XML 42 R31.htm IDEA: XBRL DOCUMENT v3.7.0.1
Goodwill and Other Intangible Assets (Intangible Assets, Net) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount $ 58,870   $ 50,567
Accumulated Amortization 23,937   22,055
Net Carrying Amount 34,933   28,512
Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount 36,358   32,703
Accumulated Amortization 13,396   12,418
Net Carrying Amount $ 22,962   20,285
Customer Relationships [Member] | Minimum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 1 year 1 year  
Customer Relationships [Member] | Maximum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 10 years 10 years  
Trade Name [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount $ 2,808   2,636
Accumulated Amortization 2,564   2,462
Net Carrying Amount $ 244   174
Trade Name [Member] | Minimum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 1 year 6 months 1 year 6 months  
Trade Name [Member] | Maximum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 3 years 3 years  
Developed Technology [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount $ 19,704   15,228
Accumulated Amortization 7,977   7,175
Net Carrying Amount $ 11,727   $ 8,053
Developed Technology [Member] | Minimum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 4 years 4 years  
Developed Technology [Member] | Maximum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Estimated useful life 7 years 7 years