Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization (Definite-lived)	$ 58,629	$ 43,502
Accumulated amortization	(29,852)	(27,924)
Net intangible assets subject to amortization	28,777	15,578
Intangible assets not subject to amortization
Intangible assets, net	34,198	17,656
Trade names
Intangible assets not subject to amortization
Intangible assets not subject to amortization (Indefinite-lived)	5,421	2,078
Patents and acquired technology
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization (Definite-lived)	19,504	9,067
Accumulated amortization	(4,718)	(4,103)
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization (Definite-lived)	25,690	20,941
Accumulated amortization	(11,727)	(10,399)
Trade names
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization (Definite-lived)	1,690	1,674
Accumulated amortization	(1,690)	(1,674)
Non-competition agreements
Finite-Lived Intangible Assets [Line Items]
Intangible assets subject to amortization (Definite-lived)	11,745	11,820
Accumulated amortization	$ (11,717)	$ (11,748)