Loans (Summary of TDRs Modified During the Period) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) loan	Sep. 30, 2015 USD ($) loan	Sep. 30, 2016 USD ($) loan	Sep. 30, 2015 USD ($) loan
Schedule providing information on TDRs
Modified TDRs, Number of loans (in loan) | loan	6	21	61	88
Modified TDRs, Pre-modification recorded investment	$ 4,249	$ 3,407	$ 15,365	$ 13,006
Modified TDRs, Post-modification recorded investment	$ 4,249	$ 3,407	$ 15,365	$ 13,004
Commercial Loan Portfolio [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans (in loan) | loan	4	6	38	34
Modified TDRs, Pre-modification recorded investment	$ 4,160	$ 2,926	$ 14,582	$ 10,556
Modified TDRs, Post-modification recorded investment	$ 4,160	$ 2,926	$ 14,582	$ 10,556
Commercial Loan Portfolio [Member] | Commercial [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans (in loan) | loan	4	3	32	21
Modified TDRs, Pre-modification recorded investment	$ 4,160	$ 882	$ 12,141	$ 5,146
Modified TDRs, Post-modification recorded investment	$ 4,160	$ 882	$ 12,141	$ 5,146
Commercial Loan Portfolio [Member] | Commercial real estate [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans (in loan) | loan	0	3	6	12
Modified TDRs, Pre-modification recorded investment	$ 0	$ 2,044	$ 2,441	$ 5,105
Modified TDRs, Post-modification recorded investment	$ 0	$ 2,044	$ 2,441	$ 5,105
Commercial Loan Portfolio [Member] | Real estate construction and land development [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans (in loan) | loan		0		1
Modified TDRs, Pre-modification recorded investment		$ 0		$ 305
Modified TDRs, Post-modification recorded investment		$ 0		$ 305
Consumer loan portfolio [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans (in loan) | loan	2	15	23	54
Modified TDRs, Pre-modification recorded investment	$ 89	$ 481	$ 783	$ 2,450
Modified TDRs, Post-modification recorded investment	$ 89	$ 481	$ 783	$ 2,448