Assets and Liabilities Held for Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of Long-Lived Assets	$ 11,199	$ 0	$ 0
Impairment loss recorded on intangible assets	10,577
Impairment loss recorded on fixed assets	622
Assets
Total Assets Held for Sale	6,826	0
Liabilities
Total Liabilities Held for Sale	454	0
Property, Plant and Equipment, Net	$ 94,958	$ 86,543
Green Machines
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Relative size of the disposal group compared to the total company, in terms of revenue	2.00%
Impairment of Long-Lived Assets	$ 11,199
Impairment loss recorded on intangible assets	10,577
Impairment loss recorded on fixed assets	622
Assets
Accounts Receivable	1,715
Inventories	4,679
Prepaid Expenses	239
Property, Plant and Equipment, net	193
Total Assets Held for Sale	6,826
Liabilities
Employee Compensation and Benefits	338
Other Current Liabilities	116
Total Liabilities Held for Sale	$ 454