Loans and Allowance for Loan Losses (Details 8) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 Contract	Jun. 30, 2012 Contract	Jun. 30, 2013 Contract	Jun. 30, 2012 Contract
Information related to loans modified in a TDR
Number of contracts	1		1
Pre-modification recorded investment	$ 44		$ 44
Post-modification recorded investment	44		44
Increase in the allowance
Commercial
Information related to loans modified in a TDR
Number of contracts	1		1
Pre-modification recorded investment	44		44
Post-modification recorded investment	44		44
Increase in the allowance
Commercial real estate
Information related to loans modified in a TDR
Number of contracts	2	2	2	3
Pre-modification recorded investment	650	1,340	650	1,609
Post-modification recorded investment	650	1,340	650	1,609
Increase in the allowance		148		148
Total restructured loans
Information related to loans modified in a TDR
Number of contracts	3	2	3	3
Pre-modification recorded investment	694	1,340	694	1,609
Post-modification recorded investment	694	1,340	694	1,609
Increase in the allowance		148		148
Subsequently defaulted
Information related to loans modified in a TDR
Number of contracts
Pre-modification recorded investment
Increase in the allowance