Commitments And Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Total Unfunded Or Off Balance Sheet Credit Extension Commitments, [Line Items]
Total unfunded commitments	$ 101,251	$ 92,181
Revolving Home Equity And Credit Card Lines [Member]
Total Unfunded Or Off Balance Sheet Credit Extension Commitments, [Line Items]
Total unfunded commitments	47,690	45,660
Construction [Member]
Total Unfunded Or Off Balance Sheet Credit Extension Commitments, [Line Items]
Total unfunded commitments	16,226	11,893
Other [Member]
Total Unfunded Or Off Balance Sheet Credit Extension Commitments, [Line Items]
Total unfunded commitments	35,401	33,139
Standby Letters Of Credit [Member]
Total Unfunded Or Off Balance Sheet Credit Extension Commitments, [Line Items]
Total unfunded commitments	$ 1,934	$ 1,489