Stock Compensation (Schedule Of Stock Grant Activity For RSUs) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, Aggregate Intrinsic Value	$ 8,274,000	$ 1,225,000		$ 603,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested, Beginning Balance, Shares	120,000	97,000	58,000
Granted, Shares	73,000	64,000	61,000
Vested, Shares	(54,000)	(37,000)	(19,000)
Forfeited, Shares	(10,000)	(4,000)	(3,000)
Unvested, Ending Balance, Shares	129,000	120,000	97,000	58,000
Vested and expected to vest, Shares	118,000
Outstanding, Weighted Average Remaining Contractual Term in Years	1 year 6 months 22 days	1 year 6 months 15 days	1 year 7 months 28 days	1 year 10 months 6 days
Vested and expected to vest, Weighted Average Remaining Contractual Term in Years	1 year 6 months 18 days
Outstanding, Aggregate Intrinsic Value	1,425,000	747,000	466,000	313,000
Vested and expected to vest, Aggregate Intrinsic Value	$ 1,314,000