Commitments And Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Expiration term of contingent obligations, months	12 months
Balances at the Federal Reserve Bank	$ 9,170,000	$ 12,220,000
Commitments to Originate Loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	13,624,000	17,569,000
Unused Lines of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	180,812,000	186,196,000
Standby Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	4,481,000	4,262,000
Loans Sold with Recourse [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	8,000	22,000
Equity Commitments to Affordable Housing Limited Partnerships [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 869,000	$ 2,619,000