Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 372,591	$ 459,453
Accounts receivable, net	1,003,966	938,743
Inventories	821,708	801,100
Prepaid expenses and other current assets	43,695	48,493
Restricted cash	9,328	160,527
Total current assets	2,251,288	2,408,316
Property, plant and equipment, net	6,392,745	6,420,062
Other assets, net
Goodwill	950,681	946,553
Customer relationships, net	596,641	611,615
Other intangible assets, net	172,697	175,839
Deferred charges and other assets, net	360,778	327,868
Total other assets, net	2,080,797	2,061,875
Total assets	10,724,830	10,890,253
Current liabilities
Accounts payable	543,121	496,259
Accrued liabilities	400,310	537,483
Term loan	0	149,341
Total current liabilities	943,431	1,183,083
Long-term debt, net	3,601,642	3,678,654
Deferred income taxes	1,649,120	1,650,575
Pension and other post-retirement benefits	362,608	364,819
Other liabilities	135,197	121,077
Total liabilities	6,691,998	6,998,208
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; 134,651,312 and 134,651,380 shares issued at March 31, 2017 and December 31, 2016, respectively	1,347	1,347
Common stock, held in treasury, at cost; 5,608,312 and 5,726,377 shares at March 31, 2017 and December 31, 2016, respectively	(316,396)	(319,339)
Additional paid-in capital	552,061	550,641
Retained earnings	3,525,820	3,412,286
Accumulated other comprehensive loss	(103,636)	(121,306)
Total Westlake Chemical Corporation stockholders' equity	3,659,196	3,523,629
Noncontrolling interests	373,636	368,416
Total equity	4,032,832	3,892,045
Total liabilities and equity	$ 10,724,830	$ 10,890,253