Loans (Summary Of Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Loans [Line Items]
Average Recorded Investment	$ 38,745	$ 50,944
Interest Income Recognized	544	1,499
Recorded Investment	34,089	41,176
Unpaid Principal Balance	36,770	45,125
Related Allowance	3,109	4,206
With No Related Allowance Recorded [Member] | Commercial [Member]
Loans [Line Items]
Average Recorded Investment	310	717
Interest Income Recognized		7
Recorded Investment	298	315
Unpaid Principal Balance	298	423
With No Related Allowance Recorded [Member] | Agriculture [Member]
Loans [Line Items]
Average Recorded Investment	66	71
Interest Income Recognized	2	6
Recorded Investment	65	60
Unpaid Principal Balance	81	60
With No Related Allowance Recorded [Member] | Consumer Installment Loans [Member]
Loans [Line Items]
Average Recorded Investment	9	51
Interest Income Recognized		2
Recorded Investment	13	12
Unpaid Principal Balance	13	12
With No Related Allowance Recorded [Member] | All Other Loans [Member]
Loans [Line Items]
Average Recorded Investment
Interest Income Recognized
Recorded Investment
Unpaid Principal Balance
Related Allowance
With An Allowance Recorded [Member] | Commercial [Member]
Loans [Line Items]
Average Recorded Investment	633	1,012
Interest Income Recognized	2	3
Recorded Investment	561	672
Unpaid Principal Balance	669	740
Related Allowance	39	208
With An Allowance Recorded [Member] | Agriculture [Member]
Loans [Line Items]
Average Recorded Investment	43	138
Interest Income Recognized	1	4
Recorded Investment	36	55
Unpaid Principal Balance	36	71
Related Allowance	36	43
With An Allowance Recorded [Member] | Consumer Installment Loans [Member]
Loans [Line Items]
Average Recorded Investment	16	22
Interest Income Recognized		2
Recorded Investment	6	22
Unpaid Principal Balance	6	22
Related Allowance		3
With An Allowance Recorded [Member] | All Other Loans [Member]
Loans [Line Items]
Average Recorded Investment
Interest Income Recognized
Recorded Investment
Unpaid Principal Balance
Related Allowance
Real Estate [Member] | With No Related Allowance Recorded [Member] | Commercial [Member]
Loans [Line Items]
Average Recorded Investment	11,969	16,270
Interest Income Recognized	126	300
Recorded Investment	10,754	9,807
Unpaid Principal Balance	11,574	10,276
Real Estate [Member] | With No Related Allowance Recorded [Member] | Construction And Land Development [Member]
Loans [Line Items]
Average Recorded Investment	282	2,246
Interest Income Recognized	1	26
Recorded Investment	202	336
Unpaid Principal Balance	213	345
Real Estate [Member] | With No Related Allowance Recorded [Member] | Residential 1-4 Family [Member]
Loans [Line Items]
Average Recorded Investment	2,690	4,276
Interest Income Recognized	52	126
Recorded Investment	2,441	2,557
Unpaid Principal Balance	2,643	2,727
Real Estate [Member] | With No Related Allowance Recorded [Member] | Multifamily [Member]
Loans [Line Items]
Average Recorded Investment	324	652
Interest Income Recognized	8	16
Recorded Investment	322	326
Unpaid Principal Balance	322	326
Real Estate [Member] | With No Related Allowance Recorded [Member] | Farmland [Member]
Loans [Line Items]
Average Recorded Investment	4,980	4,260
Interest Income Recognized	77	166
Recorded Investment	5,997	2,533
Unpaid Principal Balance	6,733	2,670
Real Estate [Member] | With An Allowance Recorded [Member] | Commercial [Member]
Loans [Line Items]
Average Recorded Investment	7,738	12,080
Interest Income Recognized	76	441
Recorded Investment	4,966	12,092
Unpaid Principal Balance	5,423	13,924
Related Allowance	893	1,942
Real Estate [Member] | With An Allowance Recorded [Member] | Construction And Land Development [Member]
Loans [Line Items]
Average Recorded Investment	639	492
Interest Income Recognized	13	9
Recorded Investment	800	554
Unpaid Principal Balance	897	640
Related Allowance	218	138
Real Estate [Member] | With An Allowance Recorded [Member] | Residential 1-4 Family [Member]
Loans [Line Items]
Average Recorded Investment	5,198	3,980
Interest Income Recognized	113	260
Recorded Investment	4,954	5,458
Unpaid Principal Balance	5,161	5,824
Related Allowance	1,288	1,180
Real Estate [Member] | With An Allowance Recorded [Member] | Multifamily [Member]
Loans [Line Items]
Average Recorded Investment	321	561
Interest Income Recognized	13	17
Recorded Investment	429	268
Unpaid Principal Balance	429	268
Related Allowance	75	39
Real Estate [Member] | With An Allowance Recorded [Member] | Farmland [Member]
Loans [Line Items]
Average Recorded Investment	3,527	4,116
Interest Income Recognized	60	114
Recorded Investment	2,245	6,109
Unpaid Principal Balance	2,272	6,797
Related Allowance	$ 560	$ 653