Trademarks and Other Intangibles (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Finite and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Total	$ 112,921	$ 112,921
Accumulated Amortization	3,367	2,801
Net Carrying Amount, Total	$ 109,554	$ 110,120
Non-compete agreement [Member]
Finite and Indefinite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period (Years)	7 years	7 years
Gross Carrying Amount (definite-lived)	$ 561	$ 561
Accumulated Amortization	281	240
Net Carrying Amount	$ 280	$ 321
Copyrights and other intellectual property [Member]
Finite and Indefinite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period (Years)	10 years	10 years
Gross Carrying Amount (definite-lived)	$ 190	$ 190
Accumulated Amortization	81	71
Net Carrying Amount	$ 109	$ 119
Trademarks [Member]
Finite and Indefinite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period (Years)	15 years	15 years
Gross Carrying Amount (indefinite-lived)	$ 96,707	$ 96,707
Gross Carrying Amount (definite-lived)	15,463	15,463
Accumulated Amortization	3,005	2,490
Net Carrying Amount	12,458	12,973
Net Carrying Amount, Total	$ 96,707	$ 96,707