Derivatives and Hedging Activities (FV of Derivative Financial Instruments and Classification on Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	$ 17,339	$ 16,697
Derivative, Fair Value, Net	(6,962)	(9,630)
Liability Derivatives	206,057	225,648
Commitments, Fair Value Disclosure	511	204
Forward TBA Mortgage Contracts	0	64
Forward Sales Agreements	78	35
Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	17,850	16,965
Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Liability Derivatives	17,607	16,765
Interest rate swaps [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	0	0
Liability Derivatives	6,962	9,630
Interest rate swaps [Member] | Derivatives designated as hedges [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives
Interest rate swaps [Member] | Derivatives designated as hedges [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Liability Derivatives	6,962	9,630
Loan level swaps [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	17,012	16,301
Liability Derivatives	17,023	16,340
Loan level swaps [Member] | Derivatives not designated as hedges [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	17,012	16,301
Loan level swaps [Member] | Derivatives not designated as hedges [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Liability Derivatives	17,023	16,340
Foreign exchange contracts [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives	327	396
Liability Derivatives	306	390
Foreign exchange contracts [Member] | Derivatives not designated as hedges [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Asset Derivatives		396
Foreign exchange contracts [Member] | Derivatives not designated as hedges [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Liability Derivatives	306	390
Notional Amount Maturing [Member] | Buys Foreign Exchange Sells Us Currency [Member] | Foreign exchange contracts [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Derivative, Fair Value, Net	327	396
Notional Amount Maturing [Member] | Buys Us Currency Sells Foreign Exchange [Member] | Foreign exchange contracts [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Derivative, Fair Value, Net	$ (306)	$ (390)