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Note 8 - Loans (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Financing Receivable, Nonaccrual	$ 162,834,000		$ 162,834,000		$ 66,681,000
Percentage Of Charge Off To Contractual Balances For Impaired Loans	10.00%		10.00%		15.80%
Financing Receivable, Nonaccrual, With Allowance	$ 27,683,000		$ 27,683,000		$ 0
Financing Receivable, Modified, Subsequent Default	0		0
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	0		0
Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance	5,190,000		5,190,000		$ 0
Financing Receivable, Reclassification to Held-for-Sale		$ 0		$ 0
Gain (Loss) on Sale of Loans, Net			58,100
Loans, Fair Value Adjustment	0		0
Loans, Adjustments to Record Loans at the Lower-of-cost	0		0
Commercial Portfolio Segment [Member]
Financing Receivable, Nonaccrual, With Allowance	16,976,000		16,976,000
Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance	5,200,000		5,200,000
Financing Receivable, Reclassification to Held-for-Sale	5,200,000		112,100,000
Financing Receivable, Sale			107,000,000
Real Estate Construction Portfolio Segment [Member]
Financing Receivable, Reclassification to Held-for-Sale			23,000,000
Financing Receivable, Sale and Reclassification to Held-for-Sale	$ 23,000,000
Financing Receivable, Sale			$ 23,000,000
Minimum [Member]
Period Loan Is In Payment Default (Day)			60 days
Maximum [Member]
Period Loan Is In Payment Default (Day)			90 days

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- Definition

Amortized cost of financing receivable on nonaccrual status with allowance. Excludes net investment in lease.

+ References

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The net gain (loss) resulting from a sale of loans, excluding adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

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