Note 4 - Goodwill (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Goodwill, Ending Balance	$ 194,074	$ 194,074
Commercial Banking [Member]
Goodwill, Ending Balance	172,000	172,000
WM&T [Member]
Goodwill, Ending Balance	$ 22,000	$ 22,000

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details