STOCK INCENTIVE AND STOCK OPTION PLANS (Restricted Stock Activity) (Details) - Restricted Stock [Member] - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested at beginning of year, Shares	1,005,892	716,156	112,315
Granted, Shares	273,269	349,900	613,841
Forfeited, Shares	(46,631)	(53,050)	(10,000)
Vested, Shares	(159,846)	(7,114)
Nonvested at end of year, Shares	1,072,684	1,005,892	716,156
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Nonvested at beginning of year, Weighted-Average Grant Date Fair Value	$ 18.78	$ 15.86	$ 13.08
Granted, Weighted-Average Grant Date Fair Value	23.16	23.17	16.38
Forfeited, Weighted-Average Grant Date Fair Value	19.28	18.18	16.38
Vested, Weighted-Average Grant Date Fair Value	22.48	13.33
Nonvested at end of year, Weighted-Average Grant Date Fair Value	$ 19.63	$ 18.78	$ 15.86