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Derivative Financial Instruments (Tables) | 9 Months Ended
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Sep. 30, 2017
Derivative Financial Instruments |
Summary of notional amounts and fair values of derivatives held |
|  | September 30, 2017 |  | December 31, 2016
|  |  |  |  | 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 |  | $ | 196,173 |  | $ | — |  | $ | (3,343) |  | $ | 200,504 |  | $ | — |  | $ | (5,296)
Derivatives not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | 1,727,957 |  |  | 19,743 |  |  | (15,503) |  |  | 1,297,101 |  |  | 15,982 |  |  | (18,299)
Funding swap |  |  | 41,536 |  |  | — |  |  | (5,975) |  |  | 37,143 |  |  | — |  |  | (7,460)
Foreign exchange contracts |  |  | 3,442 |  |  | 88 |  |  | (12) |  |  | 3,664 |  |  | — |  |  | (147)
| (1) |  | The positive fair value of derivative assets is included in other assets.
| (2) |  | The negative fair value of derivative liabilities is included in other liabilities.
Schedule of net gains and losses recognized in income related to derivatives in fair value hedging relationships |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
(dollars in thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Interest expense recorded in net interest income |  | $ | (142) |  | $ | (279) |  | $ | (511) |  | $ | (973)
Gains (losses) recorded in noninterest income: |  |  |  |  |  |  |  |  |  |  |  |
Recognized on derivatives |  |  | 150 |  |  | 479 |  |  | 274 |  |  | (1,039)
Recognized on hedged item |  |  | (224) |  |  | (481) |  |  | (222) |  |  | 1,065
Net gains (losses) recognized on fair value hedges (ineffective portion) |  |  | (74) |  |  | (2) |  |  | 52 |  |  | 26
Net losses recognized on fair value hedges |  | $ | (216) |  | $ | (281) |  | $ | (459) |  | $ | (947)
Summary of effect of cash flow hedging relationships |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
(dollars in thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Pretax gains recognized in other comprehensive income on derivatives (effective portion) |  | $ | 675 |  | $ | 1,545 |  | $ | 1,531 |  | $ | 917
Summary of impact on pretax earnings of derivatives not designated as hedges |
|  | Net gains (losses) recognized |  | Three Months Ended |  | Nine Months Ended
|  | in the consolidated statements |  | September 30, |  | September 30,
(dollars in thousands) |  | of income line item |  | 2017 |  | 2016 |  | 2017 |  | 2016
Derivatives Not Designated As Hedging Instruments: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | Other noninterest income |  | $ | 234 |  | $ | 378 |  | $ | 587 |  | $ | (17)
Funding swap |  | Other noninterest income |  |  | (41) |  |  | 6 |  |  | (74) |  |  | 25
Foreign exchange contracts |  | Other noninterest income |  |  | (149) |  |  | 72 |  |  | 78 |  |  | (50)

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 + Details
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