Note 9 - Goodwill and Other Intangible Assets - Summary of Core Deposit Intangible Asset (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Gross Carrying Amount	$ 21,100	$ 17,225
Adjustment for Sale of Branch	(50)	0
Less: Accumulated Amortization	(9,155)	(7,058)
Net Carrying Amount	11,895	14,042
Texas Citizens Bancorp [Member]
Acquired in Acquisition	$ 0	$ 3,875