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EMPLOYEE SHARE PURCHASE AND DEFERRED SHARE PLAN (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee share purchase discount rate (in percent) 15.00%    
Employee share purchase maximum purchase amount $ 25,000    
Employee share purchase compensation expense 20,000 $ 20,000 $ 10,000
Trustee [Member] | Deferred Compensation [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Deferred compensation arrangement compensation expense $ 100,000    
Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee share purchase (in shares) 3,761 4,668 3,678