Note 4 - Loans/Leases Receivable (Details) $ in Thousands	12 Months Ended
Dec. 31, 2023 USD ($) lease	Dec. 31, 2022 USD ($) lease	Dec. 31, 2021 USD ($)
Loans/leases receivable	$ 6,543,416	$ 6,138,871
Accrued interest on loans	31,800	24,300
Allowance for credit losses on loans	87,200	87,706	$ 78,721
Charged off	9,392	7,525	4,538
Recoveries	881	972	1,283
Residential real estate
Loan held for sale	2,600	1,500
C&I
Loans/leases receivable	1,807,021	1,748,562
C&I \| C&I - other
Loans/leases receivable	1,481,778	1,451,693
Charged off	8,700
C&I \| C&I - other including lease
Loans/leases receivable	1,512,942	1,483,582
Allowance for credit losses on loans	27,460	27,753	25,982
Charged off	8,952	6,417	2,287
Recoveries	815	817	590
C&I \| m2 Lease Funds, LLC
Loans/leases receivable	319,500	278,000
Direct financing leases
Loans/leases receivable	$ 31,164	$ 31,889
Number of Leases \| lease	2	2
Loss related to unguaranteed residual values of leases	$ 0	$ 0	0
Allowance for credit losses on loans	992	970
Charged off	252
Direct financing leases \| C&I - other including lease
Allowance for credit losses on loans	992	970	1,500
Charged off	(252)	(1,100)	(458)
Recoveries	89	273	258
Consumer
Loans/leases receivable	127,335	110,421
Allowance for credit losses on loans	1,476	1,371	930
Charged off	168	65	46
Recoveries	25	9	324
Construction and land development
Loans/leases receivable	1,420,525	1,192,061
Allowance for credit losses on loans	16,856	14,262	16,972
Charged off	50	829
Recoveries	2
Multi-family
Loans/leases receivable	996,143	963,803
Allowance for credit losses on loans	12,463	13,186	9,339
Charged off			$ 150
Recoveries		43
No Lease End Option Rider \| Direct financing leases
Lease residual values	$ 165	$ 165

Amount includes investment in lease, excluding accrued interest, of allowance for credit loss on financing receivable.

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- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Includes net investment in lease.

+ References

No definition available.

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Includes net investment in lease.

+ References

No definition available.

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- Definition

Amortized cost includes net investment in lease excluding accrued interest, before allowance for credit loss, of financing receivable.

+ References

No definition available.

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- Definition

The amount of losses related to unguaranteed residual values of leases.

+ References

No definition available.

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The number of leases.

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No definition available.

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- Definition

Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

Amount of residual asset covered by residual value guarantee under direct financing lease. Excludes guarantee considered to be lease payments for lessor.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-3

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- Definition

Amount, before valuation allowance, of financing receivable classified as held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481852/948-310-45-1

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