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Derivative Financial Instruments (Tables) | 9 Months Ended
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Sep. 30, 2024
Derivative Financial Instruments |
Summary of notional amounts and fair values of derivatives held | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 | ​ | December 31, 2023
​ | ​ | ​ | ​ | ​ | 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 | ​ | $ | 64,688 | ​ | $ | 7,914 | ​ | $ | — | ​ | $ | 267,500 | ​ | $ | 10,861 | ​ | $ | (1,799)
Interest rate collars | ​ | ​ | 200,000 | ​ | ​ | 404 | ​ | ​ | — | ​ | ​ | 200,000 | ​ | ​ | 703 | ​ | ​ | —
Derivatives not designated as hedging instruments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swaps | ​ | ​ | 2,697,465 | ​ | ​ | 7,802 | ​ | ​ | (8,849) | ​ | ​ | 2,753,801 | ​ | ​ | 1,204 | ​ | ​ | (521)
Visa derivative | ​ | ​ | 58,136 | ​ | ​ | — | ​ | ​ | (2,300) | ​ | ​ | 107,548 | ​ | ​ | — | ​ | ​ | (2,300)
Foreign exchange contracts | ​ | ​ | 253 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 66 | ​ | ​ | — | ​ | ​ | —
(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 | ​ | Nine Months Ended
​ | ​ | the consolidated statements | ​ | September 30, | ​ | September 30,
(dollars in thousands) |  | of income line item |  | 2024 |  | 2023 |  | 2024 |  | 2023
Gains (losses) on fair value hedging relationships recognized in interest income: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Recognized on interest rate swap | ​ | Loans and lease financing | ​ | $ | (3,109) | ​ | $ | 2,159 | ​ | $ | (2,948) | ​ | $ | 2,553
Recognized on hedged item | ​ | Loans and lease financing | ​ | ​ | 3,117 | ​ | ​ | (2,256) | ​ | ​ | 2,945 | ​ | ​ | (2,833)
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) |  | September 30, 2024 |  | December 31, 2023 |  | September 30, 2024 |  | December 31, 2023
Line item in the consolidated balance sheets in which the hedged item is included | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loans and leases | ​ | $ | 56,725 | ​ | $ | 56,592 | ​ | $ | (7,963) | ​ | $ | (10,908)
Summary of effect of cash flow hedging relationships | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
(dollars in thousands) |  | 2024 |  | 2023 |  | 2024 |  | 2023
Pretax net gains (losses) recognized in other comprehensive income on cash flow derivative hedges | ​ | $ | 501 | ​ | $ | (373) | ​ | $ | (325) | ​ | $ | (2,868)
Pretax net losses reclassified from accumulated other comprehensive income to interest income from loans and lease financing | ​ | ​ | 7 | ​ | ​ | 1,723 | ​ | ​ | 1,825 | ​ | ​ | 4,599
Summary of impact on pretax earnings of derivatives not designated as hedges | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Net losses recognized | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | in the consolidated statements | ​ | September 30, | ​ | September 30,
(dollars in thousands) |  | of income line item | ​ | 2024 |  | 2023 |  | 2024 |  | 2023
Derivatives Not Designated As Hedging Instruments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swaps | ​ | Other noninterest income | ​ | $ | (18) | ​ | $ | 26 | ​ | $ | (49) | ​ | $ | (532)
Visa derivative | ​ | Other noninterest income | ​ | ​ | (2,530) | ​ | ​ | (1,350) | ​ | ​ | (5,360) | ​ | ​ | (5,129)

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