Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 187,838	$ 160,570
Interest-bearing balances with banks	93,615	145,654
Cash and cash equivalents	281,453	306,224
Securities held to maturity (fair value of $362,893 at December 31, 2016)	0	356,282
Securities available for sale, at fair value	671,488	674,248
Mortgage loans held for sale, at fair value	108,316	177,866
Loans, net of unearned income:
Total loans, net of unearned income	7,620,322	6,202,709
Allowance for loan losses	(46,211)	(42,737)
Loans, net	7,574,111	6,159,972
Premises and equipment, net	183,254	179,223
Other real estate owned:
Purchased	4,410	5,929
Non purchased	11,524	17,370
Total other real estate owned, net	15,934	23,299
Goodwill	611,046	470,534
Other intangible assets, net	24,510	24,074
Bank-owned life insurance	175,863	152,305
Mortgage servicing rights	39,339	26,302
Other assets	144,667	149,522
Total assets	9,829,981	8,699,851
Deposits
Noninterest-bearing	1,840,424	1,561,357
Interest-bearing	6,080,651	5,497,780
Total deposits	7,921,075	7,059,137
Short-term borrowings	89,814	109,676
Long-term debt	207,546	202,459
Other liabilities	96,563	95,696
Total liabilities	8,314,998	7,466,968
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 and 45,107,066 shares issued, respectively; 49,321,231 and 44,332,273 shares outstanding, respectively	249,951	225,535
Treasury stock, at cost	(19,906)	(21,692)
Additional paid-in capital	898,095	707,408
Retained earnings	397,354	337,536
Accumulated other comprehensive loss, net of taxes	(10,511)	(15,904)
Total shareholders’ equity	1,514,983	1,232,883
Total liabilities and shareholders’ equity	9,829,981	8,699,851
Non-Purchased
Loans, net of unearned income:
Total loans, net of unearned income	5,588,556	4,713,572
Purchased
Loans, net of unearned income:
Total loans, net of unearned income	$ 2,031,766	$ 1,489,137