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Derivative Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2021
Derivative Financial Instruments |
Summary of notional amounts and fair values of derivatives held | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021 | ​ | December 31, 2020
​ | ​ | ​ | ​ | ​ | 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 | ​ | $ | 67,500 | ​ | $ | — | ​ | $ | (1,211) | ​ | $ | 22,451 | ​ | $ | — | ​ | $ | (1,276)
Derivatives not designated as hedging instruments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swaps | ​ | ​ | 2,827,582 | ​ | ​ | 50,898 | ​ | ​ | — | ​ | ​ | 3,002,333 | ​ | ​ | 129,888 | ​ | ​ | —
Visa derivative | ​ | ​ | 105,916 | ​ | ​ | — | ​ | ​ | (5,530) | ​ | ​ | 92,647 | ​ | ​ | — | ​ | ​ | (4,554)
Interest rate caps and floors | ​ | ​ | 148,800 | ​ | ​ | 27 | ​ | ​ | (27) | ​ | ​ | 148,800 | ​ | ​ | 7 | ​ | ​ | (7)
Foreign exchange contracts | ​ | ​ | 217 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 326 | ​ | ​ | — | ​ | ​ | —
Schedule of net gains and losses recognized in income related to derivatives in fair value hedging relationships | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gains (losses) recognized in | ​ | ​ | ​
​ | ​ | the consolidated statements | ​ | December 31, | ​
(dollars in thousands) |  | of income line item |  | 2021 |  | 2020 |  | 2019 |
Gains (losses) on fair value hedging relationships recognized in interest income: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Recognized on interest rate swap | ​ | Loans and lease financing | ​ | $ | (605) | ​ | $ | (594) | ​ | $ | (671) | ​
Recognized on hedged item | ​ | Loans and lease financing | ​ | ​ | 383 | ​ | ​ | 470 | ​ | ​ | 735 | ​
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) |  | December 31, 2021 |  | December 31, 2020 |  | December 31, 2021 |  | December 31, 2020
Line item in the consolidated balance sheets in which the hedged item is included | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Loans and leases | ​ | $ | 68,707 | ​ | $ | 24,355 | ​ | $ | 1,207 | ​ | $ | 1,487
Summary of impact on pretax earnings of derivatives not designated as hedges | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Net gains (losses) recognized | ​ | ​ | ​ | ​
​ | ​ | in the consolidated statements | December 31,
(dollars in thousands) |  | of income line item | 2021 |  | 2020 |  | 2019
Derivatives Not Designated As Hedging Instruments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swaps | ​ | Other noninterest income | $ | — | ​ | $ | — | ​ | $ | 16
Visa derivative | ​ | Other noninterest income | ​ | (5,909) | ​ | ​ | (4,641) | ​ | ​ | (5,355)
Foreign exchange contracts | ​ | Other noninterest income | ​ | — | ​ | ​ | — | ​ | ​ | 12

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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