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STOCK-BASED COMPENSATION PLANS (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
9 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Feb. 25, 2014
Long Term Performance Share Plan
Mar. 07, 2014
Management Stock Purchase Plan
Mar. 07, 2014
Management Stock Purchase Plan
Mar. 17, 2014
Defined Contribution Retirement Plan
Mar. 25, 2014
2013-2015 LTIP
May 01, 2014
Independent Directors' Equity Compensation Program
May 01, 2014
Independent Directors' Equity Compensation Program
Mar. 07, 2014
Restricted Stock
Equity and Incentive Plan 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock based compensation, number of shares vested     7,181              
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures     4,881         2,831    
Stock issued during period, shares, restricted stock award, net of forfeitures                   5,400
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value           $ 40.00       $ 39.57
Stock based compensation, vesting period       2 years           3 years
Stock based compensation, shares granted       5,055   2,020        
Share-based compensation arrangement by share-based payment award, discount from market price, purchase date       33.00%            
Share Price         $ 39.57       $ 37.50  
Performance period over which net income growth is measured             3 years      
Stock-based compensation expense $ 453 $ 340           $ 106