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Note 5 - Fair Value Measurements - Fair Value Quantitative Information (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Loans receivable	$ 323	$ 304
Loans receivable	323	304
Fair Value, Inputs, Level 3 [Member]
Loans receivable	323	304
Loans receivable	323	304
Valuation, Market Approach [Member] | Fair Value, Inputs, Level 3 [Member] | Impaired Loan [Member]
Loans receivable	323	304
Loans receivable	$ 323	$ 304

X

- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Publisher FASB
-URI https://asc.fasb.org//310-10/tableOfContent

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Details

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- Details

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- Details

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- Details

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