Securities (Schedule Of Amortized Costs, Gross Unrealized Gains And Losses, And Approximate Fair Values Of Securities Held-To-Maturity) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Amortized Costs	$ 21,507		$ 21,992
Unrealized Gains	743		582
Unrealized Losses	(57)		(103)
Securities held-to-maturity, fair value	22,193		22,471
U.S. Government And Federal Agency [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Costs	7,066		7,470
Unrealized Gains	168		161
Unrealized Losses	(57)		(76)
Securities held-to-maturity, fair value	7,177		7,555
Mortgage-Backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Costs	134	[1]	147
Unrealized Gains	9		9
Unrealized Losses	0		0
Securities held-to-maturity, fair value	143	[1]	156
Collateralized Mortgage Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Costs	82		93
Unrealized Gains	4		5
Unrealized Losses	0		0
Securities held-to-maturity, fair value	86		98
States And Political Subdivisions [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Costs	14,225		14,282
Unrealized Gains	562		407
Unrealized Losses	0		(27)
Securities held-to-maturity, fair value	$ 14,787		$ 14,662

[1] Maturities on mortgage-backed securities and collateralized mortgage obligations are not presented in this table because maturities may differ substantially from contractual terms due to early repayments of principal.