Note 3 - Loans - Acquired Loans (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($)
Outstanding principal balance	$ 125,856
Carrying amount	120,432
Financial Asset Acquired with Credit Deterioration [Member]
Outstanding principal balance	17,788
Carrying amount	$ 13,541

Amount at purchase price of financing receivable purchased with credit deterioration.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 19
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-19

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