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Note 3 - Loans and Allowance for Loan Losses - Concentrations Within the Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, before Allowance for Credit Loss	$ 4,600,781	$ 4,303,758
Commercial Real Estate Loans to Lessors of Non Residential Buildings [Member]
Financing Receivable, before Allowance for Credit Loss	$ 822,402	$ 754,611
Percent of portfolio	17.90%	17.50%

X

- Definition

Loan portfolio classes and segments expressed as a percentage of the companies aggregate loans.

+ References

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X

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

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