Goodwill and Identifiable Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Carrying Amount of Goodwill and Intangibles
Goodwill, Beginning Balance	$ 2,714	$ 2,714
Core Deposit Intangibles, Beginning Balance	120	508
Total, Beginning Balance	2,834	3,222
Amortization Expense, Core Deposit Intangibles	(120)	(388)
Amortization Expense	(120)	(388)
Goodwill, Ending Balance	2,714	2,714
Core Deposit Intangibles, Ending Balance		120
Total, Ending Balance	$ 2,714	$ 2,834