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Goodwill and Other Intangible Assets (Intangible Assets, Net) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 50,567 | $ 48,565
Accumulated Amortization | 22,055 | 17,039
Net Carrying Amount | 28,512 | 31,526
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 32,703 | 31,848
Accumulated Amortization | 12,418 | 9,054
Net Carrying Amount | $ 20,285 | $ 22,794
Customer Relationships [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated useful life (in years) | 1 year | 1 year
Customer Relationships [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated useful life (in years) | 10 years | 10 years
Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 2,636 | $ 2,909
Accumulated Amortization | 2,462 | 2,476
Net Carrying Amount | $ 174 | $ 433
Trade Names [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated useful life (in years) | 1 year 6 months | 1 year
Trade Names [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated useful life (in years) | 3 years | 3 years
Developed Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 15,228 | $ 13,808
Accumulated Amortization | 7,175 | 5,509
Net Carrying Amount | $ 8,053 | $ 8,299
Developed Technology [Member] | Minimum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated useful life (in years) | 4 years | 4 years
Developed Technology [Member] | Maximum [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated useful life (in years) | 7 years | 7 years

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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