CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
ASSETS
AFS debt securities, amortized cost	$ 6,891,522	$ 10,087,179
HTM debt securities, fair value	2,656,549
Allowance for loan losses	563,270	541,579
Premises and equipment, accumulated depreciation	$ 143,708	$ 139,358
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)	168,427,021	167,790,645
Treasury stock, shares (in shares)	27,509,632	25,882,691