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Intangible Asset and Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 116,899
Additions to Goodwill	0
Impairment Charge of Goodwill	0
Ending Balance	116,899
MID Segment
Goodwill [Roll Forward]
Beginning Balance	19,905
Additions to Goodwill	0
Impairment Charge of Goodwill	0
Ending Balance	19,905
CRD Segment
Goodwill [Roll Forward]
Beginning Balance	96,994
Additions to Goodwill	0
Impairment Charge of Goodwill	0
Ending Balance	96,994
Other
Goodwill [Roll Forward]
Ending Balance	$ 0

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267



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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



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-SubTopic 20



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-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266



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-Publisher FASB



-Name Accounting Standards Codification



-Topic 230



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