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v3.25.3

Note 10 - Borrowed Funds (Details Textual) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Securities Sold under Agreements to Repurchase | $ 125,000 | $ 0
Advance from Federal Home Loan Bank | 190,000 | 60,000
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds | 7,500,000 | 7,470,000
Junior Subordinated Notes, Noncurrent | $ 119,100 | $ 119,100
Junior Subordinated Debt [Member] |  |
Debt Instrument, Interest Rate, Effective Percentage | 6.84% | 7.75%
Debt Instrument, Term (Year) | 30 years |
Asset Not Pledged as Collateral [Member] | Federal Home Loan Bank Securities [Member] |  |
Debt Securities, Available-for-Sale | $ 1,620 | $ 1,530,000
Non Overnight Borrowings [Member] |  |
Advance from Federal Home Loan Bank | $ 190,000 | $ 60,000
Federal Home Loan Bank, Advance, Branch of FHLBank, Interest Rate | 4.45% | 5.08%
Mature in April 2025 [Member] |  |
Advance from Federal Home Loan Bank | $ 190,000 |

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