Loans (Summary of Performing and Nonperforming TDRs Modified During the Period) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013 Loans	Sep. 30, 2012 Loans	Sep. 30, 2013 Loans	Sep. 30, 2012 Loans
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans			78	104
Performing and nonperforming modified TDRs, Pre-modification recorded investment			$ 16,242	$ 17,876
Performing and nonperforming modified TDRs, Post-modification recorded investment			16,143	17,665
Commercial Loan Portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	24	32
Performing and nonperforming modified TDRs, Pre-modification recorded investment	4,099	3,443
Performing and nonperforming modified TDRs, Post-modification recorded investment	4,056	3,392
Subtotal-commercial loan portfolio [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	5	17	30	39
Performing and nonperforming modified TDRs, Pre-modification recorded investment	2,452	2,091	12,708	10,793
Performing and nonperforming modified TDRs, Post-modification recorded investment	2,452	2,091	12,708	10,793
Consumer loan portfolio (real estate residential) [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	19	15
Performing and nonperforming modified TDRs, Pre-modification recorded investment	1,647	1,352
Performing and nonperforming modified TDRs, Post-modification recorded investment	1,604	1,301
Consumer loan portfolio (real estate residential) [Member] | Consumer Portfolio Segment [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans			48	65
Performing and nonperforming modified TDRs, Pre-modification recorded investment			3,534	7,083
Performing and nonperforming modified TDRs, Post-modification recorded investment			3,435	6,872
Commercial [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	2	9	11	19
Performing and nonperforming modified TDRs, Pre-modification recorded investment	352	665	3,370	3,891
Performing and nonperforming modified TDRs, Post-modification recorded investment	352	665	3,370	3,891
Real estate commercial [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	3	8	16	19
Performing and nonperforming modified TDRs, Pre-modification recorded investment	2,100	1,426	8,701	5,264
Performing and nonperforming modified TDRs, Post-modification recorded investment	2,100	1,426	8,701	5,264
Land development [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	0	0	3	1
Performing and nonperforming modified TDRs, Pre-modification recorded investment	0	0	637	1,638
Performing and nonperforming modified TDRs, Post-modification recorded investment	$ 0	$ 0	$ 637	$ 1,638