Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 149,723	$ 156,852
Short-term interest bearing accounts	2,760	2,812
Equity securities, at fair value	24,293	0
Securities available for sale, at fair value	1,192,939	1,255,925
Securities held to maturity (fair value $532,979 and $481,871, respectively)	544,163	484,073
Trading securities	0	11,467
Federal Reserve and Federal Home Loan Bank stock	54,223	46,706
Loans	6,859,063	6,584,773
Less allowance for loan losses	72,450	69,500
Net loans	6,786,613	6,515,273
Premises and equipment, net	78,578	81,305
Goodwill	274,769	268,043
Intangible assets, net	17,630	13,420
Bank owned life insurance	174,952	172,388
Other assets	166,495	128,548
Total assets	9,467,138	9,136,812
Liabilities
Demand (noninterest bearing)	2,343,948	2,286,892
Savings, NOW and money market	4,136,449	4,076,978
Time	864,052	806,766
Total deposits	7,344,449	7,170,636
Short-term borrowings	853,997	719,123
Long-term debt	73,778	88,869
Junior subordinated debt	101,196	101,196
Other liabilities	114,789	98,811
Total liabilities	8,488,209	8,178,635
Stockholders' equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at June 30, 2018 and December 31, 2017	0	0
Common stock, $0.01 par value. Authorized 100,000,000 shares at June 30, 2018 and December 31, 2017; issued 49,651,493 at June 30, 2018 and December 31, 2017	497	497
Additional paid-in-capital	574,741	574,209
Retained earnings	585,044	543,713
Accumulated other comprehensive loss	(44,756)	(22,077)
Common stock in treasury, at cost, 6,004,294 and 6,108,684 shares at June 30, 2018 and December 31, 2017, respectively	(136,597)	(138,165)
Total stockholders' equity	978,929	958,177
Total liabilities and stockholders' equity	$ 9,467,138	$ 9,136,812