Note 3 - LOANS/LEASES RECEIVABLE - Leases By Delinquency Status (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Loan	$ 6,190,022	$ 6,138,871
Delinquency Status [Member]
2023	81,964	298,706
2022	248,254	173,708
2021	162,625	110,850
2020	105,113	31,060
2019	28,170	15,942
Prior	62,333	50,417
Revolving Loans Amortized Cost Basis	75,588	71,174
Loan	764,047	751,857
Nonperforming Financial Instruments [Member]
Loan	22,962	8,770
C&I - other
Loan		1,451,693
C&I - other | Nonperforming Financial Instruments [Member]
Loan	4,770	3,140
Commercial Portfolio Segment [Member]
Loan	1,727,943	1,748,562
Commercial Portfolio Segment [Member] | C&I - other
Loan	1,420,331	1,451,693
Commercial Portfolio Segment [Member] | C&I - other | Delinquency Status [Member]
2023	43,765	171,290
2022	148,546	71,014
2021	63,697	25,695
2020	22,334	8,161
2019	6,603	1,804
Prior	1,176	79
Loan	286,121	278,043
Commercial Portfolio Segment [Member] | C&I - other | Performing Loans
2023	43,765	170,180
2022	145,880	69,694
2021	62,307	25,540
2020	22,270	8,066
2019	6,566	1,804
Prior	1,176	79
Loan	281,964	275,363
Commercial Portfolio Segment [Member] | C&I - other | Nonperforming Financial Instruments [Member]
2023		1,110
2022	2,666	1,320
2021	1,390	155
2020	64	95
2019	37
Loan	4,157	2,680
Direct financing leases
Loan	35,373	31,889
Direct financing leases | Delinquency Status [Member]
2023	5,256	28,785
2022	15,409	360
2021	4,738	10
2020	4,948	3
2019	3,767	62
Prior	1,255
Loan	35,373	29,220
Direct financing leases | Performing Loans
2023	5,256	28,785
2022	15,409	360
2021	4,710	10
2020	4,926	3
2019	3,753	62
Prior	1,201
Loan	35,255	29,220
Direct financing leases | Nonperforming Financial Instruments [Member]
2021	28
2020	22
2019	14
Prior	54
Loan	118	135
Construction and Land Development [Member] | Construction Loans [Member] | Delinquency Status [Member]
2023	3,059	14,578
2022	10,978	5,204
2021	331	5,788
2020	10	4,405
2019	3	1,544
Prior	61	370
Loan	14,442	31,889
Construction and Land Development [Member] | Construction Loans [Member] | Performing Loans
2023	3,059	14,578
2022	10,978	5,172
2021	331	5,700
2020	10	4,398
2019	3	1,536
Prior	61	370
Loan	14,442	31,754
Construction and Land Development [Member] | Construction Loans [Member] | Nonperforming Financial Instruments [Member]
2022		32
2021		88
2020		7
2019		8
Loan		135
1-4 family real estate
Loan	532,491	499,529
1-4 family real estate | Nonperforming Financial Instruments [Member]
Loan	2,287	2,046
1-4 family real estate | One To Four Family [Member] | Delinquency Status [Member]
2023	23,843	69,361
2022	61,143	93,286
2021	90,530	75,640
2020	74,481	17,368
2019	16,852	11,389
Prior	57,421	48,584
Revolving Loans Amortized Cost Basis	83	90
Loan	324,353	315,718
1-4 family real estate | One To Four Family [Member] | Performing Loans
2023	23,843	69,094
2022	61,010	92,762
2021	90,018	75,153
2020	74,002	17,089
2019	16,392	11,381
Prior	56,749	48,136
Revolving Loans Amortized Cost Basis	83	90
Loan	322,097	313,705
1-4 family real estate | One To Four Family [Member] | Nonperforming Financial Instruments [Member]
2023		267
2022	133	524
2021	512	487
2020	479	279
2019	460	8
Prior	672	448
Loan	2,256	2,013
Consumer
Loan	116,522	110,421
Consumer | Nonperforming Financial Instruments [Member]
Loan	266	353
Consumer | Consumer. | Delinquency Status [Member]
2023	6,041	14,692
2022	12,178	3,844
2021	3,329	3,717
2020	3,340	1,123
2019	945	1,143
Prior	2,420	1,384
Revolving Loans Amortized Cost Basis	75,505	71,084
Loan	103,758	96,987
Consumer | Consumer. | Performing Loans
2023	6,041	14,685
2022	12,171	3,844
2021	3,329	3,717
2020	3,340	1,123
2019	945	1,140
Prior	2,379	1,325
Revolving Loans Amortized Cost Basis	75,460	70,974
Loan	103,665	96,808
Consumer | Consumer. | Nonperforming Financial Instruments [Member]
2023		7
2022	7
2019		3
Prior	41	59
Revolving Loans Amortized Cost Basis	45	110
Loan	$ 93	$ 179