Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Data

	Quarters Ended 2018
	March 31		June 30		September 30		December 31
	(in thousands, except for share data)
Interest income	$	267,495	$	280,118	$	297,041	$	314,594
Interest expense	59,897		69,366		80,241		92,541
Net interest income	207,598		210,752		216,800		222,053
Provision for credit losses	10,948		7,142		6,552		7,859
Non-interest income:
Gains on sales of loans, net	6,753		7,642		3,748		2,372
Other non-interest income	25,498		30,427		25,290		32,322
Non-interest expense:
Amortization of tax credit investments	5,274		4,470		5,412		9,044
Other non-interest expense	168,478		145,446		146,269		144,668
Income before income taxes	55,149		91,763		87,605		95,176
Income tax expense	13,184		18,961		18,046		18,074
Net income	41,965		72,802		69,559		77,102
Dividend on preferred stock	3,172		3,172		3,172		3,172
Net income available to common shareholders	38,793		69,630		66,387		73,930
Earnings per common share:
Basic	$	0.12	$	0.21	$	0.20	$	0.22
Diluted	0.12		0.21		0.20		0.22
Cash dividends declared per common share	0.11		0.11		0.11		0.11
Weighted average number of common shares outstanding:
Basic	330,727,416		331,318,381		331,486,500		331,492,648
Diluted	332,465,527		332,895,483		333,000,242		332,856,385

	Quarters Ended 2017
	March 31		June 30		September 30		December 31
	(in thousands, except for share data)
Interest income	$	198,455	$	207,007	$	210,741	$	217,951
Interest expense	36,587		42,187		46,796		48,537
Net interest income	161,868		164,820		163,945		169,414
Provision for credit losses	2,470		3,632		1,640		2,200
Non-interest income:
Gains on sales of loans, net	4,128		4,791		5,520		6,375
Other non-interest income	21,592		24,039		21,477		23,784
Non-interest expense:
Amortization of tax credit investments	5,324		7,732		8,389		20,302
Other non-interest expense	115,628		111,507		124,176		116,015
Income before income taxes	64,166		70,779		56,737		61,056
Income tax expense	18,071		20,714		17,088		34,958
Net income	46,095		50,065		39,649		26,098
Dividend on preferred stock	1,797		1,797		2,683		3,172
Net income available to common shareholders	44,298		48,268		36,966		22,926
Earnings per common share:
Basic	$	0.17	$	0.18	$	0.14	$	0.09
Diluted	0.17		0.18		0.14		0.09
Cash dividends declared per common share	0.11		0.11		0.11		0.11
Weighted average number of common shares outstanding:
Basic	263,797,024		263,958,292		264,058,174		264,332,895
Diluted	264,546,266		264,778,242		264,936,220		265,288,067