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Note 18 - Derivative Instruments (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] |
|  | Derivative Assets (1) |  |  | Derivative Liabilities (2) |
|  | Notional |  |  | Fair |  |  | Notional |  |  | Fair |
(dollars in thousands) |  | Amount |  |  | Value |  |  | Amount |  |  | Value |
September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Designated as hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | — |  |  | $ | — |  |  | $ | 200,000 |  |  | $ | 97 |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | — |  |  |  | — |  |  |  | 200,000 |  |  |  | 55 |
Total derivatives designated as hedging instruments |  | $ | — |  |  | $ | — |  |  | $ | 400,000 |  |  | $ | 152 |
Not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps (3) |  | $ | 238,867 |  |  | $ | 10,660 |  |  | $ | 655,867 |  |  | $ | 10,664 |
Interest rate lock commitments |  |  | 36,252 |  |  |  | 425 |  |  |  | — |  |  |  | — |
Forward loan sales commitments |  |  | 638 |  |  |  | 12 |  |  |  | — |  |  |  | — |
To-be-announced mortgage backed securities |  |  | — |  |  |  | — |  |  |  | 47,500 |  |  |  | 9 |
Total asset derivatives not designated as hedging instruments |  | $ | 275,757 |  |  | $ | 11,097 |  |  | $ | 703,367 |  |  | $ | 10,673 |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Designated as hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | 200,000 |  |  | $ | 149 |  |  | $ | — |  |  | $ | — |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | 200,000 |  |  |  | 477 |  |  |  | 200,000 |  |  |  | 21 |
Total derivatives designated as hedging instruments |  | $ | 400,000 |  |  | $ | 626 |  |  | $ | 200,000 |  |  | $ | 21 |
Not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps (3) |  | $ | 347,575 |  |  | $ | 8,182 |  |  | $ | 364,575 |  |  | $ | 8,579 |
Interest rate lock commitments |  |  | 14,647 |  |  |  | 153 |  |  |  | — |  |  |  | — |
Forward loan sales commitments |  |  | 6,645 |  |  |  | 109 |  |  |  | — |  |  |  | — |
To-be-announced mortgage backed securities |  |  | 39,000 |  |  |  | 35 |  |  |  | — |  |  |  | — |
Total asset derivatives not designated as hedging instruments |  | $ | 407,867 |  |  | $ | 8,479 |  |  | $ | 364,575 |  |  | $ | 8,579 |
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  |  |  |  |  | Gains (Losses) |
|  | Gains (Losses) |  |  | Reclassified |
|  | Recognized in |  |  | from OCI |
(dollars in thousands) |  | OCI |  |  | into Earnings |
Derivatives designated as hedging instruments |  |  |  |  |  |  |  |
For the three months ended September 30, 2025 |  |  |  |  |  |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | 77 |  |  | $ | — |
For the three months ended September 30, 2024 |  |  |  |  |  |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | (616 | ) |  | $ | 253 |
For the nine months ended September 30, 2025 |  |  |  |  |  |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | 211 |  |  | $ | 721 |
For the nine months ended September 30, 2024 |  |  |  |  |  |  |  |
Cash flow hedges: |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | 625 |  |  | $ | 785 |
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] |
|  | Location and Amount of Gains (Losses) Recognized in Income |
|  | Interest Income |  |  | Interest Expense |
|  | Loans, |  |  | Investment |  |  |  |  |
|  | including |  |  | securities - |  |  | Short-term |
(dollars in thousands) |  | fees |  |  | Taxable |  |  | borrowings |
For the three months ended September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Total amounts in the Consolidated Statements of Income |  | $ | 63,875 |  |  | $ | 5,091 |  |  | $ | 2,506 |
Fair value hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | — |  |  |  | 150 |  |  |  | — |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | — |  |  |  | — |  |  |  | — |
For the three months ended September 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |
Total amounts in the Consolidated Statements of Income |  | $ | 42,593 |  |  | $ | 4,596 |  |  | $ | 6,706 |
Fair value hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | 46 |  |  |  | 653 |  |  |  | — |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | — |  |  |  | — |  |  |  | (253 | )
For the nine months ended September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Total amounts in the Consolidated Statements of Income |  | $ | 189,222 |  |  | $ | 16,108 |  |  | $ | 9,327 |
Fair value hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | — |  |  |  | 441 |  |  |  | — |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | — |  |  |  | — |  |  |  | 721 |
For the nine months ended September 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |
Total amounts in the Consolidated Statements of Income |  | $ | 123,551 |  |  | $ | 14,008 |  |  | $ | 19,748 |
Fair value hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | 367 |  |  |  | 1,954 |  |  |  | — |
Cash flow hedges: |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  |  | — |  |  |  | — |  |  |  | (785 | )
|  | September 30, 2025 |
|  |  |  |  |  |  |  |  |  | Cumulative Fair |
|  |  |  |  |  |  |  |  |  | Value Hedging |
|  |  |  |  |  |  |  |  |  | Adjustment in the |
|  |  |  |  |  | Carrying Amount |  |  | Carrying Amount of |
|  | Notional |  |  | of Hedged Assets/ |  |  | Hedged Assets/ |
(dollars in thousands) |  | Amount |  |  | Liabilities |  |  | Liabilities |
Mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |
