Business, Basis of Presentation and Significant Accounting Policies (Discontinued Operations) (Narrative) (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]
Discontinued operations, net loss	$ 0	$ 6,452	$ 6,456
Globetec Business [Member] | Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operations, description	During the year ended December 31, 2013, the Company sold its interests in its Globetec business for nominal consideration and retained certain contingent assets and liabilities.
Discontinued operations, loss on disposal, before tax		9,600
Discontinued operations, revenue			18,000
Discontinued operations, net loss		6,500	6,500
Discontinued operations, losses on disposal and impairment charges, net of tax		$ 5,800	$ 4,400