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Derivative Instruments (Tables) | 12 Months Ended
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Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Fair Value Of Derivative Instruments | The following table summarizes the notional and fair value of these derivative instruments (in thousands):
| December 31, 2020 |  | December 31, 2019
| Notional Amount |  | Fair Value |  | Notional Amount |  | Fair Value
Non-hedging interest rate derivatives: |  |  |  |  |  |  |
Customer counterparties: |  |  |  |  |  |  |
Loan interest rate swap - assets | $ | 647,613 |  |  | $ | 52,364 |  |  | $ | 377,534 |  |  | $ | 16,094 |
Loan interest rate swap - liabilities | 37,721 |  |  | 562 |  |  | 189,803 |  |  | 3,214 |
Non-hedging interest rate derivatives: |  |  |  |  |  |  |
Financial institution counterparties: |  |  |  |  |  |  |
Loan interest rate swap - assets | 37,721 |  |  | 562 |  |  | 189,803 |  |  | 3,214 |
Loan interest rate swap - liabilities | 661,866 |  |  | 52,607 |  |  | 382,566 |  |  | 16,133 |
Change In Fair Value Of Derivative Instruments | The following table summarizes the change in fair value of these derivative instruments (in thousands):
| Year Ended December 31,
| 2020 | 2019 | 2018
Change in Fair Value Non-Hedging Interest Rate Derivatives: |  |  |
Other income - derivative assets | $ | 27,240 |  | $ | 4,342 |  | $ | 1,316 |
Other income - derivative liabilities | (27,240) |  | (4,342) |  | (1,316) |
Other expense - derivative liabilities | 206 |  | 165 |  | 50 |

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
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