Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets, Gross [Abstract]
Finite-Lived Customer Lists, Gross	$ 62,582	$ 63,502
Finite-Lived Trademarks, Gross	18,546	18,944
Formulations And Product Technology	5,808	5,808
Other Finite-Lived Intangible Assets, Gross	6,628	6,647
Total	93,564	94,901
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	28,630	25,593
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
For the year ended December 31, 2015	6,494
For the year ended December 31, 2016	6,041
For the year ended December 31, 2017	5,605
For the year ended December 31, 2018	5,384
For the year ended December 31, 2019	5,306
For the year ended December 31, 2020	5,059
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Indefinite-Lived Trademarks	1,100	1,100
Customer Lists [Member]
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	14,540	12,681
Trademarks [Member]
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	4,830	4,066
Formulations And Product Technology [Member]
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	3,989	3,896
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	$ 5,271	$ 4,950