CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Loans held-for-sale, fair value disclosure	$ 56,517	$ 108,198
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Preferred stock, shares issued (in shares)	22,000,000	22,000,000
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	342,857,143	342,857,143
Common stock, shares issued (in shares)	170,097,791	169,383,758
Common stock, shares outstanding (in shares)	145,442,933	145,010,086
Treasury stock, shares at cost (in shares)	24,654,858	24,373,672