Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Assets:
Cash and due from banks	$ 562,995	$ 574,910
Interest-bearing bank deposits	132,037	939,306
Federal funds sold	229	409
Securities available for sale, at fair value (amortized cost of $6,341,322 and $5,774,133)	5,961,917	5,161,491
Securities held to maturity (fair value of $2,011,026 and $2,233,526)	2,132,882	2,435,663
Loans held for sale (includes $33,158 and $18,929 measured at fair value)	33,158	21,525
Loans	23,958,440	23,299,447
Less: allowance for loan losses	(307,731)	(318,882)
Loans, net	23,650,709	22,980,565
Property and equipment, net of accumulated depreciation of $370,818 and $345,962	261,181	279,767
Right of use assets, net of accumulated amortization of $73,527 and $67,063	102,056	98,822
Prepaid expense	58,847	45,763
Other real estate and foreclosed assets, net	14,788	27,797
Accrued interest receivable	138,509	143,237
Goodwill	925,404	855,453
Other intangible assets, net	67,071	35,224
Life insurance contracts	798,509	774,542
Funded pension assets, net	292,437	260,003
Deferred tax asset, net	55,798	146,567
Other assets	284,235	300,741
Total assets	35,472,762	35,081,785
Deposits:
Noninterest-bearing	10,374,991	10,597,461
Interest-bearing	18,904,783	18,895,390
Total deposits	29,279,774	29,492,851
Short-term borrowings	1,017,292	639,015
Long-term debt	199,407	210,544
Accrued interest payable	14,485	20,148
Lease liabilities	121,505	117,817
Other liabilities	380,182	473,774
Total liabilities	31,012,645	30,954,149
Stockholders' equity:
Common stock	309,513	309,513
Capital surplus	1,491,219	1,719,609
Retained earnings	3,035,636	2,704,606
Accumulated other comprehensive loss, net	(376,251)	(606,092)
Total stockholders' equity	4,460,117	4,127,636
Total liabilities and stockholders' equity	$ 35,472,762	$ 35,081,785
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	82,259,000	86,124,000