Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2014

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

Charges from related parties in cost of sales were as follows:

	Year Ended December 31,
	2014		2013		2012
			Predecessor		Predecessor
Feedstock purchased from Westlake and included in cost of sales	$	155,232	$	—	$	—
Other charges from Westlake and included in cost of sales	60,264		61,770		57,454
Total	$	215,496	$	61,770	$	57,454

Sales to related parties were as follows:

	Year Ended December 31,
	2014		2013		2012
			Predecessor		Predecessor
Net sales—Westlake	$	1,292,089	$	1,603,043	$	1,507,501

The related party accounts receivable and accounts payable balances were as follows:

	December 31,
	2014		2013
			Predecessor
Accounts receivable, net—Westlake	$	18,529	$	—
Accounts payable—Westlake	7,470		—

Charges from related parties for goods and services capitalized as assets were as follows:

	Year Ended December 31,
	2014		2013		2012
			Predecessor		Predecessor
Goods and services purchased from Westlake and capitalized as assets	$	5,823	$	20,222	$	8,902

Charges from related parties included within selling, general and administrative expenses were as follows:

	Year Ended December 31,
	2014		2013		2012
			Predecessor		Predecessor
Services received from Westlake and included in selling,    general and administrative expenses	$	21,302	$	24,054	$	22,485

Debt payable to related parties was as follows:

	December 31,
	2014		2013
			Predecessor
Long-term debt payable to Westlake	$	227,638	$	252,973