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Intangible Asset and Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 116,899
Additions to Goodwill	94,249
Impairment Charge of Goodwill	0
Ending Balance	207,531
Goodwill, Translation Adjustments	(3,617)
MID Segment
Goodwill [Roll Forward]
Beginning Balance	19,905
Additions to Goodwill	47,346
Impairment Charge of Goodwill	0
Ending Balance	67,251
Goodwill, Translation Adjustments	0
RSD Segment
Goodwill [Roll Forward]
Beginning Balance	96,994
Additions to Goodwill	46,903
Impairment Charge of Goodwill	0
Ending Balance	140,280
Goodwill, Translation Adjustments	(3,617)
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
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 1
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits 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
-Subparagraph (f)
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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