CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 1,246,044	$ 895,820
Short-term investments	286,130	257,473
Securities purchased under resale agreements	1,275,000	1,300,000
Investment securities available-for-sale, at fair value (with amortized cost of $2,534,163 at June 30, 2014 and $2,786,490 in 2013)	2,529,652	2,733,797
Loans held for sale	450,864	204,970
Loans receivable, excluding covered loans (net of allowance for loan losses of $246,468 in 2014 and $241,930 in 2013)	18,025,711	15,412,715
Covered loans (net of allowance for loan losses of $4,880 in 2014 and $7,745 in 2013)	1,803,090	2,187,898
Total loans receivable, net	19,828,801	17,600,613
FDIC indemnification asset, net		74,708
Other real estate owned, net	42,458	18,900
Other real estate owned covered, net	24,779	21,373
Total other real estate owned	67,237	40,273
Investment in Federal Home Loan Bank stock, at cost	37,731	62,330
Investment in Federal Reserve Bank stock, at cost	54,217	48,333
Investment in affordable housing partnerships	181,943	164,776
Premises and equipment, net	183,498	177,710
Accrued interest receivable	100,323	116,314
Due from customers on acceptances	27,237	21,236
Premiums on deposits acquired, net	50,389	46,920
Goodwill	458,467	337,438
Cash surrender value of life insurance policies	99,817	112,650
Other assets	679,755	534,707
TOTAL	27,557,105	24,730,068
Customer deposit accounts:
Noninterest-bearing	6,889,950	5,821,899
Interest-bearing	15,985,139	14,591,019
Total deposits	22,875,089	20,412,918
Federal Home Loan Bank advances	316,156	315,092
Securities sold under repurchase agreements	1,005,211	995,000
Payable to FDIC, net	24,337	(74,708)
Bank acceptances outstanding	27,237	21,236
Long-term debt	235,732	226,868
Accrued expenses and other liabilities	372,319	394,729
Total liabilities	24,856,081	22,365,843
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' EQUITY
Common stock, $0.001 par value, 200,000,000 shares authorized; 163,488,203 and 163,098,008 shares issued in 2014 and 2013, respectively; 143,389,155 and 137,630,896 shares outstanding in 2014 and 2013, respectively	163	163
Additional paid in capital	1,661,549	1,571,670
Retained earnings	1,468,889	1,360,130
Treasury stock, at cost - 20,099,048 shares in 2014 and 25,467,112 shares in 2013	(427,042)	(537,279)
Accumulated other comprehensive loss, net of tax	(2,535)	(30,459)
Total stockholders' equity	2,701,024	2,364,225
TOTAL	$ 27,557,105	$ 24,730,068