Loans (Troubled Debt Restructurings on Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014 loan	Dec. 31, 2013 loan
Financing receivable post modification recorded investment	$ 7,023	$ 4,693
Number of TDR loans	12	13
Commercial Equipment [Member]
Financing receivable post modification recorded investment	155	67
Number of TDR loans	2	1
Commercial Loans [Member]
Financing receivable post modification recorded investment	227
Number of TDR loans	2
Construction and Land Development [Member]
Financing receivable post modification recorded investment	3,634
Number of TDR loans	2
Residential Mortgage [Member]
Financing receivable post modification recorded investment	912	1,485
Number of TDR loans	3	4
Commercial Real Estate [Member]
Financing receivable post modification recorded investment	2,095	3,141
Number of TDR loans	3	8
Accrual Loans [Member]
Financing receivable post modification recorded investment	3,162	4,693
Number of TDR loans	8	13
Non-Accrual Loans [Member]
Non-accrual financing receivable post modification recorded investment	$ (3,861)
Number of non-accrual financing receivable post modification recorded investment	(4)