CONSOLIDATED CONDENSED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Interest income:
Interest and fees on loans	$ 356,371	$ 331,000	$ 1,040,421	$ 954,467
Interest on investment securities available-for-sale	28,770	32,391	91,860	97,872
Interest on investment securities held-to-maturity	131	131	394	394
Interest on loans held-for-sale	6,069	9,977	24,074	33,349
Interest on trading securities	10,512	14,130	37,214	43,280
Interest on other earning assets	5,641	6,040	26,235	15,473
Total interest income	407,494	393,669	1,220,198	1,144,835
Interest on deposits:
Savings	37,243	30,022	113,963	70,522
Time deposits	22,147	14,667	64,840	35,428
Other interest-bearing deposits	19,201	14,401	61,000	36,922
Interest on trading liabilities	2,943	5,125	9,515	15,039
Interest on short-term borrowings	11,532	9,762	29,314	29,914
Interest on term borrowings	13,752	13,992	42,772	39,205
Total interest expense	106,818	87,969	321,404	227,030
Net interest income	300,676	305,700	898,794	917,805
Provision/(provision credit) for loan losses	15,000	2,000	37,000	1,000
Net interest income after provision/(provision credit) for loan losses	285,676	303,700	861,794	916,805
Noninterest income:
Fixed income	77,645	44,813	197,808	128,016
Deposit transactions and cash management	34,379	35,792	98,374	107,859
Brokerage, management fees and commissions	14,157	14,200	40,910	41,423
Trust services and investment management	7,163	7,438	22,077	22,847
Bankcard income	7,017	7,744	20,324	21,734
Bank-owned life insurance (BOLI)	4,427	4,337	13,955	14,103
Debt securities gains/(losses), net (Note 3 and Note 9)	0	0	(267)	52
Equity securities gains/(losses), net (Note 3)	97	212,859	444	212,924
All other income and commissions (Note 8)	26,850	21,789	77,148	63,556
Total noninterest income	171,735	348,972	470,773	612,514
Adjusted gross income after provision/(provision credit) for loan losses	457,411	652,672	1,332,567	1,529,319
Noninterest expense:
Employee compensation, incentives, and benefits	167,022	164,839	516,590	501,983
Occupancy	18,887	20,002	60,299	62,956
Computer software	15,191	15,693	45,331	45,948
Professional fees	14,910	9,270	38,500	36,957
Operations services	11,634	13,121	34,835	43,335
Equipment rentals, depreciation, and maintenance	8,197	9,423	25,401	30,149
Advertising and public relations	6,646	8,365	19,462	17,034
Amortization of intangible assets	6,206	6,460	18,628	19,394
Communications and courier	5,650	7,014	19,483	22,776
FDIC premium expense	5,564	7,850	14,084	26,442
Legal fees	4,854	2,541	14,171	7,670
Contract employment and outsourcing	3,256	4,314	9,705	14,274
Repurchase and foreclosure provision/(provision credit)	(22)	(562)	(1,007)	(886)
All other expense (Note 8)	39,677	25,701	88,674	112,032
Total noninterest expense	307,672	294,031	904,156	940,064
Income/(loss) before income taxes	149,739	358,641	428,411	589,255
Provision/(benefit) for income taxes	35,796	83,925	97,321	133,553
Net income/(loss)	113,943	274,716	331,090	455,702
Net income attributable to noncontrolling interest	2,883	2,883	8,555	8,555
Net income/(loss) attributable to controlling interest	111,060	271,833	322,535	447,147
Preferred stock dividends	1,550	1,550	4,650	4,650
Net income/(loss) available to common shareholders	$ 109,510	$ 270,283	$ 317,885	$ 442,497
Basic earnings/(loss) per share (Note 10) (in dollars per share)	$ 0.35	$ 0.83	$ 1.01	$ 1.36
Diluted earnings/(loss) per share (Note 10) (in dollars per share)	$ 0.35	$ 0.83	$ 1.00	$ 1.35
Weighted average common shares (Note 10) (in shares)	311,888	324,406	314,442	325,341
Diluted average common shares (Note 10) (in shares)	313,805	327,252	316,401	328,645
Cash dividends declared per common share (in dollars per share)	$ 0.14	$ 0.12	$ 0.42	$ 0.36