Related Party Transactions (Details Textual) (USD $)	6 Months Ended			6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2013 Directors, executive officers and their related parties	Dec. 31, 2012 Directors, executive officers and their related parties	Jun. 30, 2013 Various companies of related parties	Jun. 30, 2012 Various companies of related parties
Loans and Leases Receivable Related Parties Not Performing In Accordance With Term Of Agreement	$ 187,000
Loans and Leases Receivable, Related Parties	10,800,000
Related Party Transaction, Amount Of Participation Interest	5,200,000
Related Party Transaction, Amount Of Participation Interest Outstanding	4,300,000
Related Party Deposit Liabilities	54,000,000		66,700,000
Related Party Transactions, Interest Paid On Deposits	36,000	79,000
Related Party Transaction, Expenses from Transactions with Related Party						1,500,000	504,000
Related Party Transactions, Subordinated Debt				10,000,000	10,000,000
Related Party Transactions, Interest Paid On Subordinated Debt				0	0
Related Party Transactions, Interest Accrued and Unpaid				$ 2,600,000