Annual report pursuant to Section 13 and 15(d)

Acquisition (Schedule Of Intangible Assets Other Than Goodwill Acquired) (Details)

v3.20.4
Acquisition (Schedule Of Intangible Assets Other Than Goodwill Acquired) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Schedule Of Intangible Assets Other Than Goodwill [Line Items]  
Intangibles subject to amortization $ 7,500
Intangibles subject to amortization, Weighted Average Useful Life 10 years
Intangibles not subject to amortization $ 5,600
Intangibles acquired 13,100
Trade Names and Trademarks [Member]  
Schedule Of Intangible Assets Other Than Goodwill [Line Items]  
Intangibles not subject to amortization 5,600
Customer Lists And Relationships [Member]  
Schedule Of Intangible Assets Other Than Goodwill [Line Items]  
Intangibles subject to amortization $ 5,700
Intangibles subject to amortization, Weighted Average Useful Life 10 years
Product Technologies [Member]  
Schedule Of Intangible Assets Other Than Goodwill [Line Items]  
Intangibles subject to amortization $ 1,800
Intangibles subject to amortization, Weighted Average Useful Life 10 years