Note 4 - Loans - Schedule of Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Loans, gross	$ 4,776,477	$ 3,304,713
Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	14,711	13,909
Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	4,158	3,038
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	44,636	26,215
Financial Asset, Past Due [Member]
Loans, gross	63,505	43,162
Financial Asset, Not Past Due [Member]
Loans, gross	4,712,972	3,261,551
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Loans, gross	627,267	392,871
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	697	419
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	506	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	6,776	1,553
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, Past Due [Member]
Loans, gross	7,979	2,990
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	619,288	389,881
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member]
Loans, gross	1,016,574	710,076
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	48	8
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	378	0
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	12,803	13,184
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, Past Due [Member]
Loans, gross	13,229	13,192
Commercial Real Estate Portfolio Segment [Member] \| Nonowner Occupied [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	1,003,345	696,884
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member]
Loans, gross	228,079	211,231
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	182	116
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	6	163
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	1,813	1,917
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Past Due [Member]
Loans, gross	2,001	2,196
Commercial Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	226,078	209,035
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member]
Loans, gross	377,709	294,008
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	991	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	1,532	1,093
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Past Due [Member]
Loans, gross	2,523	1,093
Commercial Real Estate Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	375,186	292,915
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Loans, gross	594,055	341,737
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	1,099	1,064
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	227	174
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	15,105	2,860
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Past Due [Member]
Loans, gross	16,431	4,098
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	577,624	337,639
Commercial Portfolio Segment [Member] \| Agricultural [Member]
Loans, gross	57,783	55,089
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	170	235
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	55	30
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	178	159
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, Past Due [Member]
Loans, gross	403	424
Commercial Portfolio Segment [Member] \| Agricultural [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	57,380	54,665
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member]
Loans, gross	1,231,268	851,180
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	9,331	9,848
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	2,089	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	4,489	3,695
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, Past Due [Member]
Loans, gross	15,909	14,665
Residential Portfolio Segment [Member] \| 1-4 Family Residential [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	1,215,359	836,515
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Loans, gross	361,043	181,786
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	416	75
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	210	54
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	1,289	1,113
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, Past Due [Member]
Loans, gross	1,915	1,242
Residential Portfolio Segment [Member] \| Home Equity Loan [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	359,128	180,544
Consumer Portfolio Segment [Member] \| Other Loans [Member]
Loans, gross	12,310	10,074
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	92	17
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	1	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	190	114
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	12,120	9,960
Consumer Portfolio Segment [Member] \| 1-4 Family Residential [Member]
Loans, gross	1,231,268	851,180
Consumer Portfolio Segment [Member] \| Home Equity Loan [Member]
Loans, gross	361,043	181,786
Consumer Portfolio Segment [Member] \| Indirect Loans [Member]
Loans, gross	248,927	240,110
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	1,640	2,090
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	680	470
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	530	523
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, Past Due [Member]
Loans, gross	2,850	3,083
Consumer Portfolio Segment [Member] \| Indirect Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	246,077	237,027
Consumer Portfolio Segment [Member] \| Direct Loans [Member]
Loans, gross	21,462	16,551
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	45	37
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	6	7
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	24	21
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, Past Due [Member]
Loans, gross	75	65
Consumer Portfolio Segment [Member] \| Direct Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	$ 21,387	$ 16,486

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

Jun. 30, 2026

Dec. 31, 2025

Loans, gross

$ 4,776,477

$ 3,304,713

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

Loans, gross

14,711

13,909

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

Loans, gross