10. Borrowed Funds (Summary Of Short-Term Borrowings) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Balance	$ 16,762	$ 10,957	$ 3,958
Federal Home Loan Bank Advances [Member]
Balance	15,800	10,000	3,000
Average balance outstanding for the period	17,398	14,162	12,291
Maximum balance outstanding at any month end during period	45,000	20,000	20,000
Weighted average interest rate for the period	0.25%	0.22%	0.24%
Weighted average interest rate for balances outstanding	0.25%	0.23%	0.25%
Federal Funds Purchased And Lines Of Credit [Member]
Balance	962	957	958
Average balance outstanding for the period	3,474	956	957
Maximum balance outstanding at any month end during period	$ 5,961	$ 957	$ 958
Weighted average interest rate for the period	0.25%	0.25%	0.25%
Weighted average interest rate for balances outstanding	0.25%	0.25%	0.25%