Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS:
Cash and due from banks	$ 180,330	$ 337,965
Interest-earning deposits in financial institutions	107,150	81,705
Total cash and cash equivalents	287,480	419,670
Securities available-for-sale, at fair value	3,474,560	3,223,830
Federal Home Loan Bank stock, at cost	22,059	21,870
Total investment securities	3,496,619	3,245,700
Loans held for sale, at lower of cost or fair value	175,158	0
Gross loans and leases held for investment	15,609,180	15,520,537
Deferred fees, net	(65,723)	(64,583)
Allowance for loan and lease losses	(145,958)	(157,238)
Total loans and leases held for investment, net	15,397,499	15,298,716
Equipment leased to others under operating leases	203,212	229,905
Premises and equipment, net	29,108	38,594
Foreclosed assets, net	13,278	12,976
Deferred tax asset, net	70,354	94,112
Goodwill	2,173,949	2,173,949
Core deposit and customer relationship intangibles, net	30,237	36,366
Other assets	369,983	319,779
Total assets	22,246,877	21,869,767
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing deposits	6,701,039	6,659,016
Interest-bearing deposits	10,173,938	9,211,595
Total deposits	16,874,977	15,870,611
Borrowings	217,454	905,812
Subordinated debentures	445,743	440,744
Accrued interest payable and other liabilities	148,798	173,545
Total liabilities	17,686,972	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 June 30, 2017 and December 31, 2016; 123,116,527 and 122,803,029 shares issued, respectively, including 1,400,254 and 1,476,132 shares of unvested restricted stock, respectively)	1,231	1,228
Additional paid-in capital	4,054,895	4,162,132
Retained earnings	537,968	366,073
Treasury stock, at cost (1,668,206 and 1,519,360 shares at June 30, 2017 and December 31, 2016)	(63,918)	(56,360)
Accumulated other comprehensive income, net	29,729	5,982
Total stockholders' equity	4,559,905	4,479,055
Total liabilities and stockholders' equity	$ 22,246,877	$ 21,869,767