CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
ASSETS
Cash and due from banks	$ 243,395	$ 223,135
Interest bearing deposits with other banks and other short-term investments	204,372	50,495
Cash and cash equivalents	447,767	273,630
Time deposits in other financial institutions	3,711	4,672
Securities:
Carried at fair value (cost of $2,993,045 at September 30, 2019, and $2,492,620 at December 31, 2018)	3,020,568	2,450,709
Held to maturity, at cost (fair value of $97,905 at September 30, 2019, and $245,341 at December 31, 2018)	87,965	236,283
Other investments, at cost	29,042	28,396
Loans held for sale	35,427	119,801
Loans receivable:
Held to maturity	7,971,608	7,407,697
Allowance for loan and lease losses	(66,222)	(61,963)
Loans receivable, net	7,905,386	7,345,734
Premises, furniture and equipment, net	195,984	187,418
Premises, furniture and equipment held for sale	3,251	7,258
Other real estate, net	6,425	6,153
Goodwill	427,097	391,668
Core deposit intangibles and customer relationship intangibles, net	49,819	47,479
Servicing rights, net	6,271	31,072
Cash surrender value on life insurance	171,471	162,892
Other assets	179,078	114,841
TOTAL ASSETS	12,569,262	11,408,006
Deposits:
Demand	3,581,127	3,264,737
Savings	5,770,754	5,107,962
Time	1,117,975	1,023,730
Total deposits	10,469,856	9,396,429
Deposits held for sale	0	106,409
Short-term borrowings	107,853	227,010
Other borrowings	278,417	274,905
Accrued expenses and other liabilities	149,293	78,078
TOTAL LIABILITIES	11,005,419	10,082,831
STOCKHOLDERS' EQUITY:
Common stock (par value $1 per share; 60,000,000 shares authorized at September 30, 2019, and 40,000,000 shares authorized at December 31, 2018; issued 36,696,190 shares at September 30, 2019, and 34,477,499 shares at December 31, 2018)	36,696	34,477
Capital surplus	838,543	743,095
Retained earnings	670,816	579,252
Accumulated other comprehensive income/(loss)	17,788	(31,649)
TOTAL STOCKHOLDERS' EQUITY	1,563,843	1,325,175
TOTAL LIABILITIES AND EQUITY	12,569,262	11,408,006
Preferred stock
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Series A Junior Participating preferred stock
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Series C Senior Non-Cumulative Perpetual Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Series D Senior Non-Cumulative Perpetual Convertible Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	$ 0	$ 0