Loans (Summary Of Risk Category Of Loans Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Loans [Line Items]
Total	$ 538,992	$ 597,816
Pass [Member]
Loans [Line Items]
Total	414,070	452,288
Special Mention [Member]
Loans [Line Items]
Total	36,480	47,227
Substandard [Member]
Loans [Line Items]
Total	87,017	95,408
Doubtful [Member]
Loans [Line Items]
Total	1,425	2,893
Commercial [Member]
Loans [Line Items]
Total	30,420	39,327
Commercial [Member] | Pass [Member]
Loans [Line Items]
Total	23,013	32,018
Commercial [Member] | Special Mention [Member]
Loans [Line Items]
Total	3,748	2,045
Commercial [Member] | Substandard [Member]
Loans [Line Items]
Total	3,618	4,227
Commercial [Member] | Doubtful [Member]
Loans [Line Items]
Total	41	1,037
Agriculture [Member]
Loans [Line Items]
Total	4,965	6,147
Agriculture [Member] | Pass [Member]
Loans [Line Items]
Total	4,191	4,743
Agriculture [Member] | Special Mention [Member]
Loans [Line Items]
Total	229	678
Agriculture [Member] | Substandard [Member]
Loans [Line Items]
Total	543	726
Agriculture [Member] | Doubtful [Member]
Loans [Line Items]
Total	2
Consumer Installment Loans [Member]
Loans [Line Items]
Total	31,200	38,522
Consumer Installment Loans [Member] | Pass [Member]
Loans [Line Items]
Total	29,622	36,107
Consumer Installment Loans [Member] | Special Mention [Member]
Loans [Line Items]
Total	501	900
Consumer Installment Loans [Member] | Substandard [Member]
Loans [Line Items]
Total	1,027	1,484
Consumer Installment Loans [Member] | Doubtful [Member]
Loans [Line Items]
Total	50	31
All Other Loans [Member]
Loans [Line Items]
Total	187	218
All Other Loans [Member] | Pass [Member]
Loans [Line Items]
Total	187	218
Real Estate [Member]
Loans [Line Items]
Total	472,220	513,602
Real Estate [Member] | Pass [Member]
Loans [Line Items]
Total	357,057	379,202
Real Estate [Member] | Special Mention [Member]
Loans [Line Items]
Total	32,002	43,604
Real Estate [Member] | Substandard [Member]
Loans [Line Items]
Total	81,829	88,971
Real Estate [Member] | Doubtful [Member]
Loans [Line Items]
Total	1,332	1,825
Real Estate [Member] | Commercial [Member]
Loans [Line Items]
Total	155,255	170,789
Real Estate [Member] | Commercial [Member] | Pass [Member]
Loans [Line Items]
Total	109,113	112,694
Real Estate [Member] | Commercial [Member] | Special Mention [Member]
Loans [Line Items]
Total	11,913	18,377
Real Estate [Member] | Commercial [Member] | Substandard [Member]
Loans [Line Items]
Total	34,084	39,573
Real Estate [Member] | Commercial [Member] | Doubtful [Member]
Loans [Line Items]
Total	145	145
Real Estate [Member] | Construction And Land Development [Member]
Loans [Line Items]
Total	25,212	32,389
Real Estate [Member] | Construction And Land Development [Member] | Pass [Member]
Loans [Line Items]
Total	18,148	23,203
Real Estate [Member] | Construction And Land Development [Member] | Special Mention [Member]
Loans [Line Items]
Total	1,260	1,224
Real Estate [Member] | Construction And Land Development [Member] | Substandard [Member]
Loans [Line Items]
Total	5,804	7,962
Real Estate [Member] | Residential 1-4 Family [Member]
Loans [Line Items]
Total	243,938	255,998
Real Estate [Member] | Residential 1-4 Family [Member] | Pass [Member]
Loans [Line Items]
Total	198,672	209,863
Real Estate [Member] | Residential 1-4 Family [Member] | Special Mention [Member]
Loans [Line Items]
Total	16,245	17,137
Real Estate [Member] | Residential 1-4 Family [Member] | Substandard [Member]
Loans [Line Items]
Total	27,834	27,730
Real Estate [Member] | Residential 1-4 Family [Member] | Doubtful [Member]
Loans [Line Items]
Total	1,187	1,268
Real Estate [Member] | Multifamily [Member]
Loans [Line Items]
Total	12,636	14,320
Real Estate [Member] | Multifamily [Member] | Pass [Member]
Loans [Line Items]
Total	9,220	11,727
Real Estate [Member] | Multifamily [Member] | Special Mention [Member]
Loans [Line Items]
Total	179	1,909
Real Estate [Member] | Multifamily [Member] | Substandard [Member]
Loans [Line Items]
Total	3,237	684
Real Estate [Member] | Farmland [Member]
Loans [Line Items]
Total	35,179	40,106
Real Estate [Member] | Farmland [Member] | Pass [Member]
Loans [Line Items]
Total	21,904	21,715
Real Estate [Member] | Farmland [Member] | Special Mention [Member]
Loans [Line Items]
Total	2,405	4,957
Real Estate [Member] | Farmland [Member] | Substandard [Member]
Loans [Line Items]
Total	10,870	13,022
Real Estate [Member] | Farmland [Member] | Doubtful [Member]
Loans [Line Items]
Total		$ 412