Loans (Summary of TDRs Modified During the Period) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014 Loans	Sep. 30, 2013 Loans	Sep. 30, 2014 Loans	Sep. 30, 2013 Loans
Schedule providing information on TDRs
Modified TDRs, Number of loans	28	37	170	123
Modified TDRs, Pre-modification recorded investment	$ 2,158	$ 6,413	$ 22,721	$ 22,913
Modified TDRs, Post-modification recorded investment	2,151	6,370	22,704	22,814
Subtotal-commercial loan portfolio [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans	14	14	63	63
Modified TDRs, Pre-modification recorded investment	1,586	4,640	19,513	18,984
Modified TDRs, Post-modification recorded investment	1,586	4,640	19,513	18,984
Consumer loan portfolio [Member] | Consumer Portfolio Segment [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans	14	23	107	60
Modified TDRs, Pre-modification recorded investment	572	1,773	3,208	3,929
Modified TDRs, Post-modification recorded investment	565	1,730	3,191	3,830
Commercial [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans	7	6	34	25
Modified TDRs, Pre-modification recorded investment	448	716	12,379	5,075
Modified TDRs, Post-modification recorded investment	448	716	12,379	5,075
Real estate commercial [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans	7	8	28	32
Modified TDRs, Pre-modification recorded investment	1,138	3,924	7,062	11,587
Modified TDRs, Post-modification recorded investment	1,138	3,924	7,062	11,587
Real Estate Construction Loans [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans		0		2
Modified TDRs, Pre-modification recorded investment		0		364
Modified TDRs, Post-modification recorded investment		0		364
Land development [Member] | Commercial Loan Portfolio [Member]
Schedule providing information on TDRs
Modified TDRs, Number of loans	0	0	1	4
Modified TDRs, Pre-modification recorded investment	0	0	72	1,958
Modified TDRs, Post-modification recorded investment	$ 0	$ 0	$ 72	$ 1,958