CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 1,115,753	$ 895,820
Short-term investments	336,419	257,473
Securities purchased under resale agreements	1,475,000	1,300,000
Investment securities available-for-sale, at fair value (with amortized cost of $2,596,823 in 2014 and $2,786,490 in 2013)	2,592,667	2,733,797
Loans held for sale	239,649	204,970
Non-covered loans (net of allowance for loan losses of $249,268 in 2014 and $241,930 in 2013)	19,097,117	15,412,715
Covered loans (net of allowance for loan losses of $3,910 in 2014 and $7,745 in 2013)	1,636,399	2,187,898
Total loans receivable, net	20,733,516	17,600,613
Other real estate owned, net	33,337	18,900
Other real estate owned covered, net	7,433	21,373
Total other real estate owned	40,770	40,273
Investment in Federal Home Loan Bank stock, at cost	34,691	62,330
Investment in Federal Reserve Bank stock, at cost	54,324	48,333
Investments in affordable housing partnerships	179,606	164,776
Premises and equipment, net	181,999	177,710
Accrued interest receivable	96,054	116,314
Due from customers on acceptances	25,112	21,236
Premiums on deposits acquired, net	47,792	46,920
Goodwill	458,467	337,438
Cash surrender value of life insurance policies	100,604	112,650
Other assets	768,707	534,707
TOTAL	28,481,130	24,730,068
Customer deposit accounts:
Noninterest-bearing	7,270,385	5,821,899
Interest-bearing	16,541,879	14,591,019
Total deposits	23,812,264	20,412,918
Federal Home Loan Bank advances	316,699	315,092
Securities sold under repurchase agreements	805,106	995,000
Payable to FDIC, net	64,460	(74,708)
Bank acceptances outstanding	25,112	21,236
Long-term debt	230,790	226,868
Accrued expenses and other liabilities	458,606	394,729
Total liabilities	25,713,037	22,365,843
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' EQUITY
Common stock, $0.001 par value, 200,000,000 shares authorized; 163,514,929 and 163,098,008 shares issued in 2014 and 2013, respectively; 143,405,133 and 137,630,896 shares outstanding in 2014 and 2013, respectively	163	163
Additional paid in capital	1,666,069	1,571,670
Retained earnings	1,531,637	1,360,130
Treasury stock, at cost - 20,109,796 shares in 2014 and 25,467,112 shares in 2013	(427,348)	(537,279)
Accumulated other comprehensive loss, net of tax	(2,428)	(30,459)
Total stockholders' equity	2,768,093	2,364,225
TOTAL	$ 28,481,130	$ 24,730,068