Note 7 - Goodwill and Other Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets, Gross	$ 49,015	$ 49,015
Finite-Lived Intangible Assets, Accumulated Amortization	(35,829)	(31,857)
Finite-Lived Intangible Assets, Net	13,186	17,158
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	41,423	41,423
Finite-Lived Intangible Assets, Accumulated Amortization	(32,982)	(29,959)
Finite-Lived Intangible Assets, Net	8,441	11,464
Core Deposits [Member]
Finite-Lived Intangible Assets, Gross	7,592	7,592
Finite-Lived Intangible Assets, Accumulated Amortization	(2,847)	(1,898)
Finite-Lived Intangible Assets, Net	$ 4,745	$ 5,694