CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest income:
Loans	$ 454,204	$ 386,277	$ 901,917	$ 759,861
Money market investments	22,534	36,392	51,754	58,677
Investment securities	94,241	58,181	175,277	115,390
Total interest income	570,979	480,850	1,128,948	933,928
Interest expense:
Deposits	78,449	45,228	149,275	83,916
Short-term borrowings	1,656	1,752	3,256	3,765
Long-term debt	14,558	19,734	29,138	39,064
Total interest expense	94,663	66,714	181,669	126,745
Net interest income	476,316	414,136	947,279	807,183
Provision for loan losses	40,191	60,054	82,016	131,117
Net interest income after provision for loan losses	436,125	354,082	865,263	676,066
Mortgage banking activities	(1,773)	10,071	8,153	22,139
Net gain (loss), including impairment on equity securities	528	234	1,961	(412)
Net profit (loss) on trading account debt securities	422	21	682	(177)
Adjustments (expense) to indemnity reserves on loans sold	1,840	(527)	1,747	(3,453)
FDIC loss-share expense	0	102,752	0	94,725
Other operating income	23,661	22,280	45,567	38,449
Total non-interest income	138,326	234,809	274,756	348,306
Operating expenses:
Personnel costs	141,499	124,332	284,616	250,184
Net occupancy expenses	23,299	22,425	46,836	45,227
Equipment expenses	21,323	17,775	41,028	34,981
Other taxes	12,577	10,876	24,239	21,778
Professional fees	95,248	93,903	182,714	176,888
Communications	5,955	5,382	11,804	11,288
Business promotion	19,119	16,778	33,793	28,787
FDIC deposit insurance	5,278	7,004	10,084	13,924
Other real estate owned (O R E O) expenses	1,237	6,947	3,914	13,078
Other operating expenses	35,109	29,922	66,724	58,886
Amortization of intangibles	2,371	2,324	4,683	4,649
Total operating expenses	363,015	337,668	710,435	659,670
Income before income tax	211,436	251,223	429,584	364,702
Income tax expense	40,330	(28,560)	90,553	(6,405)
Net Income	171,106	279,783	339,031	371,107
Net Income Applicable to Common Stock	$ 170,175	$ 278,852	$ 337,169	$ 369,245
Net Income per Common Share - Basic	$ 1.77	$ 2.74	$ 3.46	$ 3.63
Net Income per Common Share - Diluted	$ 1.76	$ 2.73	$ 3.45	$ 3.62
Service charges on deposit accounts
Interest expense:
Revenue from contract with customer	$ 39,617	$ 37,102	$ 78,308	$ 73,557
Other services
Interest expense:
Revenue from contract with customer	74,031	62,876	138,338	123,478
Non-covered loans
Interest expense:
Provision for loan losses	40,191	60,054	82,016	129,387
Covered loans
Interest expense:
Provision for loan losses	$ 0	$ 0	$ 0	$ 1,730