Investments (Schedule Of Changes In Accumulated Other Comprehensive Income) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Investments [Abstract]
Unrealized Holding Gains arising during the Period	$ 1,299,000	$ 425,000
Less: reclassification of gains included in net income	(794,000)	(73,000)
Total unrealized gains	505,000	352,000
Increase in Deferred Taxes on Unrealized Gains arising during the Period	494,000	161,000
Less: Reclassification of taxes on gains included in net income	(302,000)	(27,000)
Total unrealized gains tax	192,000	134,000
Net Change in Other Comprehensive Income	$ 313,000	$ 218,000