Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS:
Cash and due from banks	$ 112,548	$ 150,464
Interest-earning deposits in financial institutions	3,944,686	3,010,197
Total cash and cash equivalents	4,057,234	3,160,661
Securities available-for-sale, at fair value	10,694,458	5,235,591
Federal Home Loan Bank stock, at cost	17,250	17,250
Total investment securities	10,711,708	5,252,841
Gross loans and leases held for investment	23,026,308	19,153,357
Deferred fees, net	(84,760)	(69,980)
Allowance for loan and lease losses	(200,564)	(348,181)
Total loans and leases held for investment, net	22,740,984	18,735,196
Equipment leased to others under operating leases	339,150	333,846
Premises and equipment, net	46,740	39,234
Foreclosed assets, net	12,843	14,027
Goodwill	1,405,736	1,078,670
Core deposit and customer relationship intangibles, net	44,957	23,641
Other assets	1,083,992	860,326
Total assets	40,443,344	29,498,442
LIABILITIES:
Noninterest-bearing deposits	14,543,133	9,193,827
Interest-bearing deposits	20,454,624	15,746,890
Total deposits	34,997,757	24,940,717
Borrowings	0	5,000
Subordinated debt	863,283	465,812
Accrued interest payable and other liabilities	582,674	491,962
Total liabilities	36,443,714	25,903,491
Commitments and contingencies
Preferred Stock, Shares Outstanding	0	0
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Authorized	$ 0.01	$ 0.01
STOCKHOLDERS' EQUITY:
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 December 31, 2021 and 2020; 122,105,853 and 120,736,834 shares issued, respectively, includes 2,312,080 and 1,608,126 shares of unvested restricted stock, respectively)	1,221	1,207
Additional paid-in capital	3,013,399	3,100,633
Retained earnings	1,016,350	409,391
Treasury stock, at cost (2,520,999 and 2,321,981 shares at December 31, 2021 and 2020)	(97,308)	(88,803)
Accumulated other comprehensive income, net	65,968	172,523
Total stockholders' equity	3,999,630	3,594,951
Total liabilities and stockholders' equity	$ 40,443,344	$ 29,498,442
Preferred Stock, Value, Outstanding	5,000,000	5,000,000