Allowance For Loan Losses (Summary Of Activity In The Allowance For Loan Losses By Portfolio Segment) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Allowance For Loan Losses [Line Items]
Balance, beginning of year	$ 13,080	$ 16,810
Charge Offs	(3,540)	(6,044)
Recoveries	914	1,764
Advances
Provision		550
Balance, End of period	10,454	13,080
Real Estate [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	11,060	13,562
Charge Offs	(3,421)	(5,015)
Recoveries	863	1,535
Advances
Provision	(162)	978
Balance, End of period	8,340	11,060
Commercial [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	1,147	1,772
Charge Offs	(47)	(513)
Recoveries	25	50
Advances
Provision	(528)	(162)
Balance, End of period	597	1,147
Commercial [Member] | Real Estate [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	5,203	6,720
Charge Offs	(1,582)	(2,811)
Recoveries	215	439
Advances
Provision	39	855
Balance, End of period	3,875	5,203
Construction And Land Development [Member] | Real Estate [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	1,184	2,166
Charge Offs	(104)	(312)
Recoveries	13	452
Advances
Provision	(814)	(1,122)
Balance, End of period	279	1,184
Residential 1-4 Family [Member] | Real Estate [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	3,316	3,050
Charge Offs	(910)	(1,143)
Recoveries	115	576
Advances
Provision	566	833
Balance, End of period	3,087	3,316
Multifamily [Member] | Real Estate [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	133	552
Charge Offs	(41)
Advances
Provision	67	(419)
Balance, End of period	159	133
Farmland [Member] | Real Estate [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	1,224	1,074
Charge Offs	(784)	(749)
Recoveries	520	68
Advances
Provision	(20)	831
Balance, End of period	940	1,224
Agriculture [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	337	533
Charge Offs	(5)	(363)
Recoveries		51
Advances
Provision	(196)	116
Balance, End of period	136	337
Consumer Installment Loans [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	153	388
Charge Offs	(67)	(153)
Recoveries	26	128
Advances
Provision	105	(210)
Balance, End of period	217	153
All Other Loans [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	2	4
Advances
Provision	(1)	(2)
Balance, End of period	1	2
Unallocated [Member]
Allowance For Loan Losses [Line Items]
Balance, beginning of year	381	551
Advances
Provision	782	(170)
Balance, End of period	$ 1,163	$ 381