Derivative and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary Of Other derivative instruments not designated as hedging instruments

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 March 31, 2023 and December 31, 2022. 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 March 31, 2023 and December 31, 2022. 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.

	Mar 31, 2023								Dec 31, 2022
	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	$	2,000,000	$	19,416	$	850,000	$	—	$	900,000	$	4,349	$	1,150,000	$	1,260
Not designated as hedging instruments:
Interest rate-related and other instruments	4,412,666		71,619		4,737,474		199,339		4,246,823		62,401		4,599,391		251,398
Foreign currency exchange forwards	468,094		3,313		454,970		3,194		499,078		1,922		461,134		1,801
Mortgage banking(a)	59,184		338		83,500		441		21,265		86		33,000		46
Total not designated as hedging instruments			75,271				202,974				64,410				253,245
Gross derivatives before netting			94,687				202,974				68,759				254,506
Less: Legally enforceable master netting agreements			8,301				8,301				2,788				2,788
Less: Cash collateral pledged/received			36,331				342				26,898				217
Total derivative instruments, after netting			$	50,056			$	194,331			$	39,072			$	251,500

(a) The notional amount of the mortgage derivative asset includes interest rate lock commitments, while the notional amount of the mortgage derivative liability includes forward commitments.

Balance Sheet Recording of Fair Value Hedge [Table]

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

	Line Item in 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)		Carrying Amount of the Hedged Assets/(Liabilities)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)
($ in thousands)	March 31, 2023				December 31, 2022
Other long-term funding	$	(552,168)	$	(2,168)	$	(248,145)	$	1,855
FHLB Advances	(592,393)		7,607		(585,692)		14,308
Total	$	(1,144,561)	$	5,439	$	(833,837)	$	16,163

Schedule of cash flow hedging instruments, statements of financial performance and financial position location

The table below identifies the effect of fair value and cash flow hedge accounting on the Corporation's consolidated statements of income for the three months ended March 31, 2023 and 2022:

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value and Cash Flow Hedging Relationships
	Three months ended Mar 31,
	2023				2022
($ in thousands)	Interest Income		Interest Expense		Interest Income
Total amounts of income presented on the consolidated statements of income in which the effects of the fair value or cash flow hedges are recorded(a)	$	(1,321)	$	2,515	$	(179)
The effects of fair value and cash flow hedging: Impact on fair value hedging relationships in Subtopic 815-20
Interest contracts:
Hedged items	(59)		10,724		(179)
Derivatives designated as hedging instruments(a)	(1,262)		(8,209)		—

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following table presents the effect of cash flow hedge accounting on accumulated other comprehensive income (loss) for the three months ended March 31, 2023 and 2022:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Interest rate-related instruments designated as cash flow hedging instruments
Amount of gain recognized in OCI on cash flow hedge derivative(a)	$	13,763	$	—
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest income(a)	1,262		—

(a) The entirety of gains recognized in OCI as well as the losses reclassified from accumulated other comprehensive income (loss) into interest income were included components in the assessment of hedge effectiveness.

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 for the three months ended March 31, 2023 and 2022:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended Mar 31,
($ in thousands)		2023		2022
Derivative instruments
Interest rate-related and other instruments — customer and mirror, net	Capital markets, net	$	(70)	$	558
Interest rate-related instruments — MSRs hedge	Mortgage banking, net	2,521		(3,666)
Foreign currency exchange forwards	Capital markets, net	(2)		123
Interest rate lock commitments (mortgage)	Mortgage banking, net	252		(2,842)
Forward commitments (mortgage)	Mortgage banking, net	(395)		4,757