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Note 1 - Business Description (Details Textual) $ in Thousands	127 Months Ended
	Jan. 31, 2022	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Assets		$ 4,026,025	$ 3,919,058
Loans Held for Investment and Held for Sale, Gross		3,000,000
Deposits		3,174,760	2,977,683
Equity, Including Portion Attributable to Noncontrolling Interest		$ 511,260	$ 484,563	$ 466,683	$ 428,488
Number of Businesses Acquired	6

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