Other Assets	6 Months Ended
Jun. 30, 2015
Other Assets [Abstract]
Other Assets	Other Assets Amortization expense on intangible and other assets of $9,578 and $9,008 is included in the consolidated statements of operations for the three months ended June 30, 2015 and 2014, respectively. Amortization expense on intangible and other assets of $19,062 and $17,284 is included in the consolidated statements of operations for the six months ended June 30, 2015 and 2014, respectively. Goodwill Goodwill for the Olefins segment was $29,990 at June 30, 2015 and December 31, 2014. Goodwill for the Vinyls segment was $32,026 at June 30, 2015 and December 31, 2014. There were no changes in the carrying amount of goodwill by operating segments for the six months ended June 30, 2015.

Other Assets

Amortization expense on intangible and other assets of $9,578 and $9,008 is included in the consolidated statements of operations for the three months ended June 30, 2015 and 2014, respectively. Amortization expense on intangible and other assets of $19,062 and $17,284 is included in the consolidated statements of operations for the six months ended June 30, 2015 and 2014, respectively.

Goodwill

Goodwill for the Olefins segment was $29,990 at June 30, 2015 and December 31, 2014. Goodwill for the Vinyls segment was $32,026 at June 30, 2015 and December 31, 2014. There were no changes in the carrying amount of goodwill by operating segments for the six months ended June 30, 2015.