Loans (Summary of TDRs with a Payment Default 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
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of contract			4	7
Financing receivable modification subsequent default recorded investment			$ 803	$ 1,280
Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of contract	0	3
Financing receivable modification subsequent default recorded investment	0	239
Commercial [Member] | Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of contract	0	0	1	1
Financing receivable modification subsequent default recorded investment	0	0	434	60
Real estate commercial [Member] | Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of contract	0	1	0	2
Financing receivable modification subsequent default recorded investment	0	69	0	836
Subtotal-commercial loan portfolio [Member] | Commercial Loan Portfolio [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of contract	0	1	1	3
Financing receivable modification subsequent default recorded investment	0	69	434	896
Consumer loan portfolio (real estate residential) [Member]
Troubled debt restructurings on financing receivables with defaults payment
Financing receivable modifications subsequent default number of contract	0	2
Financing receivable modification subsequent default recorded investment	0	170
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 contract			3	4
Financing receivable modification subsequent default recorded investment			$ 369	$ 384