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Customer Claim Losses	12 Months Ended
Customer Claim Losses	Dec. 31, 2016
Commitments And Contingencies Disclosure [Abstract]
Customer Claim Losses	23. Customer Claim Losses In the fourth quarter of 2016, the Company reached negotiated settlements for two customer claims which alleged that product manufactured by the Company caused performance problems with the customers’ products. The combined amount of the negotiated settlements was $7,367,000, which was recorded as a reduction of net sales in the year ended December 31, 2016. Both claims related to the Company’s Surfactant segment. The Company is in discussions with its insurance carriers to determine whether these losses are covered under the Company’s insurance policies. No expected benefits from insurance recovery were recorded for these incidents in 2016.