Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
ASSETS
Cash and due from banks	$ 159,923	$ 204,231	$ 169,226
Interest bearing deposits with other banks	113,068	153,019	70,408
Available-for-sale securities, at fair value	2,161,125	2,156,927	2,211,462
Loans and leases	10,254,013	9,749,540	9,546,250
Less: Unearned income	34,437	36,604	35,708
Allowance for credit losses	133,009	142,443	143,950
Net loans and leases	10,086,567	9,570,493	9,366,592
Loans held for sale, at fair value	170,175	141,015	137,005
Premises and equipment, net	304,317	304,943	307,497
Accrued interest receivable	41,599	41,985	42,311
Goodwill	291,498	291,498	291,498
Other identifiable intangibles	21,466	24,508	25,619
Bank-owned life insurance	249,825	247,076	243,827
Other real estate owned	23,696	33,984	42,691
Other assets	164,165	156,690	163,421
TOTAL ASSETS	13,787,424	13,326,369	13,071,557
Deposits:
Demand: Noninterest bearing	3,053,439	2,778,686	2,811,156
Interest bearing	4,794,656	4,868,054	4,498,275
Savings	1,409,856	1,331,963	1,311,874
Other time	1,883,995	1,993,636	2,080,232
Total deposits	11,141,946	10,972,339	10,701,537
Federal funds purchased and securities sold under agreement to repurchase	425,203	388,166	431,428
Short-term Federal Home Loan Bank and other short-term borrowings	224,500	3,500	2,000
Accrued interest payable	3,353	3,400	3,894
Junior subordinated debt securities	23,198	23,198	23,198
Long-term debt	71,868	78,148	81,742
Other liabilities	252,536	251,559	217,215
TOTAL LIABILITIES	12,142,604	11,720,310	11,461,014
SHAREHOLDERS' EQUITY
Common stock, $2.50 par value per share Authorized - 500,000,000 shares; Issued - 93,969,994, 96,254,903 and 96,065,021 shares, respectively	234,925	240,637	240,165
Capital surplus	278,998	324,271	322,488
Accumulated other comprehensive (loss) income	(36,355)	(43,686)	(15,513)
Retained earnings	1,167,252	1,084,837	1,063,403
TOTAL SHAREHOLDERS' EQUITY	1,644,820	1,606,059	1,610,543
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 13,787,424	$ 13,326,369	$ 13,071,557