Loans and the Allowance for Loan Losses (Details) - Purchase Credit Impaired Loans (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Loans and the Allowance for Loan Losses (Details) - Purchase Credit Impaired Loans [Line Items]
Total carrying amount	$ 11,352
Commercial Portfolio Segment [Member]
Loans and the Allowance for Loan Losses (Details) - Purchase Credit Impaired Loans [Line Items]
Total carrying amount	7,255
Commercial Real Estate Portfolio Segment [Member]
Loans and the Allowance for Loan Losses (Details) - Purchase Credit Impaired Loans [Line Items]
Total carrying amount	1,835
Residential Portfolio Segment [Member]
Loans and the Allowance for Loan Losses (Details) - Purchase Credit Impaired Loans [Line Items]
Total carrying amount	$ 2,262