Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest income:
Interest and fees on loans	$ 644,643	$ 771,245	$ 2,029,886	$ 2,359,500
Interest on debt securities available for sale	19,474	36,051	36,787	134,698
Interest on debt securities held to maturity	49,981	38,893	130,883	101,701
Interest on trading account assets	892	487	3,171	1,627
Interest and dividends on other earning assets	6,436	46,528	62,627	105,319
Total interest income	721,426	893,204	2,263,354	2,702,845
Interest expense:
Interest on deposits	61,147	203,979	323,168	588,811
Interest on FHLB and other borrowings	14,644	32,975	57,756	104,901
Interest on federal funds purchased and securities sold under agreements to repurchase	3,736	15,137	38,668	24,886
Interest on other short-term borrowings	49	72	440	368
Total interest expense	79,576	252,163	420,032	718,966
Net interest income	641,850	641,041	1,843,322	1,983,879
Total provision for credit losses	150,977	140,629	1,047,427	477,939
Net interest income after provision for credit losses	490,873	500,412	795,895	1,505,940
Noninterest income:
Mortgage banking	13,741	8,204	55,060	19,011
Corporate and correspondent investment sales	3,478	11,799	33,050	24,298
Bank owned life insurance	4,972	3,508	14,691	12,895
Investment securities gains, net	0	21,003	22,616	29,961
Other	53,767	66,241	153,223	182,104
Total noninterest income	284,660	321,319	891,256	863,360
Noninterest expense:
Salaries, benefits and commissions	296,708	295,092	858,541	884,111
Professional services	78,018	72,903	226,338	210,583
Equipment	68,793	63,908	198,226	191,940
Net occupancy	41,145	42,241	122,573	123,298
Money transfer expense	18,897	18,005	53,991	50,273
Goodwill impairment	0	0	2,185,000	0
Other	92,067	106,738	339,469	318,969
Total noninterest expense	595,628	598,887	3,984,138	1,779,174
Net income (loss) before income tax (benefit) expense	179,905	222,844	(2,296,987)	590,126
Income tax expense (benefit)	13,664	39,899	(101,506)	106,014
Net income (loss)	166,241	182,945	(2,195,481)	484,112
Less: net income attributable to noncontrolling interests	401	514	1,374	1,669
Net income (loss) attributable to BBVA USA Bancshares, Inc.	165,840	182,431	(2,196,855)	482,443
Less: preferred stock dividends	3,286	4,561	11,406	13,771
Net income (loss) attributable to common shareholder	162,554	177,870	(2,208,261)	468,672
Service charges on deposit accounts
Noninterest income:
Noninterest income	54,710	65,143	160,474	185,782
Card and merchant processing fees
Noninterest income:
Noninterest income	48,628	50,385	142,135	146,742
Investment banking and advisory fees
Noninterest income:
Noninterest income	40,013	28,324	111,805	67,939
Investment services sales fees
Noninterest income:
Noninterest income	26,218	29,287	85,596	87,316
Money transfer income
Noninterest income:
Noninterest income	27,109	26,020	77,118	73,273
Asset management fees
Noninterest income:
Noninterest income	$ 12,024	$ 11,405	$ 35,488	$ 34,039