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Note 13 - Regulatory Matters (Details Textual) $ in Millions	Dec. 31, 2025 USD ($)
Cumulative Dividends	$ 500.3

X

- Definition

Amount of cumulative cash dividends distributed to shareholders.

+ References

No definition available.

+ Details

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