Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
ASSETS:
Cash and due from banks		$ 172,570	$ 172,585
Interest-earning deposits in financial institutions		439,690	465,039
Total cash, cash equivalents, and restricted cash		612,260	637,624
Securities available-for-sale, at fair value		3,757,663	3,797,187
Federal Home Loan Bank stock, at cost		54,244	40,924
Total investment securities		3,811,907	3,838,111
Gross loans and leases held for investment		19,806,394	18,910,740
Deferred fees, net		(61,089)	(63,868)
Allowance for loan and lease losses		(221,292)	(138,785)
Total loans and leases held for investment, net	[1]	19,524,013	18,708,087
Equipment leased to others under operating leases		306,530	324,084
Premises and equipment, net		39,799	38,585
Foreclosed assets, net		1,701	440
Goodwill		1,078,670	2,548,670
Core deposit and customer relationship intangibles, net		34,446	38,394
Other assets		733,941	636,811
Total assets		26,143,267	26,770,806
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing deposits		7,510,218	7,243,298
Interest-bearing deposits		12,065,619	11,989,738
Total deposits		19,575,837	19,233,036
Borrowings		2,295,000	1,759,008
Subordinated debentures		458,994	458,209
Accrued interest payable and other liabilities		423,047	365,856
Total liabilities		22,752,878	21,816,109
Commitments and contingencies
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 March 31, 2020 and December 31, 2019; 120,131,213 and 121,890,008 shares issued, respectively, including 1,436,957 and 1,513,197 shares of unvested restricted stock, respectively)		1,201	1,219
Additional paid-in capital		3,171,312	3,306,006
Retained earnings		213,854	1,652,248
Treasury stock, at cost (2,214,424 and 2,108,403 shares at March 31, 2020 and December 31, 2019)		(86,894)	(83,434)
Accumulated other comprehensive income, net		90,916	78,658
Total stockholders' equity		3,390,389	4,954,697
Total liabilities and stockholders' equity		$ 26,143,267	$ 26,770,806

[1] Excludes accrued interest receivable of $64.4 million and $67.5 million at March 31, 2020 and December 31, 2019, respectively, that is recorded in "Other assets" on the condensed consolidated balance sheets.