Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
ASSETS:
Cash and due from banks		$ 205,446	$ 112,548
Interest-earning deposits in financial institutions		1,865,235	3,944,686
Total cash, cash equivalents, and restricted cash		2,070,681	4,057,234
Debt Securities, Available-for-sale		9,975,109	10,694,458
Federal Home Loan Bank stock, at cost		17,250	17,250
Total investment securities		9,992,359	10,711,708
Gross loans and leases held for investment		24,439,749	23,026,308
Deferred fees, net		(87,677)	(84,760)
Allowance for loan and lease losses		(197,398)	(200,564)
Total loans and leases held for investment, net	[1]	24,154,674	22,740,984
Equipment leased to others under operating leases		325,305	339,150
Premises and equipment, net		51,011	46,740
Foreclosed assets, net		304	12,843
Goodwill		1,405,736	1,405,736
Core deposit and customer relationship intangibles, net		41,308	44,957
Other assets		1,208,261	1,083,992
Total assets		39,249,639	40,443,344
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing deposits		14,057,051	14,543,133
Interest-bearing deposits		19,167,844	20,454,624
Total deposits		33,224,895	34,997,757
Borrowings		991,000	0
Subordinated debentures		863,880	863,283
Accrued interest payable and other liabilities		519,269	582,674
Total liabilities		35,599,044	36,443,714
Commitments and contingencies
Preferred stock ($0.01 par value; 5,000,000 shares authorized; none issued and outstanding)		$ 0	$ 0
Preferred stock par value (usd per share)		$ 0.01	$ 0.01
Preferred Stock, Shares Authorized		5,000,000	5,000,000
Common stock ($0.01 par value, 200,000,000 shares authorized at March 31, 2022 and December 31, 2021; 122,215,319 and 122,105,853 shares issued, respectively, including 2,154,646 and 2,312,080 shares of unvested restricted stock, respectively)		$ 1,222	$ 1,221
Additional paid-in capital		2,991,159	3,013,399
Retained earnings		1,136,478	1,016,350
Treasury stock, at cost (2,613,553 and 2,520,999 shares at March 31, 2021 and December 31, 2021)		(101,789)	(97,308)
Accumulated other comprehensive (loss) income, net		(376,475)	65,968
Total stockholders' equity		3,650,595	3,999,630
Total liabilities and stockholders' equity		$ 39,249,639	$ 40,443,344

[1] Excludes accrued interest receivable of $82.7 million and $80.3 million at March 31, 2022 and December 31, 2021, respectively, which is recorded in "Other assets" on the condensed consolidated balance sheets.