Note 20 - Dividend Restrictions and Regulatory Capital (Details Textual)	Dec. 31, 2021 USD ($)
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval	$ 35,132,000

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

No definition available.

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