Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	$ 34,211	$ 37,660
Finite-lived intangible assets, accumulated amortization	13,888	13,593
Total other intangible assets	36,971	40,420
Other intangible assets, net	23,083	26,827
Acquired Intangible Assets [Member]
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	34,211	35,736
Finite-lived intangible assets, accumulated amortization	13,888	13,097
Patents and technology
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	17,493	18,884
Finite-lived intangible assets, accumulated amortization	6,715	6,689
Customer lists
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	15,367	15,367
Finite-lived intangible assets, accumulated amortization	6,013	5,259
Trademarks and brand names
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	1,351	1,485
Finite-lived intangible assets, accumulated amortization	1,160	1,149
Deferred financing costs
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, cost	0	1,924
Finite-lived intangible assets, accumulated amortization	0	496
Trademarks and brand names
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 2,760	$ 2,760