CONSOLIDATED BALANCE SHEET — UNAUDITED (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Allowance for credit losses, available for sale securities	$ 24,064	$ 7,604
Loans held for sale at fair value	$ 2,469	$ 163,891
Preferred stock, par value (usd per share)	$ 1.00	$ 1.00
Preferred stock, liquidation preference (usd per share)	$ 25.00	$ 25.00
Preferred stock, shares authorized (shares)	100,000,000	100,000,000
Preferred stock, shares issued (shares)	3,400,000	5,700,000
Preferred stock, shares outstanding (shares)	3,400,000	5,700,000
Common stock, par value (usd per share)	$ 1.00	$ 1.00
Common stock, shares authorized (shares)	200,000,000	200,000,000
Common stock, shares issued (shares)	36,161,203	35,758,246
Common stock, shares outstanding (shares)	34,163,506	31,346,507
Treasury stock (shares)	1,997,697	4,411,739