CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 1,050,214	$ 1,323,106
Short-term investments	330,438	366,378
Securities purchased under resale agreements	1,450,000	1,450,000
Investment securities available-for-sale, at fair value (with amortized cost of $2,704,652 at June 30, 2013 and $2,599,018 at December 31, 2012)	2,667,172	2,607,029
Loans held for sale	245,026	174,317
Loans receivable, excluding covered loans (net of allowance for loan losses of $233,480 at June 30, 2013 and $229,382 at December 31, 2012)	13,264,215	11,710,190
Covered loans (net of allowance for loan losses of $9,629 at June 30, 2013 and $5,153 at December 31, 2012)	2,504,315	2,935,595
Total loans receivable, net	15,768,530	14,645,785
FDIC indemnification asset	219,942	316,313
Other real estate owned, net	21,433	32,911
Other real estate owned covered, net	29,836	26,808
Total other real estate owned	51,269	59,719
Investment in Federal Home Loan Bank stock, at cost	86,139	107,275
Investment in Federal Reserve Bank stock, at cost	48,111	48,003
Investment in affordable housing partnerships	176,588	185,645
Premises and equipment, net	111,762	107,517
Accrued interest receivable	109,822	94,837
Due from customers on acceptances	21,573	28,612
Premiums on deposits acquired, net	51,501	56,285
Goodwill	337,438	337,438
Cash surrender value of life insurance policies	111,531	110,133
Other assets	471,350	517,718
TOTAL	23,308,406	22,536,110
Customer deposit accounts:
Noninterest-bearing	5,128,894	4,535,877
Interest-bearing	14,153,313	13,773,477
Total deposits	19,282,207	18,309,354
Federal Home Loan Bank advances	314,022	312,975
Securities sold under repurchase agreements	995,000	995,000
Other borrowings		20,000
Bank acceptances outstanding	21,573	28,612
Long-term debt	137,178	137,178
Accrued expenses and other liabilities	300,475	350,869
Total liabilities	21,050,455	20,153,988
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' EQUITY
Preferred stock, $0.001 par value, 5,000,000 shares authorized; Series A, non-cumulative convertible, 200,000 shares issued; no shares outstanding as of June 30, 2013 and 85,710 shares outstanding in 2012.		83,027
Common stock, $0.001 par value, 200,000,000 shares authorized; 162,999,534 and 157,160,193 shares issued in 2013 and 2012, respectively; 137,705,407 and 140,294,092 shares outstanding in 2013 and 2012, respectively	163	157
Additional paid in capital	1,558,415	1,464,739
Retained earnings	1,252,812	1,151,828
Treasury stock, at cost - 25,294,127 shares in 2013 and 16,866,101 shares in 2012	(531,761)	(322,298)
Accumulated other comprehensive (loss) income, net of tax	(21,678)	4,669
Total stockholders' equity	2,257,951	2,382,122
TOTAL	$ 23,308,406	$ 22,536,110