Derivatives (Offsetting Derivatives Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivative Assets
Derivatives Assets, Net Amounts of Assets presented in the Statement of Financial Position	$ 43,549	$ 29,210
Interest Rate Swap [Member]
Derivative Assets
Derivative Assets, Gross Amounts of Recognized Assets	38,567	26,327
Derivative Asset, Fair Value, Gross Liability	0	0
Derivatives Assets, Net Amounts of Assets presented in the Statement of Financial Position	38,567	26,327
Derivative Asset, Fair Value, Amount Not Offset Against Collateral [Abstract]
Derivative Assets, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	(198)	(131)
Derivative Assets, Gross Amounts Not Offset in the Statement of Financial Position, Collateral Posted	0	0
Derivative Assets, Net Amount	38,369	26,196
Foreign Exchange Contract [Member]
Derivative Assets
Derivative Assets, Gross Amounts of Recognized Assets	196	565
Derivative Asset, Fair Value, Gross Liability	0	0
Derivatives Assets, Net Amounts of Assets presented in the Statement of Financial Position	196	565
Derivative Asset, Fair Value, Amount Not Offset Against Collateral [Abstract]
Derivative Assets, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0	0
Derivative Assets, Gross Amounts Not Offset in the Statement of Financial Position, Collateral Posted	0	0
Derivative Assets, Net Amount	$ 196	$ 565