STOCK-BASED COMPENSATION Option Activity (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Range of Per Share Exercise Price
Outstanding, Minimum (dollars per share)	$ 14.37
Outstanding, Maximum (dollars per share)	$ 21.83
Granted, Minimum (dollars per share)	$ 0
Granted, Maximum (dollars per share)	$ 0
Exercised, Minimum (dollars per share)	$ 14.37
Exercised, Maximum (dollars per share)	$ 21.83
Forfeited, Minimum (dollars per share)	$ 0
Forfeited, Maximum (dollars per share)	$ 0
Outstanding, Minimum (dollars per share)	$ 17.17	$ 14.37
Outstanding, Maximum (dollars per share)	$ 17.31	$ 21.83
Exercisable, Minimum (dollars per share)	$ 17.17
Exercisable, Maximum (dollars per share)	$ 17.31
Shares Under Options
Outstanding (shares)	362,770
Granted (shares)	0
Exercised (shares)	(298,484)
Forfeited (shares)	0
Outstanding (shares)	64,286	362,770
Exercisable, Shares Under Options	42,857
Weighted Average Exercise Price Per Share
Outstanding (dollars per share)	$ 18.97
Granted (dollars per share)	$ 0.00
Exercised (dollars per share)	$ 19.35
Forfeited (dollars per share)	$ 0.00
Outstanding (dollars per share)	$ 17.22	$ 18.97
Exercisable (dollars per share)	$ 17.24
Additional Disclosures
Outstanding, Weighted Average Remaining Contractual Term (Years)	2 years 11 months	2 years 8 months
Exercisable, Weighted Average Remaining Contractual Term (Years)	2 years 8 months
Outstanding, Aggregate Intrinsic Value	$ 1,011,000
Outstanding, Aggregate Intrinsic Value	574,000	1,011,000
Exercisable, Aggregate Intrinsic Value	381,000
Intrinsic value of stock options exercised	1,800,000	200,000	200,000
Cash received for stock options exercised		500,000	500,000
Fair Value of stock options vested	$ 300,000	$ 600,000	$ 700,000