Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Available-for-sale, amortized cost	$ 917,048	$ 930,439
Common stock, par value (in dollars per share)	$ 2	$ 2
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	11,866,146	11,686,363
Common stock, shares outstanding (in shares)	11,866,146	11,686,363
Accumulated other comprehensive losses, taxes	$ 24,304	$ 31,195