PENSION AND OTHER POSTRETIREMENT PLANS (Summary Of Benefit Plan) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Pension Plans, Defined Benefit [Member]
Change in benefit obligation:
Beginning benefit obligation	$ 2,795	$ 2,785
Interest cost	105	103	$ 119
Actuarial (gain)/loss	256	135
Benefits paid	(315)	(228)
Ending benefit obligation	2,841	2,795	2,785
Change in plan assets (primarily equity and fixed income investments and money market funds), at fair value:
Beginning plan assets	1,910	1,841
Actual return	151	(7)
Employer contribution	317	304
Benefits paid	(315)	(228)
Ending plan assets	2,063	1,910	1,841
Funded status at end of year	(778)	(885)
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Change in benefit obligation:
Beginning benefit obligation	1,223	1,267
Interest cost	45	46	50
Actuarial (gain)/loss	32	47
Benefits paid	(137)	(137)
Ending benefit obligation	1,163	1,223	1,267
Change in plan assets (primarily equity and fixed income investments and money market funds), at fair value:
Beginning plan assets	988	1,014
Actual return	73	1
Employer contribution	76	110
Benefits paid	(137)	(137)
Ending plan assets	1,000	988	$ 1,014
Funded status at end of year	$ (163)	$ (235)