CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
CONDENSED CONSOLIDATED BALANCE SHEETS
Securities available-for-sale, covered by FDIC loss sharing (in dollars)	$ 45,887	$ 45,149
Other real estate owned, covered by FDIC loss sharing (in dollars)	$ 26,374	$ 33,506
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares	5,000,000	5,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	75,000,000	75,000,000
Common stock, shares issued	37,769,381	37,542,287
Common stock, unvested restricted stock	1,718,019	1,675,730
Treasury stock, at cost, shares	349,356	287,969