Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
ASSETS
Cash and due from banks	$ 186,381	$ 154,192	$ 183,541
Interest bearing deposits with other banks	86,472	43,777	34,438
Available-for-sale securities, at fair value	2,103,883	2,082,329	2,251,153
Loans and leases	10,604,547	10,404,326	10,041,455
Less: Unearned income	28,569	31,548	33,884
Allowance for credit losses	126,935	126,458	138,312
Net loans and leases	10,449,043	10,246,320	9,869,259
Loans held for sale, at fair value	210,698	157,907	199,370
Premises and equipment, net	305,694	308,125	303,837
Accrued interest receivable	39,645	40,901	41,065
Goodwill	294,901	291,498	291,498
Other identifiable intangibles	20,831	20,545	22,415
Bank-owned life insurance	255,240	251,534	247,983
Other real estate owned	14,658	14,759	24,299
Other assets	169,714	186,775	166,073
TOTAL ASSETS	14,137,160	13,798,662	13,634,931
Deposits:
Demand: Noninterest bearing	3,133,460	3,031,528	2,911,972
Interest bearing	4,838,704	5,003,806	4,881,469
Savings	1,512,694	1,442,336	1,407,616
Other time	1,879,509	1,853,491	1,933,904
Total deposits	11,364,367	11,331,161	11,134,961
Federal funds purchased and securities sold under agreement to repurchase	415,949	405,937	375,980
Short-term Federal Home Loan Bank and other short-term borrowings		62,000	92,500
Accrued interest payable	3,727	3,071	3,494
Junior subordinated debt securities	23,198	23,198	23,198
Long-term debt	365,588	69,775	73,962
Other liabilities	251,288	248,076	250,640
TOTAL LIABILITIES	12,424,117	12,143,218	11,954,735
SHAREHOLDERS' EQUITY
Common stock, $2.50 par value per share Authorized - 500,000,000 shares; Issued - 94,546,091, 94,162,728 and 96,744,530 shares, respectively	236,365	235,407	241,889
Capital surplus	286,994	282,934	337,272
Accumulated other comprehensive (loss) income	(27,587)	(41,825)	(41,288)
Retained earnings	1,217,271	1,178,928	1,142,323
TOTAL SHAREHOLDERS' EQUITY	1,713,043	1,655,444	1,680,196
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 14,137,160	$ 13,798,662	$ 13,634,931