Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets
Cash and due from banks	$ 430,866	$ 453,432
Money market and other interest-earning investments	744,192	274,980
Total cash and cash equivalents	1,175,058	728,412
Equity securities, at fair value	80,372	52,507
Investment securities - available-for-sale, at fair value (amortized cost $7,684,889 and $7,772,603, respectively)	6,713,055	6,773,712
Investment securities - held-to-maturity, at amortized cost (fair value $2,601,188 and $2,643,682, respectively)	3,013,493	3,089,147
Federal Home Loan Bank/Federal Reserve Bank stock, at cost	365,588	314,168
Loans held-for-sale, at fair value	32,006	11,926
Loans:
Total loans, net of unearned income	32,991,927	31,123,641
Allowance for credit losses on loans	(307,610)	(303,671)
Net loans	32,684,317	30,819,970
Premises and equipment, net	565,396	557,307
Goodwill	1,998,716	1,998,716
Other intangible assets	102,250	126,405
Company-owned life insurance	767,902	768,552
Accrued interest receivable and other assets	1,591,683	1,522,550
Total assets	49,089,836	46,763,372
Deposits:
Noninterest-bearing demand	9,664,247	11,930,798
Interest-bearing:
Checking and NOW	7,331,487	8,340,955
Savings	5,099,186	6,326,158
Money market	9,561,116	5,389,139
Time deposits	5,579,144	3,013,780
Total deposits	37,235,180	35,000,830
Federal funds purchased and interbank borrowings	390	581,489
Securities sold under agreements to repurchase	285,206	432,804
Federal Home Loan Bank advances	4,280,681	3,829,018
Other borrowings	764,870	743,003
Accrued expenses and other liabilities	960,609	1,047,633
Total liabilities	43,526,936	41,634,777
Commitments and contingencies (Note 20)
Shareholders’ Equity
Preferred stock, 2,000 shares authorized, 231 shares issued and outstanding	230,500	230,500
Common stock, no par value, $1.00 per share stated value, 600,000 shares authorized, 292,655 and 292,903 shares issued and outstanding, respectively	292,655	292,903
Capital surplus	4,159,924	4,174,265
Retained earnings	1,618,630	1,217,349
Accumulated other comprehensive income (loss), net of tax	(738,809)	(786,422)
Total shareholders’ equity	5,562,900	5,128,595
Total liabilities and shareholders’ equity	49,089,836	46,763,372
Commercial
Loans:
Total loans, net of unearned income	9,512,230	9,508,904
Allowance for credit losses on loans	(118,333)	(120,612)
Commercial real estate
Loans:
Total loans, net of unearned income	14,140,629	12,457,070
Allowance for credit losses on loans	(155,099)	(138,244)
Residential real estate
Loans:
Total loans, net of unearned income	6,699,443	6,460,441
Allowance for credit losses on loans	(20,837)	(21,916)
Consumer
Loans:
Total loans, net of unearned income	$ 2,639,625	$ 2,697,226