Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The following table presents the notional amounts and fair values, including accrued interest, of derivative positions:

	At December 31, 2022
	Asset Derivatives				Liability Derivatives
(In thousands)	Notional Amounts		Fair Value		Notional Amounts		Fair Value
Designated as hedging instruments:
Interest rate derivatives (1)	$	1,350,000	$	1,515	$	1,750,000	$	9,632
Not designated as hedging instruments:
Interest rate derivatives (1)	7,024,507		221,225		7,022,844		403,952
Mortgage banking derivatives (2)	3,283		32		—		—
Other (3)	161,934		134		606,478		915
Total not designated as hedging instruments	7,189,724		221,391		7,629,322		404,867
Gross derivative instruments, before netting	$	8,539,724	222,906		$	9,379,322	414,499
Less: Master netting agreements			16,129				16,129
Cash collateral			184,095				—
Total derivative instruments, after netting			$	22,682			$	398,370
	At December 31, 2021
	Asset Derivatives				Liability Derivatives
(In thousands)	Notional Amounts		Fair Value		Notional Amounts		Fair Value
Designated as hedging instruments:
Interest rate derivatives (1)	$	1,000,000	$	17,583	$	—	$	—
Not designated as hedging instruments:
Interest rate derivatives (1)	4,463,048		141,243		4,372,846		21,570
Mortgage banking derivatives (2)	14,212		80		—		—
Other (3)	76,755		211		374,688		214
Total not designated as hedging instruments	4,554,015		141,534		4,747,534		21,784
Gross derivative instruments, before netting	$	5,554,015	159,117		$	4,747,534	21,784
Less: Master netting agreements			6,364				6,364
Cash collateral			19,272				2,119
Total derivative instruments, after netting			$	133,481			$	13,301

(1)Balances related to clearing houses are presented as a single unit of account. In accordance with their rule books, clearing houses legally characterize variation margin payments as settlement of derivatives rather than collateral against derivative positions. At December 31, 2022, and 2021, notional amounts of interest rate swaps cleared through clearing houses include $2.7 billion and
$0.4 billion for asset derivatives, respectively, and zero and $2.6 billion for liability derivatives, respectively. The related fair values approximate zero.

(2)Notional amounts related to residential loans exclude approved floating rate commitments of $2.4 million and $1.0 million at December 31, 2022, and 2021, respectively.

(3)Other derivatives include foreign currency forward contracts related to lending arrangements and customer hedging activity, a Visa equity swap transaction, and risk participation agreements. Notional amounts of risk participation agreements include $125.6 million and $66.0 million for asset derivatives and $559.2 million and $338.2 million for liability derivatives at December 31, 2022, and 2021, respectively, which have insignificant related fair values.

Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location [Table Text Block]

The following tables present fair value positions transitioned from gross to net upon applying counterparty netting agreements:

	At December 31, 2022
(In thousands)	Gross Amount Recognized		Derivative Offset Amount		Cash Collateral Received/Pledged		Net Amount Presented		Amounts Not Offset
Asset derivatives	$	217,246	$	16,129	$	184,095	$	17,022	$	17,392
Liability derivatives	16,129		16,129		—		—		1,545
	At December 31, 2021
(In thousands)	Gross Amount Recognized		Derivative Offset Amount		Cash Collateral Received/Pledged		Net Amount Presented		Amounts Not Offset
Asset derivatives	$	25,636	$	6,364	$	19,272	$	—	$	51
Liability derivatives	8,483		6,364		2,119		—		428

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

The following table summarizes the income statement effect of derivatives designated as cash flow hedges:

	Recognized In	Years ended December 31,
(In thousands)	Net Interest Income	2022		2021		2020
Cash flow hedges:
Interest rate derivatives	Interest and fees on loans and leases	$	1,935	$	10,676	$	6,373
Interest rate derivatives	Long-term debt	306		411		8,206
Net recognized on cash flow hedges		$	1,629	$	10,265	$	(1,833)

The following table summarizes information related to a fair value hedging adjustment:

Consolidated Balance Sheet Line Item in Which Previously Hedged Item is Located	Carrying Amount of Previously Hedged Item				Cumulative Amount of Fair Value Hedging Adjustment Included in Carrying Amount
	At December 31,				At December 31,
(In thousands)	2022		2021		2022		2021
Long-term debt (1)	$	333,458	$	338,811	$	33,458	$	38,811

Other Derivatives Not Designated For Hedge Accounting

The following table summarizes the income statement effect of derivatives not designated as hedging instruments:

	Recognized In	Years ended December 31,
(In thousands)	Non-interest Income	2022		2021		2020
Interest rate derivatives	Other income	$	25,092	$	10,369	$	11,068
Mortgage banking derivatives	Mortgage banking activities	(48)		(776)		636
Other	Other income	3,249		878		(1,696)
Total not designated as hedging instruments		$	28,293	$	10,471	$	10,008