Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2019

Summary of notional amounts and fair values of derivatives held

	June 30, 2019						December 31, 2018
			Fair Value						Fair Value
	Notional		Asset		Liability		Notional		Asset		Liability
(dollars in thousands)	Amount		Derivatives(1)		Derivatives(2)		Amount		Derivatives(1)		Derivatives(2)
Derivatives designated as hedging instruments:
Interest rate swaps	$	23,545	$	—	$	(776)	$	41,317	$	31	$	(44)
Derivatives not designated as hedging instruments:
Interest rate swaps		2,592,239		60,281		—		2,269,247		12,305		(12,007)
Funding swap		66,840		—		(1,179)		62,039		—		(2,607)
Foreign exchange contracts		1,629		1		(2)		1,191		—		(34)

(1) The positive fair values of derivative assets are included in other assets.

(2) The negative fair values of derivative liabilities are included in other liabilities.

Schedule of net gains and losses recognized in income related to derivatives in fair value hedging relationships

	Gains (losses) recognized in	Three Months Ended				Six Months Ended
	the consolidated statements	June 30,				June 30,
(dollars in thousands)	of income line item	2019		2018		2019		2018
Gains (losses) on fair value hedging relationships recognized in Interest Income(1):
Recognized on interest rate swap	Loans and lease financing	$	(424)	$	—	$	(766)	$	—
Recognized on hedged item	Loans and lease financing		427		—		689		—
Gains (losses) on fair value hedging relationships recognized in Noninterest Income(2):
Recognized on interest rate swap	Other	$	—	$	408	$	—	$	958
Recognized on hedged item	Other		—		(325)		—		(1,088)

(1) In connection with the adoption of ASU 2017-12, beginning January 1, 2019, gain (loss) amounts for the interest rate swap qualifying as fair value hedging and the hedged item are included in Loans and Lease Financing Interest Income.

(2) Prior to January 1, 2019, gain (loss) amounts for the interest rate swaps qualifying as fair value hedging and the hedged items were included in Other Noninterest Income.

Schedule of amounts related to cumulative basis adjustments for fair value hedges

					Cumulative Amount of Fair Value
					Hedging Adjustment Included in the
	Carrying Amount of the Hedged Asset				Carrying Amount of the Hedged Asset
(dollars in thousands)	June 30, 2019		December 31, 2018		June 30, 2019		December 31, 2018
Line Item in the Consolidated Balance Sheets in Which the Hedged Item is Included
Loans and leases	$	24,710	$	42,496	$	971	$	293

Summary of effect of cash flow hedging relationships

	Three Months Ended		Six Months Ended
(dollars in thousands)	June 30, 2018		June 30, 2018
Pretax gains recognized in other comprehensive income on derivatives (effective portion)	$	425	$	1,163

Summary of impact on pretax earnings of derivatives not designated as hedges

	Net gains (losses) recognized	Three Months Ended				Six Months Ended
	in the consolidated statements	June 30,				June 30,
(dollars in thousands)	of income line item	2019		2018		2019		2018
Derivatives Not Designated As Hedging Instruments:
Interest rate swaps	Other noninterest income	$	—	$	227	$	16	$	631
Funding swap	Other noninterest income		(247)		4		(242)		(80)
Foreign exchange contracts	Other noninterest income		(1)		(30)		(1)		(92)