Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
ASSETS
Cash and due from banks	$ 151,290	$ 237,841
Interest bearing deposits with the Federal Reserve Bank and other banks and other short-term investments	7,434	20,958
Cash and cash equivalents	158,724	258,799
Time deposits in other financial institutions	2,105	2,355
Securities:
Available for sale, at fair value (cost of $1,893,947 at December 31, 2016, and cost of $1,584,703 at December 31, 2015)	1,845,864	1,578,434
Held to maturity, at cost (fair value of $274,799 at December 31, 2016, and $294,513 at December 31, 2015)	263,662	279,117
Other investments, at cost	21,560	21,443
Loans held for sale	61,261	74,783
Loans receivable:
Held to maturity	5,351,719	5,001,486
Allowance for loan losses	(54,324)	(48,685)
Loans receivable, net	5,297,395	4,952,801
Premises, furniture and equipment, net	163,614	146,259
Premises, furniture and equipment held for sale	414	3,889
Other real estate, net	9,744	11,524
Goodwill	127,699	97,852
Core deposit intangibles and customer relationship intangibles, net	22,775	22,020
Servicing rights, net	35,778	34,925
Cash surrender value on life insurance	112,615	110,297
Other assets	123,869	100,256
TOTAL ASSETS	8,247,079	7,694,754
Deposits:
Demand	2,202,036	1,914,141
Savings	3,788,089	3,367,479
Time	857,286	1,124,203
Total deposits	6,847,411	6,405,823
Short-term borrowings	306,459	293,898
Other borrowings	288,534	263,214
Accrued expenses and other liabilities	63,759	68,646
TOTAL LIABILITIES	7,506,163	7,031,581
STOCKHOLDERS' EQUITY:
Common stock (par value $1 per share; 30,000,000 shares authorized at both December 31, 2016, and December 31, 2015; issued 26,119,929 shares at December 31, 2016, and 22,435,693 shares at December 31, 2015)	26,120	22,436
Capital surplus	328,376	216,436
Retained earnings	416,109	348,630
Accumulated other comprehensive loss	(31,046)	(6,027)
Treasury stock at cost (0 shares at both December 31, 2016, and December 31, 2015)	0	0
TOTAL STOCKHOLDERS' EQUITY	740,916	663,173
TOTAL LIABILITIES AND EQUITY	8,247,079	7,694,754
Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Series A Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Series C Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	0	81,698
Series D Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	$ 1,357	$ 0