Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale, Amortized Cost	$ 963,978	$ 985,599
Financing receivable, allowance for credit losses	$ 40,414	$ 38,178
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	72,010	72,010
Preferred stock, Liquidation Preference	$ 1,000	$ 1,000
Preferred Stock, Shares Outstanding (in shares)	72,010	72,010
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	25,351,809	25,110,313
Common stock, shares outstanding (in shares)	25,351,809	25,110,313