Other Real Estate Owned - Gross Gains, Gross Losses and Write-downs of OREO (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Note 6 - Other Real Estate Owned - Gross Gains, Gross Losses and Write-downs of OREO (Details)
Gross losses	$ 0	$ 0	$ (5)
Reductions to carrying value	0	0	(31)
Total income	$ 0	$ 0	$ (36)

The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14(d))
-URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration