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Note 5 - DERIVATIVES AND HEDGING ACTIVITIES - Cash flow hedging and fair value (Details) - Non Designated - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Interest And Dividend Income |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Income and expense line items presented in the consolidated statements of income | $ 68,205 | $ 48,903 | $ 119,267 | $ 96,468
Interest Expense |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Income and expense line items presented in the consolidated statements of income | 8,805 | 5,387 | 14,134 | 10,977
Interest Rate Caps On Deposits | Interest Expense |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Gain Loss From Components Excluded From Assessment Of Cash Flow Hedge Effectiveness Net | 241 | 163 | 462 | 314
Interest Rate Swaps on Variable Rate Loans | Interest And Dividend Income |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Gain Loss From Components Excluded From Assessment Of Cash Flow Hedge Effectiveness Net | 671 |  | 1,142 |
Interest Rate Swap on Junior Subordinated Debentures | Interest Expense |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract] |  |  |  |
Gain Loss From Components Excluded From Assessment Of Cash Flow Hedge Effectiveness Net | $ 196 | $ 276 | $ 463 | $ 545

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- Definition The net gain (loss) relating to components of the gain (loss) on the cash flow hedging instrument excluded from the assessment of cash flow hedge effectiveness. Recognized in earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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