Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Supplemental Consolidated Financial Information

Our supplemental consolidated financial information for each three month period in 2020 and 2019 are as follows:

	Three months ended
(Dollars in thousands, except per share amounts)	March 31,		June 30,		September 30,		December 31,
2020:
Interest income	$	567,402	$	523,523	$	543,127	$	607,558
Interest expense	43,265		10,596		15,387		16,078
Net interest income	524,137		512,927		527,740		591,480
Provision for (reduction) credit losses	243,480		66,481		(52,018)		(38,433)
Noninterest income	301,934		368,848		547,583		621,783
Noninterest expense	399,585		479,636		491,021		664,799
Income before income tax expense	183,006		335,658		636,320		586,897
Income tax expense	49,357		87,869		162,265		148,096
Net income before noncontrolling interests	133,649		247,789		474,055		438,801
Net loss (income) attributable to noncontrolling interests	1,973		(14,260)		(27,748)		(45,891)
Preferred stock dividends	(3,369)		(4,594)		(4,594)		(4,594)
Net income available to common stockholders	$	132,253	$	228,935	$	441,713	$	388,316
Earnings per common share—basic	$	2.56	$	4.44	$	8.53	$	7.49
Earnings per common share—diluted	2.55		4.42		8.47		7.40
2019:
Interest income	$	551,014	$	585,767	$	583,892	$	588,735
Interest expense	38,128		56,364		63,248		55,067
Net interest income	512,886		529,403		520,644		533,668
Provision for credit losses	28,551		23,946		36,536		17,383
Noninterest income	280,376		333,750		294,009		313,344
Noninterest expense	365,664		383,522		391,324		460,752
Income before income tax expense	399,047		455,685		386,793		368,877
Income tax expense	107,435		119,114		105,075		94,061
Net income before noncontrolling interests	291,612		336,571		281,718		274,816
Net income attributable to noncontrolling interests	(2,880)		(18,584)		(14,437)		(11,960)
Net income available to common stockholders	$	288,732	$	317,987	$	267,281	$	262,856
Earnings per common share—basic	$	5.49	$	6.12	$	5.19	$	5.10
Earnings per common share—diluted	5.44		6.08		5.15		5.06