Note 9 - Loan Servicing - Schedule of Servicing Assets at Amortized Value (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Balance at beginning of period		$ 2,643	$ 1,880
Additions, net of valuation reserve (1)	[1]	300	1,538
Amortization (2)	[2]	(595)	(524)
Balance at end of period		2,348	2,894
Less valuation reserve (3)	[3]	(296)	(251)
Balance at end of period, net of valuation reserve		2,052	2,643
Fair value, beginning of period		2,314	1,892
Fair value, end of period		$ 2,062	$ 2,314

[1] Associated income was reported within mortgage banking income, net on the consolidated statements of income.

[2] Associated amortization expense was reported within other noninterest income on the consolidated statements of income.

[3] Associated valuation reserve was reported within mortgage and lending expenses on the consolidated statements of income.