Note 19 - Fair Value Measurements - Quantitative Information About Level 3 Fair Value Measurements (Details)	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Inputs, Level 3 [Member] \| Valuation Technique, Discounted Appraisal Value [Member] \| Measurement Input, Cost to Sell [Member]
Other real estate owned, net	0.0800	0.0800

Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Name:	us-gaap_OtherRealEstateOwnedMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant