Note 10 - Loans and Allowance for Credit Losses - Past Due Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Loans	$ 2,428,511	$ 2,546,845
Financial Asset, 30 to 59 Days Past Due [Member]
Loans	2,534	6,854
Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	8,951	13,213
Financial Asset, Past Due [Member]
Loans	11,485	20,067
Financial Asset, Not Past Due [Member]
Loans	2,417,026	2,526,778
Consumer Portfolio Segment [Member]
Loans	2,451	2,810
Consumer Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	11
Consumer Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Consumer Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Consumer Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans	0	11
Consumer Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	2,451	2,799
Real Estate Loan [Member]
Loans	1,886,092	1,833,125
Real Estate Loan [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	2,368	6,712
Real Estate Loan [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Loan [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	8,075	1,909
Real Estate Loan [Member] \| Financial Asset, Past Due [Member]
Loans	10,443	8,621
Real Estate Loan [Member] \| Financial Asset, Not Past Due [Member]
Loans	1,875,649	1,824,504
Real Estate Loan [Member] \| Residential Portfolio Segment [Member]
Loans	342,062	359,514
Real Estate Loan [Member] \| Residential Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	18
Real Estate Loan [Member] \| Residential Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Loan [Member] \| Residential Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	302	192
Real Estate Loan [Member] \| Residential Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans	302	210
Real Estate Loan [Member] \| Residential Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	341,760	359,304
Real Estate Loan [Member] \| Commercial Real Estate Portfolio Segment [Member]
Loans	1,465,022	1,390,890
Real Estate Loan [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	2,356	4,657
Real Estate Loan [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Loan [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	5,095	0
Real Estate Loan [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans	7,451	4,657
Real Estate Loan [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	1,457,571	1,386,233
Real Estate Loan [Member] \| Other Construction/Land [Member]
Loans	15,891	14,414
Real Estate Loan [Member] \| Other Construction/Land [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	0
Real Estate Loan [Member] \| Other Construction/Land [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Loan [Member] \| Other Construction/Land [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Real Estate Loan [Member] \| Other Construction/Land [Member] \| Financial Asset, Past Due [Member]
Loans	0	0
Real Estate Loan [Member] \| Other Construction/Land [Member] \| Financial Asset, Not Past Due [Member]
Loans	15,891	14,414
Real Estate Loan [Member] \| Farmland [Member]
Loans	63,117	68,307
Real Estate Loan [Member] \| Farmland [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	12	2,037
Real Estate Loan [Member] \| Farmland [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Loan [Member] \| Farmland [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	2,678	1,717
Real Estate Loan [Member] \| Farmland [Member] \| Financial Asset, Past Due [Member]
Loans	2,690	3,754
Real Estate Loan [Member] \| Farmland [Member] \| Financial Asset, Not Past Due [Member]
Loans	60,427	64,553
Other Commercial [Member]
Loans	179,642	192,577
Other Commercial [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	166	131
Other Commercial [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Other Commercial [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	876	11,304
Other Commercial [Member] \| Financial Asset, Past Due [Member]
Loans	1,042	11,435
Other Commercial [Member] \| Financial Asset, Not Past Due [Member]
Loans	178,600	181,142
Mortgage Warehouse Facilities [Member]
Loans	360,326	518,333
Mortgage Warehouse Facilities [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	0
Mortgage Warehouse Facilities [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Mortgage Warehouse Facilities [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Mortgage Warehouse Facilities [Member] \| Financial Asset, Past Due [Member]
Loans	0	0
Mortgage Warehouse Facilities [Member] \| Financial Asset, Not Past Due [Member]
Loans	$ 360,326	$ 518,333

Note 10 - Loans and Allowance for Credit Losses - Past Due Loans (Details) - USD ($)
$ in Thousands

Sep. 30, 2026

Dec. 31, 2025

Loans

$ 2,428,511

$ 2,546,845

Financial Asset, 30 to 59 Days Past Due [Member]

Loans

2,534

6,854

Financial Asset, 60 to 89 Days Past Due [Member]

Loans