Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2024

Derivative Financial Instruments

Derivative financial instruments summary

				September 30, 2024						December 31, 2023
	Balance Sheet	Notional		Estimated Fair Value				Notional		Estimated Fair Value
(Dollars in thousands)	Location	Amount		Gain		Loss		Amount		Gain		Loss
Fair value hedge of interest rate risk:
Pay fixed rate swap with counterparty	Other Assets	$	4,200	$	81	$	—	$	9,188	$	220	$	—
Not designated hedges of interest rate risk:
Customer related interest rate contracts:
Matched interest rate swaps with borrowers	Other Assets and Other Liabilities		12,184,085		133,461		605,734		11,327,419		60,145		803,539
Matched interest rate swaps with counterparty (1)	Other Assets and Other Liabilities		12,093,484		60,467		184		11,235,952		108,820		—
Economic hedges of interest rate risk:
Pay floating rate swap with counterparty	Other Assets		1,824,400		28		—		1,660,000		(5)		—
Not designated hedges of interest rate risk – mortgage banking activities:
Contracts used to hedge mortgage servicing rights	Other Assets and Other Liabilities		146,000		—		5		142,000		2,605		—
Contracts used to hedge mortgage pipeline	Other Assets and Other Liabilities		126,000		1,685		271		77,500		1,154		947
Total derivatives		$	26,378,169	$	195,722	$	606,194	$	24,452,059	$	172,939	$	804,486

(1) The fair value of the interest rate swap derivative assets was reduced by $412.5 million in variation margin payments applicable to swaps centrally cleared through LCH and CME.

Schedule of notional value of forward sale commitments and the fair value of those obligations along with the fair value of the mortgage pipeline

(Dollars in thousands)	September 30, 2024		December 31, 2023
Mortgage loan pipeline	$	109,071	$	65,051
Expected closures		96,462		54,993
Fair value of mortgage loan pipeline commitments		1,685		1,154
Forward sales commitments		126,000		77,500
Fair value of forward commitments		(271)		(947)