Allowance For Loan Losses (Schedule Of Allocation Of Portion Of Allowance) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	$ 4,206				$ 5,856
Allowance for Loan Losses, Collectively Evaluated for Impairment	8,874				10,954
Allowance for Loan Losses, Total	13,080				16,810				18,380
Recorded Investment in Loans, Individually Evaluated for Impairment	41,176				65,186
Recorded Investment in Loans, Collectively Evaluated for Impairment	451,847				457,177
Recorded Investment in Loans, Total	493,023	500,974	510,028	511,376	522,363	538,992	554,103	573,752
Commercial [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	208				491
Allowance for Loan Losses, Collectively Evaluated for Impairment	939				1,281
Allowance for Loan Losses, Total	1,147				1,772				1,883
Recorded Investment in Loans, Individually Evaluated for Impairment	987				2,992
Recorded Investment in Loans, Collectively Evaluated for Impairment	23,968				25,322
Recorded Investment in Loans, Total	24,955				28,314
Agriculture [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	43				308
Allowance for Loan Losses, Collectively Evaluated for Impairment	294				225
Allowance for Loan Losses, Total	337				533				486
Recorded Investment in Loans, Individually Evaluated for Impairment	115				462
Recorded Investment in Loans, Collectively Evaluated for Impairment	3,603				3,866
Recorded Investment in Loans, Total	3,718				4,328
Consumer Installment Loans [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	3				16
Allowance for Loan Losses, Collectively Evaluated for Impairment	150				372
Allowance for Loan Losses, Total	153				388				781
Recorded Investment in Loans, Individually Evaluated for Impairment	34				125
Recorded Investment in Loans, Collectively Evaluated for Impairment	26,021				29,320
Recorded Investment in Loans, Total	26,055				29,445
All Other Loans [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Collectively Evaluated for Impairment	2				4
Allowance for Loan Losses, Total	2				4				2
Recorded Investment in Loans, Collectively Evaluated for Impairment	139				178
Recorded Investment in Loans, Total	139				178
Unallocated [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Collectively Evaluated for Impairment	381				551
Allowance for Loan Losses, Total	381				551				851
Real Estate [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	3,952				5,041
Allowance for Loan Losses, Collectively Evaluated for Impairment	7,108				8,521
Allowance for Loan Losses, Total	11,060				13,562				14,377
Recorded Investment in Loans, Individually Evaluated for Impairment	40,040				61,607
Recorded Investment in Loans, Collectively Evaluated for Impairment	398,116				398,491
Recorded Investment in Loans, Total	438,156				460,098
Real Estate [Member] | Commercial [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	1,942				3,196
Allowance for Loan Losses, Collectively Evaluated for Impairment	3,261				3,524
Allowance for Loan Losses, Total	5,203				6,720				5,671
Recorded Investment in Loans, Individually Evaluated for Impairment	21,899				33,884
Recorded Investment in Loans, Collectively Evaluated for Impairment	104,275				116,051
Recorded Investment in Loans, Total	126,174				149,935
Real Estate [Member] | Construction And Land Development [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	138				177
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,046				1,989
Allowance for Loan Losses, Total	1,184				2,166				3,848
Recorded Investment in Loans, Individually Evaluated for Impairment	890				4,552
Recorded Investment in Loans, Collectively Evaluated for Impairment	21,531				19,775
Recorded Investment in Loans, Total	22,421				24,327
Real Estate [Member] | Residential 1-4 Family [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	1,180				577
Allowance for Loan Losses, Collectively Evaluated for Impairment	2,136				2,473
Allowance for Loan Losses, Total	3,316				3,050				3,759
Recorded Investment in Loans, Individually Evaluated for Impairment	8,015				10,138
Recorded Investment in Loans, Collectively Evaluated for Impairment	241,172				230,063
Recorded Investment in Loans, Total	249,187				240,201
Real Estate [Member] | Multifamily [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	39				456
Allowance for Loan Losses, Collectively Evaluated for Impairment	94				96
Allowance for Loan Losses, Total	133				552				148
Recorded Investment in Loans, Individually Evaluated for Impairment	594				2,956
Recorded Investment in Loans, Collectively Evaluated for Impairment	10,888				9,611
Recorded Investment in Loans, Total	11,482				12,567
Real Estate [Member] | Farmland [Member]
Allowance For Loan Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	653				635
Allowance for Loan Losses, Collectively Evaluated for Impairment	571				439
Allowance for Loan Losses, Total	1,224				1,074				951
Recorded Investment in Loans, Individually Evaluated for Impairment	8,642				10,077
Recorded Investment in Loans, Collectively Evaluated for Impairment	20,250				22,991
Recorded Investment in Loans, Total	$ 28,892				$ 33,068