Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS:
Cash and due from banks	$ 147,579	$ 337,965
Interest-earning deposits in financial institutions	122,439	81,705
Total cash and cash equivalents	270,018	419,670
Securities available-for-sale, at fair value	3,532,230	3,223,830
Federal Home Loan Bank stock, at cost	17,250	21,870
Total investment securities	3,549,480	3,245,700
Gross loans and leases held for investment	15,756,285	15,520,537
Deferred fees, net	(65,768)	(64,583)
Allowance for loan and lease losses	(159,606)	(157,238)
Total loans and leases held for investment, net	15,530,911	15,298,716
Equipment leased to others under operating leases	233,866	229,905
Premises and equipment, net	28,910	38,594
Foreclosed assets, net	11,630	12,976
Deferred tax asset, net	65,321	94,112
Goodwill	2,173,949	2,173,949
Core deposit and customer relationship intangibles, net	27,188	36,366
Other assets	351,659	319,779
Total assets	22,242,932	21,869,767
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing deposits	6,911,874	6,659,016
Interest-bearing deposits	9,861,371	9,211,595
Total deposits	16,773,245	15,870,611
Borrowings	250,399	905,812
Subordinated debentures	448,126	440,744
Accrued interest payable and other liabilities	160,494	173,545
Total liabilities	17,632,264	17,390,712
Commitments and contingencies (Note 7)
Preferred stock ($0.01 par value; 5,000,000 shares authorized; none issued and outstanding)	0	0
Common stock ($0.01 par value, 200,000,000 shares authorized at September 30, 2017 and December 31, 2016; 123,122,892 and 122,803,029 shares issued, respectively, including 1,393,874 and 1,476,132 shares of unvested restricted stock, respectively)	1,231	1,228
Additional paid-in capital	4,000,543	4,162,132
Retained earnings	639,434	366,073
Treasury stock, at cost (1,673,098 and 1,519,360 shares at September 30, 2017 and December 31, 2016)	(64,153)	(56,360)
Accumulated other comprehensive income, net	33,613	5,982
Total stockholders' equity	4,610,668	4,479,055
Total liabilities and stockholders' equity	$ 22,242,932	$ 21,869,767