Loans (Summary of Performing and Nonperforming TDRs Modified During the Period) (Details) (Commercial Loan Portfolio [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Loans	Mar. 31, 2013 Loans
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	52	47
Performing and nonperforming modified TDRs, Pre-modification recorded investment	$ 12,205	$ 7,437
Performing and nonperforming modified TDRs, Post-modification recorded investment	12,196	7,401
Subtotal-commercial loan portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	22	29
Performing and nonperforming modified TDRs, Pre-modification recorded investment	11,218	6,046
Performing and nonperforming modified TDRs, Post-modification recorded investment	11,218	6,046
Consumer loan portfolio (real estate residential) [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	30	18
Performing and nonperforming modified TDRs, Pre-modification recorded investment	987	1,391
Performing and nonperforming modified TDRs, Post-modification recorded investment	978	1,355
Commercial [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	12	11
Performing and nonperforming modified TDRs, Pre-modification recorded investment	8,356	1,606
Performing and nonperforming modified TDRs, Post-modification recorded investment	8,356	1,606
Real estate commercial [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	9	14
Performing and nonperforming modified TDRs, Pre-modification recorded investment	2,790	3,644
Performing and nonperforming modified TDRs, Post-modification recorded investment	2,790	3,644
Real Estate Construction Loans [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans		2
Performing and nonperforming modified TDRs, Pre-modification recorded investment		364
Performing and nonperforming modified TDRs, Post-modification recorded investment		364
Land development [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	1	2
Performing and nonperforming modified TDRs, Pre-modification recorded investment	72	432
Performing and nonperforming modified TDRs, Post-modification recorded investment	$ 72	$ 432