STOCK BASED COMPENSATION (Summary Of Stock Option Activity) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares
Shares, Outstanding at beginning of the year | shares	9,000
Shares, Granted | shares	0
Shares, Exercised | shares	(1,500)
Shares, Forfeited | shares	0
Shares, Outstanding at end of the year | shares	7,500
Shares, Options exercisable at end of the year | shares	7,500
Weighted-Average Exercise Price, Outstanding at beginning of the year | $ / shares	$ 16.03
Weighted-Average Exercise Price, Granted | $ / shares	0
Weighted-Average Exercise Price, Exercised | $ / shares	16.03
Weighted-Average Exercise Price, Forfeited | $ / shares	0
Weighted-Average Exercise Price, Outstanding at end of year | $ / shares	16.03
Weighted-Average Exercise Price, Options exercisable at end of the year | $ / shares	$ 16.03
Weighted-Average Remaining Contractual Term (years), Outstanding at end of the year	4 months 24 days
Weighted-Average Remaining Contractual Term (years), Options exercisable at end of the year	4 months 24 days
Aggregate Intrinsic Value, Outstanding at end of the year | $	$ 243
Aggregate Intrinsic Value, Options exercisable at end of the year | $	$ 243