CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
ASSETS
Held-to-maturity investment security, fair value	$ 158,279
Allowance for loan losses	266,768	$ 264,959
Premises and equipment, accumulated depreciation	$ 106,919	$ 100,060
STOCKHOLDERS’ EQUITY
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	164,535,706	164,246,517
Treasury stock, shares	20,433,561	20,337,284