CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 1,666,832	$ 1,360,887
Short-term investments	307,473	299,916
Securities purchased under resale agreements (“resale agreements”)	1,500,000	1,600,000
Available-for-sale investment securities, at fair value	3,236,624	3,773,226
Held-to-maturity investment security, at cost (fair value of $154,296 in 2016)	154,461	0
Loans held-for-sale	47,719	31,958
Loans held-for-investment (net of allowance for loan losses of $255,812 in 2016 and $264,959 in 2015)	24,476,150	23,378,789
Investment in Federal Home Loan Bank (“FHLB”) stock, at cost	17,250	28,770
Investment in Federal Reserve Bank stock, at cost	55,355	54,932
Investments in qualified affordable housing partnerships, net	173,045	193,978
Premises and equipment (net of accumulated depreciation of $110,668 in 2016 and $100,060 in 2015)	162,482	166,993
Goodwill	469,433	469,433
Other assets	988,451	992,040
TOTAL	33,255,275	32,350,922
Customer deposits:
Noninterest-bearing	9,524,021	8,656,805
Interest-bearing	19,068,420	18,819,176
Total deposits	28,592,441	27,475,981
Short-term borrowings	36,992	0
FHLB advances	321,084	1,019,424
Securities sold under repurchase agreements (“repurchase agreements”)	200,000	0
Long-term debt	191,265	206,084
Accrued expenses and other liabilities	535,439	526,483
Total liabilities	29,877,221	29,227,972
COMMITMENTS AND CONTINGENCIES (Note 10)
STOCKHOLDERS’ EQUITY
Common stock, $0.001 par value, 200,000,000 shares authorized; 164,567,479 and 164,246,517 shares issued in 2016 and 2015, respectively.	164	164
Additional paid-in capital	1,718,249	1,701,295
Retained earnings	2,106,121	1,872,594
Treasury stock at cost — 20,434,175 shares in 2016 and 20,337,284 shares in 2015.	(439,306)	(436,162)
Accumulated other comprehensive loss (“AOCI”), net of tax	(7,174)	(14,941)
Total stockholders’ equity	3,378,054	3,122,950
TOTAL	$ 33,255,275	$ 32,350,922