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Note 3 - Loans Receivable and Allowance for Credit Losses - Loans - Schedule of Financing Receivable, Modified, Past Due (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($)
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	$ 0
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	9,349
Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	9,349
Commercial and Speculative Construction and Development [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	0
Commercial and Speculative Construction and Development [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	0
Commercial and Speculative Construction and Development [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	9,150
Commercial and Speculative Construction and Development [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	9,150
Commercial And Industrial [Member] | Commercial Business Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	0
Commercial And Industrial [Member] | Commercial Business Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	0
Commercial And Industrial [Member] | Commercial Business Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	199
Commercial And Industrial [Member] | Commercial Business Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	$ 199

X

- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

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