Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 1,026,569	$ 880,601
Accounts receivable, net	600,722	560,666
Inventories	486,297	525,776
Prepaid expenses and other current assets	23,018	11,807
Deferred income taxes	29,634	32,437
Total current assets	2,166,240	2,011,287
Property, plant and equipment, net	2,855,508	2,757,557
Equity investments	37,746	61,305
Other assets, net
Intangible assets, net	213,968	218,431
Deferred charges and other assets, net	137,548	165,410
Total other assets, net	351,516	383,841
Total assets	5,411,010	5,213,990
Current liabilities
Accounts and notes payable	282,978	261,062
Accrued liabilities	251,680	276,118
Total current liabilities	534,658	537,180
Long-term debt	764,056	763,997
Deferred income taxes	532,344	536,066
Other liabilities	162,777	174,859
Total liabilities	$ 1,993,835	$ 2,012,102
Commitments and contingencies (Notes 8 and 19)
Stockholders' equity
Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding	$ 0	$ 0
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,679,064 shares issued at June 30, 2015 and December 31, 2014	1,347	1,347
Common stock, held in treasury, at cost; 2,646,260 and 1,787,546 shares at June 30, 2015 and December 31, 2014, respectively	(158,472)	(96,372)
Additional paid-in capital	537,368	530,441
Retained earnings	2,863,069	2,555,528
Accumulated other comprehensive loss	(119,924)	(79,433)
Total Westlake Chemical Corporation stockholders' equity	3,123,388	2,911,511
Noncontrolling interests	293,787	290,377
Total equity	3,417,175	3,201,888
Total liabilities and equity	$ 5,411,010	$ 5,213,990