Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 163,768	$ 187,838
Interest-bearing balances with banks	87,210	93,615
Cash and cash equivalents	250,978	281,453
Securities available for sale, at fair value	948,365	671,488
Mortgage loans held for sale, at fair value	204,472	108,316
Loans, net of unearned income:
Total loans, net of unearned income	7,698,070	7,620,322
Allowance for loan losses	(46,401)	(46,211)
Loans, net	7,651,669	7,574,111
Premises and equipment, net	184,209	183,254
Other real estate owned:
Total other real estate owned, net	14,555	15,934
Goodwill	611,046	611,046
Other intangible assets, net	22,859	24,510
Bank-owned life insurance	176,978	175,863
Mortgage servicing rights	40,216	39,339
Other assets	132,966	144,667
Total assets	10,238,313	9,829,981
Deposits
Noninterest-bearing	1,861,136	1,840,424
Interest-bearing	6,496,633	6,080,651
Total deposits	8,357,769	7,921,075
Short-term borrowings	57,753	89,814
Long-term debt	207,438	207,546
Other liabilities	82,588	96,563
Total liabilities	8,705,548	8,314,998
Shareholders’ equity
Preferred stock, $.01 par value – 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $5.00 par value – 150,000,000 shares authorized; 49,990,248 shares issued; 49,392,978 and 49,321,231 shares outstanding, respectively	249,951	249,951
Treasury stock, at cost	(18,296)	(19,906)
Additional paid-in capital	896,881	898,095
Retained earnings	421,725	397,354
Accumulated other comprehensive loss, net of taxes	(17,496)	(10,511)
Total shareholders’ equity	1,532,765	1,514,983
Total liabilities and shareholders’ equity	10,238,313	9,829,981
Non purchased loans and leases
Loans, net of unearned income:
Total loans, net of unearned income	5,830,122	5,588,556
Other real estate owned:
Total other real estate owned, net	4,801	4,410
Purchased loans
Loans, net of unearned income:
Total loans, net of unearned income	1,867,948	2,031,766
Other real estate owned:
Total other real estate owned, net	$ 9,754	$ 11,524