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Note 6 - Loans and the Allowance for Credit Losses - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Gross loans | $ 11,169,138 | $ 8,280,482
Real Estate [Member] |  |
Gross loans | 264,981 | 43,054
Other Collateral Pledged [Member] |  |
Gross loans | 9,246 | 9,222
Collateral Pledged [Member] |  |
Gross loans | 274,227 | 52,276
Commercial Portfolio Segment [Member] |  |
Gross loans | 1,607,528 | 1,532,730
Commercial Portfolio Segment [Member] | Real Estate [Member] |  |
Gross loans | 9,023 | 2,308
Commercial Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |
Gross loans | 9,246 | 9,222
Commercial Portfolio Segment [Member] | Collateral Pledged [Member] |  |
Gross loans | 18,269 | 11,530
Commercial Real Estate Portfolio Segment [Member] |  |
Gross loans | 7,624,033 | 5,880,679
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |  |
Gross loans | 249,896 | 36,486
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |
Gross loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] |  |
Gross loans | 249,896 | 36,486
Commercial Construction Portfolio Segment [Member] |  |
Gross loans | 681,222 | 616,246
Commercial Construction Portfolio Segment [Member] | Real Estate [Member] |  |
Gross loans | 2,204 | 2,204
Commercial Construction Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |
Gross loans | 0 | 0
Commercial Construction Portfolio Segment [Member] | Collateral Pledged [Member] |  |
Gross loans | 2,204 | 2,204
Residential Portfolio Segment [Member] |  |
Gross loans | 1,254,646 | 249,691
Residential Portfolio Segment [Member] | Real Estate [Member] |  |
Gross loans | 3,858 | 2,056
Residential Portfolio Segment [Member] | Other Collateral Pledged [Member] |  |
Gross loans | 0 | 0
Residential Portfolio Segment [Member] | Collateral Pledged [Member] |  |
Gross loans | $ 3,858 | $ 2,056

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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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