Goodwill and Other Intangible Assets (Amortizable Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 97,398	$ 95,237
Accumulated Amortization	(32,808)	(25,537)
Net	64,590	69,700
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,075	2,038
Accumulated Amortization	(1,368)	(1,018)
Net	707	1,020
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	62,490	61,075
Accumulated Amortization	(20,205)	(15,922)
Net	42,285	45,153
Trademarks and other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	32,833	32,124
Accumulated Amortization	(11,235)	(8,597)
Net	$ 21,598	$ 23,527