Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) shares in Thousands, $ / shares in Thousands, $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt securities held to maturity, allowance for credit losses	$ 7	$ 7
Debt securities held to maturity, fair value	$ 878,462	$ 312,562
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, authorized (in shares)	150,000	150,000
Common stock, issued (in shares)	26,911	26,866
Common stock, outstanding (in shares)	26,911	26,866

Face amount per share of no-par value common stock.

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