Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
ASSETS
Cash and due from banks	$ 569,876	$ 561,202
Interest-bearing bank deposits	794,807	626,646
Federal funds sold	424	436
Securities available for sale, at fair value (amortized cost of $5,745,280 and $5,496,718)	5,296,147	4,915,195
Securities held to maturity (fair value of $2,325,258 and $2,485,918)	2,473,633	2,684,779
Loans held for sale (includes $23,462 and $13,269 measured at fair value)	24,624	26,124
Loans	23,455,587	23,921,917
Less: allowance for loan losses	(317,271)	(307,907)
Loans, net	23,138,316	23,614,010
Property and equipment, net of accumulated depreciation of $340,871 and $318,746	284,928	301,639
Right of use assets, net of accumulated amortization of $63,942 and $55,815	99,779	105,799
Prepaid expenses	50,091	45,234
Other real estate and foreclosed assets, net	27,732	3,628
Accrued interest receivable	148,078	157,179
Goodwill	855,453	855,453
Other intangible assets, net	37,430	44,637
Life insurance contracts	765,342	749,495
Funded pension assets, net	252,570	216,849
Deferred tax asset, net	107,842	153,384
Other assets	311,035	516,884
Total assets	35,238,107	35,578,573
Deposits
Noninterest-bearing	10,499,476	11,030,515
Interest-bearing	18,483,429	18,659,544
Total deposits	28,982,905	29,690,059
Short-term borrowings	1,265,944	1,154,829
Long-term debt	236,431	236,317
Accrued interest payable	26,910	45,000
Lease liabilities	118,714	125,618
Other liabilities	432,516	523,089
Total liabilities	31,063,420	31,774,912
Stockholders' equity:
Common stock	309,513	309,513
Capital surplus	1,723,086	1,739,671
Retained earnings	2,617,584	2,375,604
Accumulated other comprehensive loss, net	(475,496)	(621,127)
Total stockholders' equity	4,174,687	3,803,661
Total liabilities and stockholders' equity	$ 35,238,107	$ 35,578,573
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	86,136,000	86,345,000