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Note 11 - FHLB Advances and Other Borrowings (Details Textual) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025 | Aug. 06, 2024
Advance from Federal Home Loan Bank | $ 300,000 |  | $ 300,000 |
Proceeds from FHLBank Advance, Investing Activities | 300,000 | $ 775,000 |  |
Payments of FHLBank Borrowings, Financing Activities | 300,000 | 775,000 |  |
Proceeds from FHLBank Advance, Investing Activities, Net of Short Term Maturities | 300,000 | 300,000 |  |
Payments of FHLBank Borrowings, Financing Activities, Net of Short Term Maturities | 300,000 | $ 300,000 |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available | 1,520,000 |  | 1,470,000 |
Correspondent Banks [Member] |  |  |  |
Federal Funds Corresponding Banks Maximum Amount Available | 80,000 |  | 80,000 |
Federal Funds From Corresponding Banks, Amount Outstanding | 0 |  | $ 0 |
Three Month Advance Maturing November 2024 [Member] |  |  |  |
Advance from Federal Home Loan Bank | $ 300,000 |  |  | $ 100,000

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- Definition Represents the amount outstanding from federal funds from corresponding banks. + References No definition available. + Details
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- Definition Amount of cash outflow for repayment of Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity, net of maturities of 90 days or less. + References No definition available. + Details
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- Definition Amount of cash inflow from collection of advance by Federal Home Loan Bank (FHLBank), classified as investing activity, net of advances with maturities of 90 days or less. + References No definition available. + Details
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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478878/942-470-45-1 + Details
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- Definition Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478878/942-470-45-1 + Details
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- Definition Amount of cash inflow from collection of advance by Federal Home Loan Bank (FHLBank), classified as investing activity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition Amount of cash outflow for repayment of Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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