Allowance for Loan and Lease Losses (Details 5) (Orginated Loans and Leases [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Number		Mar. 31, 2013 Number
Financing Receivable, Modifications [Line Items]
Number Of Loans	0		4
Premodification Outstanding Recorded Investment	$ 0		$ 463
Postmodification Outstanding Recorded Investment	0		463
Number Of Loans Tdr	2	[1]	0	[2]
Postmodification Outstanding Recorded Investment Tdr	258	[1]	0	[2]
Commercial Real Estate Other [Member]
Financing Receivable, Modifications [Line Items]
Number Of Loans	0		3	[3]
Premodification Outstanding Recorded Investment	0		371	[3]
Postmodification Outstanding Recorded Investment	0		371	[3]
Number Of Loans Tdr	1	[1]	0	[2],[3]
Postmodification Outstanding Recorded Investment Tdr	63	[1]	0	[2],[3]
Concession, extension of term, loan			129
Concession, extended term and lowered rate, loan			242
Residential real estate other [Member]
Financing Receivable, Modifications [Line Items]
Number Of Loans	0
Premodification Outstanding Recorded Investment	0
Postmodification Outstanding Recorded Investment	0
Number Of Loans Tdr	1	[1]
Postmodification Outstanding Recorded Investment Tdr	195	[1]
Commercial and Industrial Other [Member]
Financing Receivable, Modifications [Line Items]
Number Of Loans			1	[4]
Premodification Outstanding Recorded Investment			92	[4]
Postmodification Outstanding Recorded Investment			92	[4]
Number Of Loans Tdr			0	[2],[4]
Postmodification Outstanding Recorded Investment Tdr			0	[2],[4]
Residential Real Estate - Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number Of Loans			0	[4]
Premodification Outstanding Recorded Investment			0	[4]
Postmodification Outstanding Recorded Investment			0	[4]
Number Of Loans Tdr			0	[2],[4]
Postmodification Outstanding Recorded Investment Tdr			$ 0	[2],[4]

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

[2] TDRs that defaulted in the current quarter that were restructured in the prior twelve months.

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

[4] Represents the following concessions: extension of term