CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
CONSOLIDATED BALANCE SHEETS
Available for sale, amortized cost	$ 1,667,837	$ 2,148,635
Held to maturity, fair value	$ 876,531	$ 276,296
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	64,576,333	78,964,978
Common stock, shares outstanding	64,576,333	78,964,978
Employee stock trust, shares	33,635	5,749