Troubled Debt Restructurings (Details 1)	9 Months Ended
	Sep. 30, 2015 USD ($) Investment	Sep. 30, 2014 USD ($) Investment
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans
Recorded investment | $
Commercial [Member] | Owner occupied RE [Member]
Summary of TDRs past due more than 60 days and subsequently defaulted
Number of loans
Recorded investment | $
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
Recorded investment | $
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 | $