Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Cash and due from banks	$ 401,201	$ 526,306
Interest-bearing bank deposits	3,830,177	1,333,352
Federal funds sold	458	434
Securities available for sale, at fair value (amortized cost of $6,984,530 and $5,766,234)	6,986,698	5,999,327
Securities held to maturity (fair value of $1,631,482 and $1,467,581)	1,565,751	1,357,170
Loans held for sale (includes $41,022 and $0 measured at fair value)	93,069	136,063
Loans	21,134,282	21,789,931
Less: allowance for loan losses	(342,065)	(450,177)
Loans, net	20,792,217	21,339,754
Property and equipment, net of accumulated depreciation of $280,065 and $271,801	350,309	380,516
Right of use assets, net of accumulated amortization of $34,425 and $23,330	102,239	110,691
Prepaid expense	38,793	41,443
Other real estate and foreclosed assets, net	7,533	11,648
Accrued interest receivable	96,938	104,268
Goodwill	855,453	855,453
Other intangible assets, net	70,226	86,892
Life insurance contracts	664,535	615,780
Funded pension assets, net	227,870	171,175
Other assets	447,738	568,330
Total assets	36,531,205	33,638,602
Deposits:
Noninterest-bearing	14,392,808	12,199,750
Interest-bearing	16,073,089	15,498,127
Total deposits	30,465,897	27,697,877
Short-term borrowings	1,665,061	1,667,513
Long-term debt	244,220	378,322
Accrued interest payable	3,103	4,315
Lease liabilities	122,079	130,627
Deferred tax liability, net	19,434	49,406
Other liabilities	341,059	271,517
Total liabilities	32,860,853	30,199,577
Stockholders' equity:
Common stock	309,513	309,513
Capital surplus	1,755,701	1,757,937
Retained earnings	1,659,073	1,291,506
Accumulated other comprehensive income (loss), net	(53,935)	80,069
Total stockholders' equity	3,670,352	3,439,025
Total liabilities and stockholders' equity	$ 36,531,205	$ 33,638,602
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	86,749,000	86,728,000