CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
ASSETS
Cash and due from banks	$ 211,429	$ 206,607
Interest bearing deposits with other banks and other short-term investments	242,149	172,127
Cash and cash equivalents	453,578	378,734
Time deposits in other financial institutions	3,128	3,564
Securities:
Carried at fair value (cost of $4,075,406 at June 30, 2020, and $3,311,433 at December 31, 2019)	4,126,351	3,312,796
Held to maturity, net of allowance for credit losses of $62 at June 30, 2020 (fair value of $101,557 at June 30, 2020, and $100,484 at December 31, 2019)	90,579	91,324
Other investments, at cost	35,902	31,321
Loans held for sale	54,382	26,748
Loans receivable:
Held to maturity	9,246,830	8,367,917
Allowance for credit losses	(119,937)	(70,395)
Loans receivable, net	9,126,893	8,297,522
Premises, furniture and equipment, net	197,914	197,558
Premises, furniture and equipment held for sale	567	2,967
Other real estate, net	5,539	6,914
Goodwill	446,345	446,345
Core deposit intangibles and customer relationship intangibles, net	43,011	48,688
Servicing rights, net	5,469	6,736
Cash surrender value on life insurance	172,813	171,625
Other assets	263,682	186,755
TOTAL ASSETS	15,026,153	13,209,597
Deposits:
Demand	4,831,151	3,543,863
Savings	6,810,296	6,307,425
Time	1,067,252	1,193,043
Total deposits	12,708,699	11,044,331
Short-term borrowings	88,631	182,626
Other borrowings	306,459	275,773
Accrued expenses and other liabilities	174,987	128,730
TOTAL LIABILITIES	13,278,776	11,631,460
STOCKHOLDERS' EQUITY:
Common stock (par value $1 per share; 60,000,000 shares authorized at both June 30, 2020, and December 31, 2019; issued 36,844,744 shares at June 30, 2020, and 36,704,278 shares at December 31, 2019)	36,845	36,704
Capital surplus	844,202	839,857
Retained earnings	723,067	702,502
Accumulated other comprehensive income/(loss)	32,558	(926)
TOTAL STOCKHOLDERS' EQUITY	1,747,377	1,578,137
TOTAL LIABILITIES AND EQUITY	$ 15,026,153	$ 13,209,597
Common stock, shares authorized (in shares)	60,000,000	60,000,000
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
Series E Fixed-Rate Reset Cumulative Perpetual Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock	$ 110,705	$ 0