Derivative and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Balance sheet category and fair values of derivative instruments not designated as hedging instruments

The table below identifies the balance sheet category and fair values of the Corporation’s derivative instruments to accommodate customer needs which are not designated as hedging instruments.

	December 31, 2016						December 31, 2015
	Notional Amount		Fair Value			Balance Sheet Category	Notional Amount		Fair Value			Balance Sheet Category
	($ in Thousands)
Interest rate-related instruments — customer and mirror	$	2,039,323	$	33,671		Trading assets	$	1,665,965	$	29,391		Trading assets
Interest rate-related instruments — customer and mirror	2,039,323		(33,188		)	Trading liabilities	1,665,965		(30,886		)	Trading liabilities
Foreign currency exchange forwards	109,675		2,002			Trading assets	72,976		1,532			Trading assets
Foreign currency exchange forwards	106,251		(1,943		)	Trading liabilities	65,649		(1,398		)	Trading liabilities
Commodity contracts	127,582		16,725			Trading assets	44,380		1,269			Trading assets
Commodity contracts	128,368		(15,972		)	Trading liabilities	44,256		(1,146		)	Trading liabilities

Summary Of Other derivative instruments not designated as hedging instruments

The table below identifies the balance sheet category and fair values of the Corporation’s derivative instruments which are not designated as hedging instruments.

	December 31, 2016						December 31, 2015
	Notional Amount		Fair Value			Balance Sheet Category	Notional Amount		Fair Value			Balance Sheet Category
	($ in Thousands)
Interest rate lock commitments (mortgage)	$	285,345	$	206		Other assets	$	271,530	$	958		Other assets
Forward commitments (mortgage)	179,600		2,908			Other assets	231,798		403			Other assets
Purchased options (time deposit)	80,554		2,576			Other assets	104,582		2,715			Other assets
Written options (time deposit)	80,554		(2,576		)	Other liabilities	104,582		(2,715		)	Other liabilities

Gain (loss) on derivative instruments not designated as hedging instruments

The table below identifies the income statement category of the gains and losses recognized in income on the Corporation’s derivative instruments not designated as hedging instruments.

	Income Statement Category of Gain / (Loss) Recognized in Income	For the Year Ended December 31,
		2016			2015
		($ in Thousands)
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	1,978		$	854
Interest rate lock commitments (mortgage)	Mortgage banking, net	(752		)	(989		)
Forward commitments (mortgage)	Mortgage banking, net	2,505			2,838
Foreign currency exchange forwards	Capital market fees, net	(75		)	(49		)
Commodity contracts	Capital market fees, net	630			123