STOCK-BASED COMPENSATION PLANS (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended		0 Months Ended		6 Months Ended		0 Months Ended				0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Feb. 25, 2014 Long Term Performance Share Plan	Mar. 07, 2014 Management Stock Purchase Plan	Jun. 30, 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]
Share-based compensation arrangement by share-based payment award, discount from market price, purchase date					33.00%
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 Price						$ 39.57				$ 37.50
Performance period over which net income growth is measured								3 years
Stock-based compensation expense	$ 431	$ 159							$ 106