Note 8 - Loans (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual	$ 98,107	$ 66,681
Percentage Of Charge Off To Contractual Balances For Impaired Loans	4.40%	15.80%
Financing Receivable, Modified, Subsequent Default	$ 0
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	$ 0
Minimum [Member]
Period Loan Is In Payment Default (Day)	60 days
Maximum [Member]
Period Loan Is In Payment Default (Day)	90 days