STOCK COMPENSATION PLAN - Stock Option, and Restricted Stock and Restricted Stock Unit Activity (Details) - $ / shares	1 Months Ended				12 Months Ended
	Nov. 30, 2016	Feb. 29, 2016	Dec. 31, 2015	Feb. 28, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock Options, Outstanding, beginning of period (in shares)					0	0	800
Stock Options, Forfeited and expired (in shares)							(800)
Stock Options, Outstanding, end of period (in shares)			0		0	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price, Balance, beginning of period (in dollars per share)						$ 0.00	$ 27.50
Weighted Average Exercise Price, Forfeited and expired (in dollars per share)							27.50
Weighted Average Exercise Price, Balance, end of period (in dollars per share)							$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Shares withheld for withholding taxes (in shares)					92,092	82,740	22,328
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted Stock, Outstanding, beginning of period (in shares)					764,800	773,400	120,000
Restricted Stock, Granted (in shares)	93,458	32,082	145,084	75,551	125,500	220,600	693,378
Restricted Stock, Vested (in shares)					(221,700)	(171,700)	(40,000)
Restricted Stock, Forfeited (in shares)					(257,600)	(57,500)
Restricted Stock, Outstanding, end of period (in shares)			764,800		411,000	764,800	773,400
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Outstanding, beginning of period (in dollars per share)					$ 30.39	$ 30.37	$ 24.80
Weighted Average Grant Date Fair Value, Granted (in dollars per share)					31.86	29.46	31.01
Weighted Average Grant Date Fair Value, Vested (in dollars per share)					29.51	29.09	24.80
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share)					31.05	30.44
Weighted Average Grant Date Fair Value, Outstanding, end of period (in dollars per share)			$ 30.39		$ 30.78	$ 30.39	$ 30.37