CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest income:
Loans	$ 447,713	$ 373,584
Money market investments	29,220	22,285
Investment securities	81,036	57,209
Total interest income	557,969	453,078
Interest expense:
Deposits	70,826	38,688
Short-term borrowings	1,600	2,013
Long-term debt	14,580	19,330
Total interest expense	87,006	60,031
Net interest income	470,963	393,047
Provision for loan losses	41,825	71,063
Net interest income after provision for loan losses	429,138	321,984
Mortgage banking activities	9,926	12,068
Net gain (loss), including impairment on equity securities	1,433	(646)
Net profit (loss) on trading account debt securities	260	(198)
Adjustments (expense) to indemnity reserves on loans sold	(93)	(2,926)
FDIC loss-share expense	0	(8,027)
Other operating income	21,906	16,169
Total non-interest income	136,430	113,497
Operating expenses:
Personnel costs	143,117	125,852
Net occupancy expenses	23,537	22,802
Equipment expenses	19,705	17,206
Other taxes	11,662	10,902
Professional fees	87,466	82,985
Communications	5,849	5,906
Business promotion	14,674	12,009
FDIC deposit insurance	4,806	6,920
Other real estate owned (O R E O) expenses	2,677	6,131
Other operating expenses	31,615	28,964
Amortization of intangibles	2,312	2,325
Total operating expenses	347,420	322,002
Income before income tax	218,148	113,479
Income tax expense	50,223	22,155
Net Income	167,925	91,324
Net Income Applicable to Common Stock	$ 166,994	$ 90,393
Net Income per Common Share - Basic	$ 1.69	$ 0.89
Net Income per Common Share - Diluted	$ 1.69	$ 0.89
Service charges on deposit accounts
Interest expense:
Revenue from contract with customer	$ 38,691	$ 36,455
Other services
Interest expense:
Revenue from contract with customer	64,307	60,602
Non-covered loans
Interest expense:
Provision for loan losses	41,825	69,333
Covered loans
Interest expense:
Provision for loan losses	$ 0	$ 1,730