Employee Benefits And Deferred Compensation Plans (Schedule of Allocation Of Plan Assets) (Details) (Fair Value, Quoted Prices In Active Markets For Identical Assets (Level 1) [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 4,201	$ 4,162
Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets		34
Money Market Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	121	97
Equity Securities, Small Cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	402	416
Real Estate Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	241	188
International Large Cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	818	890
Emerging Markets [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	480	512
Currency [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	195	198
Commodity [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	51	63
Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	413	403
Bank Loans [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	202	203
Exchange Traded Funds, Large Cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	890	799
Exchange Traded Funds, Mid Cap [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets	$ 388	$ 359