Loans (Troubled Debt Restructurings on Financing Receivables) (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015 USD ($) loan	Dec. 31, 2014 USD ($) loan
Financing receivable post modification recorded investment | $	$ 18,685	$ 18,136
Number of TDR loans	28	24
Commercial Equipment [Member]
Financing receivable post modification recorded investment | $	$ 140	$ 154
Number of TDR loans	2	2
Commercial Loans [Member]
Financing receivable post modification recorded investment | $	$ 1,084	$ 2,262
Number of TDR loans	7	6
Construction and Land Development [Member]
Financing receivable post modification recorded investment | $	$ 4,329	$ 4,376
Number of TDR loans	4	4
Residential Mortgage [Member]
Financing receivable post modification recorded investment | $	$ 895	$ 906
Number of TDR loans	3	3
Commercial Real Estate [Member]
Financing receivable post modification recorded investment | $	$ 12,237	$ 10,438
Number of TDR loans	12	9
Accrual Loans [Member]
Financing receivable post modification recorded investment | $	$ 13,908	$ 13,249
Number of TDR loans	23	19
Non-Accrual Loans [Member]
Non-accrual financing receivable post modification recorded investment | $	$ (4,777)	$ (4,887)
Number of non-accrual financing receivable post modification recorded investment	(5)	(5)