Note 5 - Loans and ACL for Loans - Non-accrual Loans (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Non-accrual with no allowance		$ 2,975	$ 2,295
Non-accrual loans		19,058	14,242
Troubled Debt Restructurings, excluding non-accrual loans	[1]	110	0
Past due 90-days-or-more and still accruing interest			892
Home Equity Line of Credit [Member]
Non-accrual with no allowance		343	0
Non-accrual loans		467	205
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			0
Credit Cards [Member]
Non-accrual with no allowance		0	0
Non-accrual loans		10	0
Troubled Debt Restructurings, excluding non-accrual loans	[1]	110	0
Past due 90-days-or-more and still accruing interest			7
Commercial Real Estate Portfolio Segment [Member]
Non-accrual with no allowance		1,714	1,370
Non-accrual loans		9,534	10,232
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			78
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Non-accrual with no allowance		1,714	0
Non-accrual loans		8,649	7,707
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			78
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Non-accrual with no allowance		0	1,370
Non-accrual loans		885	2,525
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			0
Commercial and Industrial Portfolio Segment [Member] | Term [Member]
Non-accrual with no allowance		688	403
Non-accrual loans		4,456	1,182
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			259
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member]
Non-accrual with no allowance		0	273
Non-accrual loans		215	348
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			300
Commercial and Industrial Portfolio Segment [Member] | PPP Loans [Member]
Non-accrual with no allowance			0
Non-accrual loans			21
Troubled Debt Restructurings, excluding non-accrual loans	[1]		0
Past due 90-days-or-more and still accruing interest			28
Total Commercial and Industrial Portfolio Segment [Member]
Non-accrual with no allowance		688	676
Non-accrual loans		4,671	1,551
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			587
Residential Real Estate Portfolio Segment [Member]
Non-accrual with no allowance		230	249
Non-accrual loans		4,039	2,020
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			220
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Non-accrual with no allowance		0	0
Non-accrual loans		372	219
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			220
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Non-accrual with no allowance		230	249
Non-accrual loans		3,667	1,801
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			0
Construction and Development [Member]
Non-accrual with no allowance		0	0
Non-accrual loans		0	0
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			0
Consumer Portfolio Segment [Member]
Non-accrual with no allowance		0	0
Non-accrual loans		337	234
Troubled Debt Restructurings, excluding non-accrual loans	[1]	0	0
Past due 90-days-or-more and still accruing interest			0
Finance Leases Portfolio Segment [Member]
Non-accrual with no allowance		0	0
Non-accrual loans		0	0
Troubled Debt Restructurings, excluding non-accrual loans	[1]	$ 0	0
Past due 90-days-or-more and still accruing interest			$ 0

[1] Does not included TDRs captured in the non-accrual column.