Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets, Gross [Abstract]
Finite-Lived Customer Lists, Gross	$ 33,589	$ 33,559
Finite-Lived Trademarks, Gross	6,837	6,838
Formulations And Product Technology	5,808	5,808
Other Finite-Lived Intangible Assets, Gross	5,544	5,544
Total	51,778	51,749
Finite Lived Intangible Assets Accumulated Amortization [Abstract]
Finite Lived Intangible Assets Accumulated Amortization Customer Lists	10,730	10,221
Finite Lived Intangible Assets Accumulated Amortization Trademarks	3,366	3,202
Finite Lived Intangible Assets Accumulated Amortization Formulations	3,756	3,709
Finite Lived Intangible Assets Accumulated Amortization Other	4,554	4,445
Total	22,406	21,577
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
For the year ended December 31, 2014	3,252
For the year ended December 31, 2015	3,252
For the year ended December 31, 2016	2,778
For the year ended December 31, 2017	2,119
For the year ended December 31, 2018	2,095
For the year ended December 31, 2019	2,095
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Indefinite-Lived Trademarks	$ 1,100	$ 1,100