Derivative Financial Instruments (Notional Amounts) (Details 1) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Interest Rate Lock Commitments
Derivative [Line Items]
Notional Amount	$ 52,710	$ 55,223
Fair Value	1,039	1,067
Forward Commitments
Derivative [Line Items]
Notional Amount	59,169	104,962
Fair Value	39	847
Receive Fixed / Pay Variable Swap
Derivative [Line Items]
Notional Amount	382,524	357,441
Fair Value	2,405	1,381
Pay Fixed / Receive Variable Swap
Derivative [Line Items]
Notional Amount	382,524	357,441
Fair Value	(2,075)	(1,395)
Foreign Exchange Contracts
Derivative [Line Items]
Notional Amount	42,172	38,172
Fair Value	$ (151)	$ (757)