Segments - Additional Information (Details) - Segment	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information [Line Items]
Number of reportable segments	3
Armand Products Company
Segment Reporting Information [Line Items]
Percentage of ownership interest	50.00%	50.00%
ArmaKleen Company
Segment Reporting Information [Line Items]
Percentage of ownership interest	50.00%	50.00%
Natronx Technologies LLC
Segment Reporting Information [Line Items]
Percentage of ownership interest	33.33%	33.33%