Derivative and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2019

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:

	December 31, 2019								December 31, 2018
	Asset				Liability				Asset				Liability
($ in Thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Designated as hedging instruments
Interest rate-related instruments	$	—	$	—	$	—	$	—	$	—	$	—	$	500,000	$	40
Not designated as hedging instruments
Interest rate-related instruments	3,029,877		77,024		3,029,877		13,073		2,707,204		52,796		2,707,204		52,653
Foreign currency exchange forwards	272,636		4,226		264,653		4,048		117,879		721		69,153		675
Commodity contracts	255,089		20,528		255,165		19,624		331,727		35,426		315,861		34,340
Mortgage banking(a)	255,291		2,527		263,000		710		191,222		2,208		139,984		2,072
Time deposits	—		—		—		—		11,185		109		11,185		109
Total not designated as hedging instruments			104,305				37,455				91,260				89,849
Gross derivatives before netting			$	104,305			$	37,455			$	91,260			$	89,889
Less: Legally enforceable master netting agreements			10,410				10,410				5,322				5,322
Less: Cash collateral pledged/received			1,408				11,365				27,593				63
Total derivative instruments, after netting(b)			$	92,487			$	15,680			$	58,345			$	84,504

(a) Mortgage derivative assets include interest rate lock commitments and mortgage derivative liabilities include forward commitments.

(b) The fair values of derivative assets are included in other assets, while the fair values of derivative liabilities are included in accrued expenses and other liabilities, on the consolidated balance sheets.

Balance Sheet Recording of Fair Value Hedge [Table Text Block]

The following table presents amounts that were recorded on the consolidated balance sheets related to cumulative basis adjustment for fair value hedges:

	Line Item on the Consolidated Balance Sheets in Which the Hedged Item is Included
	Carrying Amount of the Hedged Assets/(Liabilities)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)(b)
($ in Thousands)	December 31, 2019
Loans and investment securities available for sale(a)	$	505,371	$	5,371
Total	$	505,371	$	5,371

(a) These amounts include the amortized cost basis of closed portfolios used to designated hedging relationships in which the hedged item is the last layer expected to be remaining at the end of the hedging relationship. At December 31, 2019, the amortized cost basis of the closed portfolios used in these hedging relationships was $893 million; the positive cumulative basis adjustments associated with these hedging relationships was approximately $5 million; and the amounts of the designated hedged items were $500 million which were terminated during the fourth quarter of 2019.

(b) The balance includes $5 million of hedging adjustment on discontinued hedging relationships.

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

The table below identifies the effect of fair value hedge accounting on the Corporation's consolidated statements of income during the twelve months ended December 31, 2019:

	Location and Amount of Gain or (Loss) Recognized on Consolidated Statements of Income in Fair Value and Cash Flow Hedging Relationships
	Year Ended December 31, 2019				Year Ended December 31, 2018
($ in Thousands)	Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)
Total amounts of income and expense line items presented on the consolidated statements of income in which the effects of fair value or cash flow hedges are recorded(a)	$	(448)	$	—	$	(1,325)	$	—
The effects of fair value and cash flow hedging: Gain or (loss) on fair value hedging relationships in Subtopic 815-20
Interest contracts
Hedged items	5,871		—		(502)		—
Derivatives designated as hedging instruments(a)	(6,319)		—		(823)		—

(a) Includes net settlements on the derivatives

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

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income during the twelve months ended December 31, 2019 and 2018:

	Consolidated Statements of Income Category of Gain / (Loss) Recognized in Income	For the Year Ended December 31,
($ in Thousands)		2019		2018
Derivative Instruments
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	(1,393)	$	(316)
Interest rate lock commitments (mortgage)	Mortgage banking, net	319		670
Forward commitments (mortgage)	Mortgage banking, net	1,362		(1,759)
Foreign currency exchange forwards	Capital market fees, net	132		(110)
Commodity contracts	Capital market fees, net	(1,763)		(314)