CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
ASSETS
Cash and due from banks	$ 90,659	$ 89,011
Interest-earning deposits in financial institutions	41,019	75,393
Total cash and cash equivalents	131,678	164,404
Securities available-for-sale, at fair value ($43,785 and $44,684 covered by FDIC loss sharing at March 31, 2013 and December 31, 2012, respectively)	1,362,777	1,355,385
Federal Home Loan Bank stock, at cost	33,400	37,126
Total investment securities	1,396,177	1,392,511
Non-covered loans and leases, net of unearned income	2,956,897	3,046,970
Allowance for loan and lease losses	(65,216)	(65,899)
Non-covered loans and leases, net	2,891,681	2,981,071
Covered loans, net	483,063	517,258
Total loans and leases, net	3,374,744	3,498,329
Other real estate owned, net ($17,311 and $22,842 covered by FDIC loss sharing at March 31, 2013 and December 31, 2012, respectively)	53,272	56,414
Premises and equipment, net	18,950	19,503
FDIC loss sharing asset	55,840	57,475
Cash surrender value of life insurance	68,587	68,326
Goodwill	79,673	79,866
Core deposit and customer relationship intangibles, net	13,547	14,723
Other assets	107,437	112,107
Total assets	5,299,905	5,463,658
LIABILITIES
Noninterest-bearing deposits	1,941,234	1,939,212
Interest-bearing deposits	2,611,996	2,769,909
Total deposits	4,553,230	4,709,121
Borrowings	11,196	12,591
Subordinated debentures	108,250	108,250
Accrued interest payable and other liabilities	37,433	44,575
Total liabilities	4,710,109	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; 37,501,627 shares issued at March 31, 2013 and 37,772,559 at December 31, 2012 (includes 1,203,495 and 1,698,281 shares of unvested restricted stock, respectively)	375	377
Additional paid-in capital	1,055,504	1,062,184
Accumulated deficit	(486,043)	(499,537)
Treasury stock, at cost; 430,270 and 351,650 shares at March 31, 2013 and December 31, 2012	(8,985)	(6,803)
Accumulated other comprehensive income	28,945	32,900
Total stockholders' equity	589,796	589,121
Total liabilities and stockholders' equity	$ 5,299,905	$ 5,463,658