Derivative and Hedging Activities, Income Statement Category of the Gains and Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Capital market fees, net [Member] | Interest Rate-related instruments - customer and mirror [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	$ 854	$ 486
Capital market fees, net [Member] | Foreign currency exchange forwards [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	(49)	90
Capital market fees, net [Member] | Commodity contract [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	123
Mortgage banking, net [Member] | Interest rate lock commitments (mortgage) [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	(989)	1,531
Mortgage banking, net [Member] | Forward commitments (mortgage) [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	$ 2,838	$ (3,736)