Loans - Impaired Loans Individually Evaluated (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
With an allowance recorded
Related allowance	$ 1,137	$ 4,335
Total
Recorded investment	8,630	15,432
Unpaid principal balance	8,630	15,434
Commercial [Member]
With an allowance recorded
Related allowance	1,035	2,969
Total
Recorded investment	7,073	12,657
Unpaid principal balance	7,073	12,659
Commercial & Industrial [Member]
With no related allowance recorded
Recorded investment	783	631
Unpaid principal balance	783	631
With an allowance recorded
Recorded investment	1,326	6,932
Unpaid principal balance	1,326	6,932
Related allowance	1,035	2,924
Owner occupied commercial real estate [Member]
With no related allowance recorded
Recorded investment	177
Unpaid principal balance	177
Commerical real estate [Member]
With no related allowance recorded
Recorded investment	3,047	2,690
Unpaid principal balance	3,047	2,692
With an allowance recorded
Recorded investment		653
Unpaid principal balance		653
Related allowance		45
Construction, land & land development [Member]
With no related allowance recorded
Recorded investment	1,740	1,751
Unpaid principal balance	1,740	1,751
Consumer [Member]
With an allowance recorded
Related allowance	102	1,366
Total
Recorded investment	1,557	2,775
Unpaid principal balance	1,557	2,775
Residential mortgage [Member]
With no related allowance recorded
Recorded investment	1,296	1,213
Unpaid principal balance	1,296	1,213
With an allowance recorded
Recorded investment		114
Unpaid principal balance		114
Related allowance		88
Other consumer [Member]
With no related allowance recorded
Recorded investment	159	170
Unpaid principal balance	159	170
With an allowance recorded
Recorded investment	102	1,278
Unpaid principal balance	102	1,278
Related allowance	$ 102	$ 1,278