Note 6 - Loans and Allowance for Credit Losses for Loans - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Non-accrual with no allowance for credit loss	$ 16,440	$ 2,938
Financing Receivable, Non-accrual	34,440	20,887
Financing Receivable, 90 days past due and accruing	0	0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Non-accrual with no allowance for credit loss	54	57
Financing Receivable, Non-accrual	54	57
Financing Receivable, 90 days past due and accruing	0	0
Residential Portfolio Segment [Member]
Financing Receivable, Non-accrual with no allowance for credit loss	0	0
Financing Receivable, Non-accrual	420	366
Financing Receivable, 90 days past due and accruing	0	0
Commercial Portfolio Segment [Member]
Financing Receivable, Non-accrual with no allowance for credit loss	1,536	1,543
Financing Receivable, Non-accrual	1,536	1,543
Financing Receivable, 90 days past due and accruing	0	0
Enterprise Value Loans [Member]
Financing Receivable, Non-accrual with no allowance for credit loss	14,850	1,338
Financing Receivable, Non-accrual	32,430	18,920
Financing Receivable, 90 days past due and accruing	$ 0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Non-accrual with no allowance for credit loss		0
Financing Receivable, Non-accrual		1
Financing Receivable, 90 days past due and accruing		$ 0

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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