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Basis of Presentation - Reclassifications to Previously Reported Amounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of revenues - Services	$ 63,210	$ 51,683
Cost of revenues - Products	$ 18,747	22,269
As previously reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of revenues - Services		57,107
Cost of revenues - Products		16,845
Blackhawk adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of revenues - Services		(5,424)
Cost of revenues - Products		$ 5,424

X

- Definition

Total costs related to goods produced and sold during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(d))
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+ References

No definition available.

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