted shares -Employees [Roll Forward]        
Non-vested at beginning of period (in shares)     33,000  
Granted during the year (in shares)     137,665  
Vested during the year (in shares)     0  
Forfeited during the year (in shares)     0  
Non-vested at end of period (in shares)     170,665 33,000
Weighted-average grant-date fair value - Employees [Abstract]        
Non-vested at beginning of period (in dollars per share) | $ / shares     $ 9.84  
Granted during the year (in dollars per share) | $ / shares     14.65  
Vested during the year (in dollars per share) | $ / shares     0  
Forfeited during the year (in dollars per share) | $ / shares     0  
Non-vested at end of period (in dollars per share) | $ / shares     $ 13.72 $ 9.84