Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
INTEREST AND DIVIDEND INCOME
Loans receivable, including fees	$ 306,939	$ 255,316	$ 872,039	$ 763,189
Investment securities	14,828	13,388	43,936	37,433
Resale agreements	7,901	7,834	25,222	22,479
Restricted equity securities	612	611	1,859	2,008
Interest-bearing cash and deposits with banks	9,630	3,168	22,298	10,245
Total interest and dividend income	339,910	280,317	965,354	835,354
INTEREST EXPENSE
Customer deposits	31,086	21,049	81,803	60,708
Federal funds purchased and other short-term borrowings	212	212	877	390
FHLB advances	1,947	1,361	5,738	4,153
Repurchase agreements	2,122	2,319	7,538	6,441
Long-term debt	1,388	1,228	4,030	3,726
Total interest expense	36,755	26,169	99,986	75,418
Net interest income before provision for credit losses	303,155	254,148	865,368	759,936
Provision for credit losses	12,996	9,525	30,749	17,018
Net interest income after provision for credit losses	290,159	244,623	834,619	742,918
NONINTEREST INCOME
Branch fees	10,803	10,408	31,799	30,983
Letters of credit fees and foreign exchange income	10,154	10,908	33,209	31,404
Ancillary loan fees and other income	5,987	6,135	16,876	13,997
Wealth management fees	3,615	4,033	11,682	9,862
Derivative fees and other income	6,663	5,791	12,934	9,778
Net gains on sales of loans	2,361	2,158	6,660	6,965
Net gains on sales of available-for-sale investment securities	1,539	1,790	6,733	8,468
Net gains on sales of fixed assets	1,043	486	74,092	2,916
Net gain on sale of business	3,807	0	3,807	0
Other fees and operating income	3,652	7,632	15,255	19,745
Total noninterest income	49,624	49,341	213,047	134,118
NONINTEREST EXPENSE
Compensation and employee benefits	79,583	75,042	244,930	220,166
Occupancy and equipment expense	16,635	15,456	47,829	45,619
Deposit insurance premiums and regulatory assessments	5,676	6,450	17,384	17,341
Legal expense	3,316	5,361	8,930	12,714
Data processing	3,004	2,729	9,009	8,712
Consulting expense	4,087	4,594	10,775	19,027
Deposit related expense	2,413	3,082	7,283	7,675
Computer software expense	4,393	3,331	13,823	9,267
Other operating expense	19,830	19,814	55,357	58,508
Amortization of tax credit and other investments	23,827	32,618	66,059	60,779
Amortization of core deposit intangibles	1,735	2,023	5,314	6,177
Total noninterest expense	164,499	170,500	486,693	465,985
INCOME BEFORE INCOME TAXES	175,284	123,464	560,973	411,051
INCOME TAX EXPENSE	42,624	13,321	140,247	90,108
NET INCOME	$ 132,660	$ 110,143	$ 420,726	$ 320,943
EARNINGS PER SHARE (“EPS”)
BASIC (in dollars per share)	$ 0.92	$ 0.76	$ 2.91	$ 2.23
DILUTED (in dollars per share)	$ 0.91	$ 0.76	$ 2.88	$ 2.21
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING
BASIC (in shares)	144,498	144,122	144,412	144,061
DILUTED (in shares)	145,882	145,238	145,849	145,086
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.20	$ 0.20	$ 0.6	$ 0.6