Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
ASSETS:
Cash and due from banks		$ 187,176	$ 172,585
Interest-earning deposits in financial institutions		2,766,020	465,039
Total cash, cash equivalents, and restricted cash		2,953,196	637,624
Securities available-for-sale, at fair value		4,532,614	3,797,187
Federal Home Loan Bank stock, at cost		17,250	40,924
Total investment securities		4,549,864	3,838,111
Gross loans and leases held for investment		19,101,680	18,910,740
Deferred fees, net		(75,480)	(63,868)
Allowance for loan and lease losses		(345,966)	(138,785)
Total loans and leases held for investment, net	[1]	18,680,234	18,708,087
Equipment leased to others under operating leases		286,425	324,084
Premises and equipment, net		40,544	38,585
Foreclosed assets, net		13,747	440
Goodwill		1,078,670	2,548,670
Core deposit and customer relationship intangibles, net		26,813	38,394
Other assets		797,223	636,811
Total assets		28,426,716	26,770,806
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing deposits		9,346,744	7,243,298
Interest-bearing deposits		14,618,951	11,989,738
Total deposits		23,965,695	19,233,036
Borrowings		60,000	1,759,008
Subordinated debentures		463,282	458,209
Accrued interest payable and other liabilities		451,508	365,856
Total liabilities		24,940,485	21,816,109
Commitments and contingencies
Preferred Stock, Shares Authorized		5,000,000
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, 2020 and December 31, 2019; 0 and 121,890,008 shares issued, respectively, including 0 and 1,513,197 shares of unvested restricted stock, respectively)		1,208	1,219
Additional paid-in capital		3,125,554	3,306,006
Retained earnings		292,561	1,652,248
Treasury stock, at cost (0 and 2,108,403 shares at September 30, 2020 and December 31, 2019)		(88,566)	(83,434)
Accumulated other comprehensive income, net		155,474	78,658
Total stockholders' equity		3,486,231	4,954,697
Total liabilities and stockholders' equity		$ 28,426,716	$ 26,770,806
Preferred stock par value (usd per share)		$ 0.01
Common Stock, Shares Authorized		200,000,000	200,000,000
Common Stock par value (usd per share)		$ 0.01	$ 0.01
Treasury Stock (shares)		2,311,182	2,108,403
Unvested restricted shares (shares)		1,706,690	1,513,197
Common Stock, Shares, Issued		120,801,109	121,890,008

[1] Excludes accrued interest receivable of $71.5 million and $67.5 million at September 30, 2020 and December 31, 2019, respectively, which is recorded in "Other assets" on the condensed consolidated balance sheets.