CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
ASSETS
Cash and due from banks	$ 174,198	$ 223,135
Interest bearing deposits with other banks and other short-term investments	318,303	50,495
Cash and cash equivalents	492,501	273,630
Time deposits in other financial institutions	4,675	4,672
Securities:
Carried at fair value (cost of $2,415,641 at March 31, 2019, and $2,492,620 at December 31, 2018)	2,400,460	2,450,709
Held to maturity, at cost (fair value of $95,240 at March 31, 2019, and $245,341 at December 31, 2018)	88,089	236,283
Other investments, at cost	27,506	28,396
Trade and Loans Receivables Held-for-sale, Net, Not Part of Disposal Group	69,716	119,801
Loans receivable:
Held to maturity	7,331,544	7,407,697
Allowance for loan and lease losses	(62,639)	(61,963)
Loans receivable, net	7,268,905	7,345,734
Premises, furniture and equipment, net	183,185	187,418
Premises, furniture and equipment held for sale	7,030	7,258
Other real estate, net	5,391	6,153
Goodwill	391,668	391,668
Core deposit intangibles and customer relationship intangibles, net	44,637	47,479
Servicing rights, net	28,968	31,072
Cash surrender value on life insurance	163,764	162,892
Other assets	136,000	114,841
TOTAL ASSETS	11,312,495	11,408,006
Deposits:
Demand	3,118,909	3,264,737
Savings	5,145,929	5,107,962
Time	1,088,104	1,023,730
Total deposits	9,352,942	9,396,429
Deposits held for sale	118,564	106,409
Short-term borrowings	104,314	227,010
Other borrowings	268,312	274,905
Accrued expenses and other liabilities	96,261	78,078
TOTAL LIABILITIES	9,940,393	10,082,831
STOCKHOLDERS' EQUITY:
Common stock (par value $1 per share; 40,000,000 shares authorized at both March 31, 2019, and December 31, 2018; issued 34,603,611 shares at March 31, 2019, and 34,477,499 shares at December 31, 2018)	34,604	34,477
Capital surplus	745,596	743,095
Retained earnings	603,506	579,252
Accumulated other comprehensive loss	(11,604)	(31,649)
TOTAL STOCKHOLDERS' EQUITY	1,372,102	1,325,175
TOTAL LIABILITIES AND EQUITY	11,312,495	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