Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	$ 186,344		$ 186,344		$ 203,531
Less accumulated depreciation and amortization, including accumulated amortization of capitalized leases	80,197		80,197		76,786
Total property, plant and equipment, net	106,147		106,147		126,745
Asset Impairment	6,946	$ 80,337	135,884	$ 80,337
Tubular and Energy Services [Member]
Property, Plant and Equipment [Line Items]
Asset Impairment			14,956
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	14,848		14,848		17,054
Improvements To Land And Leaseholds [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	17,626		17,626		16,590
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	33,917		33,917		39,366
Machinery And Equipment, Including Equipment Under Capitalized Leases [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	116,355		116,355		118,677
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment - gross	$ 3,598		$ 3,598		$ 11,844