CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 106,237	$ 89,011
Interest-earning deposits in financial institutions	112,590	75,393
Total cash and cash equivalents	218,827	164,404
Securities available-for-sale, at fair value ($40,917 and $44,684 covered by FDIC loss sharing at June 30, 2013 and December 31, 2012)	1,473,578	1,355,385
Federal Home Loan Bank stock, at cost	39,129	37,126
Total investment securities	1,512,707	1,392,511
Loans and leases, net of unearned income ($581,404 and $543,327 covered by FDIC loss sharing at June 30, 2013 and December 31, 2012)	4,419,686	3,590,297
Allowance for loan and lease losses ($27,397 and $26,069 for loans covered by FDIC loss sharing at June 30, 2013 and December 31, 2012)	(90,643)	(91,968)
Total loans and leases, net	4,329,043	3,498,329
Other real estate owned, net ($19,114 and $22,842 covered by FDIC loss sharing at June 30, 2013 and December 31, 2012)	64,546	56,414
Premises and equipment, net	33,642	19,503
FDIC loss sharing asset	66,993	57,475
Cash surrender value of life insurance	80,592	68,326
Goodwill	209,190	79,866
Core deposit and customer relationship intangibles, net	20,190	14,723
Other assets	173,372	112,107
Total assets	6,709,102	5,463,658
LIABILITIES
Noninterest-bearing deposits	2,291,246	1,939,212
Interest-bearing deposits	3,231,754	2,769,909
Total deposits	5,523,000	4,709,121
Borrowings	9,696	12,591
Subordinated debentures	132,358	108,250
Discontinued operations	173,439
Accrued interest payable and other liabilities	68,910	44,575
Total liabilities	5,907,403	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; 46,514,056 shares issued at June 30, 2013 and 37,772,559 at December 31, 2012 (includes 1,788,562 and 1,698,281 shares of unvested restricted stock)	465	377
Additional paid-in capital	1,291,002	1,062,184
Accumulated deficit	(481,694)	(499,537)
Treasury stock, at cost; 433,325 and 351,650 shares at June 30, 2013 and December 31, 2012	(9,070)	(6,803)
Accumulated other comprehensive income	996	32,900
Total stockholders' equity	801,699	589,121
Total liabilities and stockholders' equity	$ 6,709,102	$ 5,463,658