Note 18 - Dividends and Other Restrictions (Details Textual) $ in Millions	Dec. 31, 2023 USD ($)
Amount Available for Dividend Distribution without Affecting Capital Adequacy Requirements	$ 286

The amount of dividends that can be declared or paid without affecting the banking or savings institution's regulatory capital position.

No definition available.

Name:	us-gaap_AmountAvailableForDividendDistributionWithoutAffectingCapitalAdequacyRequirements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant