CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Interest Income
Interest and fees on loans	$ 265,870	$ 185,864	$ 751,146	$ 541,937
Interest and dividends on investment securities:
Taxable	21,362	17,922	64,907	54,439
Tax-exempt	5,023	3,752	16,383	11,726
Dividends	3,981	2,657	9,648	6,945
Interest on federal funds sold and other short-term investments	805	546	2,570	1,156
Total interest income	297,041	210,741	844,654	616,203
Interest on deposits:
Savings, NOW and money market	28,775	15,641	75,848	38,538
Time	20,109	10,852	51,360	30,571
Interest on short-term borrowings	15,193	5,161	31,838	14,578
Interest on long-term borrowings and junior subordinated debentures	16,164	15,142	50,458	41,883
Total interest expense	80,241	46,796	209,504	125,570
Net Interest Income	216,800	163,945	635,150	490,633
Provision for credit losses	6,552	1,640	24,642	7,742
Net Interest Income After Provision for Credit Losses	210,248	162,305	610,508	482,891
Non-Interest Income
Insurance commissions	3,646	4,519	11,493	13,938
(Losses) gains on securities transactions, net	(79)	6	(880)	5
Fees from loan servicing	2,573	1,895	6,841	5,541
Gains on sales of loans, net	3,748	5,520	18,143	14,439
Bank owned life insurance	2,545	1,541	6,960	5,705
Other	6,865	4,896	26,637	17,177
Total non-interest income	29,038	26,997	99,358	81,547
Non-Interest Expense
Salary and employee benefits expense	80,778	69,286	253,014	198,777
Net occupancy and equipment expense	26,295	22,756	81,120	68,400
FDIC insurance assessment	7,421	4,603	20,963	14,658
Amortization of other intangible assets	4,697	2,498	13,607	7,596
Professional and legal fees	6,638	11,110	29,022	20,107
Amortization of tax credit investments	5,412	8,389	15,156	21,445
Telecommunication expense	3,327	2,464	9,936	7,830
Other	17,113	11,459	52,531	33,943
Total non-interest expense	151,681	132,565	475,349	372,756
Income Before Income Taxes	87,605	56,737	234,517	191,682
Income tax expense	18,046	17,088	50,191	55,873
Net Income	69,559	39,649	184,326	135,809
Dividends on preferred stock	3,172	2,683	9,516	6,277
Net Income Available to Common Shareholders	$ 66,387	$ 36,966	$ 174,810	$ 129,532
Earnings Per Common Share:
Basic (usd per share)	$ 0.20	$ 0.14	$ 0.53	$ 0.49
Diluted (usd per share)	0.20	0.14	0.53	0.49
Cash Dividends Declared per Common Share (usd per share)	$ 0.11	$ 0.11	$ 0.33	$ 0.33
Weighted Average Number of Common Shares Outstanding:
Basic (in shares)	331,486,500	264,058,174	331,180,213	263,938,786
Diluted (in shares)	333,000,242	264,936,220	332,694,080	264,754,845
Trust and investment services
Non-Interest Income
Revenue from contracts with customer	$ 3,143	$ 3,062	$ 9,635	$ 8,606
Service charges on deposit accounts
Non-Interest Income
Revenue from contracts with customer	$ 6,597	$ 5,558	$ 20,529	$ 16,136