Troubled Debt Restructurings (Details 1) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013 Investment	Jun. 30, 2012 Investment
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans		4
Recorded investment		$ 2,753
Commercial [Member] | Owner occupied RE [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans		3
Recorded investment		2,713
Commercial [Member] | Non-owner occupied RE [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans
Recorded investment
Commercial [Member] | Construction [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans
Recorded investment
Commercial [Member] | Business [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans		1
Recorded investment		40
Consumer [Member] | Construction [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans
Recorded investment
Consumer [Member] | Real estate [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans
Recorded investment
Consumer [Member] | Home equity [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans
Recorded investment
Consumer [Member] | Other [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans
Recorded investment