Note 20 - Dividend Restrictions and Regulatory Capital (Details Textual) $ in Millions	Dec. 31, 2022 USD ($)
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval	$ 58.2

Amount of dividends that can be declared or paid without approval of regulatory agency.

No definition available.

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