Disposition of Business (Details) - USD ($) $ in Thousands			6 Months Ended
		May. 18, 2015	Jun. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill derecognized related to disposition of business			$ (1,153)
RLC [Member] | Disposal group, disposed of by sale, not discontinued operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross cash proceeds from disposition of business		$ 400
Goodwill derecognized related to disposition of business			1,400
Loss on disposition of business		$ 2,000
IBU [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill derecognized related to disposition of business	[1]		$ (1,153)

[1] See Note 17 to these consolidated financial statements for a summary of the disposition.