CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
CONSOLIDATED BALANCE SHEETS
Available for sale, amortized cost	$ 755,290	$ 598,198
Held to maturity, fair value	331,387	345,088
Covered loans, allowance	$ 753	$ 413
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	98,407,385	98,543,774
Common stock, shares outstanding	98,407,385	98,543,774
Employee stock trust, shares	15,057	15,492