Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Fair Value of Credit Impaired Loans Acquired) (Details) (Purchased Credit Impaired Loans [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Purchased Credit Impaired Loans [Member]
Schedule of Contractually Required Payments Receivable, Expected Cash Flows, and Fair Value of Credit Impaired Loans Acquired [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition	$ 6,783	$ 6,874
Non-Accretable Difference On Credit Impaired Loans Acquired in Business Acquisitions	(2,252)	(2,173)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition	4,531	4,701
Accretable Yield On Credit Impaired Loans Acquired in Business Acquisitions	(566)	(676)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value	$ 3,965	$ 4,025

Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Fair Value of Credit Impaired Loans Acquired) (Details) (Purchased Credit Impaired Loans [Member], USD $)
In Thousands, unless otherwise specified

Mar. 31, 2015

Dec. 31, 2014

Purchased Credit Impaired Loans [Member]

Schedule of Contractually Required Payments Receivable, Expected Cash Flows, and Fair Value of Credit Impaired Loans Acquired [Line Items]

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition

$ 6,783

$ 6,874

Non-Accretable Difference On Credit Impaired Loans Acquired in Business Acquisitions

(2,252)

(2,173)

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition

4,531

4,701

Accretable Yield On Credit Impaired Loans Acquired in Business Acquisitions

(566)

(676)

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value

$ 3,965

$ 4,025