Allowance For Loan Losses (Schedule Of Allocation Of Portion Of Allowance) (Details) (USD $) | 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 |
In Thousands, unless otherwise specified |
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 | ' | ' | ' | ' |