Loans (Nonaccrual Loans By Segment) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Nonaccrual Loans By Major Loan Type [Line Items]
Total	$ 4,292	$ 4,531
Commercial [Member]
Nonaccrual Loans By Major Loan Type [Line Items]
Total	999	1,214
Real Estate Construction One-To- Four Family [Member]
Nonaccrual Loans By Major Loan Type [Line Items]
Total	1,240	1,264
Real Estate Term Non-Owner Occupied [Member]
Nonaccrual Loans By Major Loan Type [Line Items]
Total	174	185
Real Estate Term Other [Member]
Nonaccrual Loans By Major Loan Type [Line Items]
Total	1,448	1,451
Consumer Secured By 1st Deed Of Trust [Member]
Nonaccrual Loans By Major Loan Type [Line Items]
Total	203	183
Consumer Other [Member]
Nonaccrual Loans By Major Loan Type [Line Items]
Total	$ 228	$ 234