Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Loans	$ 17,170,871	$ 16,103,651
Allowance for credit losses on loans	(194,771)	(215,973)
Net loans	16,976,100	15,887,678
Loans held for sale	1,277	6,708
Securities:
Available for sale (amortized cost of $11,822,584 and $8,887,734, respectively)	11,976,514	9,299,688
Held to maturity, net of allowance for credit losses of $1,940 and $2,610, respectively (fair value of $1,442,391 and $1,029,444, respectively)	1,478,476	1,012,004
Trading securities	31,875	35,020
Other securities	327,098	296,053
Total securities	13,813,963	10,642,765
Federal funds sold and securities purchased under agreements to resell	1,216,357	1,650,335
Interest-bearing due from banks	8,841,906	3,110,042
Cash and due from banks	413,821	430,638
Premises and equipment, net	270,933	293,095
Accrued income	131,102	139,892
Goodwill	174,518	180,867
Other intangibles, net	14,416	21,056
Other assets	839,091	764,428
Total assets	42,693,484	33,127,504
Deposits:
Noninterest-bearing demand	16,342,642	9,879,970
Interest-bearing demand and savings	18,405,644	16,295,186
Time deposits under $250,000	403,660	477,748
Time deposits of $250,000 or more	447,981	398,347
Total deposits	35,599,927	27,051,251
Federal funds purchased and repurchase agreements	3,238,435	2,315,497
Long-term debt	271,544	269,595
Accrued expenses and taxes	249,492	319,676
Other liabilities	188,662	154,537
Total liabilities	39,548,060	30,110,556
SHAREHOLDERS’ EQUITY
Common stock, $1.00 par value; 80,000,000 shares authorized; 55,056,730 shares issued, 48,430,805 and 48,006,386 shares outstanding, respectively	55,057	55,057
Capital surplus	1,110,520	1,090,450
Retained earnings	2,176,998	1,891,246
Accumulated other comprehensive income, net	126,314	318,340
Treasury stock, 6,625,925 and 7,050,344 shares, at cost, respectively	(323,465)	(338,145)
Total shareholders' equity	3,145,424	3,016,948
Total liabilities and shareholders' equity	$ 42,693,484	$ 33,127,504