Employee Benefit Plans (Summary Of Components Of Net Periodic Benefit Cost) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Benefit Plans [Abstract]
Service cost	$ 275,000	$ 36,000	$ 46,000
Interest cost	244,000	240,000	258,000
Expected return on plan assets	(262,000)	(267,000)	(244,000)
Amortization of prior service cost		46,000
Net periodic pension cost	$ 257,000	$ 55,000	$ 60,000