Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
ASSETS
Cash and due from banks	$ 125,255	$ 125,844
Interest-bearing deposits in banks	1,203,706	389,362
Cash and cash equivalents	1,328,961	515,206
Debt securities available-for-sale	2,125,209	2,274,581
Debt securities held-to-maturity (fair value $320,253 and $287,904)	306,638	283,533
Loans held for sale at fair value	99,477	58,484
Loans and leases held for investment	10,132,510	8,812,553
Less allowance for credit losses - loans and leases	(103,669)	(62,089)
Loans and leases, net	10,028,841	8,750,464
Premises and equipment, net	211,972	215,976
Bank owned life insurance	200,699	202,664
Accrued interest receivable	37,774	32,660
Net deferred tax asset	27,362	34,059
Derivative financial instruments	94,434	35,007
Goodwill and other intangible assets, net	340,220	342,247
Other assets	203,300	171,135
Total assets	15,004,887	12,916,016
Deposits:
Noninterest-bearing demand	4,689,545	3,477,979
Interest-bearing deposits	8,012,540	7,419,265
Total deposits	12,702,085	10,897,244
Long-term debt	311,631	212,664
Derivative financial instruments	24,685	15,516
Accrued expenses and other liabilities	194,841	154,900
Total liabilities	13,233,242	11,280,324
Shareholders' equity:
Preferred stock; $1 par value; 10,000,000 shares authorized; Series I, $25,000 per share liquidation preference; 4,000 shares issued and outstanding	96,660	0
Common stock, $1 par value; 150,000,000 shares authorized; 78,335,127 and 79,013,729 shares issued and outstanding	78,335	79,014
Common stock issuable; 596,785 and 664,640 shares	10,646	11,491
Capital surplus	1,480,464	1,496,641
Retained earnings	64,990	40,152
Accumulated other comprehensive income	40,550	8,394
Total shareholders' equity	1,771,645	1,635,692
Total liabilities and shareholders' equity	$ 15,004,887	$ 12,916,016