CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
CONDENSED CONSOLIDATED BALANCE SHEETS
Securities available-for-sale, covered by FDIC loss sharing (in dollars)	$ 37,594	$ 37,904
Loans and leases, covered by FDIC loss sharing (in dollars)	398,365	448,418
Allowance for loan and lease, covered by FDIC loss sharing (in dollars)	20,930	21,793
Other real estate owned, covered by FDIC loss sharing (in dollars)	$ 6,177	$ 9,036
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	200,000,000	75,000,000
Common stock, issued shares	46,532,624	46,526,124
Common stock, unvested restricted stock	1,087,436	1,216,524
Treasury stock, at cost, shares	755,044	703,290