Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
ASSETS
Cash and due from banks	$ 589,586	$ 401,201
Interest-bearing bank deposits	261,225	3,830,177
Federal funds sold	440	458
Securities available for sale, at fair value (amortized cost of $6,342,379 and $6,984,530)	5,466,843	6,986,698
Securities held to maturity (fair value of $2,606,080 and $1,631,482)	2,866,348	1,565,751
Loans held for sale (includes $15,149 and $41,022 measured at fair value)	33,008	93,069
Loans	22,585,585	21,134,282
Less: allowance for loan losses	(306,116)	(342,065)
Loans, net	22,279,469	20,792,217
Property and equipment, net of accumulated depreciation of $297,664 and $280,065	346,566	350,309
Right of use assets, net of accumulated amortization of $42,468 and $34,425	100,105	102,239
Prepaid expenses	46,449	38,793
Other real estate and foreclosed assets, net	2,085	7,533
Accrued interest receivable	111,907	96,938
Goodwill	855,453	855,453
Other intangible assets, net	59,464	70,226
Life insurance contracts	725,820	664,535
Funded pension assets, net	235,799	227,870
Other assets	394,181	447,738
Deferred tax asset, net	192,494
Total assets	34,567,242	36,531,205
Deposits
Noninterest-bearing	14,290,817	14,392,808
Interest-bearing	14,660,457	16,073,089
Total deposits	28,951,274	30,465,897
Short-term borrowings	1,542,981	1,665,061
Long-term debt	236,410	244,220
Accrued interest payable	5,863	3,103
Lease liabilities	119,817	122,079
Deferred tax liability, net		19,434
Other liabilities	530,458	341,059
Total liabilities	31,386,803	32,860,853
Stockholders' equity:
Common stock	309,513	309,513
Capital surplus	1,715,447	1,755,701
Retained earnings	1,968,260	1,659,073
Accumulated other comprehensive loss, net	(812,781)	(53,935)
Total stockholders' equity	3,180,439	3,670,352
Total liabilities and stockholders' equity	$ 34,567,242	$ 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	85,686,000	86,749,000