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Segment Information (Major Customers) (Narrative) (Details)	6 Months Ended
	Jun. 30, 2017
Segment Reporting Information
Number of customers included in five largest customer concentration disclosure	5
Revenue, net | Minimum
Segment Reporting Information
Concentration risk benchmark percentage	10.00%
Accounts Receivable | Minimum
Segment Reporting Information
Concentration risk benchmark percentage	10.00%

X

- Definition

Percentage threshold over which a concentration risk is deemed to exist necessitating disclosure.

+ References

No definition available.

+ Details

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- Definition

Additional information about the entity or its reportable segments that may contribute to an understanding of the enterprise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6374474&loc=d3e8352-108598

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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