CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 132,467	$ 89,011
Interest-earning deposits in financial institutions	11,552	75,393
Total cash and cash equivalents	144,019	164,404
Securities available-for-sale, at fair value ($39,378 and $44,684 covered by FDIC loss sharing at September 30, 2013 and December 31, 2012)	1,512,147	1,355,385
Federal Home Loan Bank stock, at cost	34,095	37,126
Total investment securities	1,546,242	1,392,511
Loans and leases, net of unearned income ($510,924 and $543,327 covered by FDIC loss sharing at September 30, 2013 and December 31, 2012)	4,383,393	3,590,297
Allowance for loan and lease losses ($23,235 and $26,069 for loans covered by FDIC loss sharing at September 30, 2013 and December 31, 2012)	(83,786)	(91,968)
Total loans and leases, net	4,299,607	3,498,329
Other real estate owned, net ($12,014 and $22,842 covered by FDIC loss sharing at September 30, 2013 and December 31, 2012)	55,972	56,414
Premises and equipment, net	32,683	19,503
FDIC loss sharing asset	55,653	57,475
Cash surrender value of life insurance	77,512	68,326
Goodwill	215,862	79,866
Core deposit and customer relationship intangibles, net	18,678	14,723
Other assets	170,627	112,107
Total assets	6,616,855	5,463,658
LIABILITIES
Noninterest-bearing deposits	2,328,688	1,939,212
Interest-bearing deposits	3,104,456	2,769,909
Total deposits	5,433,144	4,709,121
Borrowings	8,243	12,591
Subordinated debentures	132,500	108,250
Discontinued operations	155,807
Accrued interest payable and other liabilities	70,872	44,575
Total liabilities	5,800,566	4,874,537
Commitments and contingencies
STOCKHOLDERS' EQUITY
Preferred stock, $0.01 par value; authorized 5,000,000 shares; none issued and outstanding
Common stock, $0.01 par value; authorized 75,000,000 shares; 46,528,290 shares issued at September 30, 2013 and 37,772,559 at December 31, 2012 (includes 1,791,462 and 1,698,281 shares of unvested restricted stock)	465	377
Additional paid-in capital	1,282,246	1,062,184
Accumulated deficit	(457,531)	(499,537)
Treasury stock, at cost; 437,548 and 351,650 shares at September 30, 2013 and December 31, 2012	(9,218)	(6,803)
Accumulated other comprehensive income	327	32,900
Total stockholders' equity	816,289	589,121
Total liabilities and stockholders' equity	$ 6,616,855	$ 5,463,658