Loans (Summary of TDRs with a Payment Default During the Period) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 Loans	Dec. 31, 2012 Loans	Dec. 31, 2011 Loans
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of loans	58	42	37
Financing receivable modification subsequent default recorded investment	$ 10,746	$ 9,515	$ 6,451
Commercial [Member] | Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of loans	23	10	7
Financing receivable modification subsequent default recorded investment	2,745	1,692	2,659
Real estate commercial [Member] | Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of loans	8	15	9
Financing receivable modification subsequent default recorded investment	4,278	4,993	1,828
Real Estate Construction Loans [Member] | Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of loans	3	0	0
Financing receivable modification subsequent default recorded investment	371	0	0
Land Development Loans [Member] | Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of loans	2	4	0
Financing receivable modification subsequent default recorded investment	1,526	1,157	0
Commercial loan portfolio [Member] | Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of loans	36	29	16
Financing receivable modification subsequent default recorded investment	8,920	7,842	4,487
Consumer loan portfolio (real estate residential) [Member] | Consumer Portfolio Segment [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of loans	22	13	21
Financing receivable modification subsequent default recorded investment	$ 1,826	$ 1,673	$ 1,964