CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
ASSETS
Allowance for loan losses	$ 261,229	$ 261,679
Premises and equipment, accumulated depreciation	$ 92,797	$ 85,409
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	164,182,103	163,772,218
Common stock, shares outstanding	143,849,036	143,582,229
Treasury stock, shares	20,333,067	20,189,989