Loans and Allowance for Loan Losses (Details Textual) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Loans and Allowance for Loan Losses (Textual) [Abstract]
Demand deposit loan account charge-offs	$ (1,067)	$ (909)
Demand deposit loan account recoveries	122	117
Commercial Loan [Member]
Loans and Allowance for Loan Losses (Textual) [Abstract]
Demand deposit loan account charge-offs	63,000	78,000
Demand deposit loan account recoveries	$ 68,000	$ 42,000