Loans (Summary Of Risk Category Of Loans Receivable) (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
Loans [Line Items]
Total	$ 493,023	$ 500,974	$ 510,028	$ 511,376	$ 522,363	$ 538,992	$ 554,103	$ 573,752
Pass [Member]
Loans [Line Items]
Total	437,969				443,277
Special Mention [Member]
Loans [Line Items]
Total	9,931				16,314
Substandard [Member]
Loans [Line Items]
Total	44,893				62,149
Doubtful [Member]
Loans [Line Items]
Total	230				623
Commercial [Member]
Loans [Line Items]
Total	24,955				28,314
Commercial [Member] | Pass [Member]
Loans [Line Items]
Total	23,258				21,793
Commercial [Member] | Special Mention [Member]
Loans [Line Items]
Total	634				3,227
Commercial [Member] | Substandard [Member]
Loans [Line Items]
Total	1,034				3,254
Commercial [Member] | Doubtful [Member]
Loans [Line Items]
Total	29				40
Agriculture [Member]
Loans [Line Items]
Total	3,718				4,328
Agriculture [Member] | Pass [Member]
Loans [Line Items]
Total	3,583				3,841
Agriculture [Member] | Special Mention [Member]
Loans [Line Items]
Total	11				53
Agriculture [Member] | Substandard [Member]
Loans [Line Items]
Total	124				434
Consumer Installment Loans [Member]
Loans [Line Items]
Total	26,055				29,445
Consumer Installment Loans [Member] | Pass [Member]
Loans [Line Items]
Total	25,879				29,159
Consumer Installment Loans [Member] | Special Mention [Member]
Loans [Line Items]
Total					21
Consumer Installment Loans [Member] | Substandard [Member]
Loans [Line Items]
Total	176				261
Consumer Installment Loans [Member] | Doubtful [Member]
Loans [Line Items]
Total					4
All Other Loans [Member]
Loans [Line Items]
Total	139				178
All Other Loans [Member] | Pass [Member]
Loans [Line Items]
Total	139				178
Real Estate [Member]
Loans [Line Items]
Total	438,156				460,098
Real Estate [Member] | Pass [Member]
Loans [Line Items]
Total	385,110				388,306
Real Estate [Member] | Special Mention [Member]
Loans [Line Items]
Total	9,286				13,013
Real Estate [Member] | Substandard [Member]
Loans [Line Items]
Total	43,559				58,200
Real Estate [Member] | Doubtful [Member]
Loans [Line Items]
Total	201				579
Real Estate [Member] | Commercial [Member]
Loans [Line Items]
Total	126,174				149,935
Real Estate [Member] | Commercial [Member] | Pass [Member]
Loans [Line Items]
Total	100,403				117,945
Real Estate [Member] | Commercial [Member] | Special Mention [Member]
Loans [Line Items]
Total	4,586				5,782
Real Estate [Member] | Commercial [Member] | Substandard [Member]
Loans [Line Items]
Total	21,185				26,120
Real Estate [Member] | Commercial [Member] | Doubtful [Member]
Loans [Line Items]
Total					88
Real Estate [Member] | Construction And Land Development [Member]
Loans [Line Items]
Total	22,421				24,327
Real Estate [Member] | Construction And Land Development [Member] | Pass [Member]
Loans [Line Items]
Total	19,138				18,502
Real Estate [Member] | Construction And Land Development [Member] | Special Mention [Member]
Loans [Line Items]
Total	2,107				1,067
Real Estate [Member] | Construction And Land Development [Member] | Substandard [Member]
Loans [Line Items]
Total	1,176				4,758
Real Estate [Member] | Residential 1-4 Family [Member]
Loans [Line Items]
Total	249,187				240,201
Real Estate [Member] | Residential 1-4 Family [Member] | Pass [Member]
Loans [Line Items]
Total	234,857				220,534
Real Estate [Member] | Residential 1-4 Family [Member] | Special Mention [Member]
Loans [Line Items]
Total	1,916				4,739
Real Estate [Member] | Residential 1-4 Family [Member] | Substandard [Member]
Loans [Line Items]
Total	12,213				14,437
Real Estate [Member] | Residential 1-4 Family [Member] | Doubtful [Member]
Loans [Line Items]
Total	201				491
Real Estate [Member] | Multifamily [Member]
Loans [Line Items]
Total	11,482				12,567
Real Estate [Member] | Multifamily [Member] | Pass [Member]
Loans [Line Items]
Total	10,777				9,765
Real Estate [Member] | Multifamily [Member] | Special Mention [Member]
Loans [Line Items]
Total	266				178
Real Estate [Member] | Multifamily [Member] | Substandard [Member]
Loans [Line Items]
Total	439				2,624
Real Estate [Member] | Farmland [Member]
Loans [Line Items]
Total	28,892				33,068
Real Estate [Member] | Farmland [Member] | Pass [Member]
Loans [Line Items]
Total	19,935				21,560
Real Estate [Member] | Farmland [Member] | Special Mention [Member]
Loans [Line Items]
Total	411				1,247
Real Estate [Member] | Farmland [Member] | Substandard [Member]
Loans [Line Items]
Total	$ 8,546				$ 10,261