Allowance for Loan and Lease Losses (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013 N		Jun. 30, 2012 N		Jun. 30, 2013 N		Jun. 30, 2012 N
Financing Receivable, Modifications [Line Items]
Number Of Loans Tdr					5		1
Orginated Loans and Leases
Financing Receivable, Modifications [Line Items]
Number Of Loans	1		1		5		1
Premodification Outstanding Recorded Investment	$ 47		$ 62		$ 510		$ 62
Postmodification Outstanding Recorded Investment	47		62		510		62
Number Of Loans Tdr	0	[1]	0	[1]	0	[2]	0	[2]
Postmodification Outstanding Recorded Investment Tdr	0	[1]	0	[1]	0	[2]	0	[2]
Orginated Loans and Leases | Commercial and Industrial Other
Financing Receivable, Modifications [Line Items]
Number Of Loans	1	[3]			2	[4]
Premodification Outstanding Recorded Investment	47	[3]			139	[4]
Postmodification Outstanding Recorded Investment	47	[3]			139	[4]
Number Of Loans Tdr	0	[1],[3]			0	[2],[4]
Postmodification Outstanding Recorded Investment Tdr	0	[1],[3]			0	[2],[4]
Orginated Loans and Leases | Residential Real Estate - Mortgages
Financing Receivable, Modifications [Line Items]
Number Of Loans			1	[4]			1	[4]
Premodification Outstanding Recorded Investment			62	[4]			62	[4]
Postmodification Outstanding Recorded Investment			62	[4]			62	[4]
Number Of Loans Tdr			0	[1],[4]			0	[2],[4]
Postmodification Outstanding Recorded Investment Tdr			0	[1],[4]			0	[2],[4]
Orginated Loans and Leases | Commercial Real Estate Other
Financing Receivable, Modifications [Line Items]
Number Of Loans					3	[5]
Premodification Outstanding Recorded Investment					371	[5]
Postmodification Outstanding Recorded Investment					371	[5]
Number Of Loans Tdr					0	[2],[5]
Postmodification Outstanding Recorded Investment Tdr					0	[2],[5]
Concession, extension of term, loan					129
Concession, extended term and lowered rate, loan					$ 242

[1] TDRs that defaulted during the last three months that were restructured in the prior twelve months

[2] TDRs that defaulted during the last six months that were restructured in the prior twelve months.

[3] Represents the following concessions: extension of term and reduction of rate

[4] Represents the following concessions: extension of term and reduction in rate

[5] Represents the following concessions: extension of term (1 loan: $129,000) and extended term and lowered rate (2 loans: $242,000)