Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
ASSETS
Available-for-sale (AFS), at amortized cost	$ 4,471,694	$ 3,320,648
Available for sale debt investment securities pledged as collateral, fair value	710,391	479,432
Allowance for loan losses	618,252	358,287
Loans held-for-investment pledged as collateral	27,059,316	22,431,092
Premises and equipment, accumulated depreciation	$ 125,198	$ 116,790
STOCKHOLDERS’ EQUITY
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	167,165,246	166,621,959
Treasury stock, shares (in shares)	25,657,816	20,996,574

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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