Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
ASSETS
Loans	$ 13,431,722	$ 12,178,150
Allowance for loan losses	(101,788)	(103,635)
Net loans	13,329,934	12,074,515
Loans held for sale	7,803	3,192
Securities:
Available for sale	7,447,362	6,542,800
Held to maturity (fair value of $1,082,345 and $1,070,532, respectively)	1,116,102	1,170,646
Trading securities	45,618	61,011
Other securities	108,420	73,692
Total investment securities	8,717,502	7,848,149
Federal funds sold and securities purchased under agreements to resell	1,578,345	627,001
Interest-bearing due from banks	1,225,491	1,047,830
Cash and due from banks	472,958	645,123
Premises and equipment, net	300,334	283,879
Accrued income	124,508	110,168
Goodwill	180,867	180,867
Other intangibles, net	27,597	15,003
Other assets	596,016	515,392
Total assets	26,561,355	23,351,119
Deposits:
Noninterest-bearing demand	6,944,465	6,680,070
Interest-bearing demand and savings	13,432,415	11,454,442
Time deposits under $250,000	611,587	593,904
Time deposits of $250,000 or more	614,777	552,844
Total deposits	21,603,244	19,281,260
Federal funds purchased and repurchase agreements	1,896,508	1,518,920
Long-term debt	97,490	82,671
Accrued expenses and taxes	232,200	177,731
Other liabilities	125,473	62,067
Total liabilities	23,954,915	21,122,649
SHAREHOLDERS’ EQUITY
Common stock, $1.00 par value; 80,000,000 shares authorized; 55,056,730 shares issued, 49,097,606 and 49,117,222 shares outstanding, respectively	55,057	55,057
Capital surplus	1,073,764	1,054,601
Retained earnings	1,672,438	1,488,421
Accumulated other comprehensive income (loss), net	83,180	(95,782)
Treasury stock, 5,959,124 and 5,939,508 shares, at cost, respectively	(277,999)	(273,827)
Total shareholders' equity	2,606,440	2,228,470
Total liabilities and shareholders' equity	$ 26,561,355	$ 23,351,119