Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
ASSETS
Loans		$ 13,949,710	$ 13,431,722
Allowance for credit losses on loans	[1]	(187,911)	(101,788)
Net loans		13,761,799	13,329,934
Loans held for sale		9,585	7,803
Securities:
Available for sale (amortized cost of $7,353,180 and $7,323,980, respectively)		7,639,451	7,447,362
Held to maturity, net of allowance for credit losses of $3,235 and $0, respectively (fair value of $1,146,909 and $1,082,345, respectively)		1,110,925	1,116,102
Trading securities		61,177	45,618
Other securities		135,194	108,420
Total securities		8,946,747	8,717,502
Federal funds sold and securities purchased under agreements to resell		784,750	1,578,345
Interest-bearing due from banks		1,109,254	1,225,491
Cash and due from banks		340,553	472,958
Premises and equipment, net		297,668	300,334
Accrued income		111,879	124,508
Goodwill		180,867	180,867
Other intangibles, net		25,839	27,597
Other assets		675,945	596,016
Total assets		26,244,886	26,561,355
Deposits:
Noninterest-bearing demand		7,269,520	6,944,465
Interest-bearing demand and savings		12,920,980	13,432,415
Time deposits under $250,000		595,128	611,587
Time deposits of $250,000 or more		389,892	614,777
Total deposits		21,175,520	21,603,244
Federal funds purchased and repurchase agreements		1,890,917	1,896,508
Short-term debt		15,000
Long-term debt		121,582	97,490
Accrued expenses and taxes		216,272	232,200
Other liabilities		162,154	125,473
Total liabilities		23,581,445	23,954,915
SHAREHOLDERS' EQUITY
Common stock, $1.00 par value; 80,000,000 shares authorized; 55,056,730 shares issued, 48,134,601 and 49,097,606 shares outstanding, respectively		55,057	55,057
Capital surplus		1,073,089	1,073,764
Retained earnings		1,646,751	1,672,438
Accumulated other comprehensive income, net		219,390	83,180
Treasury stock, 6,922,129 and 5,959,124 shares, at cost, respectively		(330,846)	(277,999)
Total shareholders' equity		2,663,441	2,606,440
Total liabilities and shareholders' equity		$ 26,244,886	$ 26,561,355

[1] As of December 31, 2019, this line represents the Allowance for loan losses. See further discussion of this change in Note 3, “New Accounting Pronouncements.”