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Note 4 - Loans and Allowance for Credit Losses - Loans (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Financing Receivable Number Of Loans 90 Days Past Due And Still Accruing |  | $ 0 |  |
Financing Receivable, Nonaccrual, Interest Income |  | 0 |  | $ 0
Financing Receivable, Nonaccrual |  | 69,843 | [1] | 31,619
Financing Receivable, Interest Income Recognized on a Cash Basis |  | 0 |  | 0
Financing Receivable, Modified, Accumulated |  | 54,400 |  | 0
Financing Receivable, Modified in Period, Amount |  | 54,383 |  |
Reserve for Unfunded Commitments |  | 729 |  | 640
Financing Receivable, Modified, Commitment to Lend |  | 5,600 |  |
Extended Maturity [Member] |  |  |  |
Financing Receivable, Modified in Period, Amount |  | 35,839 |  |
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Nonaccrual | [2] | 4,819 |  | $ 854
Commercial and Industrial [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable, Nonaccrual |  | 4,700 |  |
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Modified in Period, Amount |  | 6,800 |  |
Single Family Residential Mortgages Loans [Member] |  |  |  |
Mortgage Loans in Process of Foreclosure, Amount |  | 4,400 |  |
Construction And Land Development Loans [Member] |  |  |  |
Financing Receivable, Modified in Period, Amount |  | 47,600 |  |
Construction And Land Development Loans [Member] | Extended Maturity [Member] |  |  |  |
Financing Receivable, Modified in Period, Amount |  | 35,800 |  |
Construction And Land Development Loans [Member] | Multi-family Residential and Commercial [Member] |  |  |  |
Financing Receivable, Modified in Period, Amount |  | 26,400 |  |
Reserve for Unfunded Commitments |  | $ 4,500 |  |
[1] | Included in total loans
[2] | A C&I loan of $4.7 million is secured by a SFR and is cross collateralized with a CRE loan with a specific reserve.

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