XML 18 R4.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Consolidated Balance Sheets (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Available-for-sale, amortized cost $ 7,684,889 $ 7,772,603
Investment securities-held-to-maturity, fair value $ 2,601,188 $ 2,643,682
Preferred stock, shares authorized (in shares) 2,000 2,000
Preferred stock, shares issued (in shares) 231 231
Preferred stock, shares outstanding (in shares) 231 231
Common stock, stated value (in dollars per share) $ 1.00 $ 1.00
Authorized and unissued common shares reserved for issuance (in shares) 600,000 600,000
Common stock, shares issued (in shares) 292,655 292,903
Common stock, shares outstanding (in shares) 292,655 292,903