Note 4 - Loans - Schedule of Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Loans, gross	$ 4,800,064	$ 3,304,713
Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	13,296	13,909
Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	1,404	3,038
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	59,854	26,215
Financial Asset, Past Due [Member]
Loans, gross	74,554	43,162
Financial Asset, Not Past Due [Member]
Loans, gross	4,725,510	3,261,551
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Loans, gross	626,539	392,871
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	376	419
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	0	1,018
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	7,807	1,553
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, Past Due [Member]
Loans, gross	8,183	2,990
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	618,356	389,881
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member]
Loans, gross	1,047,368	710,076
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	106	8
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	0	0
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	23,453	13,184
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, Past Due [Member]
Loans, gross	23,559	13,192
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	1,023,809	696,884
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member]
Loans, gross	231,455	211,231
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	112	116
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	160	163
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	1,879	1,917
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Past Due [Member]
Loans, gross	2,151	2,196
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	229,304	209,035
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member]
Loans, gross	403,368	294,008
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	990	0
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	0	0
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	1,576	1,093
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Past Due [Member]
Loans, gross	2,566	1,093
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	400,802	292,915
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans, gross	592,957	341,737
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	641	1,064
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	390	174
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	17,595	2,860
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Past Due [Member]
Loans, gross	18,626	4,098
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	574,331	337,639
Commercial Portfolio Segment [Member] \| Agricultural [Member]
Loans, gross	53,304	55,089
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	239	235
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	25	30
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	161	159
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, Past Due [Member]
Loans, gross	425	424
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	52,879	54,665
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member]
Loans, gross	1,220,716	851,180
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	8,634	9,848
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	59	1,122
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	5,214	3,695
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, Past Due [Member]
Loans, gross	13,907	14,665
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	1,206,809	836,515
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Loans, gross	349,918	181,786
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	695	75
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	227	54
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	1,510	1,113
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, Past Due [Member]
Loans, gross	2,432	1,242
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	347,486	180,544
Consumer Portfolio Segment [Member] \| Other Loans [Member]
Loans, gross	10,024	10,074
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	32	17
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	0	0
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	97	97
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Past Due [Member]
Loans, gross	129	114
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	9,895	9,960
Consumer Portfolio Segment [Member] \| 1-4 Family Residential [Member]
Loans, gross	1,220,716	851,180
Consumer Portfolio Segment [Member] \| Home Equity Loan [Member]
Loans, gross	349,918	181,786
Consumer Portfolio Segment [Member] \| Indirect Loans [Member]
Loans, gross	242,803	240,110
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	1,372	2,090
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	513	470
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	558	523
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, Past Due [Member]
Loans, gross	2,443	3,083
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	240,360	237,027
Consumer Portfolio Segment [Member] \| Direct Loans [Member]
Loans, gross	21,612	16,551
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	99	37
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	30	7
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	4	21
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, Past Due [Member]
Loans, gross	133	65
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	$ 21,479	$ 16,486

Note 4 - Loans - Schedule of Past Due Loans (Details) - USD ($)
$ in Thousands

Mar. 31, 2026

Dec. 31, 2025

Loans, gross

$ 4,800,064

$ 3,304,713

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

Loans, gross

13,296

13,909

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

Loans, gross