Other Assets (Tables)

3 Months Ended

Mar. 31, 2017

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The gross carrying amounts of goodwill and the changes in the carrying amount of goodwill for the three months ended March 31, 2017 were as follows:

	Olefins Segment		Vinyls Segment		Total
Balance at December 31, 2016	$	29,990	$	916,563	$	946,553
Goodwill acquired during the period	—		—		—
Effects of changes in foreign exchange rates	—		4,128		4,128
Balance at March 31, 2017	$	29,990	$	920,691	$	950,681