Consolidated Statement of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
INTEREST AND DIVIDEND INCOME
Loans receivable, including fees	$ 337,904	$ 272,061
Investment securities	15,456	15,247
Resale agreements	6,934	9,468
Restricted equity securities	634	777
Interest-bearing cash and deposits with banks	10,945	5,116
Total interest and dividend income	371,873	302,669
INTEREST EXPENSE
Deposits	39,136	23,672
Federal funds purchased and other short-term borrowings	7	413
FHLB advances	2,260	2,030
Repurchase agreements	2,306	3,143
Long-term debt	1,471	1,289
Total interest expense	45,180	30,547
Net interest income before provision for credit losses	326,693	272,122
Provision for credit losses	20,218	7,068
Net interest income after provision for credit losses	306,475	265,054
NONINTEREST INCOME
Branch fees	10,430	9,924
Letters of credit fees and foreign exchange income	9,602	11,441
Ancillary loan fees and other income	5,581	4,982
Wealth management fees	2,953	4,335
Derivative fees and other income	6,690	2,506
Net gains on sales of loans	1,582	2,754
Net gains on sales of available-for-sale investment securities	2,129	2,474
Net gains on sales of fixed assets	1,086	72,007
Net gain on sale of business	31,470	0
Other fees and operating income	2,921	5,405
Total noninterest income	74,444	115,828
NONINTEREST EXPENSE
Compensation and employee benefits	95,234	84,603
Occupancy and equipment expense	16,880	15,640
Deposit insurance premiums and regulatory assessments	6,273	5,929
Legal expense	2,255	3,062
Data processing	3,401	2,947
Consulting expense	2,352	1,919
Deposit related expense	2,679	2,365
Computer software expense	5,054	3,968
Other operating expense	17,607	18,085
Amortization of tax credit and other investments	17,400	14,360
Total noninterest expense	169,135	152,878
INCOME BEFORE INCOME TAXES	211,784	228,004
INCOME TAX EXPENSE	24,752	58,268
NET INCOME	$ 187,032	$ 169,736
EARNINGS PER SHARE (“EPS”)
BASIC (in dollars per share)	$ 1.29	$ 1.18
DILUTED (in dollars per share)	$ 1.28	$ 1.16
WEIGHTED-AVERAGE NUMBER OF SHARES OUTSTANDING
BASIC (in shares)	144,664	144,249
DILUTED (in shares)	145,939	145,732
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.20	$ 0.20