Note 3 - LOANS LEASES RECEIVABLE - Aging of the Loan Lease Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accruing Past Due 90 Days or More	$ 4
Loans and leases	$ 4,827,868	$ 4,680,132
Accruing past due 90 days or more as a percentage of total loan/lease portfolio	0.00%
Loans and leases as a percentage of total loan/lease portfolio	100.00%	100.00%
C&I - revolving
Loans and leases		$ 248,483
C&I - other
Loans and leases		1,346,602
Owner Occupied Commercial Real Estate Loans [Member]
Loans and leases		421,701
CRE - non owner occupied
Loans and leases		646,500
Current
Loan	$ 4,821,125	$ 4,666,986
Current as a percentage of total loan/lease portfolio	99.86%	99.57%
Current \| C&I - revolving
Loan		$ 248,483
Current \| C&I - other
Loan		1,337,034
Current \| Owner Occupied Commercial Real Estate Loans [Member]
Loan		421,701
Current \| CRE - non owner occupied
Loan		646,500
Financing Receivables, 30 to 59 Days Past Due [Member]
Loan	$ 3,377	$ 2,202
Past due as a percentage of total loan/lease portfolio	0.07%	0.05%
Financing Receivables, 30 to 59 Days Past Due [Member] \| C&I - other
Loan		$ 859
Financing Receivables, 60 to 89 Days Past Due [Member]
Loan	$ 618	$ 8,184
Past due as a percentage of total loan/lease portfolio	0.01%	0.17%
Financing Receivables, 60 to 89 Days Past Due [Member] \| C&I - other
Loan		$ 7,308
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accruing Past Due 90 Days or More		$ 1
Accruing past due 90 days or more as a percentage of total loan/lease portfolio		0.00%
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| C&I - other
Accruing Past Due 90 Days or More		$ 1
Past Due
Nonaccrual Loans/Leases	$ 2,744	$ 2,759
Nonaccrual Loans/Leases as a percentage of total loan/lease portfolio	0.06%	0.06%
Past Due \| C&I - other
Nonaccrual Loans/Leases		$ 1,400
Commercial Portfolio Segment [Member]
Loans and leases	$ 1,637,662	1,595,085
Commercial Portfolio Segment [Member] \| C&I - revolving
Loans and leases	263,441	248,483
Commercial Portfolio Segment [Member] \| C&I - other
Accruing Past Due 90 Days or More	4
Loans and leases	1,374,221	1,346,602
Commercial Portfolio Segment [Member] \| Current \| C&I - revolving
Loan	263,441
Commercial Portfolio Segment [Member] \| Current \| C&I - other
Loan	1,370,189
Commercial Portfolio Segment [Member] \| Financing Receivables, 30 to 59 Days Past Due [Member] \| C&I - other
Loan	2,083
Commercial Portfolio Segment [Member] \| Financing Receivables, 60 to 89 Days Past Due [Member] \| C&I - other
Loan	476
Commercial Portfolio Segment [Member] \| Past Due \| C&I - other
Nonaccrual Loans/Leases	1,469
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Commercial Real Estate Loans [Member]
Loans and leases	439,257
Commercial Real Estate Portfolio Segment [Member] \| CRE - non owner occupied
Loans and leases	679,898	646,500
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans and leases	863,116	918,571
Commercial Real Estate Portfolio Segment [Member] \| Current \| Owner Occupied Commercial Real Estate Loans [Member]
Loan	439,257
Commercial Real Estate Portfolio Segment [Member] \| Current \| CRE - non owner occupied
Loan	679,898
Construction and Land Development [Member] \| Construction Loans [Member]
Loans and leases	863,116	918,571
Construction and Land Development [Member] \| Current \| Construction Loans [Member]
Loan	863,095	918,498
Construction and Land Development [Member] \| Financing Receivables, 60 to 89 Days Past Due [Member] \| Construction Loans [Member]
Loan	21
Construction and Land Development [Member] \| Past Due \| Construction Loans [Member]
Nonaccrual Loans/Leases		73
Multi-family
Loans and leases	711,682	600,412
Multi-family \| Current
Loan	711,682	600,412
Direct financing leases
Loans and leases	43,330	45,191
Direct financing leases \| Current
Loan	42,253	44,174
Direct financing leases \| Financing Receivables, 30 to 59 Days Past Due [Member]
Loan	136	10
Direct financing leases \| Financing Receivables, 60 to 89 Days Past Due [Member]
Loan	121	160
Direct financing leases \| Past Due
Nonaccrual Loans/Leases	820	847
1-4 family real estate
Loans and leases	379,613	377,361
1-4 family real estate \| Current
Loan	378,032	374,912
1-4 family real estate \| Financing Receivables, 30 to 59 Days Past Due [Member]
Loan	1,156	1,325
1-4 family real estate \| Financing Receivables, 60 to 89 Days Past Due [Member]
Loan		716
1-4 family real estate \| Past Due
Nonaccrual Loans/Leases	425	408
Consumer
Loans and leases	73,310	75,311
Consumer \| Current
Loan	73,278	75,272
Consumer \| Financing Receivables, 30 to 59 Days Past Due [Member]
Loan	2	8
Consumer \| Past Due
Nonaccrual Loans/Leases	$ 30	$ 31

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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