Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets:
Cash and due from banks	$ 564,459	$ 401,201
Interest-bearing bank deposits	323,332	3,830,177
Federal funds sold	728	458
Securities available for sale, at fair value (amortized cost of $6,310,214 and $6,984,530)	5,556,041	6,986,698
Securities held to maturity (fair value of $2,615,398 and $1,631,482)	2,852,495	1,565,751
Loans held for sale (includes $10,853 and $41,022 measured at fair value)	26,385	93,069
Loans	23,114,046	21,134,282
Less: allowance for loan losses	(307,789)	(342,065)
Loans, net	22,806,257	20,792,217
Property and equipment, net of accumulated depreciation of $303,451 and $280,065	328,605	350,309
Right of use assets, net of accumulated amortization of $44,901 and $34,425	96,884	102,239
Prepaid expense	44,632	38,793
Other real estate and foreclosed assets, net	2,017	7,533
Accrued interest receivable	131,849	96,938
Goodwill	855,453	855,453
Other intangible assets, net	56,193	70,226
Life insurance contracts	729,774	664,535
Funded pension assets, net	216,818	227,870
Deferred tax asset, net	211,418
Other assets	380,485	447,738
Total assets	35,183,825	36,531,205
Deposits:
Noninterest-bearing	13,645,113	14,392,808
Interest-bearing	15,425,236	16,073,089
Total deposits	29,070,349	30,465,897
Short-term borrowings	1,871,271	1,665,061
Long-term debt	242,077	244,220
Accrued interest payable	9,935	3,103
Lease liabilities	116,422	122,079
Deferred tax liability, net		19,434
Other liabilities	531,143	341,059
Total liabilities	31,841,197	32,860,853
Stockholders' equity:
Common stock	309,513	309,513
Capital surplus	1,716,884	1,755,701
Retained earnings	2,088,413	1,659,073
Accumulated other comprehensive loss, net	(772,182)	(53,935)
Total stockholders' equity	3,342,628	3,670,352
Total liabilities and stockholders' equity	$ 35,183,825	$ 36,531,205
Preferred shares authorized (par value of $20.00 per share)	50,000,000	50,000,000
Common shares authorized (par value of $3.33 per share)	350,000,000	350,000,000
Common shares issued	92,947,000	92,947,000
Common shares outstanding	85,941,000	86,749,000