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Note 7 - Loans Receivable and Credit Disclosures (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Financing Receivable, Accrued Interest, after Allowance for Credit Loss	$ 8,300		$ 9,400
Off-Balance-Sheet, Credit Loss, Liability	1,100		$ 1,100
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	3	$ (63)
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	(3)	63
Financing Receivable, Nonaccrual, Interest Income	$ 239	$ 179
Financing Receivable, Modified, Subsequent Default, Number of Contracts	2
Financing Receivable, Modified, Subsequent Default	$ 42

X

- Definition

Number of financing receivable contracts modified within previous 12 months, with subsequent payment default.

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

Amount, after allowance for credit loss, of accrued interest on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3A

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X

- Definition

Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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X

- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

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X

- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
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-Section 45
-Paragraph 2
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-URI https://asc.fasb.org/1943274/2147479344/326-20-45-2

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X

- Definition

Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
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