Loans (Summary of Performing and Nonperforming TDRs Modified During the Period) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 Loans	Jun. 30, 2012 Loans	Jun. 30, 2013 Loans	Jun. 30, 2012 Loans
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans			42	64
Performing and nonperforming modified TDRs, Pre-modification recorded investment			$ 8,877	$ 13,633
Performing and nonperforming modified TDRs, Post-modification recorded investment			8,821	13,474
Commercial Loan Portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	19	33
Performing and nonperforming modified TDRs, Pre-modification recorded investment	4,734	6,049
Performing and nonperforming modified TDRs, Post-modification recorded investment	4,713	5,984
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	6	11	13	22
Performing and nonperforming modified TDRs, Pre-modification recorded investment	4,096	4,273	6,990	8,702
Performing and nonperforming modified TDRs, Post-modification recorded investment	4,096	4,273	6,990	8,702
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	13	22
Performing and nonperforming modified TDRs, Pre-modification recorded investment	638	1,776
Performing and nonperforming modified TDRs, Post-modification recorded investment	617	1,711
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			29	42
Performing and nonperforming modified TDRs, Pre-modification recorded investment			1,887	4,931
Performing and nonperforming modified TDRs, Post-modification recorded investment			1,831	4,772
Commercial [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on performing and nonperforming TDRs
Performing and nonperforming modified TDRs, Number of loans	3	5	6	10
Performing and nonperforming modified TDRs, Pre-modification recorded investment	2,234	1,964	2,692	3,225
Performing and nonperforming modified TDRs, Post-modification recorded investment	2,234	1,964	2,692	3,225
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	6	6	11
Performing and nonperforming modified TDRs, Pre-modification recorded investment	1,862	2,309	4,036	3,839
Performing and nonperforming modified TDRs, Post-modification recorded investment	1,862	2,309	4,036	3,839
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	1	1
Performing and nonperforming modified TDRs, Pre-modification recorded investment	0	0	262	1,638
Performing and nonperforming modified TDRs, Post-modification recorded investment	$ 0	$ 0	$ 262	$ 1,638