STOCK-BASED COMPENSATION (Schedule of Changes in Options Outstanding) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Stock Option Plans
Balance at Beginning	652,179
Granted	9,000
Exercised	(15,943)
Expired	(279,477)
Forfeited	(20,570)
Balance at End	345,189
Vested and expected to vest	314,132	[1]
Exercisable	242,565
Weighted Average Exercise Price
Balance at Beginning	$ 21.30
Granted	$ 18.86
Exercised	$ 12.54
Expired	$ 27.15
Forfeited	$ 13.27
Balance at End	$ 17.38
Vested and expected to vest	$ 17.75
Exercisable	$ 18.88
Weighted Average Remaining Contractual Term
Balance at End	5 years 4 months 2 days
Vested and Expected to Vest	5 years 4 months 2 days
Exercisable	4 years 5 months 8 days
Aggregate Intrinsic Value
Balance at End	$ 6,813
Vested and expected to vest	255
Exercisable	$ 109

[1] The difference between the shares which are exercisable (fully vested) and those which are expected to vest is due to anticipated forfeitures.