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SUMMARY OF SIGNIFICANT ACCOUNTING AND REPORTING POLICIES Subsequent Event (Details) - $ / shares
2 Months Ended 12 Months Ended
Jan. 28, 2016
Mar. 02, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Subsequent Event [Line Items]          
Treasury Stock, Shares, Acquired     0 0 90,300
Subsequent Event          
Subsequent Event [Line Items]          
Subsequent Event, Date Jan. 28, 2016        
Subsequent Event, Description Board of Directors approved a Stock Repurchase Plan        
Stock Repurchase Program, Percent of Issued and Outstanding Shares Authorized to be Repurchased 5.00%        
Stock Repurchase Program, Number of Shares Authorized to be Repurchased 1,270,000        
Treasury Stock, Shares, Acquired   424,701      
Treasury Stock Acquired, Average Cost Per Share   $ 22.89