Residential agency (1) |  | $ | 200,000 |  |  | $ | 200,100 |  |  | $ | 100 |
Total |  | $ | 200,000 |  |  | $ | 200,100 |  |  | $ | 100 |
|  | December 31, 2024 |
|  |  |  |  |  |  |  |  |  | Cumulative Fair |
|  |  |  |  |  |  |  |  |  | Value Hedging |
|  |  |  |  |  |  |  |  |  | Adjustment in the |
|  |  |  |  |  | Carrying Amount |  |  | Carrying Amount of |
|  | Notional |  |  | of Hedged Assets/ |  |  | Hedged Assets/ |
(dollars in thousands) |  | Amount |  |  | Liabilities |  |  | Liabilities |
Mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |
Residential agency (1) |  | $ | 200,000 |  |  | $ | 199,854 |  |  | $ | (146 | )
Total |  | $ | 200,000 |  |  | $ | 199,854 |  |  | $ | (146 | )
Derivative Instruments, Gain (Loss) [Table Text Block] |
(dollars in thousands) |  |  | Three months ended September 30, |  |  | Nine months ended September 30, |
Derivatives not designated as hedging instruments | Consolidated Statements of Income Location |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Interest rate swaps | Other noninterest income |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 21 |
Interest rate swaps | Mortgage banking |  |  | 14 |  |  |  | — |  |  |  | 392 |  |  |  | — |
Interest rate lock commitments | Mortgage banking |  |  | (247 | ) |  |  | (111 | ) |  |  | 350 |  |  |  | 100 |
Forward loan sales commitments | Mortgage banking |  |  | 100 |  |  |  | (116 | ) |  |  | (97 | ) |  |  | 54 |
To-be-announced mortgage backed securities | Mortgage banking |  |  | (223 | ) |  |  | (315 | ) |  |  | (563 | ) |  |  | (189 | )
Total gain (loss) from derivatives not designated as hedging instruments |  | $ | (356 | ) |  | $ | (542 | ) |  | $ | 82 |  |  | $ | (14 | )
Schedule Of Offsetting Derivative Assets And Liabilities [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Gross Amount |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Not Offset in the |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Consolidated |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Balance Sheets |  |  |  |  |
|  | Gross Amount |  |  | Gross Amount |  |  | Net Amount |  |  |  |  |  |  |  |  |
|  | Recognized in the |  |  | Offset in the |  |  | Presented in the |  |  |  |  |  |  |  |  |
|  | Consolidated |  |  | Consolidated |  |  | Consolidated |  |  | Cash Collateral |  |  |  |  |
(dollars in thousands) |  | Balance Sheets |  |  | Balance Sheets |  |  | Balance Sheets |  |  | Pledged (Received) |  |  | Net Amount |
September 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps − Company (1) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 115 |  |  | $ | 115 |
Interest rate swaps − dealer bank (1) |  |  | 3,056 |  |  |  | — |  |  |  | 3,056 |  |  |  | (4,585 | ) |  |  | (1,529 | )
Interest rate swaps − customer (2) |  |  | 7,604 |  |  |  | — |  |  |  | 7,604 |  |  |  | — |  |  |  | 7,604 |
To-be-announced mortgage backed securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 10,660 |  |  | $ | — |  |  | $ | 10,660 |  |  | $ | (4,470 | ) |  | $ | 6,190 |
Derivative liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps − Company (1) |  | $ | 152 |  |  | $ | — |  |  | $ | 152 |  |  | $ | — |  |  | $ | 152 |
Interest rate swaps − dealer bank (1) |  |  | 7,607 |  |  |  | — |  |  |  | 7,607 |  |  |  | — |  |  |  | 7,607 |
Interest rate swaps − customer (2) |  |  | 3,057 |  |  |  | — |  |  |  | 3,057 |  |  |  | — |  |  |  | 3,057 |
To-be-announced mortgage backed securities |  |  | 9 |  |  |  | — |  |  |  | 9 |  |  |  | — |  |  |  | 9 |
Total |  | $ | 10,825 |  |  | $ | — |  |  | $ | 10,825 |  |  | $ | — |  |  | $ | 10,825 |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Gross Amount |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Not Offset in the |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Consolidated |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Balance Sheets |  |  |  |  |
|  | Gross Amount |  |  | Gross Amount |  |  | Net Amount |  |  |  |  |  |  |  |  |
|  | Recognized in the |  |  | Offset in the |  |  | Presented in the |  |  |  |  |  |  |  |  |
|  | Consolidated |  |  | Consolidated |  |  | Consolidated |  |  | Cash Collateral |  |  |  |  |
(dollars in thousands) |  | Balance Sheets |  |  | Balance Sheets |  |  | Balance Sheets |  |  | Pledged (Received) |  |  | Net Amount |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps − Company (1) |  | $ | 626 |  |  | $ | — |  |  | $ | 626 |  |  | $ | (683 | ) |  | $ | (57 | )
Interest rate swaps − dealer bank (1) |  |  | 5,606 |  |  |  | — |  |  |  | 5,606 |  |  |  | (177 | ) |  |  | 5,429 |
Interest rate swaps − customer (2) |  |  | 2,576 |  |  |  | — |  |  |  | 2,576 |  |  |  |  |  |  |  | 2,576 |
To-be-announced mortgage backed securities |  |  | 35 |  |  |  | — |  |  |  | 35 |  |  |  | — |  |  |  | 35 |
Total |  | $ | 8,843 |  |  | $ | — |  |  | $ | 8,843 |  |  | $ | (860 | ) |  | $ | 7,983 |
Derivative liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps − Company (1) |  | $ | 21 |  |  | $ | — |  |  | $ | 21 |  |  | $ | 59 |  |  | $ | (38 | )
Interest rate swaps − dealer bank (1) |  |  | 2,863 |  |  |  | — |  |  |  | 2,863 |  |  |  | 3,841 |  |  |  | (978 | )
Interest rate swaps − customer (2) |  |  | 5,716 |  |  | $ | — |  |  |  | 5,716 |  |  |  | — |  |  |  | 5,716 |
To-be-announced mortgage backed securities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 8,600 |  |  | $ | — |  |  | $ | 8,600 |  |  | $ | 3,900 |  |  | $ | 4,700 |

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