Annual report pursuant to Section 13 and 15(d)

Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details)

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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 33,010 $ 33,062
Less accumulated amortization (13,594) (9,824)
Intangible assets, net $ 19,416 $ 23,238
Weighted average useful life 14 years 3 months 18 days 14 years 4 months 24 days
Customer Lists And Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 26,047 $ 26,166
Less accumulated amortization (10,710) (7,841)
Intangible assets, net $ 15,337 $ 18,325
Weighted average useful life 15 years 2 months 12 days 15 years 1 month 6 days
Product Technologies [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 4,753 $ 4,849
Less accumulated amortization (1,853) (1,203)
Intangible assets, net $ 2,900 $ 3,646
Weighted average useful life 11 years 10 months 24 days 12 years
Trade Names and Trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 1,263 $ 1,100
Less accumulated amortization (218) (62)
Intangible assets, net $ 1,045 $ 1,038
Weighted average useful life 9 years 4 months 24 days 10 years
Core Technologies [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 947 $ 947
Less accumulated amortization (813) (718)
Intangible assets, net $ 134 $ 229
Weighted average useful life 10 years 10 years