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Note 3 - LOANS/LEASES RECEIVABLE - Aging of the Loan Lease Portfolio (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	$ 7,178,921	$ 6,784,404
Accruing Past Due 90 Days or More	43	4,270
Nonaccrual Loans/Leases	$ 42,167	$ 40,080
Accruing past due 90 days or more as a percentage of total loan/lease portfolio	0.00%	0.06%
Nonaccrual Loans/Leases as a percentage of total loan/lease portfolio	0.59%	0.59%
Loans and leases as a percentage of total loan/lease portfolio	100.00%	100.00%
Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	$ 7,120,561	$ 6,717,327
Current as a percentage of total loan/lease portfolio	99.19%	99.01%
30 to 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	$ 13,356	$ 18,660
Past due as a percentage of total loan/lease portfolio	0.18%	0.28%
60 to 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	$ 2,794	$ 4,067
Past due as a percentage of total loan/lease portfolio	0.04%	0.06%
C&I
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	$ 1,717,342	$ 1,902,923
C&I | C&I - revolving
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	386,674	387,991
Nonaccrual Loans/Leases		194
C&I | C&I - other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,330,668	1,514,932
Accruing Past Due 90 Days or More	7	2
Nonaccrual Loans/Leases	26,213	24,111
C&I | Current | C&I - revolving
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	383,700	387,767
C&I | Current | C&I - other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,293,863	1,474,729
C&I | 30 to 59 Days Past Due | C&I - revolving
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	2,974	30
C&I | 30 to 59 Days Past Due | C&I - other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	8,293	13,159
C&I | 60 to 89 Days Past Due | C&I - other
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	2,292	2,931
CRE | Owner occupied - CRE
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	586,578	605,993
Nonaccrual Loans/Leases	2,600	816
CRE | CRE - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,053,732	1,077,852
Nonaccrual Loans/Leases	3,254	3,226
CRE | Current | Owner occupied - CRE
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	582,433	604,550
CRE | Current | CRE - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,050,478	1,074,541
CRE | 30 to 59 Days Past Due | Owner occupied - CRE
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,545	173
CRE | 30 to 59 Days Past Due | CRE - non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable		85
CRE | 60 to 89 Days Past Due | Owner occupied - CRE
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable		454
Construction and land development
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,544,765	1,313,543
Accruing Past Due 90 Days or More		4,188
Nonaccrual Loans/Leases	4,118	8,454
Construction and land development | Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,540,599	1,300,893
Construction and land development | 30 to 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	48	8
Multi-family
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,503,596	1,132,110
Nonaccrual Loans/Leases	2,333
Multi-family | Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	1,501,263	1,132,110
Direct financing leases
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	11,090	17,076
Nonaccrual Loans/Leases	412	259
Direct financing leases | Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	10,649	16,622
Direct financing leases | 30 to 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	29	60
Direct financing leases | 60 to 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable		135
1-4 family real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	599,838	588,179
Accruing Past Due 90 Days or More	36	80
Nonaccrual Loans/Leases	2,913	2,707
1-4 family real estate | Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	596,084	579,943
1-4 family real estate | 30 to 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	306	4,910
1-4 family real estate | 60 to 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	499	539
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	161,980	146,728
Nonaccrual Loans/Leases	324	313
Consumer | Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	161,492	146,172
Consumer | 30 to 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	161	235
Consumer | 60 to 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans/leases receivable	$ 3	$ 8

X

- Definition

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+ References

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- Definition

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+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
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-Paragraph c
-Publisher SEC

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