CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 895,820	$ 1,323,106
Short-term investments	257,473	366,378
Securities purchased under resale agreements	1,300,000	1,450,000
Investment securities available-for-sale, at fair value (with amortized cost of $2,786,490 at December 31, 2013 and $2,599,018 at December 31, 2012)	2,733,797	2,607,029
Loans held for sale	204,970	174,317
Loans receivable, excluding covered loans (net of allowance for loan losses of $241,930 at December 31, 2013 and $229,382 at December 31, 2012)	15,412,715	11,710,190
Covered loans (net of allowance for loan losses of $7,745 at December 31, 2013 and $5,153 at December 31, 2012)	2,187,898	2,935,595
Total loans receivable, net	17,600,613	14,645,785
FDIC indemnification asset	74,708	316,313
Other real estate owned, net	18,900	32,911
Other real estate owned covered, net	21,373	26,808
Total other real estate owned	40,273	59,719
Investment in Federal Home Loan Bank stock, at cost	62,330	107,275
Investment in Federal Reserve Bank stock, at cost	48,333	48,003
Investment in affordable housing partnerships	165,724	185,645
Premises and equipment, net	177,710	107,517
Accrued interest receivable	116,314	94,837
Due from customers on acceptances	21,236	28,612
Premiums on deposits acquired, net	46,920	56,285
Goodwill	337,438	337,438
Cash surrender value of life insurance policies	112,650	110,133
Other assets	533,759	517,718
TOTAL	24,730,068	22,536,110
Customer deposit accounts:
Noninterest-bearing	5,821,899	4,535,877
Interest-bearing	14,591,019	13,773,477
Total deposits	20,412,918	18,309,354
Federal Home Loan Bank advances	315,092	312,975
Securities sold under repurchase agreements	995,000	995,000
Other borrowings		20,000
Bank acceptances outstanding	21,236	28,612
Long-term debt	226,868	137,178
Accrued expenses and other liabilities	394,729	350,869
Total liabilities	22,365,843	20,153,988
COMMITMENTS AND CONTINGENCIES (Note 19)
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 December 31, 2013 and 85,710 shares outstanding in 2012.		83,027
Common stock, $0.001 par value, 200,000,000 shares authorized; 163,098,008 and 157,160,193 shares issued in 2013 and 2012, respectively; 137,630,896 and 140,294,092 shares outstanding in 2013 and 2012, respectively.	163	157
Additional paid in capital	1,571,670	1,464,739
Retained earnings	1,360,130	1,151,828
Treasury stock, at cost - 25,467,112 shares in 2013 and 16,866,101 shares in 2012.	(537,279)	(322,298)
Accumulated other comprehensive (loss) income, net of tax	(30,459)	4,669
Total stockholders' equity	2,364,225	2,382,122
TOTAL	$ 24,730,068	$ 22,536,110