Goodwill and Definite and Indefinite-lived Intangible Assets - Definite and Indefinite Lived Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Finite-lived intangible assets	$ 73,856	$ 58,259
Less accumulated amortization	(15,788)	(14,902)
Total net	58,068	43,357
Total Intangible Assets	63,568	48,857
Trade names and trademarks
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Indefinite-lived intangible assets	$ 5,500	5,500
Trade names and trademarks
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Estimated Useful Lives	25 years
Finite-lived intangible assets	$ 32,940	23,938
Customer and dealer relationships
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Finite-lived intangible assets	$ 34,354	32,260
Customer and dealer relationships | Minimum
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Estimated Useful Lives	10 years
Customer and dealer relationships | Maximum
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Estimated Useful Lives	14 years
Patents and drawings
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Finite-lived intangible assets	$ 6,562	$ 2,061
Patents and drawings | Minimum
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Estimated Useful Lives	3 years
Patents and drawings | Maximum
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by major class [Line Items]
Estimated Useful Lives	12 years