Segment Data (Details Textual) $ in Thousands	3 Months Ended	6 Months Ended		18 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2016 USD ($) employee	Jun. 30, 2015 USD ($) employee	Jun. 30, 2016 USD ($) employee	Dec. 31, 2015 USD ($)
Revenue, Major Customer [Line Items]
Supplemental unemployment benefits, severance benefits	$ 1,100	$ 1,100		$ 1,100	$ 3,300
Asset impairment charges		$ 8,617	$ 0
Customer concentration risk | Sales revenue, net | Sonatrach
Revenue, Major Customer [Line Items]
Concentration risk, percentage		15.00%
Fluids systems
Revenue, Major Customer [Line Items]
Asset impairment charges	7,600
Composite mats | Mats and integrated services
Revenue, Major Customer [Line Items]
Reduction in depreciation expense	1,500	$ 3,100
North America
Revenue, Major Customer [Line Items]
Restructuring and related cost, number of positions eliminated | employee		177	343	613
Percentage of workforce reduction				47.00%
Asia Pacific | Fluids systems
Revenue, Major Customer [Line Items]
Asset impairment charges	6,900
Tangible asset impairment charges	3,800
Impairment of intangible assets, indefinite-lived (excluding goodwill)	3,100
United States | Cost of revenues | Fluids systems
Revenue, Major Customer [Line Items]
Inventory write-down	$ 600