Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets
Cash and Due from Banks	$ 484,384	$ 436,952
Interest-bearing deposits in other financial institutions	425,089	156,693
Federal funds sold and securities purchased under agreements to resell	14,350	27,810
Debt Securities, Available-for-sale	3,600,892	2,742,025
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss	3,860,160	3,960,398
Equity securities	41,651	25,216
FHLB and Federal Reserve Bank stocks, at cost	229,171	295,496
Residential loans held for sale	33,011	20,383
Commercial Loans Receivable Held-for-sale, Net, Not Part of Disposal Group	90,303	0
Loans	29,216,218	28,799,569
Allowance for loan losses	(351,094)	(312,720)
Loans, net	28,865,124	28,486,849
Tax credit and other investments	258,067	276,773
Premises and equipment, net	372,978	376,906
Bank and corporate owned life insurance	682,649	676,530
Goodwill	1,104,992	1,104,992
Other intangible assets, net	40,471	49,282
Servicing Asset at Fair Value, Amount	84,390	77,351
Interest receivable	169,569	144,449
Other assets	658,604	547,621
Total assets	41,015,855	39,405,727
Liabilities and stockholders' equity
Noninterest-bearing demand deposits	6,119,956	7,760,811
Interest-bearing deposits	27,326,093	21,875,343
Total deposits	33,446,049	29,636,154
Federal funds purchased and securities sold under agreements to repurchase	326,780	585,139
Commercial paper	0	20,798
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	1,940,194	4,319,861
Other long-term funding	541,269	248,071
Allowance for unfunded commitments	34,776	38,776
Accrued expenses and other liabilities	552,814	541,438
Total liabilities	36,841,882	35,390,237
Stockholders’ equity
Preferred equity	194,112	194,112
Common stock	1,752	1,752
Surplus	1,714,822	1,712,733
Retained earnings	2,946,805	2,904,882
Accumulated other comprehensive (loss)	(171,096)	(272,799)
Treasury stock, at cost	(512,421)	(525,190)
Total common equity	3,979,861	3,821,378
Total stockholders’ equity	4,173,973	4,015,490
Total liabilities and stockholders’ equity	$ 41,015,855	$ 39,405,727
Preferred shares authorized (par value $1.00 per share)	750,000	750,000
Preferred shares issued and outstanding	200,000	200,000
Common shares authorized (par value $0.01 per share)	250,000,000	250,000,000
Common shares issued	175,216,409	175,216,409
Common shares outstanding	151,036,674	150,444,019