Derivative and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary Of Other Derivative Instruments Not Designated As Hedging Instruments [Table Text Block]

The following table presents the total notional amounts and gross fair values of the Corporation's derivatives, as well as the balance sheet netting adjustments as of December 31, 2020 and December 31, 2019. The derivative assets and liabilities are presented on a gross basis prior to the application of bilateral collateral and master netting agreements, but after the variation margin payments with central clearing organizations have been applied as settlement, as applicable. Total derivative assets and liabilities are adjusted to take into consideration the effects of legally enforceable master netting agreements and cash collateral

received or paid as of December 31, 2020 and December 31, 2019. The resulting net derivative asset and liability fair values are included in other assets and accrued expenses and other liabilities, respectively, on the consolidated balance sheets.

The table below identifies the balance sheet category and fair values of the Corporation’s derivative instruments:

	December 31, 2020								December 31, 2019
	Asset				Liability				Asset				Liability
($ in Thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Not designated as hedging instruments
Interest rate-related instruments	$	3,639,679	$	192,518	$	3,639,679	$	25,680	$	3,029,877	$	77,024	$	3,029,877	$	13,073
Foreign currency exchange forwards	411,292		4,909		398,890		4,836		272,636		4,226		264,653		4,048
Commodity contracts	87,547		12,486		83,214		11,155		255,089		20,528		255,165		19,624
Mortgage banking(a)	226,818		9,624		335,500		2,046		255,291		2,527		263,000		710
Gross derivatives before netting			$	219,537			$	43,716			$	104,305			$	37,455
Less: Legally enforceable master netting agreements			1,936				1,936				10,410				10,410
Less: Cash collateral pledged/received			10,879				25,625				1,408				11,365
Total derivative instruments, after netting			$	206,722			$	16,155			$	92,487			$	15,680

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

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, 2020 and 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, 2020				Year Ended December 31, 2019
($ 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)	$	(1,779)	$	—	$	(448)	$	—
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	(1,779)		—		5,871		—
Derivatives designated as hedging instruments(a)	—		—		(6,319)		—

(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, 2020 and 2019:

	Consolidated Statements of Income Category of Gain / (Loss) Recognized in Income	For the Year Ended December 31,
($ in Thousands)		2020		2019
Derivative Instruments
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	(1,758)	$	(1,393)
Interest rate lock commitments (mortgage)	Mortgage banking, net	7,097		319
Forward commitments (mortgage)	Mortgage banking, net	1,335		1,362
Foreign currency exchange forwards	Capital market fees, net	(105)		132
Commodity contracts	Capital market fees, net	427		(1,763)