Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets
Cash and due from banks	$ 151,775	$ 130,593
Short-term interest bearing accounts	19,828	9,704
Securities available for sale, at fair value	1,271,596	1,174,544
Securities held to maturity (fair value $512,349 and $473,140, respectively)	500,840	471,031
Trading securities	8,591	8,377
Federal Reserve and Federal Home Loan Bank stock	45,260	36,673
Loans	6,039,393	5,883,133
Less allowance for loan losses	64,568	63,018
Net loans	5,974,825	5,820,115
Premises and equipment, net	84,596	88,826
Goodwill	265,957	265,957
Intangible assets, net	15,241	17,265
Bank owned life insurance	163,149	117,044
Other assets	123,122	122,517
Total assets	8,624,780	8,262,646
Liabilities
Demand (noninterest bearing)	2,031,078	1,998,165
Savings, NOW, and money market	3,826,626	3,697,851
Time	882,712	908,827
Total deposits	6,740,416	6,604,843
Short-term borrowings	666,424	442,481
Long-term debt	110,306	130,447
Junior subordinated debt	101,196	101,196
Other liabilities	110,085	101,675
Total liabilities	7,728,427	7,380,642
Stockholders' equity
Preferred stock, $0.01 par value. Authorized 2,500,000 shares at June 30, 2016 and December 31, 2015	0	0
Common stock, $0.01 par value. Authorized 100,000,000 shares at June 30, 2016 and December 31, 2015; issued 49,651,494 at June 30, 2016 and December 31, 2015	497	497
Additional paid-in-capital	573,067	576,726
Retained earnings	482,074	462,232
Accumulated other comprehensive loss	(11,147)	(22,418)
Common stock in treasury, at cost, 6,658,554 and 6,220,792 shares at June 30, 2016 and December 31, 2015, respectively	(148,138)	(135,033)
Total stockholders' equity	896,353	882,004
Total liabilities and stockholders' equity	$ 8,624,780	$ 8,262,646