CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Interest income:
Loans	$ 453,315	$ 430,637	$ 1,355,232	$ 1,190,498
Money market investments	19,119	27,581	70,873	86,258
Investment securities	99,542	70,147	274,819	185,537
Total interest income	571,976	528,365	1,700,924	1,462,293
Interest expense:
Deposits	78,760	55,134	228,035	139,050
Short-term borrowings	1,572	1,622	4,828	5,387
Long-term debt	14,653	20,140	43,791	59,204
Total interest expense	94,985	76,896	276,654	203,641
Net interest income	476,991	451,469	1,424,270	1,258,652
Provision for loan losses	36,539	54,387	118,555	185,504
Net interest income after provision for loan losses	440,452	397,082	1,305,715	1,073,148
Mortgage banking activities	10,492	11,269	18,645	33,408
Net loss on sale of debt securities	(20)	0	(20)	0
Net gain (loss), including impairment on equity securities	213	370	2,174	(42)
Net profit (loss) on trading account debt securities	295	(122)	977	(299)
Adjustments (expense) to indemnity reserves on loans sold	(3,411)	(3,029)	(1,664)	(6,482)
FDIC loss-share expense	0	0	0	94,725
Other operating income	22,865	40,070	68,432	78,519
Total non-interest income	142,712	151,021	417,468	499,327
Operating expenses:
Personnel costs	147,682	139,757	432,298	389,941
Net occupancy expenses	24,595	18,602	71,431	63,829
Equipment expenses	21,596	18,303	62,624	53,284
Other taxes	14,028	11,923	38,267	33,701
Professional fees	98,561	83,860	281,275	260,748
Communications	5,881	6,054	17,685	17,342
Business promotion	18,365	15,478	52,158	44,265
FDIC deposit insurance	2,923	8,610	13,007	22,534
Other real estate owned (O R E O) expenses	(185)	7,950	3,729	21,028
Other operating expenses	40,630	52,576	107,354	111,462
Amortization of intangibles	2,399	2,324	7,082	6,973
Total operating expenses	376,475	365,437	1,086,910	1,025,107
Income before income tax	206,689	182,666	636,273	547,368
Income tax expense (benefit)	41,370	42,018	131,923	35,613
Net Income	165,319	140,648	504,350	511,755
Net Income Applicable to Common Stock	$ 164,389	$ 139,718	$ 501,558	$ 508,963
Net Income per Common Share - Basic	$ 1.71	$ 1.38	$ 5.17	$ 5.01
Net Income per Common Share - Diluted	$ 1.70	$ 1.38	$ 5.16	$ 5.00
Service charges on deposit accounts
Interest expense:
Revenue from contract with customer	$ 40,969	$ 38,147	$ 119,277	$ 111,704
Other services
Interest expense:
Revenue from contract with customer	71,309	64,316	209,647	187,794
Non-covered loans
Interest expense:
Provision for loan losses	36,539	54,387	118,555	183,774
Covered loans
Interest expense:
Provision for loan losses	$ 0	$ 0	$ 0	$ 1,730