CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest income:
Loans	$ 429,670	$ 454,204	$ 880,116	$ 901,917
Money market investments	2,015	22,534	14,015	51,754
Investment securities	76,884	94,241	164,796	175,277
Total interest income	508,569	570,979	1,058,927	1,128,948
Interest expense:
Deposits	42,780	78,449	104,881	149,275
Short-term borrowings	645	1,656	1,693	3,256
Long-term debt	14,263	14,558	28,377	29,138
Total interest expense	57,688	94,663	134,951	181,669
Net interest income	450,881	476,316	923,976	947,279
Provision for credit losses - loan portfolios	63,104	40,191	252,099	82,016
Provision (reversal) for credit losses - Investment securities	(655)	0	81	0
Net interest income after provision for credit losses	388,432	436,125	671,796	865,263
Mortgage banking activities	3,777	(1,773)	10,197	8,153
Net gain (loss), including impairment on equity securities	2,447	528	(281)	1,961
Net profit on trading account debt securities	82	422	573	682
Net gain on sale of loans, including valuation adjustments on loans held-for-sale	2,222	0	3,179	0
Adjustments to indemnity reserves on loans sold	(1,160)	1,840	(5,953)	1,747
Other operating income	22,440	23,661	42,304	45,567
Total non-interest income	112,055	138,326	238,698	274,756
Operating expenses:
Personnel costs	139,166	141,499	285,997	284,616
Net occupancy expenses	25,487	23,299	50,645	46,836
Equipment expenses	20,844	21,323	42,449	41,028
Other taxes	13,323	12,577	27,004	24,239
Professional fees	92,547	95,248	193,618	182,714
Communications	5,574	5,955	11,528	11,804
Business promotion	12,281	19,119	26,478	33,793
FDIC deposit insurance	5,340	5,278	10,420	10,084
Other real estate owned (OREO) (income) expenses	(344)	1,237	2,135	3,914
Other operating expenses	32,217	35,109	66,296	66,724
Amortization of intangibles	1,796	2,371	4,269	4,683
Total operating expenses	348,231	363,015	720,839	710,435
Income before income tax	152,256	211,436	189,655	429,584
Income tax expense	24,628	40,330	27,725	90,553
Net Income	127,628	171,106	161,930	339,031
Net Income Applicable to Common Stock	$ 127,275	$ 170,175	$ 160,877	$ 337,169
Net Income per Common Share - Basic	$ 1.49	$ 1.77	$ 1.83	$ 3.46
Net Income per Common Share - Diluted	$ 1.49	$ 1.76	$ 1.83	$ 3.45
Service charges on deposit accounts
Interest expense:
Revenue from contract with customer	$ 30,163	$ 39,617	$ 71,822	$ 78,308
Other services
Interest expense:
Revenue from contract with customer	$ 52,084	$ 74,031	$ 116,857	$ 138,338