Note 7 - Goodwill and Intangibles (Details Textual) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Goodwill, Ending Balance	$ 71,498,000		$ 71,498,000		$ 71,498,000
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	9.60%		9.60%
Goodwill, Impairment Loss	$ 0
Amortization of Intangible Assets			$ 1,976,000	$ 3,023,000
Core Deposits [Member]
Finite-Lived Intangible Assets, Gross	3,000,000		3,000,000		3,700,000
Amortization of Intangible Assets	$ 236,000	$ 277,000	$ 708,000		$ 833,000
Core Deposits [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	8 years		8 years
Core Deposits [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years		10 years