Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 678,233	$ 459,453
Accounts receivable, net	1,142,979	938,743
Inventories	834,835	801,100
Prepaid expenses and other current assets	34,860	48,493
Restricted cash	8,626	160,527
Total current assets	2,699,533	2,408,316
Property, plant and equipment, net	6,343,637	6,420,062
Other assets, net
Goodwill	1,011,342	946,553
Customer relationships, net	635,884	611,615
Other intangible assets, net	166,166	175,839
Deferred charges and other assets, net	387,563	327,868
Total other assets, net	2,200,955	2,061,875
Total assets	11,244,125	10,890,253
Current liabilities
Accounts payable	560,804	496,259
Accrued liabilities	609,472	537,483
Term loan	0	149,341
Total current liabilities	1,170,276	1,183,083
Long-term debt, net	3,349,402	3,678,654
Deferred income taxes	1,660,914	1,650,575
Pension and other post-retirement benefits	367,705	364,819
Other liabilities	144,329	121,077
Total liabilities	6,692,626	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; 134,651,380 and 134,651,380 shares issued at September 30, 2017 and December 31, 2016, respectively	1,347	1,347
Common stock, held in treasury, at cost; 5,551,693 and 5,726,377 shares at September 30, 2017 and December 31, 2016, respectively	(314,694)	(319,339)
Additional paid-in capital	558,423	550,641
Retained earnings	3,837,644	3,412,286
Accumulated other comprehensive loss	(13,946)	(121,306)
Total Westlake Chemical Corporation stockholders' equity	4,068,774	3,523,629
Noncontrolling interests	482,725	368,416
Total equity	4,551,499	3,892,045
Total liabilities and equity	$ 11,244,125	$ 10,890,253